React Developer Job at Cshark (Wrocław)

Frontend Developer (React Native)

Andersen, an international IT company, invites a Frontend Developer (React Nativ...

Location

Salary:

Not provided

Andersen

Expiration Date

Until further notice

Requirements

Experience in mobile development for 4+ years, including experience in React Native for 2+ years
Proficiency in JavaScript (ES6+) and TypeScript
Hands-on experience with GraphQL, including queries, mutations, and Apollo Client
Practical knowledge of native development using Kotlin (Android) and Swift (iOS)
Understanding of bridging between React Native and native modules
Experience working with mobile build tools such as Gradle, Xcode, and Fastlane
Familiarity with state management libraries such as Redux, Recoil, MobX, or Zustand
Experience with Git, CI/CD pipelines, and app distribution via the App Store and Google Play
Level of English – from Intermediate+ and above

Job Responsibility

Developing and maintaining cross-platform mobile applications using React Native
Building native modules and integrations in Kotlin (Android) and Swift (iOS)
Implementing and consuming GraphQL APIs for efficient data management
Collaborating closely with backend, design, and QA teams to deliver high-quality mobile experiences
Ensuring app performance, responsiveness, and platform-specific optimization
Participating in code reviews, architecture discussions, and sprint planning
Writing unit and integration tests to ensure app stability and maintainability

What we offer

Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others
The opportunity to change the project and/or develop expertise in an interesting business domain
Guarantee of professional, financial, and career growth
The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities
Access to the corporate training portal
Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies)
Certification compensation (AWS, PMP, etc)
Referral program
English courses
Private health insurance and compensation for sports activities

React Native Developer

Fyld is a Portuguese consulting company specializing in IT services. We bring hi...

Location

Portugal , Lisboa

Salary:

Not provided

Fyld

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Computer Science, Software Engineering, or a related
Relevant certifications in mobile development or React Native are advantageous
Minimum of 3 years of experience as a React Native Developer or in a similar role
Proven track record of developing and deploying mobile applications using React Native
Strong proficiency in React Native and its core principles
Experience with popular React Native libraries and APIs
Proficiency in JavaScript (ES6+) and experience with TypeScript
Familiarity with JavaScript build tools and module bundlers such as Webpack, Babel, or Metro
Experience in developing mobile applications for both iOS and Android platforms
Knowledge of mobile UI design principles, patterns, and best practices

Fulltime

Java full stack Developer with React js

The Applications Development Intermediate Programmer Analyst is an intermediate ...

Location

India , Chennai

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

2-5 years of relevant experience in the Financial Service industry
Intermediate level experience in Applications Development role
Consistently demonstrates clear and concise written and verbal communication
Demonstrated problem-solving and decision-making skills
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
Bachelor's degree/University degree or equivalent experience

Job Responsibility

Utilize knowledge of applications development procedures and concepts to identify and define necessary system enhancements
Consult with users, clients, and other technology groups on issues and recommend programming solutions
Apply fundamental knowledge of programming languages for design specifications
Analyze applications to identify vulnerabilities and security issues
Conduct testing and debugging
Serve as advisor or coach to new or lower level analysts
Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
Resolve issues by identifying and selecting solutions through acquired technical experience
Operate with limited level of direct supervision
Exercise independence of judgement and autonomy

Fulltime

Java Full Stack Developer with React js

The Applications Development Intermediate Programmer Analyst is an intermediate ...

Location

India , Pune

Salary:

Not provided

Citi

Expiration Date

Until further notice

Requirements

2-5 years of relevant experience in the Financial Service industry
Intermediate level experience in Applications Development role
Consistently demonstrates clear and concise written and verbal communication
Demonstrated problem-solving and decision-making skills
Ability to work under pressure and manage deadlines or unexpected changes in expectations or requirements
Bachelor's degree/University degree or equivalent experience

Job Responsibility

Utilize knowledge of applications development procedures and concepts to identify and define necessary system enhancements
Consult with users, clients, and other technology groups on issues and recommend programming solutions
Apply fundamental knowledge of programming languages for design specifications
Analyze applications to identify vulnerabilities and security issues
Conduct testing and debugging
Serve as advisor or coach to new or lower level analysts
Identify problems, analyze information, and make evaluative judgements to recommend and implement solutions
Resolve issues by identifying and selecting solutions through acquired technical experience
Operate with limited level of direct supervision
Exercise independence of judgement and autonomy

Fulltime

React native developer

Devico is looking for a motivated and talented React Native Developer with comme...

