Frontend Developer (React 18 / TypeScript / WCAG)

🏢 Summary: 6-month fully remote contract for a Mid Front-End Developer to build and enhance a modern EdTech web application. The role focuses on implementing accessible, high-quality UI components in React 18 with TypeScript and integrating them with a .NET REST API. You will contribute to a scalable, testable frontend architecture aligned with established project standards. 🗂️ Requirements: 5+ years experience as a Frontend React Developer, Commercial experience with React 18, Strong proficiency in TypeScript, Experience with Redux Toolkit for state management, Experience integrating REST APIs using Axios, Experience with SCSS for styling, Practical knowledge of WCAG 2.2 AA accessibility standards, Experience writing unit or component tests, Experience integrating frontend with .NET REST APIs, Ability to ensure responsive and cross-browser compatibility 📃 Skills: React, TypeScript, Redux, Axios, SCSS, WCAG, HTML, ARIA, REST, .NET 🏢 Description: About the Project We are looking for a Mid Front-End Developer to join us on a web application project in the EdTech industry - an educational platform being delivered for our client. The product is a modern, user-facing web application aimed at an end-user audience that expects a polished, accessible experience. Tech context Frontend : React 18 with TypeScript Backend : .NET (REST API) Design source : Figma Make Engagement Duration : 6 months - project runs through October 2026 Start date : ASAP Capacity : 140 hours/month up to full-time, depending on your availability Work mode : fully remote Equipment : your own hardware Responsibilities Implement UI views and components in React 18 with TypeScript based on designs delivered via Figma Make, adapting them to the existing project structure and libraries in use. Build reusable, testable, and maintainable components that follow the conventions already established in the codebase. Manage application state using Redux Toolkit . Integrate the frontend with the .NET REST API using Axios - handle requests, responses, error states, and loading states. Style components with SCSS , keeping the styling layer consistent and scalable. Deliver interfaces that comply with WCAG 2.2 AA standards: semantic HTML, correct ARIA usage, full keyboard navigation, sufficient color contrast, accessible forms, proper focus management, and screen reader compatibility. Write unit and/or component tests to protect critical flows and keep the codebase safe to change. Participate in code reviews - both as an author and as a reviewer - and contribute to raising the quality bar of the project. Collaborate daily with designers, backend developers, QA, and the Project Manager to scope, estimate, and deliver features. Support cross-browser and responsive behavior across target devices. Communicate blockers and risks early so we can replan together. Technical Requirements Required 5+ years of relevant experience as a Frontend React Developer Solid commercial experience with React 18 and TypeScript (this is the most important criterion). Redux Toolkit for state management. Axios for API integration. SCSS for styling. Working knowledge of WCAG accessibility requirements and experience applying them in production code. English - sufficient for written and spoken communication within the team. Nice to have Ant Design component library. Vitest for unit/component testing. Storybook for component development and documentation. Recruitment Process CV screening Technical interview Decision If this sounds like a fit, we'd love to see your CV.

