Middle React Software Engineer

🏢 Summary: Mid/Senior React Developer role focused on end-to-end frontend feature delivery using strict TypeScript, shared cross-platform architecture, and AI-augmented workflows. The position emphasizes monorepo-based unified codebases, strong testing discipline, performance optimization aligned with Core Web Vitals, and secure coding practices. The developer owns code quality, performance, and maintainability across Web and Mobile platforms. 🗂️ Requirements: Strong React experience with lifecycle and hooks, Production experience with strict TypeScript, Experience with monorepo tools (Turborepo or Nx), Ability to build shared cross-platform components and abstractions, Unit and integration testing with Vitest or Jest, Proficiency with React Testing Library, Understanding of Core Web Vitals (LCP, INP, CLS) optimization, Experience with performance profiling and optimization techniques, Knowledge of OWASP Top 10 and frontend security practices, Experience using AI tools or agents to enhance development workflow 📃 Skills: React, TypeScript, JavaScript, Turborepo, Nx, Vitest, Jest, TestingLibrary, AI, LCP, INP, CLS, OWASP, ReactNative, Monorepo, WebPerformance, Security 🏢 Description: We are seeking a skilled Mid/Senior React Developer to join our team. Responsibilities Feature Delivery & Code Quality Own end-to-end delivery of frontend features from UI/UX implementation to complex business logic. Write production-grade TypeScript with strict type safety and comprehensive test coverage Participate in code reviews with a focus on maintainability, performance, security, and accessibility. Unified Codebase Contribution Develop shared components, hooks, and utilities that work across Web and Mobile platforms Ensure code reusability through proper abstraction and monorepo discipline Collaborate with architects to identify opportunities for cross-platform unification Document patterns and decisions for team knowledge sharing AI-Augmented Development Leverage AI-powered workflows to accelerate repetitive tasks: refactoring, test generation, code profiling Use agents for code review assistance, documentation generation, and debugging Continuously optimize your development velocity through appropriate AI tooling Share effective workflows with the team to elevate collective productivity Performance Ownership Treat performance as an architectural constraint, not a post-hoc optimization Monitor and improve Core Web Vitals (LCP, INP, CLS) for web applications Qualifications React Production Experience Deep understanding of React lifecycle, hooks patterns, and performance optimization. Experience with strict TypeScript in real codebases. AI Augmentation Proficiency Demonstrated experience using AI agents to enhance development workflow. Ability to articulate specific examples of how you've used AI tools to improve productivity Understanding of when AI assistance adds value and when manual approaches are more appropriate. Familiarity with agent orchestration concepts beyond basic autocomplete. Monorepo & Unified Codebase Mindset Experience with Turborepo, Nx, or similar tools. Understanding of shared logic, types, and component patterns across platforms. Testing Discipline Unit and integration testing with Vitest or Jest. React Testing Library proficiency. Commitment to maintaining test coverage on critical paths. Performance Engineering Mindset Understanding of Core Web Vitals (LCP, INP, CLS) and their optimization strategies. Ability to articulate the business impact of performance. Experience with performance budgets, profiling tools, and optimization techniques. For candidates declaring React Native experience: awareness of bridge overhead, list virtualization, and memory management. Security Awareness Understanding of OWASP Top 10 and common frontend security vulnerabilities. Secure coding practices for authentication, authorization, and data handling. Awareness of dependency security and supply chain risks. Language Skills & others English B2+ (mandatory) for technical documentation and cross-team collaboration. Readiness to work from our Warsaw office at least 1 day per week. Benefits Unique TEAL culture, relationship- and respect-driven community, non-corporate atmosphere. Agile approach and no bureaucracy. Outstanding integration trips to various places in Europe for all employees. Activities to support your well-being and health. Luxmed Gold Extended medical care and Multisport Plus benefit. Engagement in innovative projects within a supportive and collaborative environment. Flexible working arrangements to promote work-life balance. Access to modern tools and technologies to enhance productivity.

