**Company Description**

At iQberry, we help organizations unlock the full value of technology. We specialize in Digital Transformation, Technology Due Diligence, Software Engineering, and Strategic Technology Advisory, working with investors, mid-sized enterprises, and corporates to tackle complex tech challenges, modernize legacy systems, and drive digital transformation. Our services include Technology Due Diligence & Code Audits, System Architecture & Legacy Modernization, Data & AI-Driven Automation, and more. We provide deep technical insights and practical solutions that align technology with long-term business goals, helping businesses grow smarter, faster, and more securely.

**What You’ll Do**

*   Develop and maintain **end-to-end web applications** using **React (frontend)** and **.NET (backend)**.
*   Build clean, scalable APIs and services to support web and mobile solutions.
*   Collaborate with UI/UX designers to implement pixel-perfect, responsive interfaces.
*   Optimize application performance and ensure security best practices.
*   Work closely with product managers, architects, and QA to deliver solutions on time.

**What We’re Looking For**

*   **3–5+ years of professional experience** in software development.
*   Strong proficiency in **React, TypeScript, and modern JavaScript (ES6+)**.
*   Hands-on experience with **.NET Core / .NET 6+** for backend services and APIs.
*   Solid understanding of **RESTful APIs, GraphQL, or gRPC**.
*   Experience with **SQL and/or NoSQL databases** (e.g., SQL Server, PostgreSQL, MongoDB).
*   Familiarity with **CI/CD pipelines**, Git, and modern DevOps practices.
*   Exposure to **cloud platforms** (Azure, AWS, or GCP).
*   Strong **problem-solving skills** and ability to work in a fast-paced environment.

**Nice to Have**

*   Experience with **microservices architecture**.
*   Knowledge of **containerization (Docker, Kubernetes)**.
*   Familiarity with **automated testing frameworks** (Jest, xUnit, Cypress).
*   Background in **modernizing enterprise applications** or migration projects.

**Soft Skills**

*   Strong **communication skills** — able to explain technical solutions to both tech and business stakeholders.
*   Comfortable working in a **consultancy/client-facing environment**.
*   **Collaborative mindset** with a focus on delivering quality and value.
*   Self-organized, proactive, and comfortable in **remote or distributed teams**.

Full Stack Engineer (Poland or EU)

**About OnePay** OnePay is a consumer financial services app with an exceedingly simple mission: to help people achieve financial progress. Tens Of Millions Of Americans Today Are Unbanked Or Underbanked, Meaning They Don’t Have Enough Money In Savings To Cover a Minor Emergency. They Pay Too Much In Fees, Don’t Have Access To Credit At Affordable Rates, And Have Little Ability To Grow Their Wealth. OnePay’s Vision Is To Create a Single App For Consumers To Save, Spend, Borrow, And Grow Their Money, Bringing Our Mission To Life With Simple And Accessible Banking, Credit, And Payments Products That Deliver a Best-in-class Experience To Millions Of Customers. Our Products Include

*   Checking and high-yield savings accounts
*   Domestic and international peer-to-peer payments
*   Credit Builder and credit score monitoring
*   Digital wallet / contactless payment solutions
*   Buy-now-pay-later installment loans at Walmart

Why do we have a right to win? We have the backing of Walmart (a Fortune 1) and Ribbit Capital (a preeminent fintech investor), are deeply embedded with the distribution of the world’s largest omnichannel retailer, and have an industry-leading multi-product value proposition — all in addition to having some of the best people and talent in the industry. There’s never been a better time to build a category-defining business and there has rarely been a team better positioned for the opportunity. Join us! **The Role** As a Software Engineer On The Mobile Banking, Your Work Will Directly Impact How People Access, Move, And Manage Their Money. You Will

*   Design and deliver new features that scale with our growing customer base and help ensure a seamless mobile experience.
*   Collaborate closely with other engineers to ship high-quality code. We enjoy partnering on tough problems.
*   Create and maintain clear documentation — a must-have for a growing, remote organization.
*   Tackle complex challenges at scale, including sensitive financial data and real-time money movement.

You Bring

*   4+ years of professional experience shipping and scaling user-facing applications or backend services.
*   Experience working on mobile or frontend applications — ideally with React Native or similar frameworks.
*   Passion for your craft and care for the people you work with — you value quality across code, communication, and culture.
*   Drive and proactivity - everyone here is a builder and executor.

