👉 Middle Frontend Developer (React)

🏢 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 Engineer role focused on building scalable, responsive web applications for a global e-commerce platform using modern frontend technologies. The position involves developing reusable UI components, collaborating with cross-functional teams, and improving frontend architecture in a fully remote environment. The offer includes a COE contract, benefits package, and opportunities for continuous technical growth. 🗂️ Requirements: Degree in Computer Science or equivalent experience, 2–4 years of commercial frontend or software engineering experience, Experience developing production web applications, Knowledge of JavaScript, Knowledge of TypeScript, Knowledge of HTML, Knowledge of CSS, Experience with React ecosystem, Experience with React Router, Experience with Vite, Webpack, or Rsbuild, Experience with Zustand, TanStack React Query, or Redux, Experience with Tailwind CSS, HeroUI, or Material UI, Experience writing unit tests with Jest and Testing Library, Familiarity with Playwright or Cypress, Understanding of reusable component development, Familiarity with Git workflows, Basic understanding of CI/CD pipelines, Experience integrating REST APIs, Basic understanding of cloud applications, Basic SQL knowledge, Ability to work in Agile teams 📃 Skills: React, TypeScript, JavaScript, HTML, CSS, ReactRouter, Vite, Webpack, Rsbuild, Zustand, TanStack, Redux, Tailwind, HeroUI, MaterialUI, Jest, TestingLibrary, Playwright, Cypress, Git, CI/CD, GitHubActions, Azure, AzureDevOps, Jenkins, REST, SQL, MySQL, PostgreSQL 🏢 Description: Position: Frontend Engineer Type of contract: COE (UoP) up to 17 000PLN gross/month Working model: fully remote You can join our client and work on a modern digital platform designed to better connect shoppers and retailers within the global e-commerce ecosystem. The project focuses on building and enhancing scalable web applications and core services that power user interactions. You’ll collaborate closely with product and design teams to deliver intuitive, high-performance user experiences. The environment emphasizes innovation, usability, and continuous improvement of frontend architecture. Role summary: As a Frontend Engineer , you will contribute to the development of modern, responsive web applications while working closely with cross-functional teams. You will be responsible for implementing user interfaces based on UI/UX designs, building reusable components, and ensuring high code quality. This role offers the opportunity to work with modern frontend technologies, collaborate with experienced engineers, and continuously develop your technical skills in a global e-commerce environment. Responsibilities: Develop and maintain modern, responsive user interfaces using React and TypeScript; Collaborate with designers, backend engineers, QA, and DevOps teams to deliver high-quality features; Translate UI/UX designs into clean, maintainable, and reusable code; Build reusable UI components and contribute to a consistent frontend architecture; Optimize application performance and improve user experience; Participate in code reviews and follow engineering best practices; Ensure cross-browser compatibility, responsiveness, and accessibility standards; Troubleshoot and resolve frontend issues while supporting continuous product improvements. Key requirements: Degree in Computer Science (or equivalent practical experience); 2–4 years of commercial experience in software engineering or frontend development; Hands-on experience in developing production web applications; Good knowledge of JavaScript, TypeScript, HTML, and CSS , with practical experience using TypeScript in commercial projects; Experience working with the React ecosystem , including React Router and modern build tools such as Vite, Webpack, or Rsbuild ; Experience with state management and data-fetching libraries such as Zustand, TanStack React Query, Redux , or similar solutions; Familiarity with modern component libraries and styling solutions such as Tailwind CSS, HeroUI, Material UI , or similar; Experience writing unit tests using Jest and Testing Library ; familiarity with E2E testing tools such as Playwright or Cypress is a plus; Understanding of reusable component development and frontend best practices; Familiarity with Git and collaborative development workflows; Basic understanding of CI/CD pipelines and release processes (GitHub Actions, Azure DevOps, Jenkins, or similar); Experience working with REST APIs and integrating frontend applications with backend services; Basic understanding of cloud-based applications; experience with Azure is an advantage; Understanding of relational databases and basic SQL knowledge (MySQL or PostgreSQL); Familiarity with monitoring and logging tools is considered a plus; Strong communication skills and the ability to work effectively within Agile teams; Proactive attitude, willingness to learn, and the ability to independently deliver well-defined features with attention to quality. Offer: COE (UoP), up to 17 000 PLN gross per month ; Private healthcare, life insurance, sports card, and lunch subsidy; Learning and development support (including tuition assistance); Employee Assistance Program; Fully remote work model supporting work–life balance; Opportunity to collaborate with experienced engineers on global-scale e-commerce solutions.