🏢 Summary: Mid-Level React UI Engineer role focused on building AI-driven productivity tools within a global banking environment. The position involves developing responsive, user-centric interfaces, integrating APIs, and collaborating closely with product and design teams. You will contribute to modern, scalable front-end solutions that support AI and machine learning initiatives. 🗂️ Requirements: 4+ years of front-end development experience, Strong experience with React.js, Strong UX/UI design and prototyping skills, Experience with API integration and backend services, Solid knowledge of modern CSS and JavaScript, Ability to translate wireframes into functional interfaces, Fluent English (spoken and written), Legal right to work in the European Union 📃 Skills: React, JavaScript, CSS, HTML, APIs, UX, UI, Prototyping, Wireframing 🏢 Description: Unleash innovation at the forefront of AI productivity — shape the future of intelligent interfaces! Krakow-based opportunity with hybrid work model. As a Mid-Level React UI Engineer , you will be working for our client, a global banking organization, contributing to the development of cutting-edge AI-driven productivity tools within a dedicated AI Management and Strategy team. You will play a key role in building responsive, user-centric interfaces that empower colleagues to harness the full potential of artificial intelligence and machine learning initiatives, driving impactful digital transformation. Your main responsibilities: Build and enhance responsive user interfaces using React.js to deliver seamless user experiences Rapidly prototype and iterate new features focusing on UX design principles Collaborate closely with product managers and design teams to refine interface usability and aesthetics Integrate APIs and backend services to ensure robust functionality Apply modern CSS and JavaScript best practices to produce clean, efficient code Utilize wireframes and mockups created with design tools to align with project requirements You're ideal for this role if you have: 4+ years of experience in front-end development, specifically with React.js Strong skills in UX/UI design and prototyping Proven experience in API integration and working with backend services Solid understanding of modern CSS and JavaScript standards Ability to translate design wireframes into functional interfaces It is a strong plus if you have: (optional) Experience with AI/ML or productivity tools development Knowledge of TypeScript or related technologies Language Required for the role: Fluent English (spoken and written) 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: Mid Frontend React Developer role focused on building AI-powered enterprise web applications using React, Next.js, and TypeScript. The position involves developing scalable user interfaces, integrating backend APIs, and improving performance and usability in collaboration with cross-functional teams. The offer includes access to modern AI development tools, stock options, and work on production AI products used by enterprise customers. 🗂️ Requirements: 2–5 years of frontend development experience, React, JavaScript, TypeScript, Next.js or modern React framework, REST APIs, Asynchronous data fetching, Modern CSS solutions, Responsive design, Cross-browser compatibility, Reusable frontend code, Git, Modern development workflows, AI coding tools, English B2+ 📃 Skills: React, Next.js, TypeScript, JavaScript, REST, Tailwind, CSS, Git, Copilot, ChatGPT, Claude, SWR, ReactQuery, Node.js, Python, Playwright, Cypress, AWS, Highcharts 🏢 Description: About Us Many companies want to use AI agents, but these tools often struggle with real business tasks. We build a platform that helps AI understand company knowledge, workflows, and processes, enabling it to provide accurate and reliable answers. Our technology is trusted by large international companies and integrates with leading AI and cloud platforms. Our mission is to help people find better answers and make better decisions with AI. About the Role We are looking for a Mid Frontend React Developer to help build modern web applications that make enterprise AI intuitive and reliable. You'll work closely with experienced frontend engineers, designers, backend developers, and product managers to create fast, responsive, and scalable user experiences. You'll contribute to new features, improve existing functionality, and gain hands-on experience building AI-powered products used by enterprise customers. What You Will Do - Build and maintain modern web applications using React, Next.js, and TypeScript. - Develop user interfaces for AI-powered features such as chat, search, and knowledge management. - Create reusable UI components and contribute to our design system. - Integrate frontend applications with backend APIs and real-time data. - Improve application performance, responsiveness, and user experience. - Write clean, maintainable, and well-tested code. - Participate in code reviews and collaborate with engineers, designers, and product managers. - Use AI development tools to improve productivity and software quality. - Learn from production feedback and continuously improve existing features. Requirements - 2–5 years of experience building modern frontend applications. - Good knowledge of React, JavaScript, and TypeScript. - Experience with Next.js or another modern React framework. - Experience working with REST APIs and asynchronous data fetching. - Familiarity with modern CSS solutions such as Tailwind