A Druid está em busca de um **Desenvolvedor Front End | React** para integrar nossa equipe de druidas. **Responsabilidades**

*   Atuar no desenvolvimento de interfaces web utilizando React;
*   Trabalhar com React, Material UI e Styled Components, consumindo APIs REST, seguindo padrões de UI e código já definidos.

**Requisitos**

*   Sólida experiência com React funcional: hooks useState, useEffect, useMemo, useCallback;
*   Experiência com JavaScript moderno (ES6+): arrays, objetos, destructuring, spread, async/await;
*   Conhecimento de Material UI e Styled Components;
*   Desejável conhecimento de TypeScript: tipagem de props, interfaces simples;
*   Noções de CSS: Flexbox, Grid, responsividade;
*   Noções de consumo de APIs REST, Git e fluxo de pull request;
*   Noções de ambiente cloud AWS e deploy são um diferencial.

Benefícios

*   Trabalho 100% remoto;
*   Work Anywhere;
*   Parceria Clude Saúde, Total Pass e Open English;
*   Oportunidades iguais de trabalho;
*   Programa de aceleração e bonificação para certificações técnicas;
*   Comunidades técnicas para troca de conhecimento.

Desenvolvedor Front End | React

Bright Vision Technologies is a forward-thinking software development company dedicated to building innovative solutions that help businesses automate and optimize their operations. We leverage cutting-edge technologies to create scalable, secure, and user-friendly mobile applications. As we continue to grow, we’re looking for a skilled **Mobile Application Developer** to join our dynamic team and contribute to our mission of transforming business processes through technology. This is a fantastic opportunity to join an established and well-respected organization offering tremendous career growth potential. We are looking for **OPT/CPT/H4 EAD/TN/E3 or any other Non-immigrant visa people** who are looking for an **H1B sponsorship for the year 2027 quota**. **Company:** Bright Vision Technologies ( www.bvteck.com ) **Job Title:** Mobile Application Developer **Job Location:** Bridgewater, New Jersey – 08807 **Onsite/Hybrid:** Remote **FULL-TIME ROLE WITH BRIGHT VISIONJob Description:Environment:** iOS (Swift, Objective-C), Android (Kotlin, Java), React Native, Flutter, Xamarin, Xcode, Android Studio, RESTful APIs, JSON, Git, Agile methodologies, UI/UX design principles, App Store & Google Play submission processes, Mobile analytics and crash reporting tools (Firebase, Crashlytics), Mobile testing frameworks (Appium, Espresso) **BUT STRICTLY NO C2C/1099/3RD PARTY COMPANIES. ALL OUR ROLES ARE W2 AND NO 3RD PARTY BROKERING PLEASE.** For every role, a **coding test is required**, so apply only if you are **confident and technically strong**. We prefer **at least 3 to 5 years real time experience**. If you are a **Mobile Application Developer** with the above skills and are looking for an **H-1 B sponsorship** this year, please send your resume immediately to **hilda@bvteck.com** We are committed to providing equal employment opportunities and fostering an inclusive work environment. We encourage applications from all qualified individuals regardless of race, ethnicity, religion, gender identity, sexual orientation, age, disability, or any other protected status. If you require accommodations during the recruitment process, please let us know. **Position offered by “No Fee agency.”** Equal Employment Opportunity (EEO) Statement Bright Vision Technologies (BV Teck) is committed to equal employment opportunity (EEO) for all employees and applicants without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, veteran status, or any other protected status as defined by applicable federal, state, or local laws. This commitment extends to all aspects of employment, including recruitment, hiring, training, compensation, promotion, transfer, leaves of absence, termination, layoffs, and recall. BV Teck expressly prohibits any form of workplace harassment or discrimination. Any improper interference with employees' ability to perform their job duties may result in disciplinary action up to and including termination of employment. Powered by JazzHR SbXcgphAsZ

Mobile Application Developer

**About You** We are looking for a frontend developer to join our dynamic and fast-paced team. You are a self-starter who takes initiative, requires little guidance, and thrives in a collaborative environment. You are passionate about building high-quality, user-centric web applications and are committed to writing clean, maintainable code. As an experienced professional with 5 years of experience or more, you are comfortable working with a global team and have excellent communication skills. Your fluency in English will be crucial for effective collaboration with our team. You are proactive in problem-solving and are always looking for ways to improve the product and the development process. **About The Role** In this full-time remote role, you will be a key contributor to the development of our Career Services Management system. This platform is being built for a large university in Singapore to help students and alumni with their career development. You will be reporting to our Singapore HQ while working closely with a team of developers based in Europe. This is an opportunity to make a significant impact on a product that will shape the future of career services for thousands of students. You will be involved in the entire product development lifecycle, from conception to deployment, in an agile environment. **Duties And Responsibilities Include**

