Frontend Developer

🏢 Summary: The offer is for an experienced Frontend Developer to build and optimize modern web applications using React.js and TypeScript in an Agile, international environment. The role focuses on developing new features, improving performance, resolving production issues, and delivering stable, scalable solutions. You will collaborate with cross-functional teams and contribute to continuous technical improvements. 🗂️ Requirements: Strong commercial experience in frontend development, Expert knowledge of React.js, Expert knowledge of TypeScript, Solid understanding of JavaScript fundamentals, Experience with E2E testing frameworks, Experience with CI/CD pipelines, Experience with version control systems, Proven debugging and performance optimization skills, Ability to work in distributed environment, Fluent English B2+/C1 📃 Skills: React, TypeScript, JavaScript, Cypress, Playwright, CI/CD, Git, HTML, CSS, Agile 🏢 Description: We are looking for an experienced Frontend Developer to join our international team. In this role, you will develop and optimize modern web applications, contribute to technical improvements, and help deliver stable, high-performance solutions in a collaborative Agile environment. Your responsibilities: Develop and maintain modern web applications using React.js and TypeScript Build new features and improve existing functionalities for the platform Optimize application performance and troubleshoot technical issues Debug and resolve production incidents to ensure platform stability Participate in technical discussions, code reviews, and continuous improvement initiatives Collaborate closely with cross-functional teams, including Product, Design, QA, and mobile development teams Work with our JavaScript/TypeScript-based UI framework designed for TV-box environments Ensure delivery of stable, scalable, and high-quality code following best engineering practices We are looking for you, if you have: Strong commercial experience in frontend development Expert-level knowledge of React.js Expert-level knowledge of TypeScript Solid understanding of JavaScript fundamentals Experience with E2E testing frameworks such as Cypress, Playwright, or similar Experience working with CI/CD pipelines and version control systems Proven experience in debugging, troubleshooting, and performance optimization Ability to work independently in a distributed environment Fluent English (minimum B2+/C1 level) Nice to have: Experience developing applications for Smart TV platforms Experience working on streaming, video, media, or entertainment-related products We offer: Participation in interesting and demanding projects. Flexible working hours. A great, non-corporate atmosphere. Possibility to work remote or hybrid (2 days per week from the office). Opportunities for development and promotion. Attractive package of benefits. We reserve the right to contact the selected candidates.

🏢 Summary: Frontend Developer role focused on owning the full frontend experience, building engaging, high-performance, game-like interactions using a modern React stack. The position involves designing polished UI components, implementing real-time features, and optimizing animation and application performance. Strong emphasis on reusable architecture, frontend performance, and iGaming/gaming-driven product experiences. 🗂️ Requirements: Strong experience with React 18 and modern frontend ecosystem, Ability to design UI without predefined mockups or Figma files, Expertise in component architecture and reusable component design, Experience with responsive and mobile-first UI development, Strong skills in complex animations and animation performance optimization, Experience building real-time features with sockets, Ability to manage and optimize frontend state architecture, Experience improving code quality, structure, and performance, Experience with frontend testing practices, iGaming or gaming industry experience 📃 Skills: React, Vite, Redux, ReactRouter, Tailwind, FramerMotion, GSAP, Three.js, ReactThreeFiber, Socket.io, JavaScript, HTML, CSS 🏢 Description: We're looking for a frontend developer who can take full ownership of the frontend experience. You should be able to design polished components, build fast and playful interactions, and turn ideas into highly engaging product moments. Our stack is mainly React 18, Vite, Redux Toolkit, React Router, Tailwind, Framer Motion/GSAP, Three.js/React Three Fiber, socket.io , and a mix of charting, particles, sound, and animation libraries. - You should be strong at component architecture, responsive UI, animation performance, real-time experiences, and building in-house games like our current boxes, battles, dice, race, and jackpot flows. Ideally, you think like both a product designer and frontend engineer: making the app feel exciting, smooth, mobile-friendly, and reliable while owning everything from UI structure to frontend performance. - You could also help improve the codebase by making components more reusable, tightening design consistency, reducing duplicated UI logic, improving animation and bundle performance, adding stronger frontend testing, cleaning up large files, and gradually introducing clearer patterns around state, sockets, forms, and game UI architecture. It's really important that the candidate is a naturally great designer, who can design without references/pre made designs/figmas, along with being a really good animator. IMPORTANT: iGaming/Gaming experience is highly preferred. Do you have iGaming or Gaming experience? Please share it in your application message.