CSS, CSS Modules, or CSS-in-JS. - Understanding of responsive design and cross-browser compatibility. - Experience writing maintainable, reusable frontend code. - Familiarity with Git and modern development workflows. - Experience using AI coding tools such as GitHub Copilot, Claude Code, ChatGPT, or similar. - English at B2 level or higher. Nice to Have - Experience with React Flow, Highcharts, or similar visualization libraries. - Familiarity with SWR, React Query, or similar data-fetching libraries. - Basic knowledge of Node.js or Python. - Experience working with AI-powered applications, chat interfaces, or search experiences. - Familiarity with Playwright, Cypress, or other frontend testing frameworks. - Basic understanding of accessibility and Core Web Vitals. - Experience with AWS or other cloud platforms. What We Offer - 18,000–23,000 PLN B2B (depending on experience). - Company stock options. - MacBook Pro. - Modern technology stack. - Opportunity to contribute to open-source projects. - Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, v0, MCP Servers, and credits for testing new AI technologies. - The opportunity to work on production AI products used by enterprise customers. - A collaborative engineering culture focused on learning, mentorship, and continuous improvement. Our Values - Quality - We build software with care and attention to detail. - Momentum - We move quickly, learn continuously, and improve through iteration. - Accountability - We take ownership of our work and communicate openly. - Hard Work - We solve challenging problems together and support one another. - Learning - We stay curious, embrace feedback, and continuously grow. - Adaptability - We welcome change and see new challenges as opportunities. - Teamwork - We collaborate, share knowledge, and celebrate success together.

🏢 Summary: Frontend engineering role focused on building scalable, high-performance web applications using React and Next.js. The position involves developing modern user interfaces, collaborating with cross-functional teams, and contributing to shared component architecture and development practices. Suitable for mid-level to senior developers with strong web development experience. 🗂️ Requirements: 5+ years frontend/web development experience, Strong experience with React, Strong experience with TypeScript, Experience with Next.js or similar framework, Understanding of performance and scalability principles, Experience integrating APIs and backend services, Experience with Git version control, Experience with CI/CD pipelines 📃 Skills: React, Next.js, TypeScript, JavaScript, HTML, CSS, REST, Git, CICD, Jest, Playwright, Cypress, Cloud 🏢 Description: Web Frontend Engineer (React / Next.js) Do you want to help shape modern, scalable web applications used by thousands of businesses worldwide? Our client is looking for a skilled frontend developer with a strong focus on web technologies — especially React and Next.js — to help drive the development of high-quality, user-centric solutions. About the Role In this role, you will play a key part in building and evolving our clients web-based user interfaces. You’ll work closely with product managers, UX designers, and backend engineers to deliver performant, scalable, and intuitive solutions that create real value for customers. We are looking for developers across different seniority levels — both experienced profiles and developers with 5–10 years of experience who are eager to grow and take ownership. Key Responsibilities Develop and maintain modern web applications using React, Next.js, and TypeScript Build reusable components and scalable frontend architecture Collaborate closely with product and design teams to translate requirements into high-quality user experiences Ensure performance, accessibility, and responsiveness across applications Contribute to and evolve shared component libraries and design systems Participate in code reviews and contribute to improving development practices Work with CI/CD pipelines and modern development workflows Stay updated on frontend trends, tools, and best practices Key Requirements Solid experience with React and TypeScript in a web context Experience with Next.js or similar frameworks is highly preferred 5+ years of experience in frontend/web development (we are open to mid-level and senior profiles) Strong understanding of modern web development principles (performance, scalability, component architecture) Experience working with APIs and integrating backend services Familiarity with version control (Git) and CI/CD pipelines A collaborative mindset and strong communication skills Motivation to learn, improve, and contribute to a strong engineering culture Nice to Have Experience with design systems and component libraries Knowledge of testing frameworks (e.g., Jest, Playwright, Cypress) Experience with performance optimization and monitoring Exposure to cloud environments and modern deployment setups

