Senior React Developer

🏢 Summary: Senior React Developer role focused on building and maintaining modern, scalable web applications in a large international banking environment. The position involves developing high-quality, responsive frontend solutions, ensuring code quality, and supporting production systems within an Agile team. Long-term B2B contract with hybrid work model in Kraków. 🗂️ Requirements: Proven experience delivering web applications, Strong experience building rich frontend/UI layers, Excellent knowledge of React.js, Excellent knowledge of JavaScript, Excellent knowledge of TypeScript, Strong knowledge of HTML5, Strong knowledge of CSS3, Experience with CSS preprocessors (SASS or Less), Experience with Jest, Experience with React Testing Library, Experience creating pixel-perfect UI from detailed specifications, Experience designing responsive interfaces for desktop and mobile, Understanding of accessibility standards, Understanding of cross-browser compatibility, Knowledge of JSON, Knowledge of XML 📃 Skills: React, JavaScript, TypeScript, HTML5, CSS3, SASS, Less, Jest, ReactTestingLibrary, JSON, XML 🏢 Description: Location: Kraków, Poland Work model: Hybrid, 6 days per month in the Kraków office Recruitment process: Test + 1-hour live coding interview in React Contract : B2B, long-term About the role We are looking for a Senior React Developer to join the Business Services Digital team . The team delivers IT solutions and support for Business Services within a large-scale, international banking environment. This is a great opportunity for an experienced frontend engineer who enjoys building high-quality digital products, working in Agile teams, and contributing to modern, scalable web applications in a complex enterprise setting. Your responsibilities Design, develop, test, and implement modern web-based applications Build rich, responsive, and pixel-perfect user interfaces using React Maintain a delivery-oriented approach across application development and supporting software/data infrastructure Manage software releases and support existing systems in production Ensure code quality, maintainability, and full test coverage Contribute to and promote frontend best practices and engineering standards Mentor other team members through knowledge sharing and technical guidance Deliver solutions on time and within budget Follow internal development methodologies, security standards, and documentation requirements Drive productivity and quality improvement initiatives Coordinate releases through to Production Required experience Proven track record in delivering web applications Strong experience building rich frontend/UI layers Excellent knowledge of React.js Excellent knowledge of JavaScript and TypeScript Strong knowledge of HTML5 , CSS3 , and CSS preprocessors such as SASS or Less Experience with frontend testing frameworks such as Jest and React Testing Library Experience creating pixel-perfect UI based on detailed specifications Experience designing responsive interfaces for desktop and mobile applications Good understanding of accessibility and cross-browser compatibility Good knowledge of data marshalling/de-marshalling using JSON and XML Nice to have Experience working with Git Familiarity with IntelliJ and VS Code Good understanding of responsive web techniques Knowledge of Node.js / Express Experience designing digital products in the onboarding or banking domain What makes this opportunity interesting Work on impactful digital solutions in a global banking environment Join a mature engineering team focused on quality, delivery, and best practices Contribute to modern frontend development using React and TypeScript Competitive B2B rate

🏢 Summary: Senior React Front-End Developer role focused on building and maintaining scalable, platform-wide React libraries and components for a financial services environment. The position involves delivering high-quality, accessible, and performance-optimized front-end solutions aligned with a design system. You will collaborate with cross-functional teams to enhance shared components and support product teams with robust platform solutions. 🗂️ Requirements: 5+ years React frontend development experience, Strong JavaScript and TypeScript expertise, Experience building scalable frontend applications, Experience creating and maintaining NPM packages, Proficiency in unit and E2E testing, Advanced Git version control skills, Knowledge of WCAG accessibility standards, Experience with Jira Confluence Bitbucket, Good Polish and communicative English, Legal right to work in the EU 📃 Skills: React, JavaScript, TypeScript, NPM, CSS, Jest, TestingLibrary, Cypress, Git, WCAG, Jira, Confluence, Bitbucket, Microfrontend, ReactNative, Capacitor, WebView 🏢 Description: Unleash innovation at scale — shape the future of front-end technology! Warszawa-based opportunity with hybrid work model (2 days from the office) As a Senior React Front-End Developer – Financial Services , 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. Excellent command of writing and maintaining unit and E2E tests (e.g., Jest, Testing Library, Cypress). Proficiency in Git version control, including branch management and advanced operations (rebase, cherry-pick, revert, squash). Good understanding of Web Accessibility (WCAG standards) and inclusive design principles. 