Fullstack Developer

🏢 Summary: Remote software development role focused on building backend content migration services with Node.js and developing React frontend components for CMS platforms. The position involves data transformation, performance optimization, accessibility improvements, and integration with modern web technologies. Candidates should have strong JavaScript/TypeScript experience and expertise in Node.js, React, REST APIs, and Redis. 🗂️ Requirements: 4+ years of experience with JavaScript, 4+ years of experience with TypeScript, 3+ years of experience with Node.js, 3+ years of experience with React, Experience with website performance optimization, Experience with accessibility improvements, Knowledge of REST APIs, Experience with Redis, Basic knowledge of Docker, English level B2 or higher, Ability to understand existing codebases quickly, Ability to write clean and maintainable code, Understanding of software design patterns, Knowledge of development best practices 📃 Skills: JavaScript, TypeScript, Node.js, React, REST, Redis, Docker, NestJS, TRPC, Next.js, Xano, HTML, CSS, AWS, Azure, GCP, Directus, Strapi 🏢 Description: ✨ About Us We are a software services company from France. Our goal is to help businesses improve the way they work by creating smart and simple software. We use AI agents, low-code platforms, and SaaS tools to build fast and effective solutions. Our clients fully own the software, without technical debt or long-term dependence on us. We are both consultants and software developers. We do more than build what clients ask for. We take time to understand their business and find better ways to help them work. 🏠 Offices Our main office is in Paris, but our technical team works remotely. ⚡ Our Values Do our work to the highest standard. Deliver the best technical and business quality for our clients. Be kind, honest, respectful, and enjoy working together. Stay curious and keep learning new things. ✏️ Your Responsibilities Become an independent and trusted member of the team. Develop strong expertise in your work. Build and support backend services using Node.js for content migration. Create data transformation layers to move content from old CMS platforms to the Arc XP format. Find and fix data problems between source and target systems. Develop reusable React components based on Arc design guidelines. Improve frontend performance and keep the code clean and well organized. Make sure applications are accessible and work well on different devices. 🎯 Requirements At least 4 years of experience with JavaScript and TypeScript . At least 3 years of experience with Node.js . At least 3 years of experience with React . Experience improving website performance, accessibility, and web analytics. Good knowledge of REST APIs. Experience with Redis (caching, pub/sub, and queues). Basic knowledge of Docker and containers. English at B2 level or higher. Ability to understand existing code quickly. Ability to write clean, readable, and maintainable code. Good understanding of software design patterns and development best practices. 🧩 Nice to Have Experience with CMS platforms such as Directus or Strapi. Experience with analytics tools like Google Analytics, Adobe Analytics, Amplitude, or Piano. Knowledge of SEO best practices. Experience migrating data between CMS platforms or databases. Experience improving the performance of content-rich websites. Experience with cloud platforms such as AWS, Google Cloud, or Azure. Experience with custom React-based frameworks. 💻 Technologies We Use Backend: Xano (low-code backend platform), NestJS, Node.js, TypeScript, TRPC Frontend: Next.js and custom React applications. 🤝 Hiring Process A 1-hour interview with HR, including a technical pre-screening in English. Your answers will be recorded and shared with our technical team for review. A 1.5-hour technical interview. A 30-minute interview with the CTO.