🏢 Summary: Frontend Developer role focused on building and evolving a large-scale, high-performance administrative web platform using React. The position emphasizes scalable architecture, code quality, automated testing, and integration with backend services. You will contribute to architectural decisions and maintain robust, maintainable frontend solutions in an enterprise environment. 🗂️ Requirements: 5+ years frontend development experience, Strong commercial experience with React, Expert knowledge of modern JavaScript (ES2024+), Advanced TypeScript proficiency, Experience integrating REST APIs, Hands-on experience with Webpack and Babel, Proficient with npm or yarn, Strong Git experience, Experience designing scalable frontend architectures, Experience with automated testing (unit, component, E2E) using Jest, React Testing Library, Cypress 📃 Skills: React, JavaScript, TypeScript, REST, Webpack, Babel, npm, yarn, Git, Jest, Cypress, GraphQL 🏢 Description: We are looking for an experienced Frontend Developer passionate about building scalable, high-performance user interfaces. In this role, you will contribute to the development and evolution of a large-scale administrative web platform, ensuring high code quality, maintainability, and performance. Key Requirements 5+ years of experience in frontend development, preferably in complex or enterprise-scale environments Strong commercial experience with React (state management, hooks, component lifecycle, application architecture) Expert knowledge of modern JavaScript (ES2024+) , including asynchronous programming and modular architecture Solid hands-on experience with TypeScript (advanced typing, generics, large-scale React integration) Experience integrating frontend applications with REST APIs (HTTP methods, authentication, data handling) Practical knowledge of build tools such as Webpack, Babel, npm/yarn Strong experience with Git (branching strategies, code reviews, conflict resolution) Experience designing and implementing scalable and high-performance frontend architectures Ability to write automated tests using Jest, React Testing Library, and Cypress Nice to Have Experience working with GraphQL in React-based applications Understanding and practical use of software design patterns Responsibilities Develop and enhance a complex React-based administrative platform Contribute to frontend architecture decisions and scalability improvements Maintain high standards of code quality (Clean Code, SOLID principles) Write and maintain unit, component, and end-to-end tests Collaborate with cross-functional teams in an agile delivery environment

🏢 Summary: Frontend Developer role focused on building scalable, high-performance, and user-centric web applications for global travel platforms. The position involves developing new features, maintaining existing applications, and collaborating closely with designers and backend teams to deliver intuitive user experiences. You will contribute to frontend architecture, code quality, and continuous improvement in an Agile environment. 🗂️ Requirements: Minimum 3 years commercial experience as Frontend Developer, Strong knowledge of JavaScript, Professional experience with React, Professional experience with TypeScript, Experience with Vue.js, Experience with CMS platforms (non-WordPress), Experience with testing frameworks (unit, integration, end-to-end), Understanding of CI/CD processes, Ability to write clean, testable, maintainable code, Very good command of English 📃 Skills: JavaScript, TypeScript, React, Vue, CMS, ReactHookForm, Webpack, Babel, Vite, Rspack, CI/CD, Next.js, Node.js, AWS 🏢 Description: We are looking for a Frontend Developer to join our team and help build modern, scalable, and user-centric digital products that support our global travel platforms. In this role, you will work closely with designers, backend developers, Product Owners, and business stakeholders to deliver intuitive and high-performing user experiences used by customers around the world. You will have a direct impact on the quality, usability, and evolution of our products. Your responsibilities Develop new user-facing features and maintain existing applications Write clean, maintainable, and efficient code following best practices Ensure high performance, scalability, and responsiveness across web applications Validate and process user input before sending data to backend services Collaborate