*   Developing and maintaining user-facing features using Next.js, React, and TypeScript.
*   Translating design mockups and wireframes into high-quality, responsive web pages.
*   Collaborating with the product and design teams to define and implement new features.
*   Writing clean, reusable, and efficient code and libraries for future use.
*   Optimizing applications for maximum speed and scalability.
*   Integrating with backend services and APIs using Axios and managing state with Redux and redux-thunk.
*   Participating in code reviews to maintain code quality and share knowledge with the team.
*   Working with Firebase for backend-as-a-service functionalities.

**Skills And Attributes We Are Looking For**

*   5 years or more of experience.
*   Proven experience as a Frontend Developer with expertise in Next.js and React.
*   Strong proficiency in TypeScript.
*   Experience with state management libraries like Redux and redux-thunk.
*   Proficiency in styling with Tailwind CSS.
*   Experience with RESTful APIs and libraries like Axios.
*   Familiarity with Firebase services.
*   Excellent written and verbal communication skills in English. Proficiency in Ukrainian is considered a strong bonus for this role.
*   Ability to work independently and as part of a distributed team. Ideally, you are located within the GMT+0 to GMT+8 time zones to ensure optimal overlap with our Singapore and European teams.

**How To Apply**

*   To apply for this position, please attach your resume and a link to your portfolio and/or GitHub profile.
*   Note that applications without a portfolio or GitHub will not be considered.

We look forward to reviewing your application.

Frontend Developer for University Career Services Platform

About the Role

**80% tech leadership + hands on, 20% people management**

PandaDoc is looking for a **Team Lead** to join our Application Platform track - Mobile Team, focusing on **mobile architecture and core UX foundations**. This is a **hands-on technical leadership role**, where you’ll guide the team, shape the mobile architecture, and contribute directly to building the PandaDoc mobile apps

You will lead a team of talented engineers, set technical direction, and ensure the delivery of high-quality, scalable solutions. You will also mentor engineers, help define career paths, and create an environment where your team can thrive while delivering impactful work.

As a **Team Lead for Mobile team**, you will balance **technical ownership** and **team leadership**, making key architectural decisions while ensuring the team delivers efficiently and reliably.

What You’ll Do

**Technical Leadership & Execution**

*   Own and evolve the architecture of PandaDoc’s mobile applications across  different platforms (**iOS, Android) on React Native**
*   Drive technical decisions and set standards for code quality, testing, performance, and cross-team integrations.
*   Develop shared infrastructure, libraries, and components to be used across multiple teams.
*   Improve developer experience, tooling, workflows, and CI/CD pipelines for mobile development.
*   Collaborate with product managers, designers, and other engineering leads to translate product strategy into actionable engineering roadmaps.
*   Balance tech debt and new feature development while maintaining high reliability and performance.

**Team Leadership & Growth**

*   Lead and mentor a team of engineers, providing guidance on career growth, skill development, and technical challenges.
*   Establish effective processes for team delivery, collaboration, and knowledge sharing.
*   Set ambitious goals and help your team achieve them.
*   Recruit, onboard, and retain top mobile engineering talent.

**Cross-Functional Collaboration**

*   Work closely with track leadership to contribute to company- and track-wide initiatives.
*   Partner with product, design, and QA teams to ensure the mobile experience aligns with PandaDoc’s strategy and customer needs.
*   Drive continuous improvement across mobile engineering practices, ensuring efficiency and predictability.

About You

*   8+ years of engineering experience, with significant experience in **mobile development** and hands-on coding.
*   Proven experience leading mobile architecture and cross-platform solutions (React Native, iOS, Android).
*   Strong knowledge of **React, TypeScript, modern JavaScript**, and mobile development best practices.
*   Experience building **shared libraries, UI components, navigation frameworks, or developer tooling**.
*   Previously contributed to **delivery processes** and improving engineering efficiency.
*   Strong interpersonal and communication skills; able to influence and mentor engineers.
*   Experienced in working in a **product organization**, balancing business and technical priorities.
*   Self-starter who thrives in a **fast-changing environment** and is customer- and product-focused.
*   Hands-on problem solver who can balance technical execution with team leadership responsibilities.

Why PandaDoc

PandaDoc empowers over **50,000 organizations** to streamline document workflows and accelerate growth. Our mobile applications are a key part of our platform, enabling customers to create, manage, and sign documents seamlessly.