🏢 Summary: Senior UX Engineer role to co-lead an internal design system and ShadCN-based UI libraries for a global financial institution. The position focuses on translating complex Figma architectures into production-ready React/TypeScript components while enforcing firmwide UI standards. It combines hands-on design system engineering, UX governance, and front-end quality enablement across enterprise applications. 🗂️ Requirements: 8+ years in front-end, UX engineering, or design-system engineering, Extensive experience managing large Figma design systems (tokens, variants, governance), Deep production experience with React, Deep production experience with TypeScript, Strong experience with Tailwind CSS, Strong experience with ShadCN UI, Strong experience with Radix UI, Strong practical knowledge of WCAG accessibility standards, Ability to define and enforce UI standards across engineering, design, and product teams 📃 Skills: React, TypeScript, Figma, ShadCN, Radix, Tailwind, Storybook, Git, HTML5, CSS, WCAG, DesignTokens 🏢 Description: 🔹 About the Project We are looking for a Senior UX Engineer to co-lead the internal design system, ShadCN-based UI libraries, and UI standards for a leading global financial institution. This is a highly technical, hands-on role bridging the gap between Figma architecture and production-ready React/TypeScript code across a massive, data-dense enterprise ecosystem. 🔹 The Role & Focus Areas Design System Engineering (35%): Maintaining ShadCN UI asset libraries and translating Figma patterns into production-ready React/TypeScript components. UX Governance (25%): Setting firmwide standards for tokens, variants, interaction states, layouts, and Figma libraries. Product Enablement (20%): Partnering with application teams to review workflows and improve UI consistency and usability. DevEx & Docs (20%): Writing clean documentation, building examples, and running code reviews to raise the front-end quality bar. 🔹 Must Haves (Non-Negotiables) 8+ years in front-end, UX engineering, or design-system engineering. Figma Architecture: Heavy experience managing large, comprehensive Figma design systems (tokens, variants, governance). Tech Stack Mastery: Deep production experience with React, TypeScript, Tailwind CSS, ShadCN UI , and Radix UI . Accessibility: Strong practical judgment of WCAG standards across complex workflows. Communication: Ability to enforce standards smoothly across engineering, design, and product teams. 🔹 Tech Stack Mandatory: React, TypeScript, Figma (Libraries & Tokens), ShadCN UI, Radix UI, Tailwind CSS. Tools: Storybook, Git, Design Tokens, Semantic HTML5/CSS. 🔹 Nice to Have Experience with capital markets, trading UIs, real-time grids, or financial charts. Modern tooling experience (monorepos, shared packages, Turborepo/Nx). Desktop interop experience (FDC3, OpenFin, Tauri, WebView2). Sounds like your next challenge? Send us your CV and let's talk!

🏢 Summary: Full-time remote UX/UI Designer role focused on delivering high-quality UI for an AI chat application over a 6-month B2B contract. The position centers on translating concepts into structured Figma designs, collaborating closely with product and development teams in a fast-paced environment. Strong emphasis on UI execution, design systems, and rapid visualization of ideas. 🗂️ Requirements: Strong proficiency in Figma, Proven portfolio of UI/design work, Ability to create sketches, wireframes, and UI explorations, Strong understanding of layout, visual hierarchy, and spacing, Experience creating and maintaining design systems and components, Experience collaborating with developers in product teams, Ability to work independently and proactively, Interest in AI, LLMs, and AI-driven products 📃 Skills: Figma, UI, UX, Wireframing, Prototyping, DesignSystems, Components, Typography, Branding, AI, LLM, GPT 🏢 Description: PROJECT INFORMATION: Industry: biological solutions Remote work: 100% Project language: English Business trips: n/a Project length: 6 months contracts + prolongations FTE: full-time Start: 06.07.2026 Assignment type: B2B We are seeking a motivated UX/UI Designer with a strong focus on UI to support a project of an AI chat application. This role requires exceptional skills in using Figma to transform verbal concepts into visual realities rapidly. The ideal candidate should possess a combination of creativity, technical proficiency, and a keen eye for design to contribute to a fast-paced project while collaborating closely with the lead designer and product team. Main Responsibilities Translate verbal ideas and rough concepts into sketches, wireframes, flows, and UI explorations. Explore visual styles and UI directions in Figma. Create, clean up, and organize screens, flows, components, and variants. Maintain a structured and usable Figma file. Support the lead designer by taking delegated tasks and moving them forward independently. Follow discussions with developers and track design decisions, updates, and open questions. Proactively identify useful tasks when there is no explicit assignment. Key Requirements Strong proficiency in Figma. Portfolio or clear evidence of previous UI/design work. Ability to sketch and visualize ideas quickly. Strong eye for UI, layout, visual hierarchy, spacing, and brand expression. Comfortable exploring and applying a brand visually. Proactive and able to work independently. Interest in AI, LLMs, GPT tools, and emerging AI product experience. Experience creating or maintaining components and design systems. Experience working with developers in fast-moving product teams.