🏢 Summary: Mid-level Frontend React Developer role focused on building and scaling high-performance web applications in the lottery domain. The position involves developing modern, responsive user interfaces, managing application state, and integrating with REST APIs within a collaborative team environment. 🗂️ Requirements: Commercial experience as Mid-level Frontend Developer in React ecosystem, Strong knowledge of React.js, Strong knowledge of TypeScript, Strong knowledge of JavaScript ES6+, Experience with HTML5, Experience with CSS3, Experience with SCSS, Practical experience with React Hooks, Experience with state management (Redux, Zustand, or ContextAPI), Experience with REST API integration, Understanding of Responsive Web Design, Experience with Git and GitHub 📃 Skills: React, TypeScript, JavaScript, HTML5, CSS3, SCSS, Redux, Zustand, ContextAPI, Git, GitHub, REST, RWD, Storybook, Cypress, Next.js, ReactNative, Three.js, WCAG, AgilityCMS, AWS, Azure 🏢 Description: We are seeking a Frontend React Mid Developer to build and scale modern, high-performance frontend applications for a client in the lottery industry. Our expectations Commercial experience as a Frontend Developer (Mid level) specializing in the React ecosystem; Strong knowledge of React.js, TypeScript, and JavaScript (ES6+); Knowledge of and experience working with HTML5, CSS3, and SCSS; Practical experience with React Hooks; Experience in application state management (Redux, Zustand, or Context API); Proficiency with Git version control and the GitHub platform; Experience in REST API integration, as well as a solid understanding of Responsive Web Design and component-driven development; English language skills at a level that allows fluent communication (B2). Readiness to work in a hybrid workmodel in a client's office (Warsaw), fostering a collaborative and engaging team environment. Welcome Skills Familiarity with component testing and documentation tools (Storybook, Cypress); Experience with the Next.js framework or React Native technology; Knowledge of 3D graphics libraries (Three.js) and accessibility standards (WCAG); Experience working with Headless CMS systems (e.g., Agility CMS); Basic knowledge of or exposure to cloud environments (AWS or Azure). Key tasks Create and develop frontend applications using the React library, TypeScript, and modern JavaScript (ES6+); Design and implement reusable UI components and efficiently manage application states; Collaborate with the backend team and integrate applications with APIs (REST API); Create responsive and polished user interfaces (RWD) using HTML5, CSS3, and SCSS; Use the Git/GitHub version control system in daily team collaboration; Maintain high code quality, apply best programming practices, and participate in the code review process; Collaborate with the cross-functional team (developers, testers, designers) to optimize application performance.

🏢 Summary: Long-term B2B contract for a Mid Frontend React Developer to build responsive UI for a productivity tool based on LLM and Generative AI within an international financial environment. The role focuses on React development, rapid prototyping with strong UX emphasis, and API integration in a hybrid work model. Cooperation with product and design teams to enhance user experience. 🗂️ Requirements: Commercial experience with React.js, Experience building responsive user interfaces, Experience in rapid prototyping with UX focus, Experience integrating APIs and backend services, Strong knowledge of modern CSS practices, Strong knowledge of modern JavaScript, Ability to work hybrid – 6 days per month in Kraków office, English level B2/C1, Maximum 1-month notice period 📃 Skills: React, JavaScript, CSS, HTML, API, REST, UX, Wireframing, Mockups, LLM, GenerativeAI 🏢 Description: Be in IT to firma rekrutacyjna, wyspecjalizowana w poszukiwaniu Specjalistów z branży technologii informatycznych. Obecnie, dla naszego klienta, poszukujemy osoby na stanowisko: Mid Frontend React Developer. Zakres obowiązków: Długofalowa współpraca z międzynarodową, topową firmą consultingową, świadczącą usługi IT dla dużych i średnich firm z różnorodnych sektorów. Długofalowa współpraca z międzynarodową instytucją finansową rozwijającą własne narzędzie produktywności oparte na LLM (Large Language Models) i Generative AI, dedykowane zwiększeniu efektywności pracowników. Budowanie responsywnych interfejsów użytkownika z wykorzystaniem React.js. Szybkie prototypowanie nowych funkcjonalności z naciskiem na UX design. Współpraca z zespołami product i design w celu doskonalenia doświadczeń użytkownika. Integracja API i serwisów backendowych. Stosowanie nowoczesnych praktyk CSS i JavaScript. Wykorzystywanie narzędzi projektowych do tworzenia wireframe'ów i mockup'ów. Oczekujemy: Praktycznego doświadczenia w tworzeniu responsywnych interfejsów użytkownika z wykorzystaniem React.js. Udokumentowanego doświadczenia w szybkim prototypowaniu funkcjonalności z naciskiem na UX design. Umiejętności pracy z narzędziami projektowymi (wireframe'y, mockup'y). Doświadczenia w integracji API i serwisów backendowych. Biegłości w nowoczesnych praktykach CSS i JavaScript. Gotowości do pracy w modelu hybrydowym: 6 dni w miesiącu w biurze w Krakowie. Znajomości języka angielskiego na poziomie B2 lub C1 – umożliwiającej swobodną komunikację w międzynarodowym środowisku. Mile widziana dostępność ASAP; akceptowalny jest maksymalnie miesięczny okres wypowiedzenia ze skutkiem na koniec miesiąca. Oferujemy: Długofalowa współpraca z wynagrodzeniem w przedziale 100-130 PLN netto/godz. + VAT, "czyste B2B". Wsparcie przy zakładaniu i prowadzeniu działalności gospodarczej, dla osób bez takiego doświadczenia. Sprawny proces rekrutacyjny - dwie rozmowy techniczne z managerami, online (każda maksymalnie po godzinie). Współpraca hybrydowa z biura w Krakowie - 6 dni w miesiącu w biurze, w dowolnej konfiguracji (pod rząd lub kilka razy w tygodniu). Benefity - prywatna opieka medyczna, karta Multisport. Nowoczesny sprzęt zapewniany przez firmę, wraz z softem i konfiguracją.