Tools We Use We use the fp-ts library for functional programming with Node/TypeScript running on top of Kubernetes and AWS. We believe great engineers can learn any stack, so you **do not need experience** with these specific tools, but you’ll ramp up more quickly if you are familiar with functional programming concepts. What We Offer

*   Competitive base salary, stock options, and health benefits from Day 1
*   401(k) plan with company match
*   Remote-friendly (US), flexible time off (FTO), and opportunities for growth
*   A high-growth, mission-driven, inclusive culture where your work has real impact

Standard Interview Process

*   Initial Interview with Talent Partner
*   Technical or Hiring Manager Interview
*   Team Interview
*   Executive Interview
*   Offer!

Equal Employment Opportunity To build technology and products that are used and loved by people and solve real-world problems, we need to build a team with many different perspectives and experiences. We are an equal opportunity employer. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. We encourage candidates from all backgrounds to apply. Applicants in need of special assistance or accommodation during the interview process or in accessing our website may contact us at talent@onepay.com.

Software Engineer, Mobile Banking

Hi! We are **Monterail** - a team of over **130+** experts working together to create meaningful software. **Discover your way at Monterail.** We are looking for a **Senior React Native Developer** to join our team and help us create innovative software as a freelancer. **Requirements**What you need:

*   Experience with React Native and React
*   Familiarity with GraphQL (Apollo) and/or RESTful APIs (TanStack)
*   TypeScript proficiency
*   Experienced with Android Studio and Xcode
*   App distribution (for Android and iOS) experience
*   Familiarity with state management patterns and solutions
*   Experience with testing methodologies (JS Unit tests, E2E tests)
*   React Native for Web experience
*   Professional knowledge of English (B2-C2)
*   Availability for part-time or full-time cooperation (B2B contract only)

**What do we mean by freelance?**

*   Read more at Monterail Tech Network

**Salary** 90 - 140 PLN/h + VAT (B2B contract only) for Poland

Senior React Native Developer - Freelancer

About Foxy

Foxy gives creators AI superpowers to make incredible social media content — so they can create more, grow faster, and earn more. We believe creators are the most undervalued entrepreneurs on the planet, and we’re here to change that.

We’re a small but mighty team of eight, moving at breakneck speed. In just 6 months, we’ve scaled from $0 → $2M ARR and are sprinting toward $10M+ ARR within our first year of monetization — putting us among the fastest-growing consumer startups on the planet.

We’re backed by top angels and in discussions with tier-1 VCs. This is your chance to join a rocket ship right before liftoff.

What You’ll Do

*   Architect and ship frontend systems for multi-step AI workflows
*   Build real-time, scalable interfaces with streaming, visualization, and progressive loading
*   Own frontend infrastructure: component libraries, design systems, and patterns that scale to millions
*   Ruthlessly optimize performance (Core Web Vitals, render speed, memory management)
*   Ensure bulletproof accessibility (WCAG 2.1 AA, screen readers, keyboard navigation)
*   Collaborate directly with founders, designers, and AI engineers to push the frontier

What We Offer

*   Top-of-market comp, equity, and benefits
*   High ownership and zero bureaucracy — define, build, and own outcomes
*   A breakout AI opportunity with massive upside
*   A world-class team of ambitious, low-ego builders

What We’re Looking ForMindset

*   Startup DNA: thrive in ambiguity, move fast, build from scratch
*   Systems thinker with an eye for scale and detail
*   Ownership mentality for the entire user journey

Skills (Must-Have)

*   6+ years building complex, user-facing apps
*   Expert in React, TypeScript, and advanced state management (Zustand or similar)
*   Deep performance engineering experience (profiling, Core Web Vitals, render optimization)
*   Accessibility at scale
*   Advanced testing (visual regression, accessibility, performance)

Nice-to-Have

*   Data visualization (D3.js, Canvas/WebGL)
*   Real-time systems (WebSockets, streaming APIs)
*   AI/ML interface experience

Our Stack

TypeScript, React, Next.js, Tailwind, Jest, Playwright, Storybook, Figma, WebSockets, Docker, CDN/edge optimization

Perfect Fit If You

*   Have built and scaled complex, stateful apps used by thousands
*   Can debug and optimize React performance in your sleep
*   Have strong, defensible opinions on frontend architecture
*   Want to help build a category-defining AI company

🔥 Join us and help redefine the next era of content

Frontend Engineer

**Descripción del puesto / Funciones**

*   Develop and maintain robust and efficient code for eCommerce platforms.
*   Collaborate with cross-functional teams to deliver solutions aligned with business needs.
*   Apply best practices in DevOps and agile development.
*   Ensure code quality, performance, and maintainability.
*   Support knowledge sharing and promote teamwork in a collaborative environment.

