At Multisynaptech, we are dedicated to building smart, scalable, and future-ready digital solutions. We’re looking for an experienced Application Architect with a fullstack development background, who is based in the Netherlands, to help shape the architecture of innovative software products.

What you’ll do:

• Design and implement secure, scalable, and maintainable application architectures

• Collaborate closely with developers, stakeholders, and product teams

• Lead technical decision-making and define architectural applications standards

• Support and guide development teams with hands-on experience in frontend and backend

What you bring:

• Proven experience as an Application Architect

• Proven Application that are in production

• Strong fullstack development background (e.g. React, Angular, Node.js, .NET, Java, Python)

• Experience with cloud platforms, APIs, and CI/CD

• Knowledge of databases, microservices, and system integration

• Excellent communication skills and a proactive mindset

• Residency in the Netherlands is required

What we offer:

• Freelance position with flexible hours (16–40 hours per week)

• Competitive rate of € 80/hour

• A dynamic, ambitious, and friendly team

• Meaningful projects that allow you to make real impact

• Short term contract 3 to 6 months with the option to extend to a year or even permanent position

as full stack lead developer.

Application Architect

Full‑Stack Developer (React / Node.js)

Artificial Intelligence Works Staffing Inc. is hiring on behalf of a venture‑backed health‑tech startup for the role below. Our client builds data‑driven tools that turn real‑time EHR, imaging, and IoT streams into clinician‑friendly web apps. Full‑stack developers here ship features end‑to‑end and can progress into tech‑lead roles within 12–18 months—advancement is based on impact, not tenure.

What You’ll Do

*   Deliver product features front‑to‑back: React 18 + TypeScript on the client, Node.js (Express / Nest) APIs on the server.
*   Integrate GraphQL & REST services that pull patient data, imaging metadata, and AI inference results.
*   Model and access data with Prisma ORM on PostgreSQL; cache hot paths in Redis.
*   Own quality: write unit/integration tests (Jest, React Testing Library), e2e tests (Playwright/Cypress), and keep CI green.
*   Improve performance and accessibility—Lighthouse 95+, Core Web Vitals, WCAG 2.1 AA compliance.
*   Deploy and monitor via Docker, Kubernetes (EKS), GitHub Actions, and Datadog dashboards.
*   Collaborate across functions with design, data science, and compliance to meet HIPAA/SOC 2 requirements.

Tech Stack

*   Frontend: React 18, TypeScript 5, Next.js 14 (App Router), Tailwind CSS, TanStack Query, Storybook
*   Backend: Node.js 20 (Express / NestJS), TypeScript, GraphQL (Apollo Server), REST (Fastify)
*   Data: PostgreSQL + Prisma ORM, Redis, S3, Kafka event bus
*   CI/CD & Infra: GitHub Actions, Docker, Kubernetes (EKS), Terraform, Argo CD
*   Observability: Datadog APM, Prometheus, Grafana, Sentry

What We’re Looking For

*   3+ years building production apps with React and Node.js (TypeScript)
*   Solid grasp of modern JavaScript/TypeScript, browser rendering, and API design best practices
*   Experience with SQL databases (PostgreSQL preferred) and at least one ORM (Prisma, TypeORM, Sequelize)
*   Comfort with automated testing, CI pipelines, and Docker‑based deployments
*   Strong communication skills; able to translate technical constraints for non‑technical stakeholders
*   Bonus: healthcare standards (FHIR / HL7), real‑time websockets, or GraphQL federation

Perks & Logistics

*   Remote‑first culture with optional quarterly team meetups (travel covered)
*   Comprehensive health, dental, and vision benefits (US) or monthly wellness stipend (Canada)
*   12 weeks fully‑paid parental leave for all parents
*   Annual learning budget for courses, certifications, or conferences

Compensation

$175,000 – $200,000 base + quarterly impact bonus (up to 15 %)

Full‑time, 12‑month contract with a clear path to permanent employment.

