Senior Frontend Developer

🏢 Summary: Senior Frontend Developer role focused on building and enhancing modern React-based applications for the insurance sector within an international agile team. The position involves developing scalable frontend solutions, integrating with REST APIs, ensuring code quality through testing, and mentoring junior developers. The offer targets experienced engineers ready to contribute to large, international projects using modern technologies. 🗂️ Requirements: Minimum 5 years of experience as Frontend Developer, Strong knowledge of React, Strong knowledge of TypeScript, Proficiency in JavaScript ES6+, Knowledge of SCSS, HTML5, CSS3, Experience with UI frameworks, Experience with REST API integration, Experience in unit testing, Knowledge of Git, Basic knowledge of SQL and databases, Experience working in Agile/Scrum 📃 Skills: React, TypeScript, JavaScript, SCSS, HTML5, CSS3, Bootstrap, MaterialUI, REST, Git, SQL, Agile 🏢 Description: Opis stanowiska: Poszukujemy doświadczonego Senior Frontend Developera specjalizującego się w React, który dołączy do zespołu realizującego projekty dla branży ubezpieczeniowej. Osoba na tym stanowisku będzie odpowiedzialna za rozwój nowoczesnych aplikacji frontendowych oraz współpracę z międzynarodowym zespołem w środowisku agile. Zakres obowiązków: Tworzenie i rozwój aplikacji frontendowych w oparciu o React i TypeScript Analiza wymagań biznesowych i ich przekładanie na rozwiązania techniczne Współpraca z zespołem projektowym (developerzy, testerzy, analitycy) Integracja z usługami REST API Pisanie testów jednostkowych i dbanie o jakość kodu Debugowanie oraz optymalizacja istniejących rozwiązań Wsparcie i mentoring dla mniej doświadczonych członków zespołu Wymagania: Minimum 5 lat doświadczenia na stanowisku Frontend Developera – warunek konieczny Bardzo dobra znajomość React oraz TypeScript Dobra znajomość: JavaScript ES6+, SCSS, HTML5, CSS3 Doświadczenie z frameworkami UI (Bootstrap, Material UI lub podobne) Praktyczna znajomość integracji z REST API Doświadczenie w pisaniu testów jednostkowych Znajomość Git Podstawowa znajomość SQL i pracy z bazami danych Doświadczenie w pracy w metodykach Agile/Scrum Bardzo dobra znajomość języka angielskiego (min. B2) Mile widziane: Doświadczenie z architekturą mikroserwisową Znajomość Vue.js Certyfikaty technologiczne (React, Java, Spring, SQL, AWS, Azure) Doświadczenie w projektach międzynarodowych Znajomość języka niemieckiego lub innego języka europejskiego Oferujemy: Pracę przy dużych, międzynarodowych projektach Elastyczny model pracy Konkurencyjne wynagrodzenie Możliwość rozwoju i pracy z nowoczesnymi technologiami

🏢 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: Senior Frontend Developer role focused on building and evolving high-performance, accessible web interfaces using both React/Next.js and Vue/Nuxt. The position involves autonomous UI/UX decision-making, contributing to frontend architecture, and collaborating closely with backend and product teams in a fully remote setup. Candidates must have strong experience across modern frontend technologies, SSR, testing, and performance optimization. 🗂️ Requirements: 5+ years of frontend development experience, Strong command of React and Next.js, Strong command of Vue and Nuxt, Proficiency in JavaScript and TypeScript, Proficiency in semantic HTML and modern CSS, Experience with SSR and SSG, Experience with unit and/or E2E testing, Ability to design UI/UX without mockups, Experience with Git and continuous integration, Fluent English (spoken and written) 📃 Skills: React, Next.js, Vue, Nuxt, JavaScript, TypeScript, HTML, CSS, Tailwind, CSS-in-JS, SSR, SSG, Vitest, Jest, Playwright, Cypress, Git, CI, Figma, Node.js, REST, GraphQL 🏢 Description: Summary We are seeking a Senior Frontend Developer to design and evolve performant, accessible web interfaces within a collaborative product team. The ideal candidate will possess a strong command of both React/Next.js and Vue/Nuxt ecosystems, ensuring high-quality solutions in complex projects. Main Responsibilities Build, test, and maintain user interfaces across two ecosystems: React/Next.js and Vue/Nuxt. Design and implement interfaces directly, making autonomous UI/UX decisions from product needs (no dedicated designer). Ensure performance (Core Web Vitals), accessibility (WCAG), and code quality. Work closely