**Requisitos mínimos**

*   Strong knowledge of Java.
*   Experience with Spring Boot.
*   Strong communication skills.
*   Proven ability to work effectively in a team.
*   Experience working in large, matrix organizations.

**Requisitos valorables**

*   Previous experience in eCommerce projects.
*   Familiarity with Azure DevOps.

**Idiomas** English is a must **Ubicación** Remote **¿Quiénes somos?** Pasiona Consulting es una consultora tecnológica, partner de Microsoft, dedicada al diseño, desarrollo e implementación de aplicaciones de software a medida para clientes de múltiples sectores.

eCommerce Frontend Developer

At Bloq.it, we’ve created the world’s leading smart locker solution. Solving online deliveries by enabling everyone to participate easily, reducing delivery costs and making them more sustainable. We’re quickly expanding, and after growing at 1000% for three years in a row, we’re now the fastest-growing Smart Locker company in the world and one of the fastest growing scale-ups in Europe. We are in search of a **Frontend Engineer** to join our innovative team as our new **#bloqstar**. In this role, you'll play a crucial role in **developing and enhancing our frontend applications to deliver seamless user experiences to all our stakeholders.What You’ll Be Doing**

*   Participate in all stages of the development, and post-development, lifecycle;
*   Proactively provide creative, thorough, and practical solutions to a wide range of technical problems;
*   Design, write, and maintain code that is well organized, scalable, testable, and doesn’t generate new problems (most of the time);
*   Proactively identify issues, bottlenecks, gaps, or other areas of concern or opportunities and work to either directly affect change, or advocate for that change to be made;
*   Be self-motivated to learn and show strong initiative;
*   Contribute to an engineering-wide culture of healthy principles and practices, code quality, and shared responsibility for testing;
*   Contribute to refining our technical vision, ensuring alignment with business objectives and advocating for innovative solutions.

**What You’ll Bring To The Table**

*   Demonstrated hands-on experience with frontend development and engineering, particularly with modern frameworks like VueJs, Svelte, React.js or others;
*   Demonstrated experience with building responsive web-based applications and consuming APIs;
*   SOLID experience in writing clean code that works;
*   Experience with testing approaches, strategies, and implementation (at several levels);
*   Experience with continuous integration, deployment, and delivery;
*   Familiarity with logging, tracing, and monitoring tools;
*   Familiarity with version control best practices.

**It Would Be Great If You Would Also Have**

*   Strong problem-solving skills and the ability to think critically to address complex technical challenges;
*   Proactive mindset with a focus on continuous improvement and learning;
*   Flexibility and willingness to adapt to changing priorities, technologies, and project requirements.

**Why join us?**

*   The opportunity to join ourSoftware team and play a pivotal role in delivering intuitive, responsive, and high-performance user-facing applications, while contributing to innovative solutions that redefine Bloq.it's revolution in the smart locker industry;
*   A dynamic and fast-paced work environment with a culture of innovation, collaboration, and continuous learning ;
*   Competitive salary and flexible benefits package, tailored to your experience and skills ;
*   Eligibility for performance-based bonus, tied to your results and designed to reward your impact ;
*   Work how you work best - we offer a remote-friendly policy and flexible hours so you can stay productive and keep life balanced ;
*   Portuguese Health Insurance ;
*   Unlimited days off (subject to manager approval).

Ready to join the revolution? At Bloq.it, we provide end-to-end solutions for Smart Lockers, and our software ecosystem, Bloq.it OS, is the leading tech solution available in the market. We've had the pleasure of working with some of the biggest names in e-commerce, logistics, and retail in Europe, such as Vinted and DHL. We have recently become the fastest-growing Smart Locker company in the world. Before Bloq.it the industry had stagnated and lacked innovation and good products. We strive to have the same impact in this industry as Tesla has had on the car industry. We believe that Smart Lockers are a big part of the future for everyone, and we want to play our part in making sure that Smart Lockers become as mainstream as the mobile phone.