**Our Culture:**

*   Remote-friendly, distributed worldwide
*   Emphasis on **work-life balance**, integrity, and transparency
*   Creative team bonding and a collaborative, inclusive environment

**Benefits:**

*   Competitive salary and benefits
*   6 self-care days
*   Professional growth and development opportunities
*   Flexible work location

**PandaDoc is an Equal Opportunity Employer.** We are committed to equal treatment of all employees without regard to race, national origin, religion, gender, age, sexual orientation, veteran status, physical or mental disability, or other basis protected by law.

EXTERNAL RECRUITERS

**Approval Requirement**

The use of external recruiters/staffing agencies requires prior approval from our HR Team. The HR Team at PandaDoc requests that external recruiters/staffing agencies not contact PandaDoc employees directly in an attempt to present candidates. Complying with this request will be a factor in determining future professional relationships with PandaDoc.

Mobile Team Lead (stack: React Native, React, JS, TS)

Join the DataAnnotation team and contribute to developing cutting-edge AI systems, while enjoying the flexibility of remote work and setting your own schedule. We are looking for proficient programmers to help advance AI development. As a member of DataAnnotation’s coding team, you’ll be part of a growing community of over 100,000 professionals — including front-end, back-end, full-stack, machine learning, and other engineers — who are driving real-world impact in AI development. Our platform offers an engaging blend of flexibility and challenge: you’ll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging coding problems, building beautiful apps with rich functionality, and synthesizing insights through data analysis and visualization. Your work directly contributes to refining intelligent systems that learn, adapt, and evolve. Some team members fit this work alongside a full-time role, while others treat it as their primary focus, choosing projects and schedules that align with their availability and goals. To get started, once you sign up for an account, you'll take a short assessment (this serves as our version of an interview). If you pass that assessment, you’ll receive an email confirmation, and paid work will become available to you through our platform. **Benefits**

*   Fully remote: work from anywhere in the US, Canada, UK, Ireland, Australia, and New Zealand.
*   Flexible schedule: choose which projects you take on and when you work.
*   Competitive pay: projects are paid hourly, starting at $50+ USD per hour. Opportunities for higher-paying projects are available with strong performance.
*   Impact: help shape the future of AI technologies.

**Responsibilities**

*   Design and solve diverse coding problems used to train AI systems with an emphasis on Android development.
*   Write clear, high-quality code snippets and detailed explanations.
*   Evaluate AI-generated code for accuracy, performance, and clarity.
*   Provide feedback that directly shapes the next generation of AI models.

**Qualifications**

*   Fluency in English (native or bilingual level).
*   Preferred experience in Kotlin.
*   Proficiency in at least one of the following programming languages or frameworks: JavaScript, TypeScript, Python, C, C#, C++, React, Go, Java, or Swift.
*   Excellent writing and grammar skills.
*   A bachelor’s degree (completed or in progress).
*   Previous experience as a Software Developer, Coder, Software Engineer, or Programmer is preferred.

**Notes** Payment is made via PayPal. We will never ask for any money from you. PayPal will handle any currency conversions from USD. This job is only available to those in the US, Canada, UK, Ireland, Australia, and New Zealand. Those located outside of these countries will not see work or assessments available on our site at this time. #coder

Mobile Software Engineer

Job Description

Embark on your career as a JavaScript Developer at Codevista, a fully remote position ideal for entry-level professionals in France. Work from anywhere while building interactive web applications using core JavaScript technologies. Collaborate with a global team through modern tools, enjoying the flexibility of remote work to balance life and professional growth. Gain hands-on experience in dynamic projects that enhance your foundational skills and prepare you for future opportunities in web development.

As an entry-level JavaScript Developer at Codevista, you'll join a forward-thinking team dedicated to creating innovative web solutions. This remote role allows you to contribute to exciting projects from the comfort of your home or any location in France or beyond, fostering a healthy work-life balance. Our company values flexibility, enabling you to manage your schedule while meeting project milestones through asynchronous communication and regular check-ins.

Your primary responsibilities will include writing clean, maintainable JavaScript code for front-end web applications. You'll assist in developing user interfaces using HTML, CSS, and vanilla JavaScript, with opportunities to explore modern frameworks like React or Vue.js as you gain confidence. Daily tasks may involve debugging code, implementing small features, and ensuring cross-browser compatibility. You'll collaborate with senior developers via tools like Slack for quick discussions, Zoom for virtual stand-ups, and Git for version control, learning best practices in a supportive environment.