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. We offer you: ITDS Business Consultants is involved in many various, innovative and professional IT projects for international companies in the financial industry in Europe. We offer an environment for professional, ambitious, and driven people. The offer includes: Stable and long-term cooperation with very good conditions. Enhance your skills and develop your expertise in various industries. Work on the most strategic projects available in the market. Define your career roadmap and develop yourself in the best and fastest possible way by delivering strategic projects for different clients of ITDS over several years. Participate in Social Events, training, and work in an international environment. Access to attractive Medical Package. Access to Multisport Program. Access to Pluralsight. Flexible hours & remote work. You can report violations in accordance with ITDS’s Whistleblower Procedure available here . Ref. number 8871

🏢 Summary: Senior React Developer role in the banking sector focused on delivering scalable, high-quality front-end and platform solutions. The position involves building and maintaining reusable components, ensuring accessibility compliance, and implementing comprehensive unit and e2e testing. The developer will also support other teams with front-end best practices and technical expertise. 🗂️ Requirements: Minimum 5 years of professional experience, Experience in banking or financial sector, Very good knowledge of React, Very good knowledge of JavaScript, Very good knowledge of TypeScript, Very good knowledge of CSS, Experience in building scalable front-end applications, Experience in creating and maintaining NPM packages, Strong knowledge of unit testing, Strong knowledge of e2e testing, Ability to write and refactor tests using Jest, Testing Library, Cypress, Proficiency with Git, Knowledge of Accessibility (a11y) principles, Ability to build interfaces compliant with WCAG, Experience with Jira, Experience with Confluence, Experience with Bitbucket 📃 Skills: React, JavaScript, TypeScript, CSS, NPM, Jest, TestingLibrary, Cypress, Git, WCAG, Accessibility, Jira, Confluence, Bitbucket 🏢 Description: umowa: B2B stawka: 185 zł/h + VAT tryb: hybryda, 1 dzień w tygodniu (środa) z biura w Warszawie branża: bankowość Poszukujemy Senior React Developera, który posiada bardzo dobrą znajomość technologii webowych oraz umiejętność współpracy w zespole. Wymagana jest biegłość w React, JavaScript, TypeScript oraz CSS, a także znajomość testów jednostkowych i dobrych praktyk w zakresie dostępności. Idealny kandydat to osoba, która potrafi dostarczać wysokiej jakości rozwiązania techniczne oraz wspierać inne zespoły. Główne obowiązki Dostarczanie generycznych i platformowych rozwiązań dla zespołów front-endowych. Pisanie i utrzymanie testów jednostkowych oraz e2e. Dbanie o spójność i wysoką jakość dostarczanych rozwiązań. Naprawa błędów. Współpraca z innymi zespołami platformowymi i projektantami. Wsparcie merytoryczne zespołów w ramach szeroko rozumianego front-endu. Tworzenie i utrzymywanie dokumentacji. Kluczowe wymagania Minimum 5 lat doświadczenia zawodowego. Doświadczenie w sektorze bankowym/finansowym. Bardzo dobra znajomość React, JavaScript, TypeScript, NPM oraz CSS. Doświadczenie w tworzeniu i utrzymywaniu skalowalnych aplikacji front-endowych oraz paczek NPM. Bardzo dobra znajomość testów jednostkowych oraz e2e. Umiejętność samodzielnego pisania, utrzymywania i refaktoryzacji testów (np. Jest, Testing Library, Cypress). Biegła obsługa systemu kontroli wersji Git. Dobre rozumienie zasad dostępności (Accessibility / a11y). Umiejętność tworzenia interfejsów zgodnych z WCAG. Doświadczenie z pracą z Jira, Confluence, Bitbucket. Umiejętności mile widziane Doświadczenie w pracy z design systemami, zarówno w ich używaniu, jak i współtworzeniu we współpracy z zespołem projektowym. Doświadczenie w architekturze microfrontendów. Znajomość wyzwań związanych z podziałem aplikacji i integracją. Doświadczenie w pracy z hybrydowymi aplikacjami mobilnymi (np. WebView, React Native). Doświadczenie w pracy z agentami AI lub narzędziami opartymi o AI.