🏢 Summary: Frontend Developer role focused on building and maintaining front-end applications that consume REST APIs in a hybrid work model. The position involves coding in line with application requirements, debugging, and enhancing existing solutions while collaborating within a development team. The role requires strong technical expertise in Angular and related technologies, along with effective communication in an international environment. 🗂️ Requirements: Experience with Angular Framework, Strong knowledge of TypeScript, Strong knowledge of JavaScript, Ability to consume and render data via REST APIs, Expertise in Hadoop, Expertise in MapReduce, Ability to reuse existing code in new applications, Fluent English 📃 Skills: Angular, TypeScript, JavaScript, REST, Hadoop, MapReduce, APIs 🏢 Description: General info: Model of work: hybrid (2-3 times per week work from office in Łódź) Type of contract: B2B contract Rate: 80 - 100 PLN net + vat/h Overview We are seeking a skilled Frontend Developer to design, create, and maintain front-end applications that effectively consume REST APIs. The ideal candidate must demonstrate strong communication skills and the ability to explain complex technical topics to non-technical audiences. This role involves ensuring that application code meets all requirements, along with debugging and enhancing application procedures. Main Responsibilities: Designing, creating, and maintaining front-end applications to consume REST APIs. Writing code in accordance with application requirements. Collaborating as part of a software development team to meet standards. Explaining complex technical concepts in clear language. Debugging applications to ensure functionality. Making suggestions for application enhancements and infrastructure improvements. Contributing to a positive work environment through effective teamwork. Key Requirements: Excellent communication skills to build trust with team members and stakeholders. Experience with Angular Framework. Strong knowledge of TypeScript and JavaScript. Ability to consume and render data via APIs. Capability to reuse existing code in new applications. Expertise in Hadoop and MapReduce. Fluent English is a must (daily communication in international environment) Nice to Have: Experience in similar financial institutions or environments. Knowledge of additional programming languages or frameworks. Understanding of DevOps practices.

🏢 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: 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: Long-term B2B contract for an experienced Frontend Software Engineer focused on building and maintaining complex Angular-based web applications and SPAs in a mostly remote EU-based setup. The role includes frontend architecture, reusable UI components, REST API integration, testing, performance optimization, accessibility, and collaboration with UX/UI teams. Occasional travel to Brussels may be required. 🗂️ Requirements: Minimum 5 years of experience in frontend development, Higher education, Minimum 5 years of experience with Angular, Minimum 5 years of experience with TypeScript, Minimum 5 years of experience with HTML5, Minimum 5 years of experience with JavaScript, Experience with Angular CLI, Experience with Webpack, Experience with global and local state management, Minimum 1 year of experience with EUI Platform, Minimum 6 years of experience with REST API integration and asynchronous handling, Minimum 4 years of experience with Git, Minimum 4 years of experience with GitLab CI/CD, Minimum 4 years of experience with JIRA or similar tools, Minimum 4 years of experience with Confluence or similar tools, Minimum 6 years of experience with responsive and adaptive design, Minimum 2 years of experience with accessibility standards, Minimum 4 years of experience with frontend unit testing tools, Minimum 1 year of experience with Angular signals, Minimum 6 months of experience with Once-Only principle supporting information systems, Experience with integration testing, Experience analysing complex frontend and UI issues, Experience reading technical specifications, standards, and RFCs, Experience with debugging and root cause analysis, Experience identifying technical debt and proposing improvements, English level B2 or higher 📃 Skills: Angular, TypeScript, HTML5, JavaScript, Webpack, AngularCLI, REST, Git, GitLab, JIRA, Confluence, EUI, CI/CD, SPA, Testing, Accessibility, Responsive, API, RFC, UX, UI 🏢 Description: Currently, for one of our Partners, we are looking for an experienced Frontend Software Engineer. Offer: B2B contract via SHIMI Poland Mostly remote , services must be performed from within the EU. Occasional travelling to Brussels may be required (the client may request on-site presence in Brussels with 7 days’, at contractor’s cost) Rate: 200-500 EUR/MD nett+VAT (depending on seniority level ) Long-term cooperation Tasks: Development of front-end website architecture. Development of features to enhance the user experience. Building reusable code for future use. Apply data and security best practices: input validation, authentication/authorization, secure storage, compliant logging and monitoring. Ensure web applications