At River we are building the most trusted and honest financial institution in the world, powered by bitcoin. We believe in a future where every person will have bitcoin savings, and every business will have bitcoin on the balance sheet. We obsessively design and build delightful products that help our clients buy, sell, secure, and use Bitcoin. We are looking for a talented senior software engineer who is passionate about building high-quality, delightful mobile experiences. In this role, you will be responsible for developing and maintaining features in our React Native codebase that power our mobile applications. River has raised more than $50 million from leading investors, including; Goldcrest, Kingsway, Polychain, M13, DG, and Valor. **What You Will Be Doing**

*   Architect and develop new features in our React Native codebase.
*   Collaborate with product management, design, and other engineers to plan and execute projects.
*   Write high-quality, tested code following best practices.
*   Participate in code reviews to ensure quality and share knowledge.
*   Contribute to the engineering culture and help shape its future for years to come.

**What We Look For In You**

*   5+ years of software engineering experience, focusing on mobile development.
*   Strong proficiency in React Native and mobile development principles.
*   Proficient in Swift/Objective-C and Java/Kotlin for native platforms.
*   Ability to write reliable code and take ownership of your work.
*   Solid understanding of web security fundamentals for mobile apps.
*   Genuine interest in River's mission and a passion for technology.

**Nice to haves**

*   Experience in the fintech industry.
*   A design portfolio and an eye for good design; experience crafting delightful animations in RN.
*   Experience with GitHub Actions, GCP, DataDog, Apollo Client for GraphQL, Figma, and Elixir.
*   Experience working in a rapidly scaling company.
*   Interest in Bitcoin.

**Location & Salary**

*   100% remote option available within the Americas and Europe, with offices in SF, NYC, and Columbus OH
*   Salary range between $140,000 - $215,000 based on skills and experience
*   401k and significant equity stock options
*   Medical, Dental and Vision Benefits
*   Unlimited PTO
*   Parental Leave separate from regular PTO policy

Senior Software Engineer - Mobile (React Native)

Una de las empresas con las que colaboramos en Joppy, una Consultora IT TOP, busca un/a un/a **Frontend Developer especializado/a en Cells** para colaborar en proyectos de primer nivel con BBVA.

Modalidad de trabajo: FULL REMOTE desde cualquier punto de España.

**Funciones principales**

*   Desarrollo y mantenimiento de aplicaciones frontend utilizando frameworks modernos como Angular, React, VueJS o LitElement.
*   Creación de componentes web reutilizables y robustos.
*   Colaboración activa en equipos multidisciplinares bajo metodología Agile/SCRUM.
*   Implementación de pruebas unitarias utilizando herramientas como Mocha, Jasmine o Jest.
*   Aplicación de buenas prácticas de programación orientada a objetos.
*   Gestión eficiente del código fuente mediante GIT.

**Requisitos imprescindibles**

*   Experiencia mínima de 5 años en desarrollo frontend.
*   Al menos 1 año de experiencia con Cells (framework propio de BBVA basado en Polymer).
*   Sólidos conocimientos en Javascript.
*   Experiencia en frameworks modernos: Angular, React, VueJS o LitElement.
*   Dominio de HTML y CSS.
*   Experiencia en desarrollo de Web Components usando frameworks o librerías mencionadas.
*   Experiencia en pruebas unitarias con herramientas como Mocha, Jasmine, Jest, entre otras.
*   Conocimientos de GIT y trabajo en entornos Agile/SCRUM.

**Requisitos valorables**

*   Experiencia previa con LitElement o Polymer.
*   Experiencia en proyectos del sector bancario o fintech.

**Condiciones laborales**

*   Contrato indefinido y salario de hasta 45.000 € brutos anuales, acorde a la experiencia aportada.
*   Modalidad de trabajo 100% remoto.
*   Horario adaptado al calendario laboral de la Comunidad de Madrid:
*   Lunes a jueves: 9 horas/día.
*   Viernes: 7 horas/día.
*   Julio y agosto: jornada intensiva de 7 horas diarias.
*   32 días laborables de descanso al año.