with designers, developers, and business stakeholders to translate requirements into technical solutions Bridge the gap between design and technical implementation Ensure consistency, usability, accessibility, and responsiveness across digital products Contribute to the continuous improvement of frontend architecture, standards, and development practices Participate in code reviews and knowledge-sharing initiatives Troubleshoot, debug, and resolve application issues Our requirements Minimum 3 years of commercial experience as a Frontend Developer Strong knowledge of JavaScript and modern frontend development practices Professional experience with React and TypeScript Experience working with Vue.js Experience with CMS platforms (other than WordPress) Familiarity with tools such as React Hook Form, Webpack, Babel, Vite, or Rspack Experience with testing frameworks and different testing approaches (unit, integration, end-to-end) Understanding of CI/CD processes and development workflows Ability to write clean, testable, and maintainable code Strong problem-solving skills and attention to detail Good communication skills and very good command of English Nice to have Experience with Next.js Knowledge of Node.js Knowledge of AWS services and cloud-based solutions How we work Clean Code principles Design patterns and software engineering best practices Code reviews and knowledge sharing Static code analysis Continuous Integration and Continuous Deployment (CI/CD) Agile and collaborative development environment What we offer Hybrid work model (1–2 days per week in our Katowice office) Opportunity to work on international, large-scale projects used by customers worldwide Attractive remuneration paid in EUR Flexible working hours Individual learning and development budget Partially or fully funded training and certifications English lessons Mentoring and support from experienced technical leaders Participation in conferences in Poland and abroad A culture focused on collaboration, knowledge sharing, and continuous improvement Space to innovate and bring your own ideas to life Support for IT community initiatives and professional networking Long-term cooperation in a stable, growing international organization

🏢 Summary: Oferta dotyczy rozwoju nowoczesnych aplikacji frontendowych z naciskiem na responsywność, dostępność oraz wysoką jakość kodu. Rola obejmuje tworzenie interfejsów użytkownika, pracę z frameworkiem Eclipse oraz współpracę w środowisku Agile/Scrum z zespołami Backend i QA. Praca realizowana jest w modelu zdalnym w oparciu o kontrakt B2B. 🗂️ Requirements: Minimum 3–4 lata doświadczenia w frontendzie, Bardzo dobra znajomość HTML, Bardzo dobra znajomość CSS, Bardzo dobra znajomość JavaScript ES6+, Doświadczenie z Eclipse RCP/RAP lub gotowość do nauki, Znajomość UX/UI, Znajomość Responsive Web Design, Znajomość WCAG, Doświadczenie z Git, Znajomość OWASP Top 10, Znajomość Agile/Scrum, Znajomość języka angielskiego, Wykształcenie techniczne mile widziane 📃 Skills: HTML, CSS, JavaScript, ES6, Eclipse, RCP, RAP, UX, UI, RWD, WCAG, Git, OWASP, Agile, Scrum 🏢 Description: Dla naszego Klienta poszukujemy Frontend Developera , który dołączy do zespołu odpowiedzialnego za rozwój nowoczesnych aplikacji frontendowych. To doskonała okazja dla osób, które chcą tworzyć intuicyjne i dostępne interfejsy użytkownika, pracować z nowoczesnymi technologiami oraz mieć realny wpływ na jakość i rozwój tworzonych rozwiązań. Zadania Projektowanie i rozwój nowoczesnych aplikacji frontendowych z naciskiem na responsywność i wysoką jakość kodu. Tworzenie intuicyjnych interfejsów użytkownika zgodnych z dobrymi praktykami UX/UI oraz standardami WCAG . Rozwijanie i utrzymywanie rozwiązań opartych o framework Eclipse . Opracowywanie oraz aktualizacja dokumentacji technicznej i projektowej. Przygotowywanie i rozwijanie testów jednostkowych oraz integracyjnych. Aktywny udział w pracach zespołu prowadzonych zgodnie z metodyką Scrum , w tym w ceremoniach scrumowych. Uczestnictwo w code review oraz dzielenie się wiedzą i dobrymi praktykami z pozostałymi członkami zespołu. Ścisła współpraca z zespołami Backend i QA w celu zapewnienia wysokiej jakości oraz spójności funkcjonalnej aplikacji. Wymagania Minimum 3–4 lata doświadczenia w tworzeniu aplikacji frontendowych. Bardzo dobra znajomość HTML, CSS oraz JavaScript (ES6+) . Doświadczenie w pracy z frameworkiem Eclipse (RCP/RAP) lub gotowość do