Location

Salary:

Not provided

Devico

Expiration Date

Until further notice

Requirements

5+ years of professional experience in mobile development, with at least 3 years in React Native
Expertise in JavaScript (ES6+), TypeScript, and mobile development best practices
Proven track record of designing and implementing mobile applications with a focus on performance, scalability, and reliability
Experience working with complex state management tools such as Redux, MobX, or Context API
Deep understanding of native mobile development (Android/iOS) and how React Native bridges native and JavaScript code
Strong experience with RESTful APIs and backend service integration
Familiarity with CI/CD processes for mobile app deployment
Experience in leading a team or mentoring other developers, with a strong focus on code quality and best practices
Excellent problem-solving skills and a proactive approach to finding solutions
Strong communication skills with the ability to collaborate effectively in a remote environment

Job Responsibility

Lead the development and optimization of our mobile application using React Native for both iOS and Android platforms
Architect scalable and maintainable mobile solutions that integrate seamlessly with backend services
Collaborate with cross-functional teams (backend, design, product) to drive the technical roadmap and ensure cohesive development efforts
Mentor and provide guidance to junior developers, ensuring best coding practices are followed
Take ownership of the mobile application’s full development lifecycle, from design and architecture through to deployment and post-launch support
Identify performance bottlenecks, troubleshoot issues, and optimize the app for scalability and speed
Stay ahead of the latest developments in mobile technologies, recommending and implementing new tools and frameworks where appropriate

Fulltime

Senior React Native Developer

The Senior Developer at Founders Workshop helps clients bring their visions to l...

Location

United States

Salary:

Not provided

Founders Workshop

Expiration Date

Until further notice

Requirements

4+ years working with React Native
2+ Typescript experience
Flexible and responsive to changing requirements
Responsive to stakeholders needs and pain points
Detailed oriented: Ensures that every aspect of the development is of high quality, functional, and aesthetically pleasing, enhancing the usability and security of the final product
Based in Latin America (LATAM) to align with our team’s time zone and collaboration needs
Proficient in conversational English (B2 to C1 level)
Adaptable: You are quick to adjust to new challenges and changes in project requirements, ensuring seamless transitions
Reliable Communicator: Your proactive and clear communication style ensures that all stakeholders are informed and engaged. You're meticulous in your work, always aiming to meet and exceed stakeholder expectations

Job Responsibility

Use requirements from product manager to develop features that clients will love
Use best practices to create great code
Connect with your remote team daily to coordinate activities
Keep your team in the loop with the latest updates to your tasks
Ask questions and make suggestions so we can deliver the best software to our clients
Carefully analyze requirements and test scripts
Assist in planning and scope management
Collaborate with project leadership and team members
Identify blockers and potential blockers so the team moves quickly and effectively
Test code locally and participate in weekly code reviews

What we offer

Frontline of Innovation: Immerse yourself in a vibrant workplace that’s constantly adopting new technologies and exploring the potential of AI
Team Synergy: Work alongside a top-tier team where open and honest communication enhances our collaborative efforts to achieve outstanding results
Challenging Projects: Take pride in overcoming complex challenges and delivering solutions that set new benchmarks in the tech startup landscape
Industry Exposure: Benefit from opportunities to apply your skills across different sectors, enhancing your versatility and knowledge base
Remote Flexibility: Enjoy the flexibility of remote work along with our commitment to your career development and long-term success

Frontend Developer (React)

Andersen is looking for a Frontend Developer (React) for a large eCommerce proje...