Interview Flow

*   30‑min intro call (role fit & culture)
*   90‑min live coding & architecture session (React / Node)
*   45‑min cross‑functional chat with Product & DevOps leads
*   Offer decision typically within five business days of the technical session

_Artificial Intelligence Works Staffing Inc. is an equal‑opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees._

Remote Web Developer (React,Node) |

LightFeather is currently seeking a Full Stack Software Engineer to join our team. You will be responsible for building and maintaining web applications that support user accounts, applicant experiences, and various company workflows. This is a long-term project. Successful candidates must thrive in a collaborative team culture. This Position is Full Time, Remote. Key Responsibilities:

*   Design and develop scalable web applications using React, Ruby on Rails, and Formik
*   Build and maintain form-based web applications to digitize user applications and improve usability
*   Implement validation and automation testing using Yup and Cypress
*   Enhance UI/UX experiences for user accounts, biometric scheduling, and secure messaging
*   Support feature rollouts, optimizations, and internal production operations

Required Qualifications and Skills:

*   US Citizenship
*   Active clearance at the Public Trust level or above
*   Bachelor's degree in Computer Science, Software Engineering, or a related field
*   3+ years of experience as a Full Stack Engineer with expertise in React
*   Strong knowledge of Formik with Yup validation, Cypress, and API integrations
*   Experience with Git
*   Ability to troubleshoot, optimize, and refactor existing codebases
*   Ability to work as a team player
*   Detailed documentation skills
*   Excellent oral and written communications
*   Strong customer service/client facing skills

Preferred:

*   Experience with Ruby on Rails
*   Experience with GraphQL and Redux
*   Experience working with Docker, Splunk, and cloud-based deployment
*   Experience with Google Analytics

Why Join LightFeather? You'll be part of a team dedicated to meaningful impact, working on solutions that address mission-critical needs. Experience variety, fulfillment, and the opportunity to work with some of the best in the industry. We are committed to fostering a diverse and inclusive environment where everyone is valued and respected. Commitment to Diversity LightFeather is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees, regardless of race, color, religion, sex, sexual orientation, gender identity, national origin, veteran, or disability status. Powered by JazzHR gLASEDEynX

Full Stack Software Engineer

**This is Engineering at Lattice** Lattice’s Engineering team is continuously working to better both our product and our craft. We use a modern, cutting-edge tech stack and love experimenting with new technologies. We strive for maintainable, robust, and performant code. We’re highly collaborative and continuously iterative and work closely with designers and product managers. We prioritize not only great technical architecture, but also an amazing product experience. **What You Will Do**

*   You’ll be responsible for building software to help companies build cultures in which their employees thrive.
*   You’ll partner with other engineers to build and own products across a modern tech stack. Our current stack includes Typescript, React, Relay Modern, GraphQL, Node.js, PostgreSQL, and AWS.
*   You’ll drive forward the execution of complex projects, many of which require tight cross-functional collaboration with product managers and designers as well as cross-team collaboration between engineers.
*   You will make contributions to our engineering practices, identifying and evangelizing improvements to improve our team output.
*   You will create and update high-quality technical documentation based on feedback from relevant stakeholders.
*   You will focus on improving our user experience and find creative ways to reduce user pain points.

**What You Will Bring To The Table**

*   You are passionate about software development and have 2+ years of professional experience writing and maintaining production-level applications.
*   You have production-level experience in TypeScript, React, GraphQL, Node.js, and are passionate about learning and using any new technologies that are required at the job.
*   Prior experience within B2B SaaS is a plus, not a requirement.
*   You are efficient in SQL and know how to model data and write performant queries in a relational database like PostgreSQL.
*   You love to work on challenging projects that require coordination with multiple teams and multiple engineers.
*   You are able to seek out the root cause when debugging software defects, and champion improvements that prevent future issues.
*   You are always striving towards understanding the codebase inside and out.
*   You have the ability to understand the nuances of product requirements and translate them into code.
*   You take care to write code that your colleagues will also own, comprehend, and maintain.
*   You are clear and concise in explaining your thought process and in enumerating the tradeoffs made in your work.