🏢 Summary: Senior Frontend Engineer role focused on building high‑performance React applications supporting a bank’s bonds and commodities systems. Fully remote position (Poland-based) within a core capital markets product team, working on actively developed trading and financial platforms. Opportunity to design scalable desktop applications and solve complex frontend engineering challenges in a long-term engagement. 🗂️ Requirements: 6+ years professional experience with React, Strong experience with JavaScript, Strong experience with TypeScript, Experience building desktop applications with React, Experience integrating with REST APIs, Strong analytical and problem-solving skills, Ability to work US Eastern hours during onboarding, Fluent English communication skills, Legal right to work in Poland, Willingness to pass background check 📃 Skills: React, JavaScript, TypeScript, OpenFin, Electron, REST, Java, HTML, CSS 🏢 Description: Are you a skilled React developer and are interested in capital markets? Join us to build new systems to support the bank’s bonds and commodities business. This role is a unique opportunity to shape new apps used daily as part of the bank’s capital markets product offering. If you thrive on feedback, iteration, and creating applications that are a pleasure to use, this position is for you. The Role at a Glance Senior Frontend Engineer with React expertise Fully remote for a top N. American bank (for residents of Poland only) Openings on multiple teams in the capital markets division Part of the core team - this is not a legacy support role or an outsourced B team We’re hiring experienced frontend engineers (6+ years) to join a major N. American bank, directly supporting the development of frontends for systems used to support the bank’s bonds and commodities business . This is not a legacy maintenance or support role — you’ll be part of the core product team , building highly-performant frontends used across the firm. Join us and work on interesting financial system engineering problems. Why Join Us? Join an actively developed system. The engineers who built it originally are still on the team. Collaborate with a world-class team of developers across North America and Europe. Enjoy the stability of a long-term, fully remote role that only a bank can offer. A successful candidate will be a very strong frontend programmer with current TypeScript development experience. They must also be curious, open-minded, and desire to learn new things. English proficiency is a must. This role is for developers who are good at programming, and not merely applying learned techniques . We’re looking for people who understand how things work and are not merely practitioners or technicians. If you’re fascinated by understanding systems ‘under the hood,’ this role is for you. Successful candidates enjoy geeking out on the internals and debugging application performance issues. This is a fully remote frontend React development role for a developer in Poland . You will be working through a Polish company that will provide the support and administrative assistance to make you successful in the role. We are looking for people to join the team long-term. To ensure efficient onboarding, you’ll work in sync with the American team during US Eastern business hours for the first two months . Working this way maximizes your time overlap for answering questions, which means you can learn quickly. That means working until 21:00 CET. After you demonstrate that you can work independently, you’ll have flexibility to shift closer to standard Polish business hours. Only open to residents of Poland. Polish citizens, as well as legal residents with permission to work in Poland are welcome. Role & Responsibilities Design, develop, and maintain desktop applications written in React in JavaScript and TypeScript using the OpenFin framework. Ensure high performance and reliability by writing well-structured code. Work with backend systems via REST APIs and data streaming. Ability to read backend Java code is a plus. Participate in team discussions and contribute to architectural decisions for improving system scalability and maintainability. What We’re Looking For Must-Haves 6+ years of professional experience with React and JavaScript/TypeScript . Strong analytical and problem-solving skills. Open mind, curiosity, and a strong desire to learn new technologies and business domains. Ability to clearly explain non-trivial systems and algorithms. Ability to follow and understand technical conversations. Humility to ask questions where necessary. Ability to align your working schedule to US Eastern business hours during onboarding. Nice-to-Haves Exposure to backend Java (reading backend code occasionally required). Experience developing with OpenFin, Electron, or similar desktop runtimes. Financial market experience. A computer science degree from a top Polish technical university. Interview Process Step 1: Written Programming exercise A short questionnaire and programming exercise to assess your skills. Step 2: Preliminary Interview Conducted in the Polish timezone , focusing on your experience and problem-solving skills. Step 3: Technical Interview (60 minutes) One-on-one interview with a team member in US Eastern timezone . Step 4: Final Round of 3 interview (2–2.5 hours) Three interviews in US Eastern timezone , covering coding, technical discussions, and system design. Successful candidates will need to pass a standard background check.