In this entry-level position, we focus on building your foundational skills. Expect to work on real-world applications, such as e-commerce platforms or internal tools, where you'll handle tasks like DOM manipulation, event handling, and basic API integrations. We emphasize agile methodologies, with bi-weekly sprints and retrospectives conducted remotely to keep the team aligned. Time zone considerations are minimal within Europe, but we promote tools like Jira for task tracking and Notion for documentation to streamline remote workflows.

Codevista provides comprehensive onboarding, including tutorials on our tech stack and remote collaboration etiquette. You'll have access to online learning platforms like freeCodeCamp or Udemy courses to upskill in JavaScript ES6+ features, asynchronous programming, and testing with Jest. Our culture encourages questions and experimentation, with pair programming sessions via screen-sharing tools to accelerate your learning curve.

Remote work at Codevista means no commute, reduced overhead, and the freedom to set up an ergonomic workspace. We use secure VPNs for access to our cloud-based development environments, ensuring data safety. Regular feedback loops and performance reviews will help you progress, potentially leading to mid-level roles. Join us to kickstart your development journey in a company that prioritizes innovation, diversity, and employee well-being in the tech industry.

Requirements

*   Basic proficiency in JavaScript, HTML, and CSS
*   Familiarity with Git for version control
*   Strong self-motivation and excellent time management skills for independent remote work
*   Willingness to learn modern web development tools and frameworks
*   Good communication skills for virtual collaboration via tools like Slack and Zoom
*   A portfolio of personal projects or academic work demonstrating foundational coding abilities
*   Comfortable working asynchronously in a distributed team environment

Javascript Developer

**The Opportunity** Since 2005, MDCalc has been an essential part of clinicians’ practice. Often introduced during medical school or residency, MDCalc has become one of the most trusted and used clinical decision support platforms; used by more than 65% of physicians worldwide. Trust, authority, and accuracy fuel a portfolio of over 800 tools, scores, calculators, and assessments that clinicians of over 50 specialties rely on to help them achieve better outcomes for over 200 patient conditions. This wide use and integration within the clinical workflow has established MDCalc as a preeminent HCP platform and a fixed resource at the point of clinical decision-making. To continue to further accelerate and steward this growth, we are seeking a Mid Level Full Stack Developer on our expanding tech team. This role will be critical to MDCalc’s expanded success in continuing to support our millions of clinical users worldwide in taking care of hundreds of millions of patients. **The Role**

*   Contribute as an integral member of the development team, helping deliver high-quality software products.
*   Take ownership of your work and see projects through to completion.
*   Collaborate closely with both technical and non-technical teammates to ensure timely delivery of features and fixes.
*   Participate in architecture and design discussions, offering input that supports system scalability and performance.
*   Follow and promote software engineering best practices including code reviews, testing, documentation, and adherence to code quality standards.

**Your Background**

*   Bachelor's degree in Computer Science, Engineering, or a related field (or equivalent practical experience).
*   Proficiency in React, React Native, NextJS, Express, and Postgres with experience building scalable, distributed systems and web applications.
*   Experience with the following:

*   Consumer/Public Websites, Mobile Applications, Amazon AWS
*   Terraform, Go, Docker, and BitBucket

*   Strong communication and collaboration skills with the ability to work effectively across teams and dive into the details when needed.
*   Solid understanding of software engineering principles and system architecture concepts, with the ability to contribute to refining product specs and tickets.
*   Curiosity and willingness to grow within the role.
*   Knowledge of the healthcare industry and prior experience working in health tech is a plus.

**What MDCalc Offers**

*   Ability to make a true difference in medicine: MDCalc is the most broadly used medical reference by physicians, used by over 65% of US attending doctors weekly
*   Medical, Dental, & Vision Coverage, with option to extend to your dependents
*   Company-sponsored short-term insurance
*   Fully-paid 8 week parental leave, after 6 months of employment
*   Company-sponsored 401k, after 3 months of employment
*   Unlimited vacation for salaried roles - we trust you to take the time you need
*   Bi-annual company offsites to connect, reflect, and plan together (most recently in Asheville and Mexico City)
*   Work from home monthly stipend
*   A culture of fun and motivated team members who believe in a greater mission here at MDCalc