Location

Salary:

Not provided

Andersen

Expiration Date

Until further notice

Requirements

Experience in React application development for 5+ years
Experience in front-end HTML development (Vanilla-JS, HTML5, CSS) for 5+ years
Proficiency in modern CSS frameworks (Tailwind/Bootstrap) and CSS3 (Flexbox/Grid Layouts)
Experience working with module bundlers and transpilers
Proficiency in developing single-page applications
Experience with patterns and state management libraries (Redux/Vuex)
Experience with API integration and API Mocking
Experience with UI design management tools (Figma/Sketch/Invision)
Familiarity with continuous integration and deployment (CI/CD) practices
Strong problem-solving skills and attention to detail

Job Responsibility

Developing and maintaining React.js applications
Writing clean, efficient, and well-documented code
Collaborating with the team to understand project requirements and specifications
Integrating third-party APIs and services
Troubleshooting, debugging, and resolving technical issues
Implementing security and data protection measures
Optimizing application performance and scalability
Conducting code reviews and providing constructive feedback to team members
Ensuring code quality through different types of testing and continuous integration

What we offer

Experience in teamwork with leaders in FinTech, Healthcare, Retail, Telecom, and others
The opportunity to change the project and/or develop expertise in an interesting business domain
Guarantee of professional, financial, and career growth
The opportunity to earn up to an additional 1,000 USD per month, depending on the level of expertise, which will be included in the annual bonus, by participating in the company's activities
Access to the corporate training portal
Bright corporate life (parties / pizza days / PlayStation / fruits / coffee / snacks / movies)
Certification compensation (AWS, PMP, etc)
Referral program
English courses
Private health insurance and compensation for sports activities

React Native Developer

Join us as a React Native Developer at Barclays, where you will be responsible f...

Location

India , Pune

Salary:

Not provided

Barclays

Expiration Date

Until further notice

Requirements

Build responsive, accessible React Native components and screens with TypeScript/JavaScript, Redux state management and robust navigation patterns
Integrate secure authentication flows (OAuth2/JWT, biometrics SDKs) and partner SDKs
handle secure storage and token lifecycles
Consume RESTful APIs
collaborate closely with backend (Java/Spring Boot) on contract-first designs and error handling
Optimize performance (lazy loading, code splitting, profiling) and ensure crashfree stability across Android/iOS
Uphold OWASP secure coding principles, accessibility and observability practices
Participate in code reviews, unit/UI testing, sprint ceremonies and release activities
Must Have Skills - React Native, React 18, TypeScript/JavaScript, Redux
mobile UI/UX

Job Responsibility

Support the successful delivery of location strategy projects to plan, budget, agreed quality and governance standards
Spearhead the evolution of our digital landscape, driving innovation and excellence
Harness cutting-edge technology to revolutionise our digital offerings, ensuring unparalleled customer experiences
Design and develop customer-facing mobile features using React Native with strong focus on security, performance and reliability
Collaborate with Java/API teams and SDETs to ship high quality increments in agile sprints
Development and delivery of high-quality software solutions by using industry aligned programming languages, frameworks, and tools
Ensuring that code is scalable, maintainable, and optimized for performance
Cross-functional collaboration with product managers, designers, and other engineers to define software requirements, devise solution strategies, and ensure seamless integration and alignment with business objectives
Collaboration with peers, participate in code reviews, and promote a culture of code quality and knowledge sharing
Stay informed of industry technology trends and innovations and actively contribute to the organization’s technology communities to foster a culture of technical excellence and growth

What we offer

Competitive holiday allowance
Life assurance
Private medical care
Pension contribution

Fulltime

React Developer

Cshark

Location:
Poland , Wrocław ▼
Bielsko-Biała

Category:
IT - Software Development

Contract Type:
B2B

Salary:

Job Description:

Job Responsibility:

Requirements:

Nice to have:

Additional Information:

Job Posted:
December 08, 2025

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