zdobycia kompetencji w tym obszarze. Dobra znajomość zasad projektowania interfejsów zgodnych z UX/UI , Responsive Web Design (RWD) oraz WCAG . Doświadczenie w pracy z systemami kontroli wersji, takimi jak Git . Znajomość dobrych praktyk związanych z bezpieczeństwem aplikacji, w szczególności OWASP Top 10 . Znajomość metodyk zwinnych, w szczególności Agile/Scrum . Znajomość języka angielskiego na poziomie umożliwiającym swobodną pracę z dokumentacją techniczną. Wykształcenie wyższe techniczne (informatyka, elektronika lub kierunki pokrewne) będzie dodatkowym atutem. Oferujemy Współpracę na podstawie B2B . Pracę w modelu zdalnym . Preferencyjne pakiety Lux Med oraz MultiSport . Udział w ambitnych projektach. Stabilne środowisko pracy. Zainteresowała Cię ta oferta? Prześlij swoje CV i porozmawiajmy o szczegółach. Chętnie opowiemy więcej o projekcie oraz odpowiemy na wszystkie Twoje pytania! :)

🏢 Summary: Frontend (TypeScript) Developer role focused on building and enhancing innovative solutions within the pharmaceutical industry. The position involves designing and developing modern web applications, improving workflows and UI, and ensuring system reliability and security. You will collaborate closely with product teams and contribute to AI-driven and automation-based features. 🗂️ Requirements: Proficiency in TypeScript, Proficiency in Vue, Proficiency in Nuxt, Minimum B2 level of English, At least 1 year of commercial experience in frontend development 📃 Skills: TypeScript, Vue, Nuxt, Azure, PostgreSQL, OfficeJS, Python, Vitest, Node.js, RxJS, Docker, AI, CI/CD 🏢 Description: 🔥 We are looking for a Frontend Developer 🔥 Are you ready to embark on an exciting journey with us? Join our dynamic team as a TypeScript Developer and be part of an innovative project within the pharmaceutical industry. We are seeking a passionate individual who thrives on technology challenges and is eager to contribute to impactful solutions. If you consider yourself a valuable addition to our team and you are ready for the challenge, don't hesitate to apply! 🟪 Key Responsibilities: Engaging in Active Collaboration: Work hand-in-hand with the product team and other departments to dive deep into user needs, ensuring the solutions you develop are both innovative and directly aligned with user expectations. Driving Technological Innovation: Spearhead the design and development of state-of-the-art solutions that streamline and enhance recruitment processes. Utilize the latest advancements in AI technology to bring automation and efficiency to the forefront. Bringing Ideas to Life: Have the autonomy to initiate and bring your own ideas to the table. This includes the creative freedom to design and refine workflow processes and user interfaces, aiming to boost functionality and improve user experiences. Maintaining Robust Systems: Play a crucial role in ensuring the smooth operation of our services, focusing on continuous integration, and prioritizing the security and reliability of applications. Embracing Growth and Teamwork: Show a keenness to learn and evolve professionally, remaining receptive to feedback. Foster a spirit of cooperation and shared objectives within the team, contributing to a culture where collective success is celebrated. 🟪 Requirements: Proficiency in TypeScript, Vue, and Nuxt: You should have a solid understanding and practical experience with TypeScript, Vue, and Nuxt. English Language Proficiency: A minimum of B2 level proficiency is required to ensure effective communication within our international team. Experience: At least a year of experience in the field. However, if you believe you are a valuable addition to our team and are up for the challenge, we encourage you to apply regardless of your years of experience. 🟪 Nice to Have: Experience with Azure , PostgreSQL , OfficeJS , Python , and Vitest is appreciated but not mandatory. Experience in reporting tools or environments would be beneficial. Familiarity with Node.js and RxJS . Experience with Docker containers is a plus. This is a hybrid position. In our team, you will have the unique opportunity to work directly under the guidance of our Senior Developer, who has built this product ecosystem from the ground up. His knowledge and experience in creating advanced microservices architecture, utilizing modern technologies such as Svelte (and other technologies, that are mentioned in the offer), are invaluable.