🏢 Summary: Development of a modern online banking platform for business clients using React 18+ and TypeScript, with focus on code quality, performance, and frontend architecture. The role involves building and maintaining a REST-based frontend application, collaborating with backend and UX teams, and participating in CI/CD processes. Responsibilities include performance optimization, refactoring legacy code, and maintaining high code standards with testing and linting tools. 🗂️ Requirements: Strong knowledge of React 18+, Experience with TypeScript, Experience with JavaScript ES6+, Experience with CSS and SCSS, Knowledge of Webpack 5, Experience with Yarn, Experience with Jest, Experience with ESLint, Understanding of REST architecture, Experience working with CI/CD processes, Ability to optimize frontend application performance 📃 Skills: React, TypeScript, JavaScript, ES6, CSS, SCSS, Webpack, Yarn, Jest, ESLint, REST, CI/CD 🏢 Description: React Developer (Mid) Opis projektu: Dołącz do zespołu rozwijającego nowoczesną platformę bankowości internetowej dla klientów biznesowych. Pracujemy stawiając na wysoką jakość kodu, wydajność i nowoczesne podejście do architektury frontendu. Twoja rola w zespole: rozwój aplikacji frontendowej z użyciem React 18+ i TypeScript; współpraca z zespołem backendowym i UX przy wdrażaniu nowych funkcjonalności; utrzymywanie i rozwój istniejącej architektury aplikacji w oparciu o REST; udział w code review, wdrożeniach oraz procesach CI/CD; optymalizacja wydajności aplikacji i refaktoryzacja starszego kodu; dbanie o wysoką jakość kodu z wykorzystaniem narzędzi lintujących i testów. Poziom wiedzy i kwalifikacje: dobra znajomość React 18+; doświadczenie z TypeScript, JavaScript (ES6+), CSS/SCSS; znajomość narzędzi: Webpack 5, Yarn, Jest, ESLint; znajomość architektury REST. ✅ mile widziane: doświadczenie w projektach bankowych; doświadczenie z Backbone, Backbone.Marionette lub React (klasowy); znajomość Facebook Flow; znajomość koncepcji Module Federation; podstawowa wiedza z zakresu: Docker, Kubernetes, OpenShift, Jenkins, Gerrit. Co zyskujesz dołączając do Bluesoft: 👨‍💻 Współpracę w zespole interdyscyplinarnych ekspertów i ekspertek - entuzjastycznie podchodzących do technologii, zainspirowanych pracą w płaskiej hierarchii; 📈 Stałą współpraca w pełnym wymiarze godzin w niezwykłej firmie, która rozwija się dynamicznie od 20 lat; 🚀 Szansę na rozwój w różnorodnych projektach IT, realizowanych dla bardzo znanych i rozpoznawalnych klientów- liderów w swoich branżach; 🥇 Możliwość pracy z najnowszymi technologiami w oparciu o najwyższe standardy developmentu; ⌚️ Elastyczny czas i hybrydowy lub w pełni zdalny model pracy (w różnych zespołach funkcjonują różne ustalenia, nie narzucamy żadnych opcji); ☁ Szereg inicjatyw wspierających dzielenie się wiedzą i rozwój, takich jak: szkolenia wewnętrzne, gildie tematyczne, możliwość szkolenia i certyfikacji w zakresie Cloud (partnerstwa technologiczne w czterech chmurach); 📣 Możliwość nauki języka angielskiego lub niemieckiego online oraz zespołowe lekcje języka angielskiego; 🏋️‍♂️ Możliwość dołączenia do Multisport i ubezpieczenia medycznego; ⛵️ Morskie przygody – z nami popływasz po Morzu Karaibskim, Śródziemnym lub Północnym (udział w rejsach firmowych jest dofinansowany przez firmę)