🏢 Summary: The offer is for a Senior Frontend Developer responsible for building and maintaining user interfaces using React within AI-powered business platforms. The role focuses on developing high-quality, scalable front-end solutions with strong emphasis on TDD, performance, and cross-team collaboration. Candidates will work in an Agile environment delivering robust, user-friendly products. 🗂️ Requirements: 6+ years of experience with JavaScript and TypeScript, Strong knowledge of React.js and Redux, Understanding of JavaScript design patterns, Knowledge of functional programming, Knowledge of asynchronous programming, Experience with Git and branch management, Ability to debug front-end issues using debugging tools, Experience creating and integrating custom packages, Understanding of object-oriented programming in JavaScript, Hands-on experience with HTML5 and CSS3, Experience with Test-Driven Development (TDD), Experience with Continuous Integration, Familiarity with Agile development practices, Ability to write cross-browser compatible code 📃 Skills: JavaScript, TypeScript, React, Redux, Next.js, HTML5, CSS3, Git, TDD, CI, Agile 🏢 Description: Overview We are a company that leads in AI-powered business operations, providing digital solutions and consulting services that help businesses grow and improve. We focus on using advanced technology to make operations easier, increase efficiency, and create new opportunities, especially in private capital markets. Our services include: PaaS (Platform as a Service): Our main platform uses AI to improve workflows, generate insights, and help businesses grow faster. SaaS (Software as a Service): A cloud platform that offers strong performance, smart tools, and large-scale execution. S&C (Solutions and Consulting Suite): Flexible technology tools to manage, develop, and improve business performance. With over ten years of experience helping fast-growing companies and private equity-backed businesses, we bring deep knowledge and a proven track record of turning technology into a real advantage. Responsibilities Design and develop user interfaces using React. Implement and maintain test-driven development (TDD) and continuous integration. Work with project managers, analysts, and sales teams to deliver high-quality products on time. Follow best practices in testing, accessibility, and performance. Work closely with design, backend, QA, and product teams to build user-friendly solutions. Requirements 6+ years experience with JavaScript and TypeScript. Understand design patterns and how to use them in JavaScript. Experience with modern front-end frameworks like React.js + Redux; Next.js is a bonus. Knowledge of functional and asynchronous programming. Experience with Git and branch management. Ability to debug front-end issues and use debugging tools. Familiar with creating and integrating custom packages. Understand object-oriented programming concepts in JavaScript. Can work under pressure and meet tight deadlines. Hands-on experience with HTML5 and CSS3. Familiar with Agile development practices. Good communication and organizational skills. Able to write code that works across different browsers. Bachelor’s degree in Computer Science or similar is preferred. Why Join Us? We appreciate creative problem-solvers who learn quickly, work well in a diverse environment, and like to raise the standard for success. We work hard but also make sure to enjoy what we do.

🏢 Summary: Fullstack Engineer role focused on building and scaling a global data-driven insights platform using modern JavaScript technologies. The position involves developing backend and frontend services, designing scalable databases, and influencing system architecture. You will work on high-load systems, ensure code quality, and contribute to technical decisions and mentoring. 🗂️ Requirements: 5+ years of experience with JavaScript and Node.js, 3+ years of experience with TypeScript and React or Next.js, Hands-on experience with scalable backend systems, Experience designing SQL and NoSQL database schemas, Ability to optimize queries for high-load systems, Knowledge of web fundamentals and networking concepts, Understanding of OWASP security best practices, Experience with AWS cloud services, Experience writing unit, integration, and e2e tests, Professional proficiency in English 📃 Skills: JavaScript, Node.js, TypeScript, React, Next.js, REST, GraphQL, SQL, NoSQL, AWS, CORS, OWASP, Microservices, Serverless 🏢 Description: We’re building a data-driven insights platform used by professionals worldwide. Our mission is to turn complex data into actionable insights and empower teams to make better decisions. We value ownership, technical excellence, and collaboration . If you enjoy building scalable systems, mentoring engineers, and shaping software architecture, you’ll fit right in. 🎯 Your mission Develop and maintain backend and frontend services (REST/GraphQL APIs, React apps) Design scalable database schemas (SQL & NoSQL) and optimize queries for high-load systems Collaborate with product, design, and DevOps teams to deliver robust solutions Write clean, tested code (unit, integration, e2e) Influence architecture and technical decisions Mentor other developers and share best practices 📌 You should have 5+ years in JavaScript / Node.js 3+ years in TypeScript + React/Next.js Hands-on experience with scalable backend systems Knowledge of web fundamentals & networking (CORS, browser behavior) Understanding of security best practices (OWASP) Experience with cloud services (AWS preferred) Strong communication skills in English Ability to work independently and take ownership ✨ Nice to have Experience with microservices / serverless architectures Data pipelines, scraping, or data-heavy applications Team leadership or mentoring experience Exposure to AI/ML integrations 💡 Why join us High-impact role on a global data platform Work with modern technologies and best engineering practices Autonomy & ownership in your work Collaborative and experienced team Competitive employment package and benefits.