🏢 Summary: Part-time Front-end Developer role focused on building and maintaining web applications using ReactJS and TypeScript. The position involves developing new features, writing unit tests, conducting code reviews, and preparing technical documentation. Suitable for junior developers or students seeking hands-on experience in modern front-end development. 🗂️ Requirements: Strong knowledge of ReactJS, Strong knowledge of TypeScript, Ability to write unit tests, Very good knowledge of HTML5, Very good knowledge of CSS3, Very good knowledge of JavaScript, Ability to read technical documentation in English, Knowledge of clean code principles, Knowledge of design patterns, Adherence to software development best practices 📃 Skills: ReactJS, TypeScript, JavaScript, Node, HTML5, CSS3, UnitTesting, GitHub, GitLab, Docker, Git 🏢 Description: Who we’re looking for: We’re looking for a Front-end Developer available for at least part-time work to join our team. If you’re just starting your career or are currently a student, this job is for you. Technologies: ReactJS TypeScript JavaScript Node Responsibilities: Creating new and developing existing web applications on the front-end side Developing tests for applications Preparing technical documentation Conducting code reviews Requirements: English proficiency sufficient to read technical documentation Creative, problem-solving mindset Strong knowledge of ReactJS and TypeScript Ability to write unit tests Very good knowledge of the latest HTML5, CSS3, and JavaScript standards Analytical thinking and problem-solving skills Openness to others and ability to work in a team Willingness to learn new technologies Adherence to software development best practices Knowledge and application of clean code principles Knowledge of design patterns Preferred: Experience with a group or commercial front-end application project Personal projects in your portfolio Knowledge of code repository management platforms, such as GitHub or GitLab Knowledge of Docker We offer: Subsidies for gym memberships Company-wide events Opportunities to learn and gain experience The chance to work on interesting and diverse projects The option to work 100% remotely Participation in industry events

🏢 Summary: Frontend Engineer role focused on leading and evolving the architecture of digital draw game clients. Responsible for building and optimizing scalable, event-driven frontend systems using a modern React and TypeScript stack, enabling real-time gameplay and backend communication. The position includes ownership of client frameworks, build pipelines, and technical alignment with external studios. 🗂️ Requirements: 5+ years developing complex frontend applications, Strong experience with React, Strong experience with TypeScript, Hands-on experience with HTML5 game technologies, Experience building interactive web applications, Strong knowledge of state-driven systems, Strong knowledge of event-driven systems, Deep understanding of asynchronous programming, Proficiency with Vite, Experience with CSS frameworks, Experience with automated testing environments, Experience with Git and version control workflows 📃 Skills: React, TypeScript, Vite, HTML5, Three.js, PlayCanvas, JavaScript, Tailwind, CSS, Git, Testing, Asynchronous 🏢 Description: Frontend developer We are looking for an experienced Engineer to take technical ownership of the frontend architecture powering our digital draw games. In this role, you will design and maintain the core client frameworks that enable the integration of various game categories with our platform, defining how games handle lifecycles, player interactions, and real-time backend communication. Responsibilities: Architectural Leadership: Lead the evolution of frontend frameworks and reusable client foundations to support diverse game paradigms. Core Development: Build and optimize frontend systems using a modern stack including React, TypeScript, and Vite . Communication Patterns: Implement robust, event-driven client-server interactions for both on-demand and real-time gameplay. Technical Translation: Turn complex gameplay flows, UX layouts, and production specs into scalable, high-performance implementations. External Partnership: Act as a technical guide for external development studios, ensuring their games align with our architectural standards. Standards & Quality: Enforce coding standards, manage build pipelines, and identify technical bottlenecks or risks early in the lifecycle. Requirements: 5+ years of experience developing complex frontend applications with a focus on React and TypeScript . Hands-on experience with HTML5 game technologies , such as Three.js or PlayCanvas , and building interactive web applications. Strong background in state-driven and event-driven systems , including a deep understanding of asynchronous programming. Proficiency with modern tooling, including Vite, CSS frameworks (like Tailwind) , and automated testing environments. Collaboration Skills: Proven ability to work alongside designers and backend teams to translate product concepts into technical reality. Workflow Expertise: Solid experience with Git , version control practices, and managing collaborative development workflows.