🏢 Summary: Full-time remote UX/UI Designer role focused on delivering high-quality UI for an AI chat application. The position centers on rapidly translating concepts into structured Figma designs and collaborating closely with product and development teams in a fast-paced environment. Contract-based engagement with potential extensions. 🗂️ Requirements: Strong proficiency in Figma, Proven UI design portfolio, Ability to create wireframes and UI explorations, Experience building and maintaining design systems, Experience collaborating with developers, Ability to independently manage delegated design tasks, Strong understanding of visual hierarchy and layout, Interest in AI and LLM-based products 📃 Skills: Figma, UI, UX, Wireframing, Prototyping, DesignSystems, Components, AI, LLMs, GPT, Sketching, VisualDesign 🏢 Description: PROJECT INFORMATION: Industry: biological solutions Remote work: 100% Project language: English Business trips: n/a Project length: 6 months contracts + prolongations FTE: full-time Start: 06.07.2026 Assignment type: B2B We are seeking a motivated UX/UI Designer with a strong focus on UI to support a project of an AI chat application. This role requires exceptional skills in using Figma to transform verbal concepts into visual realities rapidly. The ideal candidate should possess a combination of creativity, technical proficiency, and a keen eye for design to contribute to a fast-paced project while collaborating closely with the lead designer and product team. Main Responsibilities Translate verbal ideas and rough concepts into sketches, wireframes, flows, and UI explorations. Explore visual styles and UI directions in Figma. Create, clean up, and organize screens, flows, components, and variants. Maintain a structured and usable Figma file. Support the lead designer by taking delegated tasks and moving them forward independently. Follow discussions with developers and track design decisions, updates, and open questions. Proactively identify useful tasks when there is no explicit assignment. Key Requirements Strong proficiency in Figma. Portfolio or clear evidence of previous UI/design work. Ability to sketch and visualize ideas quickly. Strong eye for UI, layout, visual hierarchy, spacing, and brand expression. Comfortable exploring and applying a brand visually. Proactive and able to work independently. Interest in AI, LLMs, GPT tools, and emerging AI product experience. Experience creating or maintaining components and design systems. Experience working with developers in fast-moving product teams.

🏢 Summary: Offer for a Senior Frontend Developer to build and enhance web applications using React and TypeScript, including creation of new components and frontend architecture design. The role involves integration with SharePoint On-Premise systems and participation in full project lifecycle from data source identification to deployment. Responsibilities also include database design, code quality assurance, and performance optimization. 🗂️ Requirements: Minimum 5 years experience in GUI web application development, Participation in at least 3 end-to-end projects from data source identification to deployment, Practical experience with React 18+, Strong knowledge of TypeScript, Experience with Redux Toolkit or other state management solutions, Experience with Ant Design or MUI, Strong knowledge of CSS, SCSS, Flexbox, CSS Grid, styled-components, Experience with SharePoint On-Premise integration, Experience with SharePoint REST API integration, Knowledge of frontend architectural patterns, Experience with ESLint, Prettier, code review, refactoring, Ability to handle on-premise environment issues (CORS, proxy, security policies) 📃 Skills: React, TypeScript, Redux, RTK, AntD, MUI, CSS, SCSS, Flexbox, CSSGrid, styled-components, SharePoint, REST, ESLint, Prettier, CORS, Proxy 🏢 Description: Opis projektu Projekt obejmuje rozwój aplikacji frontendowych opartych o React i TypeScript, budowę nowych komponentów oraz rozwój warstwy wizualnej aplikacji webowych. Zakres współpracy obejmuje również integracje z systemami SharePoint On-Premise oraz udział w projektowaniu