are optimized for performance and functionality across different browsers and devices. Design and implement responsive applications. Design and implement SPAs. Design and implement reusable composable UI components. Writing clean, maintainable and efficient code on the front-end. Compile and analyse data, processes, and code to troubleshoot problems and identify areas for improvement. Perform unit/integration testing, debug, fix, and validate code changes. Deliver solutions that fulfil functional and non-functional requirements and align with user expectations. Write technical documentation. Collaborate with UX/UI designers to translate wireframes and mock-ups into functional, high-fidelity web pages and components. Build user interfaces using modern front-end frameworks, libraries and web standards. Implement state management solutions to manage data flow within complex applications. Contribute to architectural decisions and frontend best practices to ensure alignment with project goals and standards Requirements Minimum 5 years of experience in the similar position Higher education Experience in building complex, modular client-side applications with lifecycle methods props/state patterns, and component communication using Angular and TypeScript, HTML5, Javascript , including build tooling ( Angular CLI, Webpack ) and state management (both global and local state mgmt.) – at least 5 years Experience with EUI Platform – at least 1 year Experience in REST API integration and async handling – at least 6 years Experience with development lifecycle tooling, including version control (Git), CI/CD pipelines (GitLab), issue tracking (JIRA or similar ), collaboration ( Confluence or similar ) – at least 4 years Experience with responsive and adaptive design – at least 6 years Experience with accessibility standards – at least 2 years Experience with front-end testing frameworks and tools for unit testing – at least 4 years Experience with Angular signals – at least 1 year At least 6 months experience with Once-Only principle supporting information systems including implementation at any level of public administration Experience with integration testing Experience in analysing complex front-end and UI issues and design solutions Experience reading and interpreting technical specifications, standards, and RFCs Experience in debugging, root cause analysis , and post-incident learning Experience in identifying technical debt and proposing incremental improvement Excellent knowledge of English (minimum level - B2)

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

🏢 Summary: Senior Frontend Engineer role focused on leading development of a high-traffic web application for shipping management and rate comparison. The position involves end-to-end frontend ownership, from translating designs into production-ready interfaces to optimizing performance and accessibility. You will shape architecture decisions and maintain standards within a React/TypeScript monorepo environment. 🗂️ Requirements: 8+ years of production frontend development experience, 3+ years in senior role within scale-up or start-up environment, Deep expertise in React and TypeScript, Strong knowledge of state management and component architecture, Proficiency in HTML semantics and modern CSS, Experience with web performance optimization and Core Web Vitals, Practical expertise in WCAG 2.2 AA accessibility standards, Experience with unit, integration, and end-to-end testing, Experience working with monorepos, Ability to contribute to frontend and API architecture decisions 📃 Skills: React, TypeScript, JavaScript, HTML, CSS, Grid, Flexbox, WCAG, CoreWebVitals, Testing, Monorepo, API, AWS, Snowflake, Figma 🏢 Description: Senior Frontend Engineer Our Client is an ambitious tech company on a mission to create a frictionless shipping experience for SMEs. They wrap real-time pricing, comparison, booking, and tracking into a clean and unified interface, replacing outdated logistics processes with a seamless digital platform. Role We are looking for an experienced Senior Frontend Engineer to play a central role in shaping a web app where thousands of customers every week sign up, compare rates, manage integrations, and book shipments. You will work end-to-end—from understanding customer problems to shipping production code—while leading frontend work on a core value team (Customer Experience, Marketplace, or SaaS). Responsibilities Plan and lead frontend development within your value team, collaborating closely with PMs, designers, and backend engineers. Translate designs into production user interfaces that are accessible, performant, well-tested, and consistent with the rest of the product. Build prototypes to put working code in front of customers when validating product ideas. Own web performance on the surfaces you touch, ensuring excellent Core Web Vitals to boost conversion rates. Champion accessibility across the platform (WCAG 2.2 AA is the baseline). Contribute to architecture decisions that cross the frontend/backend line, including API boundaries and real-time updates. Maintain shared standards across a React/TypeScript monorepo through code reviews and technical