🏢 Summary: Senior Full Stack Team Lead role focused on building and scaling web applications using React and Node.js while leading a development team. The position combines hands-on front-end and back-end development with architecture design, API development, and deployment in cloud environments. You will drive technical decisions, ensure code quality, and oversee delivery of scalable, production-ready systems. 🗂️ Requirements: 7+ years full-stack development experience with React and Node.js, 2+ years experience in leadership or senior technical role, Strong experience with React.js, Redux, React Hooks, Strong knowledge of HTML5, CSS3, modern JavaScript, Proficiency in Node.js and Express.js, Experience building REST APIs, Experience with PostgreSQL or MySQL, Experience with authentication methods (OAuth, JWT, sessions), Experience with CI/CD and Docker, Experience working with production systems, Experience with Git, Understanding of Agile/Scrum methodologies 📃 Skills: React, Redux, JavaScript, HTML5, CSS3, Node.js, Express, REST, GraphQL, PostgreSQL, MySQL, OAuth, JWT, Docker, Kubernetes, AWS, Azure, GCP, Git, CI/CD, Webpack, Babel, Vite, MongoDB 🏢 Description: Overview We are a leading company in AI-based enterprise operations. We provide digital solutions and consulting services that help businesses grow and improve. We use modern technology to make processes simpler, increase efficiency, and create new ways to earn money, especially in private capital markets. Our ecosystem includes three main parts. First, PaaS (Platform as a Service) with the Orion Platform, which helps improve workflows, show useful insights, and support value growth across portfolios. Second, SaaS (Software as a Service), a cloud platform that offers strong performance and smart tools at scale. Third, our Solutions and Consulting Suite, which includes flexible technology solutions to manage, grow, and improve company performance. With more than 10 years of experience, we support fast-growing companies and private equity platforms, turning technology into a real business advantage. Responsibilities and Duties We are looking for an experienced Full Stack Team Lead with strong skills in React and Node.js. The right person has over 7 years of experience building high-quality web applications and has experience leading a team. You will guide developers, work on both front-end and back-end, take part in all stages of development, and support junior team members. Key Responsibilities Team Leadership & Mentorship: Lead and support a team of developers. Help them grow, review code, and give technical advice. Front-End Development: Build and maintain user interfaces using React.js, Redux, and modern JavaScript. Back-End Development: Create strong and scalable server applications and APIs using Node.js and Express. Integration: Work with database engineers to design databases and manage data using MongoDB or SQL. Application Architecture: Design scalable systems and microservices that meet business needs. Testing & Debugging: Write tests, fix issues, and improve performance. Support good testing practices. Deployment: Manage releases using CI/CD tools and Docker. Collaboration: Work with designers, product managers, and developers to create useful solutions. Communicate with both technical and non-technical teams. Maintenance: Monitor systems, fix problems, and improve applications. Documentation: Write and maintain technical documents for systems and APIs. Requirements Front-End: Strong experience with React.js, Redux, React Hooks, and component-based design Good knowledge of HTML5, CSS3, and modern JavaScript Familiar with tools like Webpack, Babel, or Vite Back-End: Strong skills in Node.js and Express.js Experience building and using APIs (GraphQL is a plus, REST is required) Knowledge of authentication methods like OAuth, JWT, and sessions Database: Experience with PostgreSQL or MySQL Additional Skills: Experience with Docker and Kubernetes is a plus Knowledge of cloud platforms like AWS, Azure, or GCP Experience with Git Understanding of Agile/Scrum methods Qualifications At least 7 years of experience in full-stack development with React and Node.js At least 2 years in a leadership or senior role Experience working with live production systems Bachelor’s degree in Computer Science or similar (preferred) Soft Skills Strong problem-solving and analytical thinking Good communication and teamwork skills Ability to work independently and manage tasks well Willingness to learn new technologies and improve continuously Why Join Us? We look for people who solve problems creatively, learn quickly, and enjoy working in an open and diverse team. We work hard, but we also like to enjoy what we do and aim for high results.