architektury frontendowej. Zakres współpracy przygotowywanie i rozwój szablonów frontend aplikacji webowych budowa nowych funkcjonalności frontendowych zgodnie z wymaganiami biznesowymi współpraca z zespołem projektowym, Product Ownerem i analitykami planowanie oraz estymacja prac developerskich projektowanie i programowanie baz danych na potrzeby aplikacji tworzenie dokumentacji technicznej i powykonawczej stosowanie dobrych praktyk programistycznych i wzorców architektonicznych Wymagania obligatoryjne minimum 5 lat doświadczenia w programowaniu GUI aplikacji webowych udział w minimum 3 projektach realizowanych od etapu identyfikacji źródeł danych do wdrożenia aplikacji praktyczne doświadczenie w pracy z React 18+ oraz TypeScript znajomość zarządzania stanem z wykorzystaniem Redux Toolkit lub innych rozwiązań state management doświadczenie w pracy z bibliotekami Ant Design (AntD) oraz/lub MUI praktyczna znajomość CSS / SCSS , Flexbox, CSS Grid oraz styled-components doświadczenie w integracji frontendów z SharePoint On-Premise oraz REST API SharePoint znajomość wzorców architektonicznych frontendowych doświadczenie w zapewnianiu jakości kodu (ESLint, Prettier, code review, refaktoryzacja) umiejętność rozwiązywania problemów środowisk on-premise (CORS, proxy, polityki bezpieczeństwa) Wymagania dodatkowe doświadczenie z modular architecture / feature-based architecture doświadczenie z RTK Query doświadczenie w optymalizacji renderowania i wydajności aplikacji doświadczenie w pracy z utility types oraz type guards w TypeScript doświadczenie w integracji z API

🏢 Summary: Full-time remote B2B UX/UI Designer role focused on delivering high-quality UI for an AI chat application. The assignment involves transforming concepts into structured Figma designs, collaborating with product and development teams, and contributing to a fast-paced AI-driven project. Initial 6-month contract with possible extensions. 🗂️ Requirements: Strong proficiency in Figma, Proven UI portfolio, Ability to create sketches, wireframes, and UI flows, Experience building and maintaining design systems and components, Strong understanding of layout, visual hierarchy, and spacing, Experience collaborating with developers in product teams, Ability to work independently and proactively, Interest in AI and LLM-based products 📃 Skills: Figma, UI, UX, Wireframing, Prototyping, DesignSystems, Components, AI, LLM, GPT 🏢 Description: PROJECT INFORMATION: Industry: biological solutions Remote work: 100% FTE: full-time Project language: English Business trips: n/a Project length: 6 months contracts + prolongations. Start: 06.07.2026 Assignment type: B2B We are seeking a motivated UX/UI Designer with a strong focus on UI to support a project of an AI chat application. This role requires exceptional skills in using Figma to transform verbal concepts into visual realities rapidly. The ideal candidate should possess a combination of creativity, technical proficiency, and a keen eye for design to contribute to a fast-paced project while collaborating closely with the lead designer and product team. Main Responsibilities Translate verbal ideas and rough concepts into sketches, wireframes, flows, and UI explorations. Explore visual styles and UI directions in Figma. Create, clean up, and organize screens, flows, components, and variants. Maintain a structured and usable Figma file. Support the lead designer by taking delegated tasks and moving them forward independently. Follow discussions with developers and track design decisions, updates, and open questions. Proactively identify useful tasks when there is no explicit assignment. Key Requirements Strong proficiency in Figma. Portfolio or clear evidence of previous UI/design work. Ability to sketch and visualize ideas quickly. Strong eye for UI, layout, visual hierarchy, spacing, and brand expression. Comfortable exploring and applying a brand visually. Proactive and able to work independently. Interest in AI, LLMs, GPT tools, and emerging AI product experience. Experience creating or maintaining components and design systems. Experience working with developers in fast-moving product teams.