Mid Level Full Stack Engineer

**Who We Are Is What We Do.** Deel is the all-in-one payroll and HR platform for global teams. Our vision is to unlock global opportunity for every person, team, and business. Built for the way the world works today, Deel combines HRIS, payroll, compliance, benefits, performance, and equipment management into one seamless platform. With AI-powered tools and a fully owned payroll infrastructure, Deel supports every worker type in 150+ countries—helping businesses scale smarter, faster, and more compliantly. Among the largest globally distributed companies in the world, our team of 7,000 spans more than 100 countries, speaks 74 languages, and brings a connected and dynamic culture that drives continuous learning and innovation for our customers. **Why should you be part of our success story?** As the fastest-growing Software as a Service (SaaS) company in history, Deel is transforming how global talent connects with world-class companies – breaking down borders that have traditionally limited both hiring and career opportunities. We're not just building software; we're creating the infrastructure for the future of work, enabling a more diverse and inclusive global economy. In 2024 alone, we paid $11.2 billion to workers in nearly 100 currencies and provided healthcare and benefits to workers in 109 countries—ensuring people get paid and protected, no matter where they are. Our momentum is reflected in our achievements and customer satisfaction: CNBC Disruptor 50, Forbes Cloud 100, Deloitte Fast 500, and repeated recognition on Y Combinator’s top companies list – all while maintaining a 4.83 average rating from 15,000 reviews across G2, Trustpilot, Captera, Apple and Google. Your experience at Deel will be a career accelerator. At the forefront of the global work revolution, you'll tackle complex challenges that impact millions of people's working lives. With our momentum—backed by a $17.3 billion valuation and $1 B in Annual Recurring Revenue (ARR) in just over five years—you'll drive meaningful impact while building expertise that makes you a sought-after leader in the transformation of global work. **Get ready to:**

*   Be a part of a truly cross-functional team; Backend Engineers, Frontend Engineers, Product Teams, Designers and QA’s.
*   Participate in product planning (From discovery all the way to deployment); We want your input at all stages of the Software Development Lifecycle!
*   Collaborate! Our teams work together to develop robust new features, API’s, continuously improve our industry-leading products and find and fix any bugs at DeelSpeed.
*   Ensure our customers receive a white-glove experience with our products!
*   Fully own the development of features on the client, server, service, and database

**The bits and bytes that you’ll bring to your new team:**

*   You will develop high-quality, responsive web applications using TypeScript, Javascript, React, Express. Experience with NestJS, Vite, and Next.js is a plus.
*   You will design and implement server-side APIs, data models, and business logic using mainly Express framework
*   You will create client-side function-based React components, hooks, stories, and tests to interact with your server-side work
*   You will create and optimize database schemas, queries, and interactions with Postgres.
*   You will build reusable and modular components on both the front and back end that promote code reusability, maintainability, and scalability.
*   You will perform thorough testing, debugging, and troubleshooting of applications to ensure high-quality deliverables.
*   You will stay updated with emerging web development trends, frameworks, and best practices, and recommend improvements to enhance development processes.
*   You will participate in code reviews and provide constructive feedback to team members to maintain code quality standards.
*   You will communicate project progress, challenges, and solutions effectively to team members and stakeholders.
*   Contribute to the continuous improvement of development processes, methodologies, and tools. You're the Engineer we're looking for if you:
*   At least 4 years of Full-Stack experience, with a focus on TypeScript development.
*   Expert in the art of designing, coding, testing, and maintaining applications using the tech listed above.
*   Thrive in a collaborative, remote-first work culture where teamwork and camaraderie are key.
*   Embrace independence and take ownership of your projects, yet also excel in a team setting and love to contribute.
*   Communicate complex ideas with ease and enjoy collaborating with diverse teams of technical and non-technical stakeholders.
*   Are passionate about solving customer problems with your coding superpowers, and are a natural at troubleshooting issues.
*   Take a business-focused approach to software development, with a keen eye on delivering high-value outcomes for our clients.
*   Obsess over details, and always keep the customer experience top of mind.

**Extra brownie points if you:**

*   Have experience with SaaS products running 24/7 on a major cloud vendor.
*   Solid understanding of RESTful APIs, microservices architecture, and asynchronous programming.
*   Experience with testing frameworks (Jest, Mocha, Chai, Storybook, React Testing Library) and automated testing methodologies (Cypress).
*   Knowledge of containerization technologies (Docker, Kubernetes)

**Total Rewards** Our workforce deserves fair and competitive pay that meets them where they are. With scalable benefits, rewards, and perks, our total rewards programs reflect our commitment to inclusivity and access for all. **Some things you’ll enjoy**

*   Stock grant opportunities dependent on your role, employment status and location
*   Additional perks and benefits based on your employment status and country
*   The flexibility of remote work, including optional WeWork access