with back-end and product teams to define the best technical solutions. Participate in code reviews, share best practices, and mentor junior developers. Contribute to frontend architecture and key technical decisions. Key Requirements 5+ years of frontend development experience. Strong command of both React/Next.js and Vue/Nuxt (both required). Excellent command of JavaScript/TypeScript, semantic HTML, and modern CSS (Tailwind, CSS-in-JS or equivalent). Strong UI/UX sensibility: able to design clear, polished interfaces without supplied mockups. Solid understanding of server-side rendering (SSR/SSG) and performance concerns. Experience with unit and/or E2E testing (Vitest, Jest, Playwright, Cypress, etc.). Comfortable with Git, continuous integration, and working in an agile environment. Excellent written communication skills essential in a remote setting. Fluent English required (spoken and written); French is a plus. Nice to Have Strong grasp of design principles (visual hierarchy, typography, spacing) and tools like Figma for rapid prototyping. Experience with a design system/shared component library. Some back-end knowledge (Node.js, REST/GraphQL APIs). Other Details Position Type: 100% Remote Working Hours: Well-defined

🏢 Summary: Senior Frontend Developer role in the aviation sector focused on building and evolving reliable, high-performance air traffic management systems using Angular. The position involves developing a scalable design system and modern frontend applications in close collaboration with UX/UI, backend, and product teams. The role includes technical decision-making, code reviews, and ensuring best practices in a safety-critical Agile environment. 🗂️ Requirements: Minimum 5 years of experience with Angular, Strong knowledge of TypeScript, Experience with NgRx for state management, Knowledge of RxJS and reactive programming, Experience with unit and E2E testing, Ability to optimize application performance, Knowledge of web application security principles, Experience integrating REST or GraphQL APIs, Experience with Docker, Webpack, and Git, Knowledge of design patterns and best practices, Experience working in Agile (Scrum or Kanban), English level B2 or higher 📃 Skills: Angular, TypeScript, NgRx, RxJS, JavaScript, REST, GraphQL, Docker, Webpack, Git, HTML, CSS, Scrum, Kanban 🏢 Description: ✈️ Opis stanowiska: Dołączysz do projektu realizowanego w sektorze lotniczym, którego celem jest rozwój nowoczesnych systemów wspierających zarządzanie ruchem lotniczym. Pracując jako Senior Frontend Developer będziesz mieć realny wpływ na rozwój kluczowych aplikacji wykorzystywanych w środowisku o wysokich wymaganiach dotyczących niezawodności, bezpieczeństwa i wydajności. Rola zakłada ścisłą współpracę z zespołem UX/UI, backendem oraz zespołem produktowym przy tworzeniu spójnego design systemu oraz rozwoju aplikacji frontendowych opartych o Angular. Poszukujemy osoby, która nie tylko dostarcza wysokiej jakości kod, ale także aktywnie uczestniczy w podejmowaniu decyzji technologicznych, dba o dobre praktyki oraz wspiera rozwój zespołu poprzez code review i dzielenie się wiedzą. To dobra okazja dla osoby, która chce pracować przy projektach o realnym wpływie społecznym, w środowisku wykorzystującym nowoczesne technologie i metodyki Agile. 🧩 Zadania: Rozwijanie design systemu UI we współpracy z zespołem UX/UI Projektowanie i tworzenie nowoczesnych, responsywnych oraz wydajnych aplikacji frontendowych Pisanie testów jednostkowych i integracyjnych Współtworzenie i utrzymanie backlogu produktowego Współpraca z zespołami backendowymi i projektowymi Tworzenie dokumentacji technicznej Praca w metodykach Agile (Scrum/Kanban) Udział w code review ✅ Wymagania: Min. 5 lat doświadczenia z Angular Bardzo dobra znajomość TypeScript Doświadczenie z NgRx (zarządzanie stanem) Znajomość RxJS i programowania reaktywnego Doświadczenie w testowaniu (unit + E2E) Umiejętność optymalizacji wydajności aplikacji Znajomość zasad bezpieczeństwa aplikacji webowych Integracja z API (REST, GraphQL), autoryzacja użytkowników Doświadczenie z Docker, Webpack, Git Znajomość wzorców projektowych i dobrych praktyk Doświadczenie w pracy Agile (Scrum/Kanban) Angielski min. B2 Umiejętność pracy zespołowej i komunikacji 🎁 Oferujemy: Przelew w dogodnej formie Krótki, 14-dniowy termin płatności faktury Bogaty pakiet prywatnej opieki medycznej Dostęp do platformy kafeteryjnej MyBenefit ( m.in . Multisport, karty do IKEA, Zalando, Notino i inne)