_The estimated annual cash salary for this role is $112,000 - $140,000. This position is also eligible for incentive stock options, subject to the terms of Lattice’s applicable plans._ _Benefits: The Company offers the following benefits for this position, subject to applicable eligibility requirements: Medical insurance; Dental insurance; Vision insurance; Life, AD&D, and Disability Insurance; Emergency Weather Support; Wellness Apps; Paid Parental Leave, Paid Time off inclusive of holidays and sick time; Commuter & Parking Accounts; Lunches in the Office; Workplace Amenities Stipend, Internet and Phone Stipend; One time WFH Office Set-Up Stipend; 401(k) retirement plan; Financial Planning; Learning & Development Budget; Sabbatical Program; and Invest in Your People Fund_

*   Note on Pay Transparency:

_Lattice provides an estimate of the compensation for roles that may be hired as required by state regulations. Compensation may vary based on (a) location, as Lattice factors in specific location when benchmarking compensation for most roles; (b) individual candidate skills and qualifications; and (c) individual candidate experience._ _Additionally, Lattice leverages current market data to determine compensation, so posted compensation figures are subject to change as new market data becomes available. The salary, other compensation, and benefits information is accurate as of the date of this posting. Lattice reserves the right to modify this information at any time, subject to applicable law._ **About Lattice** Lattice is on a mission to build cultures where employees and their companies thrive. In an age where employees have more choices than ever before, businesses that put employees first are winning 🏅– and Lattice is building the tools to empower those people-centric companies. Lattice is a people success platform that offers performance reviews, employee engagement surveys, real-time feedback, weekly check-ins, goal setting, and career planning in a way that allows companies to focus on employee development, growth, and engagement – yielding stronger employee retention, performance, and impact to the bottom line 📈. Since launching in 2016, we have grown to over 5,000+ customers globally, including brands like Loom, Robinhood, and Gusto. _Lattice is committed to equal treatment and opportunity in all aspects of recruitment, selection, and employment without regard to gender, race, religion, national origin, ethnicity, disability, gender identity/expression, sexual orientation, veteran or military status, or any other category protected under the law. Lattice is an equal opportunity employer; committed to a community of inclusion, and an environment free from discrimination, harassment, and retaliation._ _By clicking the "Submit Application" button below, you consent to Lattice processing your personal information for the purpose of assessing your candidacy for this position in accordance with_ _Lattice's Job Applicant Privacy Policy__._

Software Engineer

**Job Description** We are seeking a hands-on Senior Software Engineer that shares our passion and excitement for operating distributed systems at hyper scale using cloud native best practices. Java development experience is required. Other recommended tools and technologies may include: Rest APIs, Maven, Jenkins, Ruby, Terraform, JAX-RS/Jersey, OAuth/OAuth2, OpenID Connect, and React JS, among others. Demonstrated understanding of cloud native architecture and experience with either AWS or Oracle Cloud Infrastructure(OCI) is desired. Experience with identity and access management concepts would be very valuable but is not required. Identity and Access Management (IAM) Engineering is building the next generation of health care platform using cloud native solutions to provide a superior patient experience. The platform and control plane build foundational building blocks that make up the stack and services to manage environment lifecycle events. IAM Engineering is responsible for R&D, focusing on leveraging open standards and interoperable technologies to make the infrastructure as agile and adaptable as possible. We are focused on the crucial topics of identity and security--how to identify the various people, devices, and systems that make up the cloud; how to allow them to securely communicate with one other; how to track what they do, etc. Career Level - IC3 **Responsibilities** As a Senior Software Engineer in our team, you’ll be responsible for, and lead efforts in, designing and building scalable, distributed, and resilient software components and services to support our health care platform and the users it serves. We believe in ownership and expect you to think long term, mentor, and empower other engineers. As a technical leader on the team, you will own the complete software development lifecycle, from design, development, testing, first class monitoring, to production. **Qualifications** Disclaimer: **Certain US customer or client-facing roles may be required to comply with applicable requirements, such as immunization and occupational health mandates.Range and benefit information provided in this posting are specific to the stated locations only** US: Hiring Range: from $74,800 - $178,200 per year. May be eligible for bonus and equity. Oracle maintains broad salary ranges for its roles in order to account for variations in knowledge, skills, experience, market conditions and locations, as well as reflect Oracle’s differing products, industries and lines of business. Candidates are typically placed into the range based on the preceding factors as well as internal peer equity. Oracle US offers a comprehensive benefits package which includes the following:

*   Medical, dental, and vision insurance, including expert medical opinion
*   Short term disability and long term disability
*   Life insurance and AD&D
*   Supplemental life insurance (Employee/Spouse/Child)
*   Health care and dependent care Flexible Spending Accounts
*   Pre-tax commuter and parking benefits
*   401(k) Savings and Investment Plan with company match
*   Paid time off: Flexible Vacation is provided to all eligible employees assigned to a salaried (non-overtime eligible) position. Accrued Vacation is provided to all other employees eligible for vacation benefits. For employees working at least 35 hours per week, the vacation accrual rate is 13 days annually for the first three years of employment and 18 days annually for subsequent years of employment. Vacation accrual is prorated for employees working between 20 and 34 hours per week. Employees working fewer than 20 hours per week are not eligible for vacation.
*   11 paid holidays
*   Paid sick leave: 72 hours of paid sick leave upon date of hire. Refreshes each calendar year. Unused balance will carry over each year up to a maximum cap of 112 hours.
*   Paid parental leave
*   Adoption assistance
*   Employee Stock Purchase Plan
*   Financial planning and group legal
*   Voluntary benefits including auto, homeowner and pet insurance

The role will generally accept applications for at least three calendar days from the posting date or as long as the job remains posted. **About Us** As a world leader in cloud solutions, Oracle uses tomorrow’s technology to tackle today’s challenges. We’ve partnered with industry-leaders in almost every sector—and continue to thrive after 40+ years of change by operating with integrity. We know that true innovation starts when everyone is empowered to contribute. That’s why we’re committed to growing an inclusive workforce that promotes opportunities for all. Oracle careers open the door to global opportunities where work-life balance flourishes. We offer competitive benefits based on parity and consistency and support our people with flexible medical, life insurance, and retirement options. We also encourage employees to give back to their communities through our volunteer programs. We’re committed to including people with disabilities at all stages of the employment process. If you require accessibility assistance or accommodation for a disability at any point, let us know by emailing accommodation-request\_mb@oracle.com or by calling +1 888 404 2494 in the United States. Oracle is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Oracle will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.

Software Developer

Lensa is the leading career site for job seekers at every stage of their career. Our client, TWO95 International, is seeking professionals. Apply via Lensa today! Title – Sr. Front End Developer (React.js) Position – 6+ Months Contract Location – 100% Remote Work Rate - $Open (Best Possible) Skills: html5 / css3 / js (es6) / json / git / CLI / reactjs / react hooks **Responsibilities**

*   Strong initiative and a collaborative spirit
*   Flexibility & creativity, with the ability to work well on (tight) deadlines
*   A willingness/ability to learn, to be unafraid to ask questions and a desire to advance skills and experience

Note: If interested please send your updated resume and include your rate requirement along with your contact details with a suitable time when we can reach you. If you know of anyone in your sphere of contacts, who would be a perfect match for this job then, we would appreciate if you can forward this posting to them with a copy to us. We look forward to hearing from you at the earliest!.