🏢 Summary: Mid-level React Developer role focused on building and maintaining a modern online banking platform for business clients. The position involves developing frontend features using React 18+ and TypeScript, collaborating with backend and UX teams, and ensuring high code quality and performance. The role also includes working with REST architecture, CI/CD processes, and code reviews. 🗂️ Requirements: Strong knowledge of React 18+, Experience with TypeScript, Experience with JavaScript (ES6+), Experience with CSS/SCSS, Knowledge of Webpack 5, Experience with Yarn, Experience with Jest, Experience with ESLint, Knowledge of REST architecture 📃 Skills: React, TypeScript, JavaScript, CSS, SCSS, Webpack, Yarn, Jest, ESLint, REST 🏢 Description: React Developer (Mid) Opis projektu: Dołącz do zespołu rozwijającego nowoczesną platformę bankowości internetowej dla klientów biznesowych. Pracujemy stawiając na wysoką jakość kodu, wydajność i nowoczesne podejście do architektury frontendu. Twoja rola w zespole: rozwój aplikacji frontendowej z użyciem React 18+ i TypeScript; współpraca z zespołem backendowym i UX przy wdrażaniu nowych funkcjonalności; utrzymywanie i rozwój istniejącej architektury aplikacji w oparciu o REST; udział w code review, wdrożeniach oraz procesach CI/CD; optymalizacja wydajności aplikacji i refaktoryzacja starszego kodu; dbanie o wysoką jakość kodu z wykorzystaniem narzędzi lintujących i testów. Poziom wiedzy i kwalifikacje: dobra znajomość React 18+; doświadczenie z TypeScript, JavaScript (ES6+), CSS/SCSS; znajomość narzędzi: Webpack 5, Yarn, Jest, ESLint; znajomość architektury REST. ✅ mile widziane: doświadczenie w projektach bankowych; doświadczenie z Backbone, Backbone.Marionette lub React (klasowy); znajomość Facebook Flow; znajomość koncepcji Module Federation; podstawowa wiedza z zakresu: Docker, Kubernetes, OpenShift, Jenkins, Gerrit. Co zyskujesz dołączając do Bluesoft: 👨‍💻 Współpracę w zespole interdyscyplinarnych ekspertów i ekspertek - entuzjastycznie podchodzących do technologii, zainspirowanych pracą w płaskiej hierarchii; 📈 Stałą współpraca w pełnym wymiarze godzin w niezwykłej firmie, która rozwija się dynamicznie od 20 lat; 🚀 Szansę na rozwój w różnorodnych projektach IT, realizowanych dla bardzo znanych i rozpoznawalnych klientów- liderów w swoich branżach; 🥇 Możliwość pracy z najnowszymi technologiami w oparciu o najwyższe standardy developmentu; ⌚️ Elastyczny czas i hybrydowy lub w pełni zdalny model pracy (w różnych zespołach funkcjonują różne ustalenia, nie narzucamy żadnych opcji); ☁ Szereg inicjatyw wspierających dzielenie się wiedzą i rozwój, takich jak: szkolenia wewnętrzne, gildie tematyczne, możliwość szkolenia i certyfikacji w zakresie Cloud (partnerstwa technologiczne w czterech chmurach); 📣 Możliwość nauki języka angielskiego lub niemieckiego online oraz zespołowe lekcje języka angielskiego; 🏋️‍♂️ Możliwość dołączenia do Multisport i ubezpieczenia medycznego; ⛵️ Morskie przygody – z nami popływasz po Morzu Karaibskim, Śródziemnym lub Północnym (udział w rejsach firmowych jest dofinansowany przez firmę)

🏢 Summary: Offer for a React Developer with at least one year of commercial experience to build modern web applications. The role focuses on developing frontend solutions, building reusable components, and integrating applications with backend services via REST APIs. 🗂️ Requirements: Minimum 1 year commercial experience with React, Very good knowledge of JavaScript (ES6+), Practical experience with HTML5 and CSS3, Knowledge of component-based architecture, Experience with state management in React, Ability to integrate frontend with REST APIs 📃 Skills: React, JavaScript, ES6, HTML5, CSS3, REST, API 🏢 Description: Poszukujemy osoby z zakresu React Developer , która dołączy do zespołu realizującego nowoczesne aplikacje webowe. Szukamy osoby z pierwszym, komercyjnym doświadczeniem, gotowej do dalszego rozwoju w pracy projektowej. Wymagania Minimum 1 rok komercyjnego doświadczenia w tworzeniu aplikacji w React , Bardzo dobra znajomość JavaScript (ES6+) , Praktyczne doświadczenie w pracy z HTML5 i CSS3 , Znajomość zasad budowania komponentów oraz zarządzania stanem aplikacji, Umiejętność pracy z API (REST) i integracji frontend–backend. Mile widziane Znajomość TypeScript , Doświadczenie z bibliotekami do zarządzania stanem (Redux, Zustand), Podstawowa znajomość testów frontendowych, Doświadczenie w pracy w zespołach zwinnych (Scrum / Kanban). Oferujemy Udział w ciekawych projektach dopasowanych do kompetencji, Możliwość dalszego rozwoju w obszarze frontendowym, Wsparcie doświadczonego zespołu developerskiego, Stabilną współpracę i przyjazne środowisko pracy.