**¿Qué ofrecen?💪Entorno humano y retador:**

*   Equipo excepcional y diverso, en el que podrás colaborar con profesionales especializados y siempre actualizados.
*   Entorno que fomenta la innovación, el respeto y el crecimiento conjunto.
*   Proyectos únicos y retadores con tecnologías punteras, donde tu talento será protagonista.

**🏡Conciliación y Flexibilidad:**

*   Modelos de trabajo adaptados: 100% remoto o híbrido, dependiendo del puesto.
*   Flexibilidad horaria.
*   32 días laborables de descanso anuales.
*   Jornada intensiva en verano y todos los viernes.

**👩‍💻Desarrollo Profesional:**

*   Planes de carrera personalizados que te permitirán alcanzar todo tu potencial
*   Formación continua con acceso gratuito a UDEMY.

**💰Condiciones Competitivas:**

*   Contrato indefinido y retribución acorde a tu experiencia y perfil.
*   Seguro de vida.
*   Acceso a planes de retribución flexible: tarjeta restaurante, guardería, transporte y seguro médico privado.

**🤸🏻‍♂️Bienestar Integral:**

*   Programa de bienestar: acceso a una red de gimnasios, revisiones médicas, fisioterapia en oficina, talleres de salud y servicios de telemedicina en línea.

**About Joppy**

Joppy es una plataforma de reclutamiento tecnológico construida para developers por developers.

✅ No se requiere CV. Solo di lo que sabes y lo que quieres.

✅ Perfil anónimo por defecto.

✅ Tú eliges quién puede hablar contigo. Las empresas no pueden escribirte hasta que aceptes su oferta.

✅ Sólo ofertas relevantes que coincidan con tus preferencias. No más ofertas de Javascript para desarrolladores Java.

✅ Obtén una recompensa si te contratan.

Echa un ojo a las oportunidades de empleo tecnológico de forma anónima y encuentra el trabajo que te haga feliz.

Frontend Developer Cells (BBVA) – 100% Remoto (€40K - €45K)

Rithum™ is the world’s most trusted commerce network, accelerating how brands, suppliers, and retailers work together to deliver seamless e-commerce experiences. We provide an unmatched platform for brands and retailers, enabling them to accelerate growth, optimise operations across channels, scale product offerings and enhance margins. Today, more than 40,000 companies trust Rithum to grow their business across hundreds of channels, representing over $50 billion in annual GMV. Using our commerce, marketing, and delivery solutions, our customers create optimised consumer shopping journeys from beginning to end. **Overview** The Engineering Team employs some of the top engineering talent who are constantly working to improve processes, quality and techniques, with the goal of producing the highest quality software solutions in the industry. The lines between traditional QA and software engineering are blurred here, with quality being considered at all stages of development. Our team is comprised of very talented and highly motivated individuals, who pride themselves on working smarter, not harder. We’re empowered to make local decisions, reducing the overhead of getting things done. We aim for operational excellence, having a DevOps culture and a “you build it, you run it” mentality. We favor a Lean approach to our product development, following agile workflows such as Scrum and Kanban depending on the directive of the team. We welcome new technologies and are constantly self-evaluating our tech stack to make sure we are providing software of the highest quality. Continuous Delivery is important to us, and we are constantly looking to improve our automated testing and continuous integration. As a Software Engineer for our Retailers business function, you develop, write, and test code for software applications or systems. You are responsible for supporting your software engineering team, ensuring quality standards, and striving for innovation in meeting our business goals. **Responsibilities**

*   Participate in reviewing code written by peers and receive feedback on your own code to ensure quality and maintainable software development.
*   Learn new technologies, languages, tools, and best practices. We expect our Software Engineers to be proactive in improving their skills and staying updated with the latest trends in software development.
*   Engage in the software development process utilizing agile methodologies. This includes contributing to sprints, user stories, and participating in sprint reviews & retrospectives.
*   Manage medium to large-sized tasks or features assigned by senior engineers, delivering them on time and to specification.
*   Participate in the analysis of feature requirements or issues and propose solutions. You may be involved in solving technical challenges related to performance, scalability, or user experience. Occasionally perform research or develop prototypes to test out new ideas, frameworks, or technologies.
*   Partner with Product/User Experience designers to bring to life excellent client experiences.
*   Help to mentor more junior members of your team
*   Understanding of relevant software development tools including version control, build processes, debuggers, and test frameworks
*   Diagnose and fix software defects or bugs reported by users or uncovered during testing
*   Participate in on-call rotation
*   Understanding and utilization of software development tools including version control, building processes, debuggers, and test frameworks for:

*   Primary technologies (may include):

*   Java, JavaScript, JavaServer Pages, Typescript,
*   Angular, React.js,
*   Python, Node.js

*   Secondary technologies

*   AWS services (OpenSearch, Lambda, DynamoDB, Kinesis, RDS, ECS, and others)
*   SOAP/REST web service APIs
*   Redis, NoSQL
*   Microsoft SQL Server

**Qualifications** Minimum Qualifications

*   2+ years' experience developing in Angular, Typescript, JavaScript, Node.js, and AWS Technologies
*   Strong verbal and written English communication skills
*   Experience developing web applications, working with databases, and consuming APIs
*   Understanding of relevant software development tools including version control, build processes and test frameworks
*   Ability to work independently with limited supervision

**Preferred Qualifications**

*   Bachelor's degree or higher in Computer Science or a closely related field
*   Experience with cloud computing infrastructures such as AWS or Azure
*   Use of source code repositories such as Azure DevOps and Git
*   Experience working with SQL Server and NoSQL databases
*   Experience performance tuning and optimizing high scale systems
*   Experience working with development teams in multiple time zones
*   Proven track record of creating secure and scalable software that scales to dozens or hundreds of servers in a distributed, fault tolerant manner
*   Experience with e-commerce, retail, online marketplaces, or digital advertising
*   Excellent analytical, decision-making and problem-solving skills
*   Proven ability to work in a rapidly changing environment with keen attention to detail

**Travel Required** Up to 10% **Other Duties** _Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities required of the employee_ **What It’s Like To Work At Rithum** When you join Rithum, you can expect to work with smart risk-takers, courageous collaborators, and curious minds. As part of the Rithum team, you are valued, supported, and included. Guided by a transparent culture and accessible, approachable leadership, we offer career opportunities aligned to your ambitions and talents. To ensure work and life balance works for you, we also offer an array of resources to support you and your families, including comprehensive benefits and wellness plans. **At Rithum You Will**

*   Partner with the leading brands and retailers.
*   Connect with passionate professionals who will help support your goals.
*   Participate in an inclusive, welcoming work atmosphere.
*   Achieve work-life balance through remote-first working conditions, generous time off, and wellness days.
*   Receive industry-competitive compensation and total rewards benefits.

**Benefits**

*   Medical, Dental and Psychology benefits
*   Life insurance and disability benefits
*   Competitive time off package with 25 Days of PTO, 13 Company-Paid Holidays, 2 Wellness days and 1 Paid Volunteer Day
*   Voucher program for Transportation, Meals & Childcare
*   Work from the Madrid co-working space, if desired
*   Remote Working Stipend: €40/month automatically applied in payroll
*   Access to tools to support your wellbeing such as the Calm App and an Employee Assistance Program
*   Professional development stipend and learning and development offerings to help you build the skills and connections you need to move forward in your career.
*   Charitable contribution match per team member

Rithum is an equal opportunity employer. We are committed to providing an environment of mutual respect where equal employment opportunities are available to all applicants and teammates without regard to race, religion, color, sex, gender identity, sexual orientation, age, non-disqualifying physical or mental disability, national origin, veteran status or any other protected characteristic. All employment is decided on the basis of qualifications, merit, and business need. We're committed to providing reasonable accommodations in accordance with the law for qualified applicants. If you require assistance during the interview process due to a medical condition or need support accessing our website or completing the application process, please reach out to us by completing the Accommodations Request Form. Your comfort and accessibility are important to us, and we're here to ensure a seamless experience as you explore opportunities with our team.

Fullstack Software Engineer - JavaScript/TypeScript

**About FullStack** FullStack is one of the fastest-growing software consultancy companies in the Americas. We deliver transformational digital solutions to top global companies and Silicon Valley startups. As an employee-first company, we focus on hiring the most talented software designers and developers by creating a positive, respectful, and supportive work environment where they can achieve their greatest potential. **We’re Most Proud Of**

*   Offering life-changing career opportunities to talented software professionals across the Americas.
*   Building highly-skilled software development teams for hundreds of the world’s greatest companies.
*   Having delivered hundreds of successful custom software solutions, which have positively impacted the lives and careers of millions of users.
*   Our 4.2-star rating on GlassDoor.
*   Our client Net Promoter Score of 68, twice the industry average.