🏢 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.

🏢 Summary: Senior React Developer role focused on building and optimizing modern web applications using React, Angular, and TypeScript in a hybrid Warsaw-based environment. The position involves collaborating with cross-functional teams, implementing testing best practices, and working with micro front-end architectures and reactive programming. Candidates will contribute to scalable, high-performance digital products while leveraging modern front-end tools and frameworks. 🗂️ Requirements: 5+ years of front-end web development experience, Strong knowledge of React, Strong knowledge of TypeScript, Experience with Jest, Cypress, or Playwright, Experience building responsive web applications, Knowledge of micro front-end architectures, Experience with RxJS, Experience in agile SDLC environments, Ability to manage multiple projects, Legal right to work in the European Union 📃 Skills: React, Angular, TypeScript, Jest, Cypress, Playwright, RxJS, Webpack, Vite, Vitest, SSR, CSS-in-JS 🏢 Description: Unleash the Future of Web Applications — Drive Innovation with Cutting-Edge Front-End Technologies! Warsaw-based opportunity with hybrid work model (4 days per week in the office) As a Senior React Developer , you will be working for our client, a leader in web application innovation within the technology industry. You’ll contribute to building and executing challenging projects across a variety of initiatives, collaborating closely with stakeholders, UX designers, and development teams to transform requirements into high-impact deliverables. This role offers a unique chance to learn new technologies and continually elevate your skills while shaping the future of digital experiences. Your main responsibilities: Develop and maintain modern, dynamic web applications using React, Angular, and TypeScript. Collaborate with cross-functional teams to translate user requirements into clean, scalable code. Implement best practices in testing using Jest, Cypress, or Playwright to ensure quality and performance. Integrate micro front-end architectures and reactive programming techniques such as RxJS. Optimize applications for maximum speed, scalability, and responsiveness. Contribute to code reviews, documentation, and continuous improvement processes. Leverage modern build tools like Webpack and Vite to streamline development workflows. Stay updated on industry trends and introduce innovative solutions to technical challenges. You're ideal for this role if you have: 5+ years of hands-on experience in front-end web development. Strong expertise in React, TypeScript, and testing frameworks like Jest, Cypress, or Playwright. Proven ability to deliver rich, responsive web applications with clean code. Familiarity with micro front-end architectures and reactive programming, particularly RxJS. Experience working in agile SDLC environments, including research, design, and engineering phases. Excellent communication skills and ability to manage multiple projects simultaneously. Self-motivated, innovative mindset with strong organizational skills. It is a strong plus if you have: Bachelor's degree in Computer Science or related field. Experience with SSR, CSS-in-JS, Vite, Vitest, and Webpack. Knowledge of micro front-end development and advanced build pipelines. 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.