At Deel, we’re an equal-opportunity employer that values diversity and positively encourage applications from suitably qualified and eligible candidates regardless of race, religion, sex, national origin, gender, sexual orientation, age, marital status, veteran status, disability status, pregnancy or maternity or other applicable legally protected characteristics. _Unless otherwise agreed, we will communicate with job applicants using Deel-specific emails, which include @__deel.com_ _and other acquired company emails like @__payspace.com_ _and @__paygroup.com__. You can view the most up-to-date job listings at Deel by visiting_ _our careers page__. Deel is an equal-opportunity employer and is committed to cultivating a diverse and inclusive workplace that reflects different abilities, backgrounds, beliefs, experiences, identities and perspectives. Deel will provide accommodations on request throughout the recruitment, selection and assessment process for applicants with disabilities. If you require accommodations, please inform our Talent Acquisition Team_ _via this link_ _and a team member will be in touch to ensure your equal participation. If you have difficulty accessing the form, please email at recruiting@deel.com._ We use Covey as part of our hiring and/or promotional processes. As part of the evaluation process, we provide Covey with job requirements and candidate-submitted applications. Certain features of the platform may qualify it as an Automated Employment Decision Tool (AEDT) under applicable regulations. For positions in New York City, our use of Covey complies with NYC Local Law 144. We began using Covey Scout for Inbound on March 30, 2025. For more information about our data protection practices, please visit our Privacy Policy. You can review the independent bias audit report covering our use of Covey here: https://getcovey.com/nyc-local-law-144

Full Stack Engineer

**Description** Keeper Security is hiring a Senior Software Engineer to help build and evolve KeeperChat, our secure messaging product. This is a 100% remote position, with an opportunity to work a hybrid schedule for candidates based in the El Dorado Hills, CA area. Keeper’s cybersecurity software is trusted by millions of people and thousands of organizations globally. Keeper is published in 23 languages and sold in over 150 countries. Join one of the fastest-growing cybersecurity companies and play a critical role in delivering secure, high-quality communication experiences across platforms. **About Keeper** Keeper Security is transforming cybersecurity for organizations globally with zero-trust privileged access management built with end-to-end encryption. Keeper’s cybersecurity solutions are FedRAMP and StateRAMP Authorized, SOC 2 compliant, FIPS 140-2 validated, as well as ISO 27001, 27017 and 27018 certified. Keeper deploys in minutes, not months, and seamlessly integrates with any tech stack to prevent breaches, reduce help desk costs and ensure compliance. Trusted by millions of individuals and thousands of organizations, Keeper is the leader for password, passkey and secrets management, privileged access, secure remote access and encrypted messaging. Learn how our zero-trust and zero-knowledge solutions defend against cyber threats at KeeperSecurity.com. **About The Job** As a Senior Software Engineer on the KeeperChat team, you will design and implement features across KeeperChat’s cross-platform client applications, spanning desktop, mobile, and web. You will work closely with product, design, and backend teams to translate user needs into secure, performant, and maintainable client-side solutions. This role focuses on client application development, performance optimization, and cross-platform consistency. **Responsibilities**

*   Design and implement new features for KeeperChat across desktop, mobile, and web platforms
*   Develop and maintain cross-platform applications using .NET / C#, including MAUI-based clients
*   Build and maintain web UI components using JavaScript and React where applicable
*   Optimize application performance, reliability, and user experience across Windows, macOS, iOS, and Android
*   Participate in code reviews and contribute to high standards of code quality and security
*   Collaborate closely with product managers and designers to translate requirements into technical solutions
*   Mentor junior engineers and contribute to a culture of technical excellence

**Requirements**

*   5+ years of professional software engineering experience
*   Strong experience with .NET / C# in client or application development
*   Experience building cross-platform applications (desktop and/or mobile)
*   Experience with JavaScript and React for web-based UI development
*   Strong understanding of software design patterns and principles
*   Experience optimizing performance in client-side or multi-platform applications
*   Strong debugging and problem-solving skills
*   Experience working in Agile development environments
*   Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience

**Preferred Qualifications**

*   Experience with .NET MAUI or similar cross-platform frameworks
*   Experience integrating native modules or platform-specific functionality
*   Background in secure or privacy-focused applications

**Benefits**

*   Medical, Dental & Vision (Inclusive of domestic partnerships)
*   Employer Paid Life Insurance & Employee/Spouse/Child Supplemental life
*   Voluntary Short/Long Term Disability Insurance
*   401K (Roth/Traditional)
*   A generous PTO plan that celebrates your commitment and seniority (including paid Bereavement/Jury Duty, etc)
*   Above-market annual bonuses

Keeper Security, Inc. is an equal opportunity employer and participant in the U.S. Federal E-Verify program. We celebrate diversity and are committed to creating an inclusive environment for all employees. Classification: Exempt **Keeper Candidate Privacy Notice** This notice explains how Keeper Security processes your personal data during recruitment. Depending on the role and location, the Controller of personal data (the organization responsible for determining why and how personal data is processed) will be Keeper Security Inc. (US), Keeper Security EMEA Ltd. (Ireland), or Keeper Security APAC K.K (Japan).