🏢 Summary: Senior Front-End Developer role focused on designing, developing, and maintaining Angular-based applications that consume REST APIs and handle data-intensive integrations. The position involves building reusable, maintainable code and working with distributed data technologies such as Hadoop and MapReduce. The role requires strong debugging skills and collaboration within a cross-functional development team. 🗂️ Requirements: Minimum 5 years of professional experience in front-end development, Strong hands-on experience with Angular, Very good knowledge of TypeScript, Very good knowledge of JavaScript, Experience consuming and processing data from APIs, Ability to write reusable and maintainable code, Strong debugging and problem-solving skills, Expertise in Hadoop, Expertise in MapReduce 📃 Skills: Angular, TypeScript, JavaScript, REST, APIs, Hadoop, MapReduce, Debugging 🏢 Description: Requirements: Minimum 5 years of professional experience in front-end development Strong hands-on experience with Angular Framework Very good knowledge of TypeScript and JavaScript Experience in consuming, processing, and rendering data from APIs Ability to reuse and improve existing code Strong debugging and problem-solving skills Excellent communication skills, with the ability to build trust with both technical teams and business stakeholders Team-oriented mindset and ability to collaborate effectively across teams Expertise in Hadoop and MapReduce Nice to have: Experience working in enterprise software development environments Understanding of application performance optimization Experience working with distributed or data-intensive systems Responsibilities: Design, develop, and maintain front-end applications consuming REST APIs Write clean, reusable, and maintainable code in line with application requirements Work as part of a software development team to ensure that delivered solutions meet quality standards Debug applications and resolve technical issues Reuse and adapt existing code where appropriate to improve efficiency and consistency Suggest enhancements to application procedures, infrastructure, and overall solution design Collaborate effectively with cross-functional teams and contribute to shared project goals Explain complex technical topics in a clear and simple way to non-technical audiences Support a positive and collaborative team environment

🏢 Summary: Senior Front End Engineer role focused on building high-performance web applications for a fast-paced financial environment using modern frontend technologies and real-time data solutions. The position involves developing scalable interfaces, collaborating with cross-functional teams, and optimizing application performance and code quality. 🗂️ Requirements: 5+ years of Front End development experience, Strong knowledge of React, Strong knowledge of Next.js, Strong knowledge of TypeScript, Experience with WebSockets, Experience with AG Grid, Experience with Jest, Experience with React Testing Library, Experience with Playwright, Familiarity with Git, Familiarity with CI/CD, Experience with AI-assisted development tools, Fluent English 📃 Skills: React, Next.js, TypeScript, WebSockets, AG, Grid, Jest, Playwright, Git, CI/CD 🏢 Description: Senior Front End Engineer We are looking for an experienced Front End Engineer to build modern, high-performance web applications used in a fast-paced financial environment. You will work closely with backend engineers and business stakeholders to deliver scalable, user-friendly solutions with a strong focus on real-time data and application performance. Responsibilities - Develop and maintain web applications using React, Next.js, and TypeScript. - Build reusable UI components and real-time data interfaces. - Collaborate with cross-functional teams to deliver business solutions. - Optimize performance and ensure code quality through testing and best practices. Requirements - 5+ years of experience in Front End development. - Strong knowledge of React, Next.js, and TypeScript. - Experience with WebSockets, AG Grid, and modern testing frameworks (Jest, React Testing Library, Playwright). - Familiarity with Git, CI/CD, and modern development practices. - Experience working with AI-assisted development tools. - Fluent English.