🏢 Summary: Senior Frontend React Developer role focused on building scalable Next.js applications that power enterprise AI interfaces, including chat, semantic search, and knowledge graph features. The position involves developing high-performance, real-time, and data-intensive user interfaces with strong emphasis on accessibility, security, and code quality. You will contribute to reusable design systems, performance optimization, and AI-assisted development in a modern tech stack. 🗂️ Requirements: 5+ years frontend development experience, 3+ years experience with React, Strong knowledge of JavaScript, Strong knowledge of TypeScript, Strong knowledge of Next.js including SSR, App Router, Server Components, Advanced TypeScript skills, Experience with modern CSS solutions (Tailwind CSS or CSS-in-JS), Experience with complex state management, Experience with real-time collaboration features, Experience building AI-related interfaces (chat, streaming, semantic search), Understanding of localization, Understanding of accessibility standards, Understanding of security standards, Experience with AI coding tools (OpenAI Codex or Claude), Upper-Intermediate (B2) English or higher 📃 Skills: React, Next.js, JavaScript, TypeScript, SSR, Tailwind, CSS-in-JS, SWR, WebSockets, ReactFlow, Highcharts, Storybook, Playwright, Node.js, Python, AWS, S3, CloudFront, Lambda, OpenAI, Claude, Codex, Copilot, Puppeteer, Cypress, Lerna, Turborepo, Nx, MCP, DSPy 🏢 Description: About Us Many companies want to use AI agents, but these tools often have problems with real business tasks. We create a platform that helps AI understand company rules, workflows, and processes, so it can give correct and reliable answers. Our technology is trusted by large international companies and works with leading AI and cloud platforms. Our goal is to help people find better answers and make better decisions with AI. Senior Frontend React Developer As a Frontend React Developer, you will build modern user interfaces that make enterprise AI easy to use and reliable. You will create Next.js applications that work with large amounts of data, real-time AI responses, and advanced business features. Your work will help thousands of users access important information quickly and confidently. What You Will Do Design and develop scalable Next.js SSR applications. Build interfaces for AI chat, semantic search, knowledge graphs, and AI builders. Create data visualizations using libraries such as React Flow and Highcharts. Develop multilingual, accessible, secure, and cross-browser compatible applications. Work with SWR for data fetching, caching, and real-time websocket updates. Build and maintain reusable UI components and a Storybook design system. Improve application performance, monitor Core Web Vitals, and write automated tests with Playwright. Use AI coding assistants to speed up development while keeping high code quality. Participate in code reviews, share knowledge, and support continuous learning within the team. Requirements At least 5 years of frontend development experience. More than 3 years of experience with React and JavaScript/TypeScript. Strong knowledge of Next.js, including SSR, App Router, and Server Components. Advanced TypeScript skills and experience with modern CSS solutions such as Tailwind CSS or CSS-in-JS. Experience building applications with complex state management, real-time collaboration, and high performance. Experience creating interfaces for AI features such as chat systems, streaming responses, or semantic search. Understanding of localization, accessibility, security standards, and writing maintainable code. Experience using AI coding tools such as OpenAI Codex or Claude. Upper-Intermediate (B2) or higher English communication skills. Nice to Have Experience with React Flow, Highcharts, or similar visualization libraries. Basic backend knowledge in Node.js or Python and experience discussing API design. Experience with vector search, RAG interfaces, or semantic search solutions. Familiarity with MCP, DSPy, or other AI frameworks. Experience with monorepo tools such as Lerna, Turborepo, or Nx. Knowledge of AWS services like S3, CloudFront, and Lambda. Experience with Playwright, Puppeteer, or Cypress. What We Offer B2B contract and company stock options. MacBook Pro for work. Modern technology stack and opportunities to contribute to open-source projects. Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, v0, MCP Servers, and credits for testing new AI technologies. Our Values We believe our success comes from the way we work together: Quality – We aim for excellent work and high standards in everything we do. Momentum – We take initiative and keep projects moving forward. Accountability – We take responsibility and give honest, respectful feedback. Hard Work – We solve difficult problems together and stay committed to our goals. Learning – We are curious, improve every day, and learn from mistakes. Adaptability – We accept change and see challenges as opportunities. Teamwork – We communicate openly, support each other, and succeed as one team.