*   Data We Collect

**Information You Provide**

*   Contact details, CV/resume, cover letter
*   Employment history, qualifications, work eligibility
*   Application responses and uploaded documents

**Information We Generate**

*   Interview notes, assessments, communications
*   Scheduling information

**Information From Others**

*   Recruiter/referral information who submit your profile
*   References (with your consent, before final offer)
*   Public professional profiles
*   Background verification (post offer)

Voluntary Diversity and Equal Opportunity Information

*   We may ask you to voluntarily provide diversity information including race/ethnicity, gender, disability status and veteran status (US). Providing this information is optional and Keeper collects this data in order to comply with EEOC and similar requirements
*   How We Use Your Data
*   Assess your application and suitability
*   Manage interviews and recruitment workflow
*   Consider you for other/future roles (we may seek your consent to keep your information on our systems beyond the retention period specified)
*   Comply with employment law obligations
*   Legal Basis
*   Legitimate Interests (recruitment management, security and integrity of the hiring process)
*   Contracting steps (for progressed candidates)
*   Legal and regulatory compliance obligations; explicit consent where required
*   Who We Share Information With

**Internal**

*   HR, hiring managers, interviewers\*, IT support for system administration
*   Note - diversity and equal opportunity data is not shared with hiring managers.

**Third Parties** Service providers who assist with:

*   Applicant tracking, recruitment systems and assessment providers
*   Background verification vendors (post offer)
*   Recruitment agencies (where applicable)
*   Tools to support communication, collaboration and to securely store your data

Keeper ensures that all our third parties are contractually bound to protect your personal data with adequate safeguards in place.

*   International Transfers

Your data may be accessed by Keeper entities globally as needed for the purposes of hiring and decision making. We protect any such data transfer between Keeper entities using appropriate safeguards under applicable data protection laws.

*   Security

We implement appropriate technical and organizational measures to protect your data, consistent with our industry leading security standards.

*   Retention

We keep your data for 24 months from your last application activity, then delete or anonymize it. **Exceptions**

*   You opt into our talent database for further retention by providing consent (extended retention)
*   You're hired (transfers to employee records)
*   Your Rights

You have the following rights and can contact us at the email below to exercise them:

*   Access, correct, or delete your data, subject to applicable law and retention requirements
*   Object to or restrict processing
*   Withdraw consent (where applicable)
*   Request data portability
*   Lodge a complaint with your data protection authority

If you become an employee, your rights regarding your employee record are governed by our internal Employee Privacy Notice and certain data will be retained as required under relevant laws such as employment or tax law. When you request access to your personal data, some information may be redacted if it includes the personal data of other individuals or information that we must protect in order to preserve their privacy rights.

*   Automated Decisions

Keeper does not make hiring decisions using solely automated processing.

*   Contact - Candidates can send privacy questions to: privacy@keepersecurity.com

Senior Software Engineer, Cross-Platform Client (.NET MAUI / Xamarin)

Alt is unlocking the value of alternative assets, starting with the $5 B trading-card market. We let collectors buy, sell, vault, and finance their cards in one place and we are backed by leaders at Stripe, Coinbase, Seven Seven Six, and pro athletes like Tom Brady and Giannis Antetokounmpo. Our next frontier is real-time pricing at scale—the Alt Value that powers every trade, loan, and product on the platform. **About Alt** Alt is building the financial infrastructure for the modern collector powering payments, lending, pricing, and liquidity for alternative assets. Our flagship mobile app (4.9★ on iOS, 4.6 on Android) is the home for thousands of users to manage, value, and trade their collections in real time. As we scale globally, we’re expanding our engineering team with world-class builders who want to own meaningful product surfaces and shape the future of fintech + marketplaces. **The Role** We’re looking for a **Senior Fullstack Engineer, Frontend** with deep React Native expertise to become one of the most senior engineers on our mobile team. You’ll own our flagship mobile experience end-to-end and play a critical role in the architecture, scalability, and performance of the app. This is a high-impact, high-visibility role: your work directly affects the core product experience that drives Alt’s growth. We’re looking for someone who isn’t just focused on closing tickets, but is deeply customer obsessed- driven to create delightful experiences and deliver meaningful value for the collectors and hobbyist who rely on Alt. _This role is ideal for someone who wants to shape technical direction, mentor other engineers, and eventually grow into team leadership/management as we scale._ _You’ll also contribute to our React-based web application (roughly 70/30 frontend vs. backend, mobile-first)._ **What You’ll Do**