🏢 Summary: Senior Frontend Developer role focused on designing, developing and maintaining web applications using React and TypeScript, with close integration to REST APIs. The position involves performance optimization, code quality assurance, and adherence to security and W3C standards. The role also includes managing build processes and collaborating on technical solution design. 🗂️ Requirements: Higher education in Computer Science or related field, Minimum 5 years of commercial experience in web application development, Very good knowledge of JavaScript (ES6/ES7), Very good knowledge of TypeScript, Very good knowledge of HTML5, Very good knowledge of CSS3, Experience with React (Redux, Saga), Experience with Node.js, Experience with NPM, Experience with Bootstrap, Experience with jQuery, Experience with Webpack, Experience with Gulp or Grunt, Experience with SASS or LESS, Knowledge of OOP design patterns, Knowledge of OWASP Top 10, Experience with REST API integration, Knowledge of W3C standards, Ability to optimize web application performance, Experience with Git, English proficiency for working with technical documentation 📃 Skills: JavaScript, TypeScript, HTML5, CSS3, React, Redux, Saga, Node.js, NPM, Bootstrap, jQuery, Webpack, Gulp, Grunt, SASS, LESS, OOP, OWASP, REST, W3C, Git, ES6, ES7 🏢 Description: Twój zakres obowiązków Projektowanie, rozwój i utrzymanie aplikacji webowych (frontend + integracje) Tworzenie nowych funkcjonalności w oparciu o React oraz TypeScript Współpraca z zespołem backendowym przy integracji REST API Dbanie o jakość kodu (code review, stosowanie dobrych praktyk i wzorców projektowych) Optymalizacja wydajności aplikacji oraz poprawa UX/UI Utrzymanie zgodności ze standardami W3C oraz zasadami bezpieczeństwa (OWASP Top 10) Udział w analizie wymagań i projektowaniu rozwiązań technicznych Zarządzanie zależnościami i procesem budowania aplikacji (Webpack, Gulp/Grunt) Praca z systemem kontroli wersji Git Nasze wymagania Wykształcenie wyższe (preferowane kierunki informatyczne lub pokrewne) Minimum 5 lat doświadczenia komercyjnego w tworzeniu aplikacji webowych Bardzo dobra znajomość: JavaScript (ES6/ES7), TypeScript, HTML5, CSS3 Doświadczenie w pracy z: React (Redux, Saga), Node.js, NPM, Bootstrap, jQuery, Webpack oraz, Gulp/Grunt, Preprocesorami CSS (SASS/LESS) Znajomość wzorców projektowych (OOP) Znajomość zagadnień bezpieczeństwa aplikacji (OWASP Top 10) Doświadczenie w pracy z REST API Znajomość standardów W3C Umiejętność optymalizacji wydajności aplikacji Znajomość systemu kontroli wersji Git Znajomość języka angielskiego na poziomie umożliwiającym pracę z dokumentacją techniczną Mile widziane Doświadczenie w pracy w metodykach Agile/Scrum Znajomość narzędzi do lintowania (TSlint/JSLint) i dbałość o jakość kodu Doświadczenie w pracy z dużymi aplikacjami frontendowymi (SPA) Umiejętność pisania testów jednostkowych i integracyjnych Znajomość CI/CD Doświadczenie w pracy z nowoczesnymi narzędziami developerskimi i automatyzacją buildów Zainteresowanie nowymi technologiami frontendowymi i trendami

🏢 Summary: Long-term B2B contract for a Senior Frontend Developer focused on building and evolving frontend applications using React and TypeScript within a serverless AWS environment. The role involves designing, developing, and integrating frontend solutions with cloud services in an Agile team. Strong practical experience with AWS and serverless architecture is essential. 🗂️ Requirements: Senior-level experience in frontend development, Strong knowledge of React, Strong knowledge of TypeScript, Commercial experience with AWS, Experience with serverless architecture, Experience with AWS Lambda, Experience with AWS CDK or similar infrastructure tools 📃 Skills: React, TypeScript, AWS, Lambda, CDK, Serverless 🏢 Description: Senior Frontend Developer / Senior React Developer Zaangażowanie: długoterminowe Wymiar pracy: full-time Forma współpracy: B2B Start: ASAP Język pracy: angielski Środowisko pracy: Agile Dołączysz do długoterminowego projektu jako Senior Frontend Developer, pracując przede wszystkim z Reactem i TypeScriptem. Projekt jest realizowany w środowisku opartym o AWS oraz podejście serverless, dlatego