🏢 Summary: Senior React Developer role focused on building and optimizing modern, high-performance web applications using cutting-edge front-end technologies in a hybrid Warsaw-based setup. The position involves delivering scalable solutions, implementing testing best practices, and integrating micro front-end architectures. You will collaborate with cross-functional teams to create responsive, high-quality digital products. 🗂️ Requirements: 5+ years of front-end web development experience, Strong expertise in React and TypeScript, Experience with testing frameworks: Jest, Cypress, or Playwright, Experience building responsive, scalable web applications, Knowledge of micro front-end architectures, Experience with reactive programming and RxJS, Experience with modern build tools, Experience working in Agile SDLC environments, Legal right to work in the European Union 📃 Skills: React, Angular, TypeScript, JavaScript, Jest, Cypress, Playwright, RxJS, Webpack, Vite, Vitest, SSR, CSS-in-JS, Microfrontends, HTML, CSS 🏢 Description: Unleash the Future of Web Applications — Drive Innovation with Cutting-Edge Front-End Technologies! Warsaw-based opportunity with hybrid work model (4 days per week in the office) As a Senior React Developer , you will be working for our client, a leader in web application innovation within the technology industry. You’ll contribute to building and executing challenging projects across a variety of initiatives, collaborating closely with stakeholders, UX designers, and development teams to transform requirements into high-impact deliverables. This role offers a unique chance to learn new technologies and continually elevate your skills while shaping the future of digital experiences. Your main responsibilities: Develop and maintain modern, dynamic web applications using React, Angular, and TypeScript. Collaborate with cross-functional teams to translate user requirements into clean, scalable code. Implement best practices in testing using Jest, Cypress, or Playwright to ensure quality and performance. Integrate micro front-end architectures and reactive programming techniques such as RxJS. Optimize applications for maximum speed, scalability, and responsiveness. Contribute to code reviews, documentation, and continuous improvement processes. Leverage modern build tools like Webpack and Vite to streamline development workflows. Stay updated on industry trends and introduce innovative solutions to technical challenges. You're ideal for this role if you have: 5+ years of hands-on experience in front-end web development. Strong expertise in React, TypeScript, and testing frameworks like Jest, Cypress, or Playwright. Proven ability to deliver rich, responsive web applications with clean code. Familiarity with micro front-end architectures and reactive programming, particularly RxJS. Experience working in agile SDLC environments, including research, design, and engineering phases. Excellent communication skills and ability to manage multiple projects simultaneously. Self-motivated, innovative mindset with strong organizational skills. It is a strong plus if you have: Bachelor's degree in Computer Science or related field. Experience with SSR, CSS-in-JS, Vite, Vitest, and Webpack. Knowledge of micro front-end development and advanced build pipelines. 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.

🏢 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.

🏢 Summary: Senior Frontend React Developer role focused on building and optimizing advanced UI applications with generative AI features in an enterprise environment. The position involves collaborating with cross-functional teams to deliver high-quality, user-centric solutions and integrating CI/CD and AI operational workflows. Hybrid work model based in Warsaw. 🗂️ Requirements: 4+ years of experience in React development, 4+ years of experience in JavaScript development, Strong knowledge of DevOps practices, Hands-on experience with Jira, Hands-on experience with GitLab, Hands-on experience with OpenShift, Proficiency in Linux, Experience with unit testing, Experience with system testing, Fluent Polish, Fluent English, Legal right to work in Europe 📃 Skills: React, JavaScript, DevOps, Jira, GitLab, OpenShift, Linux, CI/CD, Agile, Scrum, AI, Testing 🏢 Description: Empower innovation at the forefront of UI and AI technology — craft impactful user experiences that shape the future! Warszawa-based opportunity with hybrid work model (up to 2 remote days per week). As a Senior Frontend React Developer , you will be working for our client, a leader in enterprise software solutions, focusing on delivering cutting-edge UI and generative AI services. Join a collaborative, agile team committed to creating high-quality, user-centric applications that drive digital transformation and innovation. Your main responsibilities: Develop and optimize complex frontend applications using React and JavaScript, ensuring seamless user experiences Collaborate with cross-functional teams including data scientists and DevOps to deliver innovative UI solutions, including generative AI features Confirm technical designs, troubleshoot issues, and implement best practices for code quality and performance Contribute to the integration of CI/CD pipelines and operational workflows involving AI services Participate actively in Agile/Scrum ceremonies, promoting effective teamwork and continuous improvement You're ideal for this role if you have: 4+ years of proven experience in React and JavaScript development Strong understanding of DevOps practices with hands-on experience using Jira, GitLab, and OpenShift Proficiency in Linux OS and performing unit and system testing Excellent command of English, both written and spoken Ability to independently deliver high-quality code and confirm technical designs It is a strong plus if you have: (optional) Experience working with financial data, including Market Data and Reference Data Full-stack development expertise Knowledge of CI/CD pipelines and generative AI operational workflows Language Required for the role: Fluent in Polish and English Eligibility for the role: Only candidates with an existing legal right to work in Europe 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.