*   Own Alt’s flagship mobile application our most important user-facing product.
*   Lead the React Native platform across build systems, deployments (store and OTA), CI/CD, performance, reliability, and developer experience
*   Work across multiple product domains:Auctions, Search, Payments, Lending, Notifications, Authentication, Fixed Price Marketplace and more.
*   Build seamless, highly performant UIs that make a React Native app feel truly native.
*   Work with the native layers (iOS & Android), bridging JavaScript and native code where needed.
*   Partner closely with product, design, and business to influence what we build—not just how we build it.
*   Mentor, level up, and provide architectural guidance to other engineers.
*   Help us scale a global frontend/mobile team; grow into management over time if desired.
*   Contribute to backend systems as needed (Python/FastAPI/Postgres, 30% of role).

**What You’ll Need To Be Successful**

*   5-7 years of professional experience building production React Native apps at scale.
*   Experience shipping and maintaining ejected React Native applications.
*   Ability to work with native iOS/Android code (Kotlin, Java, Swift, and Objective C), JavaScript/TypeScript, and build high-quality bridges between them.
*   A strong product mindset: our engineers are highly product-focused and expected to have real influence.
*   Experience making React Native apps feel extremely polished, smooth, and native.
*   Background in fintech, marketplaces, gambling, hobby, or high-scale consumer mobile is a strong plus.
*   Motivation to tackle hard engineering challenges across performance, architecture, and mobile infrastructure.
*   Ability to work collaboratively in a fast-paced startup environment.

**What You’ll Get From Us**

*   A seat at the table to help shape the future of Alt and the alternative asset space
*   Autonomy and ownership on projects that matter
*   $100/month work-from-home stipend
*   $200/month wellness stipend
*   WeWork office stipend
*   401(k) retirement benefits
*   Flexible vacation policy
*   Generous paid parental leave
*   Competitive healthcare benefits, including HSA, for you and your dependent(s)

**Base salary range:** $140,000-$160,000, plus equity. Offers may vary based on experience, location, and other factors.

Senior Fullstack Engineer, Frontend

**About The Opportunity** We’re looking for a Senior Full Stack Engineer with deep experience designing and building scalable, high-performance systems using .NET (C#), ASP.NET Core, React, and cloud-native architectures. This role will play a key part in driving the technical direction for our modern eCommerce platform, helping to shape system architecture, streamline distributed workflows, and lead the development of robust, enterprise-grade solutions. In addition to core full-stack responsibilities, this role will contribute to integrating AI-enabled capabilities such as personalization, intelligent search, recommendations, and automation into customer-facing and internal applications. You’ll work closely with engineering, product, design, data, and platform teams to deliver highly responsive, secure, and maintainable applications. We’re seeking someone who can operate both strategically and hands-on — someone who enjoys rolling up their sleeves to solve hard problems while also influencing long-term platform decisions. **Responsibilities**

*   Lead the design and development of scalable full-stack applications using .NET / ASP.NET Core and React with TypeScript
*   Define system architecture patterns for distributed systems, ensuring resilience, scalability, and maintainability
*   Develop and optimize RESTful APIs, microservices, and integrations with Kafka, Solace, or Azure Event Hub
*   Integrate AI-powered capabilities such as personalization, recommendations, intelligent search, chat, or workflow automation using internal platforms or third-party AI/ML services
*   Collaborate with product managers, UX designers, data teams, and engineers to translate business requirements into technical solutions
*   Champion best practices in code quality, CI/CD, automated testing, security, and performance optimization
*   Guide junior engineers and promote a culture of technical excellence and continuous improvement
*   Participate in architecture reviews, system design discussions, and capacity planning

**Required Qualifications**

*   Strong experience with .NET (C#), ASP.NET Core, and React / TypeScript in production systems
*   Deep understanding of distributed systems, microservices architecture, and cloud-native patterns
*   Experience integrating AI/ML capabilities via APIs or platforms (e.g., recommendation engines, search relevance services, LLM-based APIs, or analytics models)
*   Hands-on experience with event-driven architectures and messaging systems
*   Strong knowledge of API design, security, identity management, and performance tuning
*   Experience with relational and NoSQL databases
*   Comfort working in Agile environments and collaborating across cross-functional teams
*   Ability to balance hands-on development with architectural decision-making

Desenvolvedor Front End | React

Job Description

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