🏢 Summary: Frontend Developer role focused on building and maintaining modern web applications using Angular within an agile environment. The position emphasizes creating scalable user interfaces, managing frontend tooling, and ensuring application quality through collaboration and code reviews. 🗂️ Requirements: Strong experience with Angular, Very good knowledge of TypeScript, Very good knowledge of JavaScript, Hands-on experience with Webpack, Hands-on experience with Node.js, Experience with npm and dependency management, Familiarity with version control systems, Strong debugging skills, Experience in agile development environments 📃 Skills: Angular, TypeScript, JavaScript, Webpack, Node.js, npm, Git 🏢 Description: We are looking for a Frontend Developer to join a development team responsible for building and maintaining modern web applications. The role focuses on delivering clean, scalable user interfaces and contributing to overall application quality within an agile setup. Responsibilities: Develop and maintain frontend applications using Angular Build user-facing features with TypeScript and JavaScript Configure and work with build tools such as Webpack and Node.js Manage npm packages, dependencies, and versioning Debug, troubleshoot, and resolve frontend issues Collaborate with the team using version control systems and code reviews Participate in agile ceremonies and contribute to continuous improvement Requirements: Strong experience with Angular framework Very good knowledge of TypeScript and JavaScript Hands-on experience with Webpack, Node.js, and frontend build tools Experience with npm packages and dependency management Familiarity with version control systems Strong debugging and problem-solving skills Experience working in agile development environments

🏢 Summary: Senior Frontend Developer role focused on building, maintaining, and optimizing scalable web applications using modern frontend technologies. The position involves designing web architecture, integrating APIs, and supporting CI/CD processes to deliver high-performance user experiences. The role requires strong experience in React-based ecosystems and modern DevOps practices. 🗂️ Requirements: Minimum 5 years of experience in modern frontend technologies, Strong experience with ReactJS and NextJS, Proficiency in HTML, CSS, TypeScript, and JavaScript, Experience designing scalable web architecture, Solid knowledge of REST APIs, Experience with NodeJS and package managers, Experience with CI/CD pipelines and GitHub workflows, Proficient in Git version control, Experience creating technical documentation (e.g., Confluence), English proficiency at B2 level or higher 📃 Skills: ReactJS, NextJS, HTML, CSS, TypeScript, JavaScript, REST, NodeJS, CI/CD, GitHub, Git, Confluence, Azure, GraphQL, HeadlessCMS 🏢 Description: We are seeking a highly skilled and motivated Senior Frontend Developer to join our team. The ideal candidate will have a strong background in front-end coding, troubleshooting, and optimizing web applications. You will play a key role in developing and maintaining high-quality, scalable, and performant web solutions using modern technologies. This position requires a proactive individual with excellent problem-solving skills and a passion for delivering exceptional user experiences. Must-Have Qualifications to be successful for the role: Technical Skills: Develop and maintain web applications using ReactJS / NextJS . Implement responsive designs using HTML, CSS, Typescript, and JavaScript . Create and maintain technical documentation using tools like Confluence. Design and implement scalable web architecture and artifacts. Solid knowledge of REST APIs . Experience with NodeJS and package managers. Utilize DevOps skills, including CI/CD pipelines , GitHub workflows , and actions . Manage version control using GIT effectively. Soft Skills: Strong problem-solving and troubleshooting abilities. Excellent communication and collaboration skills to work effectively in a team environment. Attention to detail and a proactive approach to identifying and resolving issues. Ability to adapt to new technologies and learn quickly. Experience: Minimum 5 years of experience in modern Frontend technologies. English proficiency should be at least B2 level. Nice-to-Have Qualifications: Experience with Azure or other cloud platforms. Experience with GraphQL. Experience with Headless CMS (Content Management System) . Optimize web performance, focusing on Core Web Vitals. Other Details: Work model: 2 days per week in the office and 3 days at home. We offer a flexible work schedule that includes 12 additional Compensation Days besides regular holidays. Note that specific work hours may vary between winter and summer schedules, and the candidate will be required to submit their CV in English.