🏢 Summary: Frontend React Developer role focused on building and scaling modern web applications using React and Next.js in distributed, cloud-based environments. The position involves developing reusable components, integrating with APIs and cloud services, and ensuring high performance, security, and code quality through testing and best practices. The role requires strong experience in scalable architectures and collaboration within microservices-based systems. 🗂️ Requirements: 5+ years of commercial experience with React, Strong knowledge of JavaScript and TypeScript, Practical experience with React hooks, routing, and state management, Experience in distributed systems or microservices environments, Experience with cloud platforms (GCP preferred), Experience building scalable applications consuming REST APIs and JSON, Knowledge of data structures and algorithms, Proficiency in HTML and modern CSS approaches, Experience with automated testing (unit, integration, end-to-end), Ability to debug and optimize applications using browser developer tools, Experience building responsive web interfaces 📃 Skills: React, Next.js, JavaScript, TypeScript, HTML, CSS, Tailwind, SASS, CSSModules, REST, JSON, GCP, Microservices, UnitTesting, IntegrationTesting, E2E, BrowserTools, DataStructures, Algorithms 🏢 Description: We are looking for a Frontend React Developer for our client – a global technology consulting company focused on data, analytics, and cloud-based solutions, supporting international organizations in building scalable digital products. They operate in a distributed environment, combining strong engineering practices with a business-oriented mindset to deliver impactful solutions across multiple industries. Your responsibilities Build and enhance modern web applications using React and Next.js Create reusable components and contribute to scalable frontend architecture Work closely with cross-functional teams including backend engineers, data specialists, and product stakeholders Improve performance, security, and overall user experience of applications Connect frontend layers with APIs and cloud-based services Maintain high development standards through testing and clean coding practices. Requirements At least 5 years of hands-on experience with React in commercial projects Strong command of JavaScript and TypeScript Practical understanding of React fundamentals, including hooks, routing, and state management solutions Experience working in distributed systems or microservices environments Exposure to cloud platforms (GCP experience is an advantage) Background in developing scalable applications that consume REST APIs and work with JSON data Solid grasp of core programming concepts such as data structures and algorithms Good knowledge of HTML and modern CSS approaches (e.g. Tailwind, SASS, CSS Modules, or similar tools) Experience with automated testing (unit, integration, and end-to-end) Ability to debug and optimize applications using browser developer tools Experience in building responsive and user-friendly interfaces across devices Strong communication skills and experience working in collaborative, distributed teams Self-driven approach with a strong sense of ownership English proficiency at B2 + level or higher.