🏢 Summary: Senior Frontend Software Engineer responsible for developing and maintaining modern web applications with scalable architecture. The role covers full lifecycle delivery, including implementation, deployment, monitoring, and maintenance in production environments. Focus is on high-quality, performant solutions aligned with business needs. 🗂️ Requirements: Minimum 5 years of experience in web application development, Strong knowledge of JavaScript and TypeScript, Experience with modern frontend frameworks (React, Angular, or Vue), Experience designing scalable frontend architectures, Knowledge of HTML5, CSS3, and responsive design (RWD), Experience with Git version control, Experience integrating with backend services (REST, WebSocket, gRPC), Experience deploying and maintaining applications in production environments, Ability to write clean, production-ready code 📃 Skills: JavaScript, TypeScript, React, Angular, Vue, HTML5, CSS3, Git, REST, WebSocket, gRPC, RWD 🏢 Description: Poszukujemy doświadczonego Senior Software Engineer'a (Frontend) , który dołączy do naszego zespołu i będzie odpowiedzialny za rozwój oraz utrzymanie nowoczesnych aplikacji webowych. Szukamy osoby, która łączy umiejętności techniczne z rozumieniem potrzeb biznesowych i potrafi dostarczać wysokiej jakości rozwiązania. Wymagane Minimum 5 lat doświadczenia w tworzeniu aplikacji webowych Bardzo dobra znajomość JavaScript/TypeScript Doświadczenie w pracy z nowoczesnymi frameworkami frontendowymi (np. React, Angular lub Vue) Doświadczenie w projektowaniu skalowalnych architektur frontendowych Znajomość HTML5, CSS3 oraz zasad responsywnego projektowania (RWD) Doświadczenie w pracy z systemami kontroli wersji (Git) Znajomość komunikacji z backendem (REST API, Websocket, gRPC) Umiejętność pisania czytelnego kodu produkcyjnego Doświadczenie w pracy z aplikacjami w środowisku produkcyjnym (wdrożenia, monitoring, utrzymanie) Oczekujemy Samodzielności w realizacji zadań, od analizy po wdrożenie i utrzymanie Dbałości o jakość, wydajność i dostępność aplikacji Umiejętności diagnozowania i rozwiązywania problemów (np. wydajnościowych) Dbałości o przejrzystość i modularność kodu Umiejętności analizy systemów oraz przepływu danych między komponentami Rozumienia zależności pomiędzy elementami systemu Umiejętności przekładania wymagań biznesowych na rozwiązania techniczne Dobrej organizacji pracy i umiejętności priorytetyzacji zadań Gotowości do dzielenia się wiedzą i wspierania zespołu Aktywnego udziału w rozwoju architektury aplikacji Efektywnej komunikacji i pracy zespołowej Zaangażowania w pełen cykl życia produktu Co oferujemy Pracę w świetnym zespole, którego siłą jest pasja i współpraca, Pracę hybrydową (3+2) Pracę pod skrzydłami przypisanego partnera w procesie onboardingu, Nowoczesne biuro w Katowicach z konsolą PS5 i piłkarzykami, Bezpłatne zajęcia z języka angielskiego, Kartę MedicoverSport, ubezpieczenie na życie i opiekę medyczną, Bezpłatne bilety na mecze reprezentacji Polski, Urozmaicone śniadania i obiady w dobrej cenie w naszym Bistro, Ścieżkę rozwoju osobistego oraz budżet na kursy i szkolenia, Codziennie świeże owoce, dobra kawa i zdrowe przekąski, Poszanowanie równowagi między życiem zawodowym a prywatnym.

