June 2, 2026

Frontend React Native Developer

Senior • Hybrid

Aarhus, Denmark

emagine is looking for a Senior React Native Developer for one of our partners.

Background

The app will be developed on top of their existing monorepo platform, enabling them to take greater ownership of their technical platform and accelerate future development across teams.


The Role

We are looking for a Senior Frontend Developer with strong React Native experience to join a small, high-performing team (currently 2 developers).

You will play a key role in building the app from the ground up, translating designs into high-quality features and ensuring they are ready for go-live. While you will not hold a formal Lead role, you will act as a core contributor and technical driver within the team.


Main Responsibilities

• Take ownership of delivering features end-to-end, including complex functionality

• Collaborate closely with designers and developers to ensure high-quality UX implementation from Figma

• Contribute actively in refinements, sprint planning, and daily standups

• Drive technical discussions and sparring on complex problems

• Quickly understand and navigate a large existing codebase (monorepo)

• Ensure solutions align with long-term maintainability and platform strategy

• Collaborate across teams working within the monorepo


Key Requirements

• 6+ years of experience in Frontend Development

• Strong experience with React Native (mobile app development)

• Solid experience with React (web)

• Proven track record of delivering production-ready applications

• Experience working in collaborative environments with developers and stakeholders

• Ability to quickly understand complex systems and architecture

• Actively using AI tools to improve development workflows

• Fluent in English (written and spoken)


Nice to Have

• Experience working in a monorepo setup (e.g. Turborepo)

• Familiarity with Tailwind CSS

• Experience working with Figma handovers

• Experience with Expo for React Native apps


Other Details

The ideal candidate is a fast learner who can ramp up quickly in new domains, takes ownership and proactively drives tasks forward, thrives in a high-paced environment, communicates clearly, and collaborates naturally across teams. You will work comfortably in a small team with a high impact, understanding that much of your success depends on cross-team collaboration and alignment within the monorepo ecosystem.

Start: ASAP
Duration: 3 months
Work load: Full time
Location: Aarhus - minimum 3 days/week

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Remote

Bucharest, Romania

🏢 Summary: Senior React Native Developer role focused on evolving and optimizing a mobile mobility application, improving user journeys and conversion rates. The position involves end-to-end feature ownership, performance optimization, and expansion of the app using the Expo ecosystem. It requires close collaboration with cross-functional teams and contribution to technical decisions and mobile roadmap direction. 🗂️ Requirements: 8–10+ years of software development experience, 5+ years of experience with React Native, Strong proficiency in JavaScript, Strong proficiency in TypeScript, Hands-on experience with Expo, Experience with state management libraries (Zustand, Redux, or MobX), Understanding of GraphQL APIs, Understanding of REST APIs, Experience building complex, scalable mobile applications, Experience working in cross-functional product teams 📃 Skills: React, ReactNative, JavaScript, TypeScript, Expo, Zustand, Redux, MobX, GraphQL, REST, APIs 🏢 Description: Role Overview We are looking for a Senior React Native Developer to a team focused on evolving the mobile experience of a mobility application. You will play a key role in optimizing user journeys, improving conversion rates, and enhancing existing features while contributing to the expansion into new markets. Key Responsibilities Design, build, and maintain high-performance, scalable, and reusable React Native applications. Optimize application performance, quality, and responsiveness. Own the end-to-end development of features within the conversion domain. Continuously discover, evaluate, and implement new technologies (with strong emphasis on Expo ecosystem). Collaborate closely with cross-functional teams (1 BE developer, 1 designer, FE team). Break down business goals into iterative, deliverable development steps. Communicate progress, blockers, and technical decisions effectively. Contribute to technical decision-making and mobile roadmap direction. Must Have Requirements 8–10+ years of software development experience. 5+ years building complex React Native applications. Strong proficiency in JavaScript / TypeScript. Hands-on experience with Expo (critical requirement). Strong expertise in state management (preferably Zustand, but Redux/MobX also acceptable). Solid understanding of GraphQL and REST APIs. Experience working in cross-functional product teams. Strong communication skills and proactive, ownership-driven mindset. Nice to Have Experience with automated testing frameworks. Familiarity with offline storage solutions. Experience optimizing conversion funnels or user journeys in mobile apps. Other Details: This position allows for remote work from Romania and is suited for individuals ready to take on new challenges in a dynamic environment.