🏢 Summary: Mid Frontend React Developer role focused on building AI-powered enterprise web applications using React, Next.js, and TypeScript. The position involves developing scalable user interfaces, integrating backend APIs, and improving performance and usability in collaboration with cross-functional teams. The offer includes access to modern AI development tools, stock options, and work on production AI products used by enterprise customers. 🗂️ Requirements: 2–5 years of frontend development experience, React, JavaScript, TypeScript, Next.js or modern React framework, REST APIs, Asynchronous data fetching, Modern CSS solutions, Responsive design, Cross-browser compatibility, Reusable frontend code, Git, Modern development workflows, AI coding tools, English B2+ 📃 Skills: React, Next.js, TypeScript, JavaScript, REST, Tailwind, CSS, Git, Copilot, ChatGPT, Claude, SWR, ReactQuery, Node.js, Python, Playwright, Cypress, AWS, Highcharts 🏢 Description: About Us Many companies want to use AI agents, but these tools often struggle with real business tasks. We build a platform that helps AI understand company knowledge, workflows, and processes, enabling it to provide accurate and reliable answers. Our technology is trusted by large international companies and integrates with leading AI and cloud platforms. Our mission is to help people find better answers and make better decisions with AI. About the Role We are looking for a Mid Frontend React Developer to help build modern web applications that make enterprise AI intuitive and reliable. You'll work closely with experienced frontend engineers, designers, backend developers, and product managers to create fast, responsive, and scalable user experiences. You'll contribute to new features, improve existing functionality, and gain hands-on experience building AI-powered products used by enterprise customers. What You Will Do - Build and maintain modern web applications using React, Next.js, and TypeScript. - Develop user interfaces for AI-powered features such as chat, search, and knowledge management. - Create reusable UI components and contribute to our design system. - Integrate frontend applications with backend APIs and real-time data. - Improve application performance, responsiveness, and user experience. - Write clean, maintainable, and well-tested code. - Participate in code reviews and collaborate with engineers, designers, and product managers. - Use AI development tools to improve productivity and software quality. - Learn from production feedback and continuously improve existing features. Requirements - 2–5 years of experience building modern frontend applications. - Good knowledge of React, JavaScript, and TypeScript. - Experience with Next.js or another modern React framework. - Experience working with REST APIs and asynchronous data fetching. - Familiarity with modern CSS solutions such as Tailwind CSS, CSS Modules, or CSS-in-JS. - Understanding of responsive design and cross-browser compatibility. - Experience writing maintainable, reusable frontend code. - Familiarity with Git and modern development workflows. - Experience using AI coding tools such as GitHub Copilot, Claude Code, ChatGPT, or similar. - English at B2 level or higher. Nice to Have - Experience with React Flow, Highcharts, or similar visualization libraries. - Familiarity with SWR, React Query, or similar data-fetching libraries. - Basic knowledge of Node.js or Python. - Experience working with AI-powered applications, chat interfaces, or search experiences. - Familiarity with Playwright, Cypress, or other frontend testing frameworks. - Basic understanding of accessibility and Core Web Vitals. - Experience with AWS or other cloud platforms. What We Offer - 18,000–23,000 PLN B2B (depending on experience). - Company stock options. - MacBook Pro. - Modern technology stack. - Opportunity to contribute to open-source projects. - Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, v0, MCP Servers, and credits for testing new AI technologies. - The opportunity to work on production AI products used by enterprise customers. - A collaborative engineering culture focused on learning, mentorship, and continuous improvement. Our Values - Quality - We build software with care and attention to detail. - Momentum - We move quickly, learn continuously, and improve through iteration. - Accountability - We take ownership of our work and communicate openly. - Hard Work - We solve challenging problems together and support one another. - Learning - We stay curious, embrace feedback, and continuously grow. - Adaptability - We welcome change and see new challenges as opportunities. - Teamwork - We collaborate, share knowledge, and celebrate success together.