🏢 Summary: Senior Frontend Developer role focused on designing, building, testing, deploying, and maintaining a React and TypeScript-based frontend system integrated with backend services and mobile apps. The position involves frontend architecture design, production support, and working within Agile teams to deliver scalable solutions used across multiple countries. 🗂️ Requirements: 5+ years of production experience with React, Strong hands-on experience with TypeScript, Strong understanding of software engineering principles, Experience with testing and design systems, Knowledge of REST APIs, Familiarity with DBMS such as PostgreSQL or DynamoDB, Degree in Computer Science, Experience working with Agile methodologies (SCRUM or Kanban), Experience using AI tooling 📃 Skills: React, TypeScript, JavaScript, HTML, CSS, REST, PostgreSQL, DynamoDB, Testing, DesignSystems, Agile, SCRUM, Kanban, AI 🏢 Description: About the role You will need to be an expert in frontend development with a thorough understanding of the technologies involved. Strong frontend skills where you can demonstrate your ability to apply these technologies, as well as deploy and maintain them will be crucial to success. Technologies we work with: React, TypeScript, JavaScript, HTML, CSS, Cypress, Playwright, Node.js, REST APIs, AWS, Terraform Responsibilities: Designing, writing, testing functionalities for a frontend system written in React & TypeScript Design frontend software architecture with connection to backend services and mobile apps Deploying and maintaining frontend / backend applications Maintaining system on production used by consumers from several European countries Debugging issues Scoping and assessing the complexity of features Participating in sprint planning, daily sprints and meetings with product owners for grooming new features Collaborating with other team members and teams who depend on functionalities that you develop Recruiting and mentoring new team members Required qualifications: 5+ years of production software development experience in React Strong understanding of software engineering principles, testing, design systems Solid hands-on experience in TypeScript Know-how of REST APIs Familiarity with DBMS like PostgreSQL, DynamoDB Computer Science degree AI Tooling usage Able to work with Agile methodologies such as SCRUM and/or Kanban Good communication and collaboration skills Self-motivation, proactive attitude Proficiency in English Nice to have: Exposure to backend development (can be in TypeScript) Some experience or interest in developing Cloud and Infrastructure solutions with AWS and CI/CD processes supported by tools like Docker, Kubernetes, Jenkins, Terraform, CircleCI, GitlabCI, Datadog, etc.

🏢 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: B2B remote Frontend Developer role supporting large-scale insurance transformation projects, focused on building modern, scalable frontend solutions in international agile teams. The position involves translating complex business requirements into technical designs and delivering high-quality client-facing applications using modern web technologies. 🗂️ Requirements: Strong hands-on experience with React, Strong knowledge of TypeScript and JavaScript ES6, Proficiency in HTML5, CSS3, SCSS, Minimum 3–4 years experience in corporate IT in similar role, Practical knowledge of REST architectures, Experience with unit testing, Knowledge of SQL and at least one database engine, Experience working in Agile/Scrum environment, Experience in international project teams 📃 Skills: React, TypeScript, JavaScript, ES6, HTML5, CSS3, SCSS, REST, SQL, UnitTesting, Databases, Agile, Scrum 🏢 Description: Start Date: ASAP / Within 1 Month / Flexible Work Model: 100% remote Contract Type: B2B (130-150 PLN/h + VAT) We are looking for an experienced Frontend Developer to support large-scale Insurance transformation projects. The role focuses on designing and delivering modern, scalable frontend solutions aligned with complex business and technical requirements. You will collaborate with international, agile delivery teams on client-facing implementations across multiple streams. Expectations: Strong hands-on experience with React and modern frontend technologies (TypeScript, JavaScript ES6, HTML5, CSS3, SCSS). Minimum 3-4 years of professional experience in a corporate IT environment in a similar role. Practical knowledge of RESTful architectures, unit testing, SQL, and at least one database engine. Excellent communication skills in English, with experience working on international projects. Familiarity with agile / scrum methodology Responsibilities: Contribute as a Frontend Developer across multiple implementation streams within Insurance projects. Analyze business requirements and translate them into frontend designs and technical solutions. Develop, test, debug, and document frontend applications using modern technologies. Collaborate with agile team members to achieve project milestones and client objectives. What We Offer: Medicover healthcare package Multisport card Access to an e-learning platform Group life insurance