Technology

ITDS

Senior React Front-End Developer – Platform Integration and Design Systems

Senior

Hybrid

Warsaw, Poland

18,900 - 24,150 PLN

🏢 Summary: Senior React Front-End Developer role focused on building and maintaining scalable platform-wide React libraries and design system components for a major financial institution. The position involves developing reusable front-end solutions, ensuring quality through testing, and supporting product teams with platform integration. It emphasizes performance, accessibility, and high engineering standards within a hybrid work model. 🗂️ Requirements: 5+ years of experience in front-end development with React, Strong expertise in JavaScript and TypeScript, Experience building and maintaining scalable front-end applications and NPM packages, Experience with unit and end-to-end testing, Proficient use of Git including advanced branch and commit management, Knowledge of accessibility standards and WCAG, Experience with Jira, Confluence, and Bitbucket, Good command of Polish and communicative English, Legal right to work in the European Union 📃 Skills: React, JavaScript, TypeScript, NPM, CSS, Jest, Testing, Cypress, Git, WCAG, Jira, Confluence, Bitbucket, ReactNative, Capacitor, WebView 🏢 Description: Empower innovation at scale — shape the future of front-end technology! Warszawa-based opportunity with hybrid work model As a Senior React Front-End Developer – Platform Integration and Design Systems , you will be working for our client, a leading financial institution, delivering robust and scalable front-end solutions. Join a team committed to building advanced platform components that empower seamless user experiences and drive digital transformation. Your main responsibilities: Develop and maintain platform-wide React libraries and components aligned with the Bank’s Design System. Implement and optimize generic functionalities and innovative technical solutions for front-end teams. Write and sustain comprehensive unit and end-to-end tests to ensure high-quality deliverables. Ensure consistency, performance, and accessibility standards are upheld across all solutions. Collaborate with cross-functional platform teams and UI/UX designers to refine components and share best practices. Provide technical guidance and support to product teams utilizing the platform solutions. Maintain clear and detailed documentation for developed components and functionalities. You're ideal for this role if you have: Over 5 years of professional experience in front-end development with React. Strong expertise in JavaScript, TypeScript, NPM, and CSS. Proven experience in building and maintaining scalable front-end applications and NPM packages. Strong knowledge of unit and end-to-end testing (e.g., Jest, Testing Library, Cypress). Proficient use of the Git version control system, including managing branches and commits (rebase, cherry-pick, revert, squash, changing commit order and descriptions). Good understanding of accessibility principles (a11y), WCAG standards, and building accessible interfaces. Experience working with Jira, Confluence, and Bitbucket. It is a strong plus if you have: Experience working with design systems or contributing to their development. Knowledge of microfrontend architecture and integration challenges. Experience with hybrid mobile applications such as React Native, Capacitor, or WebView. Familiarity with AI tools or agents in software development projects. Language required for the role: Good command of Polish and Communicative English. Eligibility for the role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

Technology

Spyrosoft

Senior React Native developer

Senior

Remote

Wroclaw, DS, Poland

150 - 150 PLN

🏢 Summary: 4-month freelance contract for a Senior React Native Developer to build and maintain a cross-platform mobile application for iOS and Android based on an existing web platform. The role focuses on implementing new features, integrating APIs, optimizing performance, and contributing to architecture and code quality. The application supports monitoring and operational control of autonomous cleaning robots in large commercial facilities. 🗂️ Requirements: Availability from July 1st, 4+ years of commercial software development experience, Strong knowledge of React Native, Strong knowledge of TypeScript, Experience with REST API integrations, Understanding of App Store release processes, Understanding of Google Play release processes, Experience working in Agile teams, Proficiency with Git 📃 Skills: React, ReactNative, TypeScript, REST, Git, iOS, Android, Swift, Kotlin, CI/CD, Agile 🏢 Description: We are looking for an experienced Senior React Native Developer responsible for building and maintaining modern mobile applications for both iOS and Android platforms. The person in this role will collaborate closely with the project team on application architecture, implementation of new features, and performance optimization. This is a 6-month freelance contract (with a possibility of extension, though not guaranteed). Requirements: Availability starting July 1st 4+ years of commercial software development experience strong knowledge of React Native and TypeScript experience with REST API integrations understanding of App Store and Google Play release processes experience working in Agile teams good knowledge of Git Nice to have: experience with native iOS (Swift) or Android (Kotlin) development familiarity with CI/CD pipelines for mobile applications experienced in using AI tools in day-to-day workflow Responsibilities: Develop and maintain a cross-platform mobile application using React Native for iOS and Android. Implement new features based on the existing web application and business requirements. Collaborate with backend, web, QA, and product teams to ensure seamless integration and consistent user experience. Integrate REST APIs and real-time communication mechanisms. Optimize application performance, stability, and scalability. Participate in architecture discussions, code reviews, and technical decision-making. Troubleshoot, debug, and resolve application issues. Contribute to improving development standards, CI/CD processes, and overall code quality Project description: Development of a mobile application based on an existing web platform used for managing autonomous cleaning robots operating in shopping malls, airports, and other large commercial facilities. The application will support robot monitoring, task management, real-time status tracking, and operational control for end users.

Technology

ITDS

Senior React Developer

Senior

Remote

Warsaw, Poland

21,000 - 25,000 PLN

🏢 Summary: Senior React Developer role focused on building a modular, component-based UI platform for a core financial engine within a fully remote model. The position involves developing new features, integrations, and contributing to architectural decisions in an agile, fast-paced environment. The role requires strong ownership and collaboration within a small frontend team. 🗂️ Requirements: 5+ years of professional frontend development experience, Strong experience with React, Strong understanding of REST APIs, Strong knowledge of CSS, Experience with component-based UI design, Ability to manage complex tasks independently, Communicative Polish and English, Legal right to work in the European Union 📃 Skills: React, JavaScript, REST, CSS, Kubernetes, Grafana, Prometheus, Jira, Confluence 🏢 Description: Unleash the Power of Innovation - Build Next-Generation Financial Platforms! 100% remote work model As a Senior React Developer , you will be working for our client, a leading player in the financial industry, dedicated to creating cutting-edge, flexible, and scalable digital solutions. Join a team responsible for developing a core financial engine platform, delivering impactful UI components, and shaping the future of financial technology within an agile environment. Your main responsibilities: Develop and enhance a modular, component-based UI platform from scratch using React Collaborate closely with a small, autonomous frontend team to ensure seamless integration with the core financial engine Take ownership of tasks in a fast-paced environment, managing your workload proactively without direct oversight Implement new features and integrations, possibly connecting with other frontend systems, ensuring high performance and usability Contribute to the platform’s architecture and design decisions, ensuring adaptability and scalability You're ideal for this role if you have: 5+ years of professional experience in frontend development, particularly with React Strong understanding of REST APIs, CSS, and component-based UI design Experience working in autonomous teams, managing complex development tasks from start to finish Familiarity with Kubernetes, Grafana, Prometheus, Jira, and Confluence is a plus A proactive attitude with excellent problem-solving skills Language Required for the role: Communicative Polish and English levels Eligibility to work on this role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.