Sr. Front End Developer (React.js) - Remote

Are you interested in working directly for a single sponsor while having the security and additional career opportunities that working for a global CRO can bring? Our team says it’s the best of both worlds…. ClinChoice is searching for a **Web Application DeveloperConsultant** to join one of our clients. ClinChoice is a global full-service CRO with a strong focus on quality, professional development, and supportive culture. As a client-facing role, we are looking for confident candidates with the ability to work independently whilst establishing a high-trust environment with the client’s counterparts. **Summary** We are looking for a versatile **Web Application Developer** to join our Data Science team. In this role, you will be responsible for developing internal web-based applications that enhance workflows, support data-driven initiatives, and improve operational efficiency. The ideal candidate will have experience working with a variety of programming languages and frameworks and enjoy building tools that empower data and business teams. **Key Responsibilities:**

*   Design, develop, and maintain internal web applications tailored to the needs of the data science team and broader organization
*   Work closely with data scientists, analysts, and stakeholders to gather requirements and deliver effective, user-friendly solutions
*   Build both front-end and back-end components using modern technologies
*   Write clean, maintainable code across multiple programming languages
*   Integrate with internal systems, databases, and APIs
*   Participate in code reviews, testing, and debugging processes
*   Stay current with web development trends and best practices

**Qualifications:**

*   Bachelor’s degree in Computer Science, Software Engineering, or a related field
*   Strong experience in web development using multiple languages such as Python, JavaScript, Java, or C#
*   Proficiency with front-end frameworks (e.g., React, Angular, Vue.js) and back-end frameworks (e.g., Flask, Django, Node.js)
*   Solid understanding of database design and integration (SQL and NoSQL)
*   Familiarity with RESTful APIs and cloud platforms (e.g., AWS, Azure, GCP)
*   Excellent communication skills and ability to work in a collaborative environment

**Preferred Skills:**

*   Experience building tools for data science or analytics teams
*   Knowledge of data visualization libraries or platforms
*   Experience with Git, CI/CD pipelines, and containerization tools like Docker or Kubernetes

**The Application Process** Once you have submitted your CV, you will receive an acknowledgement that we received it. If you have the requirements we need, you will be invited for phone interview as the first step. Unfortunately, due to the number of applications we receive, we cannot reply to everyone individually if you are not successful. **Who will you be working for?About ClinChoice** ClinChoice is a global full-service CRO specializing in clinical development and functional solutions for pharmaceutical, biotechnology, medical device, and consumer health companies. We have over 28 years of proven high-quality delivery and results across all our services, with over 4,000 professionals in more than 20 countries across the Americas, Europe, and Asia-Pacific. **Our Company Ethos** Our mission drives our culture: to contribute to a healthier and safer world by accelerating the development and commercialization of innovative drugs and devices. Our employees are the most valuable company asset and they are the fulcrum around which all ClinChoice activities are built and close management and training is the core instrument to develop and maintain highly-qualified personnel. The continuous training keeps the resources qualified in terms of competence and expertise and gives all personnel the clear tools needed to manage both internal and client processes with the same methodology. The success of these core values is evidenced by our below industry average turnover rates. ClinChoice is an equal opportunity employer. We have based our success on attracting, developing, and promoting talent guided by diversity and inclusivity. Our employees come from very diverse backgrounds: gender, race, beliefs, and ethnicities. We recognize this is our strength and celebrate it. **#Senior #Contract**

829#Web Application Developer – Data Science Team (Remote-Contract)

Lensa is the leading career site for job seekers at every stage of their career. Our client, Insight Global, is seeking professionals. Apply via Lensa today! **Job Description** An employer is looking for a Senior Full Stack Engineer to support mobile and web development efforts. This role requires deep expertise in React, React Native, and GoLang, with a focus on delivering high-quality, customer-facing applications. You'll operate in a Kanban environment and collaborate with cross-functional teams to ship meaningful product improvements. Tasks will include: **Responsibilities**

*   Deliver full stack solutions across web and mobile platforms supporting enterprise applications
*   Design and implement scalable, maintainable, and well-tested features
*   Partner with product and design to define and execute technical solutions
*   Lead code reviews and uphold engineering best practices
*   Own technical documentation and reduce tech debt
*   Quickly triage and resolve production issues
*   Optionally leverage GenAI tools to accelerate development
*   Apply software development best practices including coding standards, peer reviews, source control, CI/CD processes, testing, and operational readiness