ważne jest realne doświadczenie z usługami chmurowymi, a nie tylko podstawowa znajomość AWS. Na co dzień będziesz współpracować z zespołem technicznym w środowisku Agile, brać udział w projektowaniu i rozwijaniu rozwiązań frontendowych oraz współpracować z zespołem backendowym/fullstackowym przy integracji aplikacji z usługami chmurowymi. Nasze wymagania: doświadczenie na poziomie Senior Frontend Developer, bardzo dobra znajomość React jako głównej technologii, bardzo dobra znajomość TypeScript, realne doświadczenie komercyjne z AWS, znajomość podejścia serverless, w tym pracy z AWS Lambda, doświadczenie w pracy z AWS CDK lub podobnymi narzędziami infrastrukturalnymi, bardzo dobra komunikacja w języku angielskim, proaktywność, samodzielność i umiejętność jasnego omawiania tematów technicznych, gotowość do udziału w szczegółowym interview technicznym i komunikacyjnym. Mile widziane: znajomość Node.js, doświadczenie fullstackowe, przy zachowaniu frontendowego profilu roli, znajomość Terraform, doświadczenie z GitHub Actions, znajomość Datadog, doświadczenie z GitHub Copilot, doświadczenie w projektach opartych o architekturę serverless. Technologie: React, TypeScript, AWS, AWS CDK, AWS Lambda, Node.js, Terraform, GitHub Actions, Datadog, GitHub Copilot. Zakres zadań: rozwój aplikacji frontendowych w React i TypeScript, projektowanie i wdrażanie rozwiązań zgodnie z dobrymi praktykami frontendowymi, współpraca z zespołem pracującym w architekturze serverless na AWS, udział w technicznych dyskusjach, code review i podejmowaniu decyzji projektowych, integracja aplikacji z usługami backendowymi i chmurowymi, praca z narzędziami CI/CD oraz monitoringiem, aktywna komunikacja z zespołem i interesariuszami w języku angielskim.

🏢 Summary: Offer for an experienced Frontend React Developer to build and scale modern, high-performance frontend applications. The role focuses on developing user interfaces, integrating with REST APIs, and ensuring code quality and performance within an Azure Cloud environment. The position involves active participation in technical decisions and CI/CD processes. 🗂️ Requirements: Minimum 5 years of experience as Frontend Developer, Strong knowledge of React 18 and its ecosystem, Experience with TypeScript including advanced types and generics, Practical knowledge of PrimeReact and PrimeFlex, Experience with react-hook-form and Yup validation, Experience with REST API integration using Axios, Experience with Azure Cloud integration, Knowledge of frontend best practices and clean code principles, Proficiency with Git 📃 Skills: React, TypeScript, PrimeReact, PrimeFlex, react-hook-form, Yup, REST, Axios, Azure, Git, CI/CD 🏢 Description: About the project Poszukujemy Frontend React Developera do tworzenia i skalowania nowoczesnych, wydajnych aplikacji frontendowych. Our expectations Minimum 5 lat doświadczenia na stanowisku Frontend Developer; Bardzo dobra znajomość React 18 oraz jego ekosystemu (Hooks, Context API, optymalizacja wydajności); Doświadczenie w pracy z TypeScript, w tym zaawansowane typowanie i wykorzystanie generyków; Praktyczna znajomość PrimeReact oraz PrimeFlex w kontekście budowy interfejsów i responsywności; Doświadczenie w tworzeniu i obsłudze formularzy z wykorzystaniem react-hook-form oraz walidacji przy użyciu Yup; Umiejętność integracji z API (REST) przy użyciu Axios; Doświadczenie w projektowaniu oraz integracji rozwiązań w środowisku Azure Cloud; Znajomość dobrych praktyk frontendowych (clean code, modularność, testowalność); Biegłość w pracy z systemem kontroli wersji Git; Znajomość języka angielskiego na poziomie umożliwiającym swobodną komunikację (B2). Welcome Skills Doświadczenie w optymalizacji wydajności aplikacji frontendowych; Znajomość narzędzi testowych, takich jak Jest czy React Testing Library; Doświadczenie w pracy z procesami CI/CD, szczególnie w środowisku Azure. Key tasks Tworzenie i rozwijanie aplikacji frontendowych; Budowanie interfejsów użytkownika; Integracja z backendem przez API; Dbanie o jakość kodu i stosowanie dobrych praktyk; Poprawianie wydajności aplikacji i doświadczenia użytkownika; Udział w procesie wdrożeń (CI/CD); Udział w decyzjach technicznych.