**The Position** We're Looking To Hire a Senior React Native Developer To Join Our Team. You'll Work With Our Incredible Clients In One Of Two Ways

*   Team Augmentation: You will integrate directly into our client's team and work alongside their existing designers and engineers daily.
*   Design & Build: You will work on a FullStack product team to build and deliver a product to our clients.

**What We're Looking For**

*   5+ years of professional software development experience.
*   Advanced English is required.
*   Successful completion of a four-year college degree is required.
*   Proven experience delivering React Native applications into production.
*   Hands-on expertise with Expo and managing OTA updates.
*   Strong knowledge of offline data storage and synchronization using tools like mmkv, legend-state, and TanStack.
*   Experience integrating and managing authentication systems like Auth0.
*   Proficient in version control with Git.
*   Skilled in debugging and troubleshooting.
*   Experienced in unit testing.
*   Knowledgeable in performance optimization.
*   Ability to produce clean, reusable, and scalable code.
*   Ability to work through new and difficult issues and contribute to libraries as needed.
*   Ability to create and maintain continuous integration and delivery of applications.
*   Forensic attention to detail.
*   A positive mindset and a can-do attitude.
*   Experience working on Agile / Scrum teams.
*   Meaningful experience working on large, complex systems.
*   Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
*   Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.
*   Ability to consistently work 40 hours per week.

**What We Offer**

*   Competitive Salary.
*   Paid Time Off (vacation, sick leave, maternity and paternity leave, holidays).
*   100% remote work.
*   The ability to work with leading startups and Fortune 500 companies.
*   Health, dental, and vision insurance.
*   401(k) w/ 4% match.
*   Ample opportunity for career advancement.
*   Continuing education opportunities.

FullStack is proud to be an equal opportunity workplace. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. Learn more about our Applicants Privacy Notice.

Senior React Native Developer - Remote - USA

**Job Title:** Senior / Lead React Native Developer

**Location**: Remote (U.S.-based, no time zone restrictions)

**Employment Type**: Full-Time / long term contract

We are seeking a Senior / Lead React Native Developer to help lead the development of one of our healthcare client’s flagship mobile platform—designed to unify the healthcare experience for millions of users in one intelligent, scalable app.

This role is focused on true mobile engineering at scale. The ideal candidate brings deep experience with large-scale React Native applications and hands-on knowledge of the native iOS and Android layers. You’ll play a critical role in building a modular, AI-powered Companion experience shared across multiple apps.

We're not looking for a web developer learning mobile—we're looking for a seasoned mobile expert who understands the full lifecycle of a production-grade mobile app, from writing clean, reusable JavaScript to managing CI/CD pipelines and native build processes.

**RESPONSIBILITIES**

*   Lead development on a massive-scale React Native application consolidating services like prescriptions, medical records, appointments, financials, and more.
*   Architect and build a reusable AI Companion framework to support conversational experiences across multiple mobile apps and business units.
*   Manage and maintain CI/CD pipelines for native apps (Bitrise, GitHub Actions), and own the build/release process for both iOS and Android.
*   Ensure consistent, performant delivery of two native apps that share a JavaScript codebase but compile into native binaries.
*   Collaborate with platform and backend teams to integrate secure, scalable APIs for goal-oriented, multi-intent user experiences.
*   Mentor engineers and shape team standards around architecture, testing, and maintainability.
*   Drive long-term quality and scalability—not just short-term feature delivery.

**QUALIFICATIONS**

*   10+ years of professional mobile development experience, with at least 5 years focused on React Native.
*   Proven track record of shipping and scaling large mobile apps with complex architectures and high user traffic.
*   Hands-on experience working with native iOS/Android codebases alongside React Native, especially for build, configuration, and release processes.
*   Experience setting up and managing CI/CD pipelines for mobile apps, including tools like Bitrise, Fastlane, and GitHub Actions.
*   Comfortable working across large codebases, multiple teams, and highly regulated environments.

Brooksource provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, national origin, age, sex, citizenship, disability, genetic information, gender, sexual orientation, gender identity, marital status, amnesty or status as a covered veteran in accordance with applicable federal, state, and local laws

Full Stack Engineer (Poland or EU)

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