councils. Mentor junior engineers and contribute to the evolution of the company's design system. Key competences 8+ years of experience writing production frontend code, with the last 3+ at a senior level in a scale-up/start-up environment. Deep React and TypeScript experience, with strong opinions on state management and component architecture. Solid web fundamentals: HTML semantics, modern CSS (Grid, Flexbox, container queries), browser rendering pipelines, and the network layer. Accessibility expertise as a practitioner skill, capable of spotting WCAG issues during design reviews. Fluency in web performance, measuring and optimizing Core Web Vitals on real products. High testing maturity (unit, integration, and end-to-end tests). Excellent written and spoken English communication skills. Bonus points for: Experience with large-scale monorepos, background in logistics/marketplaces/B2B SaaS, contributing to design systems, embedding AI-assisted features, or a working knowledge of Go. Salary and Conditions Salary up to 7000 Euro per month 100% remote from Poland B2B contract signed directly with our Client Start ASAP Benefits Work with a modern tech stack (React, TypeScript, AWS, Snowflake, Figma, Claude Code, etc.) A curious, collaborative, low-ego culture within a Great Place to Work certified 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 role focused on building and delivering cloud-based software using modern JavaScript technologies, React, and Software Craftsmanship practices in a remote-first environment. The position involves end-to-end software development, collaboration with international teams, and working with distributed systems and cloud platforms. Candidates will contribute to scalable solutions while leveraging AI-assisted development tools and clean architecture principles. 🗂️ Requirements: 5+ years of professional experience with JavaScript, Experience with Modern JavaScript, Experience with TypeScript, Experience with React, Experience with RxJS, Experience with Node, Experience with Mocha, Experience with Express, Experience with Enzyme, Understanding of distributed systems, Understanding of microservices, Understanding of event-driven architectures, Experience with cloud platforms, AI-assisted software development experience, Ability to design, test, deploy, and maintain cloud-based systems 📃 Skills: JavaScript, TypeScript, React, RxJS, Node, Mocha, Express, Enzyme, AWS, GCP, Azure, Microservices, Cloud, Claude 🏢 Description: We are looking for a Senior Frontend Software Engineer who is hungry to deliver quality software at pace, by utilising the latest technology trends and modern Software Craftsmanship techniques. Who are we ? We are a remote-first boutique software house company founded by a group of seasoned software experts (average experience in the team is 12 years). What connected all of us, despite a long-term relationship, is a passion for building Great Software that matters. We believe in people, so this is why the key values of Shaped Thoughts are autonomy and trust. Our people have a real and direct impact on what and how we build things. We put extra effort into ensuring everyone can make a difference and grow among other experts. Qualifications: Modern JS, TypeScript, React, RxJS, Node, Mocha, Express, Enzyme 5+ years of professional experience with JavaScript Understanding of distributed systems, microservices, and event-driven architectures Experience with cloud platforms (AWS / GCP / Azure) AI-assisted software development experience As a part of the team you will : Design, implement, code review, test and deploy cloud-based systems Develop software from start to finish - you ship it, you run it! Collaborate with other international teams on paving the way for a successful delivery Work closely with senior stakeholders on identifying business requirements and shaping the product Deliver quality technical solutions that come from a robust design and clean architecture Build & improve the software delivery process using tools such as Claude Code How do we work? We work as a team - all people can freely exchange knowledge and tasks, that’s why we’re looking for strong team players We believe in continuous improvement (Kaizen mindset) We’re happy to share knowledge and spend time learning our domain and new technologies We value asynchronous communication for work, however we meet in person to improve our personal relationships What do we offer ? Being a part of a strong senior team with an ability to learn and exchange knowledge Remote-first work environment (or you can work from our office in Wroclaw if you fancy :-) B2B rate 140-190 PLN / hour, depending on your level of expertise Open-ended B2B contract or contract of employment Recruitment process It consists of the following stages: CV screening Tech screening (45 min) Live coding session (1.15h) The last stage is F2F and requires on-site presence in one of the major cities: Wrocław, Poznań, Katowice, Kraków, Warszawa or Gdańsk. We actively encourage AI-assisted development in our daily work. However, during recruitment, we want to assess your individual skills - please don't use AI assistance unless explicitly permitted for a given stage.