🏢 Summary: Senior Front-End Developer role focused on building scalable, secure fintech solutions using React.js and TypeScript. The position involves designing large-scale distributed systems, developing and integrating APIs, and ensuring high-quality standards across the development lifecycle. The role also includes mentoring engineers and contributing to architectural decisions in a cloud-based environment. 🗂️ Requirements: 5+ years of front-end development experience, 3+ years of experience with TypeScript, 4+ years of experience with React.js, Experience designing distributed and secure systems, Understanding of microservices architecture, Experience designing and maintaining APIs, Experience building and consuming REST or GraphQL APIs, Experience with AWS cloud services, Knowledge of testing best practices, Upper-Intermediate English proficiency 📃 Skills: React.js, TypeScript, JavaScript, REST, GraphQL, AWS, Microservices, APIs, Docker, Kubernetes, CI/CD 🏢 Description: Ready to take your front-end expertise to the next level? At Sigma Software, we’re looking for a Senior Front-End Developer with strong React.js expertise who thrives on crafting exceptional user experiences and delivering high-quality, scalable solutions. Joining Sigma Software means becoming part of a global team that values your ideas, supports your growth, and empowers you to make an impact. We believe in combining cutting-edge technologies with a culture of collaboration and continuous improvement. Customer Our client has rapidly become one of Europe’s most swiftly expanding FinTech companies. They oversee all aspects of financial operations, from generating virtual cards to facilitating wire transfers and maintaining customer account balances. As a payment institution, our client provides a platform that integrates financial services into its product, offering features such as account management, card payments, bank transfers, and additional services. Responsibilities Design and implement large-scale software solutions and components, primarily using React.js and TypeScript Maintain high-quality standards throughout development, testing, and deployment phases Collaborate closely with cross-functional teams to understand requirements and deliver optimal solutions Mentor and guide less-experienced engineers, fostering knowledge sharing and skill development Apply clean code principles, design patterns, and best practices in all development work Ensure system security and scalability in distributed architectures Participate in code reviews and continuous improvement initiatives Requirements 5+ years of experience in front-end software development 3+ years of experience with TypeScript 4+ years of experience working with React.js Strong expertise in designing distributed and secure systems Solid understanding of microservices architecture Experience in designing, building, and maintaining APIs Proficiency in building and consuming REST and/or GraphQL APIs Experience working with AWS cloud services Knowledge of testing best practices Upper-Intermediate or higher English proficiency Would be a plus Familiarity with DevOps practices Experience with CI/CD pipelines and automation tools Knowledge of containerization (Docker, Kubernetes) Exposure to financial services or payment systems Understanding of regulatory compliance in FinTech Personal Profile Strong analytical and problem-solving skills Excellent communication and team collaboration abilities Proactive approach to learning and adopting new technologies Leadership mindset with mentoring capabilities Attention to detail and commitment to quality