We are a company committed to creating inclusive environments where people can bring their full, authentic selves to work every day. We are an equal opportunity employer that believes everyone matters. Qualified candidates will receive consideration for employment opportunities without regard to race, religion, sex, age, marital status, national origin, sexual orientation, citizenship status, disability, or any other status or characteristic protected by applicable laws, regulations, and ordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or recruiting process, please send a request to HR@insightglobal.com . The EEOC "Know Your Rights" Poster is available here (https://www.eeoc.gov/sites/default/files/2023-06/22-088\_EEOC\_KnowYourRights6.12ScreenRdr.pdf) . To learn more about how we collect, keep, and process your private information, please review Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/ . **Skills And Requirements** 710 years of full stack software development experience Strong front end development skills- React, React Native, Back end/ API development skills- GoLang Experience with AWS, GitLab Pipelines, DevOps best practices Solid understanding of software architecture and development fundamentals Expo Shelling scripting NodeJS null We are a company committed to creating diverse and inclusive environments where people can bring their full, authentic selves to work every day. We are an equal employment opportunity/affirmative action employer that believes everyone matters. Qualified candidates will receive consideration for employment without regard to race, color, ethnicity, religion,sex (including pregnancy), sexual orientation, gender identity and expression, marital status, national origin, ancestry, genetic factors, age, disability, protected veteran status, military oruniformed service member status, or any other status or characteristic protected by applicable laws, regulations, andordinances. If you need assistance and/or a reasonable accommodation due to a disability during the application or the recruiting process, please send a request to HR@insightglobal.com.

REMOTE- Full Stack Developer (React/ Golang)

Your next adventure starts at Encamp. Encamp is on a mission to create a world where good for business is good for the environment. As a part of our engineering team, you’ll be...

*   Part of a forever fully remote company, committed to supporting work-life balance
*   Working with a modern development stack (AWS, TypeScript, Node.js, Postgres, Prisma, Apollo, Vite, React, Material UI, Turborepo, Terraform)
*   On a team that cares about well designed APIs, sustainable software and developer experience
*   Solving interesting distributed systems problems, integrating with hundreds of agencies around the United States
*   Solving real problems, helping companies do what's right for the environment and helping first responders navigate emergency situations
*   Part of an organization dedicated to growing in a sustainable way
*   Surrounded by some of the smartest and friendliest coworkers ever

**Who We're Looking For...**

*   You'll be comfortable in a small, nimble, and high performing team - this is a startup!
*   You'll ask for help, show vulnerability and empathy in technical conversations
*   You'll bring extreme ownership to the problems you're asked to solve - we value outcomes
*   You'll communicate often in the open - our team norms include Looms, public Slack discussions and huddles, guided PR walkthroughs and demos
*   You'll be comfortable crossing into and learning technical areas that are not your specialty
*   You use first principles-based thinking to create pragmatic solutions to complicated problems
*   You'll explain technical subjects in simple language that anyone can understand

Perks of being part of the Encampus...

*   Competitive salary and benefits, including medical, dental, vision, 401k match, and responsible Paid Time Off
*   A flexible, remote-first culture with an allowance to support your remote work setup
*   A high-end laptop focused on a fast local dev cycle and developer throughput
*   Share in our success - you'll have a significant personal impact on the team and the ability to earn equity
*   Parental leave - we know how important it is to spend time with your new family!
*   Sustainable 1:1s, focused on not only your growth as an employee, but in your career
*   Get together at in-person Encamp Summits to share our wins and build community
*   Work with a brilliant team of people that share your values and passion

Ready to join us around the campfire? Come join a team of trailblazers making a BIG difference in the environmental programs for more than 20k facilities around the United States. We're on a mission to create a world where good for business is good for the environment. At Encamp, we believe we are better together – all of us, whatever our race, ethnicity, sexual orientation, age or physical ability. We strive to create an environment that encourages and celebrates diverse voices, backgrounds, and experiences. A cornerstone of our culture is the ability to bring their full, authentic selves to work every day. Encamp is committed to unbiased hiring practices and achieving minority representation above community averages. We encourage you to apply, even if you don't have specific experience in our tech stack or a background in formal education. We value your ability to grow, your flexibility, and your mindset. __In the interest of full transparency, the salary for this role will be $150k - $170k.__

Senior Software Engineer

At **PetsApp**, we’re on a mission to make vet care more accessible, convenient, and delightful for pet owners and veterinary teams. We help vet clinics grow and operate efficiently while delivering the best care possible.

