Lead Frontend Developer

🏢 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: 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: 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.

🏢 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 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: 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: Full-Stack Front-End Developer role focused on building and enhancing modern, cloud-based web applications with strong emphasis on user experience, performance, and scalability. The position involves developing frontend features in React.js, integrating with Java backend services, and working within AWS environments. The role includes maintaining existing applications, optimizing performance, and contributing to best development practices in an Agile team. 🗂️ Requirements: Minimum 3 years commercial experience with React.js, Minimum 3 years commercial experience with JavaScript, Minimum 3 years commercial experience with TypeScript, Minimum 3 years commercial experience with Java, Minimum 3 years commercial experience with AWS, Experience building responsive web applications, Experience integrating frontend applications with APIs, Understanding of frontend architecture, Knowledge of Agile methodologies 📃 Skills: React.js, JavaScript, TypeScript, Java, AWS, API, Agile 🏢 Description: We are looking for a Full-Stack Front-End Developer who is passionate about building modern, cloud-based applications and delivering excellent user experiences. You will work on developing and maintaining several existing applications and services, focusing on improving usability, performance, and scalability in a cloud environment. Responsibilities Maintain and develop high-quality user experiences across multiple web applications and services. Build and enhance frontend features using React.js and modern JavaScript frameworks. Collaborate with backend services developed in Java . Improve application performance, usability, and responsiveness. Work with cloud-based environments hosted on AWS . Fix bugs, optimize existing solutions, and introduce improvements. Collaborate closely with developers, product teams, and stakeholders. Contribute to code reviews and follow best development practices. Required Skills Minimum 3 years of commercial experience with: React.js JavaScript TypeScript Java AWS Experience building responsive and user-focused web applications. Understanding of frontend architecture and modern UI development practices. Experience integrating frontend applications with APIs. Knowledge of Agile development methodologies. Strong problem-solving and communication skills.

🏢 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: Lead Software Engineer role focused on building scalable, secure, and high-performance full-stack applications for enterprise and public sector clients. The position involves designing modern frontend and backend solutions, developing APIs and microservices, and supporting cloud-based CI/CD environments. The role also includes technical leadership and mentoring while ensuring best practices in security and performance. 🗂️ Requirements: Strong experience with JavaScript, Strong experience with TypeScript, Backend development experience with Node.js or Python, Experience with modern frontend frameworks, Knowledge of APIs and microservices, Experience with cloud platforms (AWS, Azure, or GCP), Familiarity with CI/CD pipelines, Experience with testing frameworks, Understanding of security best practices, Understanding of performance optimization best practices, Experience mentoring developers or leading technical initiatives 📃 Skills: JavaScript, TypeScript, Node.js, Python, React, Vue, Angular, REST, GraphQL, Microservices, APIs, AWS, Azure, GCP, CICD, Testing, Security, Performance 🏢 Description: International company delivering advanced internet connectivity solutions is looking for a Lead Software Engineer to help build scalable, secure, and high-performance digital products used by enterprise and public sector clients. Your responsibilities 🚀 Designing and developing modern full-stack applications Building scalable front-end solutions (React, Vue, Angular) Developing backend services and APIs (REST / GraphQL) Creating reusable components and microservices Supporting CI/CD, testing, monitoring, and automation Collaborating with Product and Design teams Mentoring engineers and supporting technical decisions Must have ✅ Strong experience with JavaScript / TypeScript Backend development experience (Node.js preferred or Python) Experience with modern frontend frameworks Knowledge of APIs, microservices, and cloud platforms (AWS, Azure, GCP) Familiarity with CI/CD and testing frameworks Understanding of security and performance best practices Experience mentoring developers or leading technical initiatives Nice to have ⭐ Experience with AI-driven tools Knowledge of design systems or distributed systems Advanced security knowledge

🏢 Summary: Lead Software Engineer role focused on designing and delivering scalable, secure, high-performance full-stack applications for enterprise and public sector clients. The position involves building modern frontend and backend systems, developing APIs and microservices, and supporting CI/CD, testing, and cloud environments. The role also includes technical leadership and mentoring within cross-functional teams. 🗂️ Requirements: Strong experience with JavaScript and TypeScript, Backend development experience with Node.js or Python, Experience with modern frontend frameworks, Knowledge of REST and GraphQL APIs, Experience with microservices architecture, Experience with cloud platforms (AWS, Azure, or GCP), Familiarity with CI/CD pipelines, Experience with testing frameworks, Understanding of security best practices, Understanding of performance optimization, Experience mentoring developers or leading technical initiatives 📃 Skills: JavaScript, TypeScript, Node.js, Python, React, Vue, Angular, REST, GraphQL, Microservices, AWS, Azure, GCP, CI/CD, Testing, Security, Performance 🏢 Description: International company delivering advanced internet connectivity solutions is looking for a Lead Software Engineer to help build scalable, secure, and high-performance digital products used by enterprise and public sector clients. Your responsibilities 🚀 Designing and developing modern full-stack applications Building scalable front-end solutions (React, Vue, Angular) Developing backend services and APIs (REST / GraphQL) Creating reusable components and microservices Supporting CI/CD, testing, monitoring, and automation Collaborating with Product and Design teams Mentoring engineers and supporting technical decisions Must have ✅ Strong experience with JavaScript / TypeScript Backend development experience (Node.js or Python preferred) Experience with modern frontend frameworks Knowledge of APIs, microservices, and cloud platforms (AWS, Azure, GCP) Familiarity with CI/CD and testing frameworks Understanding of security and performance best practices Experience mentoring developers or leading technical initiatives Nice to have ⭐ Experience with AI-driven tools Knowledge of design systems or distributed systems Advanced security knowledge What’s offered 🎁 International work environment Modern tech stack and large-scale systems Learning & development opportunities Competitive salary + private healthcare + pension plan Hybrid working model