🏢 Summary: Senior JavaScript React Developer role focused on building and maintaining high-performance frontend solutions for large-scale, multi-country eCommerce platforms. The position involves developing modern applications with React.js and Next.js, contributing to a multisite Drupal transition, and driving best practices across the full development lifecycle. The role requires close collaboration with cross-functional and international teams in a hybrid work setup. 🗂️ Requirements: Strong experience with React.js and Next.js (SSG/SSR, i18n, performance optimization), Proficiency in JavaScript and TypeScript, Strong knowledge of HTML5, CSS/SCSS, Tailwind, Experience with REST and GraphQL APIs, Experience with Git and CI/CD pipelines, Knowledge of Docker and Kubernetes, Experience with cloud platforms (AWS or Azure or GCP), Understanding of headless or decoupled architecture, Experience with performance optimization and scalable frontend architecture, Knowledge of WCAG accessibility standards, Experience working in Agile/Scrum environment, English level B2 or higher 📃 Skills: React, Next.js, JavaScript, TypeScript, HTML5, SCSS, Tailwind, REST, GraphQL, Git, Jira, Figma, Confluence, Docker, Kubernetes, GitLab, AWS, Azure, GCP, Drupal, jQuery, CI/CD, WCAG, Scrum, AJAX 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting-edge technologies that shape the world of the future. For our client, we are looking for a Senior JavaScript React Developer to join our client's Website & eCommerce team. In this role, you will be responsible for building and maintaining modern, high-performance frontend solutions using React.js and Next.js. You will collaborate closely with designers, backend developers, and international stakeholders while driving best practices across the development lifecycle. You will play a key role in the evolution of large-scale, multi-country digital platforms and contribute to the transition toward a new multisite Drupal platform planned for 2026. Project information: Location: Warsaw, Poland Work Setup: Hybrid work (2 - 3 days/ week in the office) Rate: 125 PLN/net/h + VAT (B2B contract) Language: English (B2+ Required) Start date: depending on candidate availability Project scope: Develop and maintain frontend components using React.js and Next.js (SSG/SSR, i18n, performance optimization) Build and support custom CMS modules, plugins, and integrations Contribute to all phases of the software development lifecycle: design, development, testing, deployment, and maintenance Drive and promote best practices, including test-driven development, CI/CD, SCRUM, refactoring, and code standards Collaborate closely with UX/UI designers and frontend/backend developers to deliver intuitive and visually appealing user experiences Ensure website content is easily editable by non-technical users Optimize applications for performance, scalability, and accessibility (WCAG) Work with distributed international teams and key stakeholders Stay up to date with emerging frontend technologies and industry trends Requirements: Technical Skills: Frontend: Strong skills in React.js and Next.js (SSG/SSR, i18n, performance optimization). Languages: JavaScript/TypeScript, HTML5, SCSS/Tailwind. APIs: REST, GraphQL. Tooling: Jira, Git, Figma, Confluence. Architecture (Preferred): Headless, Decoupled, Micro Frontends, Component-based design. Cloud & DevOps: Docker, Kubernetes, GitLab CI/CD, AWS/Azure/GCP. Competences: Strong front-end skills: HTML, CSS, JavaScript, jQuery, plus modern frameworks (React, Next.js). Understanding of the entire web development process (design, development, deployment). Good understanding of asynchronous request handling, partial page updates, and AJAX. Proficient in cross-browser compatibility and scalable application design principles. Experience with data migration, transformation, and scripting. Familiarity with Agile and Scrum methodologies. Prior experience with digital accessibility (WCAG) We offer: Full-time job agreement based on B2B Private medical care with dental care (covering 70% of costs) + rehabilitation package. Family package option possible Multisport card (also for an accompanying person) Life insurance