We’re looking for a **Product Engineer** who can craft exceptional user experiences and build them too. You will be collaborating with a team that moves fast, ships often, and cares deeply about our users. You’ll be working at the intersection of **AI and pet healthcare**, helping shape the future of our platform.

**What you’ll do**

*   **Design intuitive, delightful, and high-impact experiences** for pet owners and veterinary professionals.
*   Bring your designs to life using **React and TypeScript (and React Native)**
*   Lead **customer interviews and research** to uncover user needs and inform design decisions.
*   Use **Shape Up methodology** to help us smash our bets
*   Create **prototypes, high-fidelity UI designs, and design systems** in **Figma**
*   Collaborate on **AI-powered product experiences**, integrating cutting-edge tech into our platform.

**What we’re looking for**

*   **A strong product thinker** – you go beyond UI and care about product strategy, user problems, and outcomes.
*   Experience working with React (React Native a bonus)
*   **Experience designing and building digital products** (SaaS, B2B and AI-powered products are a plus).
*   **Figma expertise** – you know your way around components, auto-layout, and design systems.
*   Experience working in a **fast-paced, iterative environment** (bonus if you’ve used **Shape Up**).
*   Comfort with **customer research**– talking to users, running tests, and making data-driven design decisions.
*   **Good collaboration skills**– you can work effectively with engineers, product managers, and stakeholders.

**Why join PetsApp?**

*   **Work on meaningful problems** that improve the lives of pets, owners, and veterinary teams.
*   **Collaborate with a high-caliber, mission-driven team** in a fast-growing startup.
*   **Ship real products quickly** in a company that values autonomy and trust.

**Company Benefits**

*   Stock options
*   Flexible hours
*   Remote work
*   25 days holiday
*   Pick your own hardware
*   Training budget
*   Central London office

**Interview Process**

1.  Initial call with a PetsApp pack member
2.  Take home task
3.  Task review
4.  Meet the CEO call with Thom

Product Engineer (Design & Developer)

**Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract LengthOpportunity:**

We're supporting a fast-moving client at huge global scale, that is in need of a **Senior Backend Contractor** with deep experience across **Java and Python**, strong exposure to **Rust**, and ideally a touch of **Ruby**. This is a high-impact freelance role within a tech-driven established team - building scalable systems in a modern backend environment.

**What You'll Be Doing as a Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd | Outside IR35 :**

*   Designing and building robust backend services across Java, Python, and Rust-based systems
*   Collaborating with product and platform teams to scale critical infrastructure
*   Contributing to performance optimisation, secure coding, and clean architecture decisions
*   Bringing in best practices across multiple programming paradigms and languages
*   Ideally, supporting legacy Ruby codebases or integrations where needed

**Core Skills for the Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd | Outside IR35 :**

*   **Senior-level backend experience** with both Java and Python in production systems
*   Proven work with **Rust** (production experience strongly preferred)
*   Familiarity with **Ruby** or willingness to support legacy pieces if required
*   Strong grasp of APIs, cloud-native systems, and scalable architecture
*   Freelance mindset: able to hit the ground running, communicate clearly, and add value fast

Details for the **Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd | Outside IR35**

*   **Contract**: LTD company (UK) / B2B
*   **Location**: Remote (must be EU-based for legal/timezone reasons)
*   **Duration**: Long-term engagement potential
*   **Start**: ASAP

**If interested in this Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd | Outside IR35, please apply here and we will contact you if it's a good match! :)**

Senior Backend Engineer Contractor (Java, Python, Rust + Ruby nice-to-have) | Fully Remote / EU-Based | Rate £550-650pd, Outside IR35 | 12-months Contract Length

Application Architect

Job Description

Apply now

Multisynaptech

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