🏢 Summary: Oferta dotyczy rozwoju nowoczesnych integracji API i rozwiązań frontendowych dla brokerów z sektora finansowego w międzynarodowym środowisku. Rola obejmuje tworzenie skalowalnych komponentów w React i TypeScript oraz integrację z usługami REST API w modelu Agile. Praca realizowana jest głównie zdalnie w modelu B2B z możliwością udziału w międzynarodowych projektach. 🗂️ Requirements: 3+ lat doświadczenia komercyjnego z React, 3+ lat doświadczenia komercyjnego z TypeScript, Doświadczenie z Next.js, Doświadczenie z REST API, Znajomość nowoczesnych praktyk frontendowych, Znajomość Tailwind CSS, Znajomość Git, Znajomość Agile/Scrum, Umiejętność rozwiązywania problemów, Umiejętność pracy zespołowej, Komunikatywna znajomość języka angielskiego B2/C1 📃 Skills: React, TypeScript, Next.js, REST, Tailwind, Git, Agile, Scrum, Node.js, Postman, CI/CD, TeamCity, SDK 🏢 Description: Opis firmy Naszą misją jako firmy świadczącej usługi IT jest dostarczanie najlepszych rozwiązań naszym klientom na całym świecie. Osiągamy to poprzez analizowanie potrzeb naszych klientów i dopasowywanie ich do umiejętności i aspiracji naszych pracowników. Dlatego jedną z naszych głównych motywacji jest zapewnienie każdemu Pracownikowi i Konsultantowi satysfakcjonującego doświadczenia. Dołączenie do nas oznacza bycie częścią społeczności o różnorodnych osobowościach. Rozpocznij swoją przygodę z act digital! Opis stanowiska Dołącz do wielofunkcyjnego zespołu zajmującego się tworzeniem nowoczesnych integracji API oraz ścieżek obsługi klienta dla zewnętrznych brokerów z sektora finansowego. Będziesz pomagać w opracowywaniu skalowalnych, bezpiecznych i łatwych do zintegrowania rozwiązań frontendowych , z których korzystają partnerzy na wielu rynkach międzynarodowych. Tworzenie wielokrotnego użytku, wysokiej jakości komponentów frontendowych przy użyciu React i TypeScript. Współpraca z inżynierami backendowymi w celu integracji z interfejsami API REST i usługami finansowymi. Zapewnianie wydajności, dostępności, responsywności oraz łatwości utrzymania rozwiązań przeznaczonych dla partnerów. Przyczynianie się do poprawy jakości kodu poprzez testowanie, przeglądy kodu oraz współpracę w ramach metodyki Agile z właścicielem produktu i zespołem Scrum. Wymagania 3+ lat doświadczenia komercyjnego z Reactem i TypeScriptem. Doświadczenie w pracy z Next.js, interfejsami API REST oraz nowoczesnymi praktykami tworzenia aplikacji frontendowych. Znajomość Tailwind CSS, Git oraz metodologii Agile/Scrum. Wysokie umiejętności w zakresie rozwiązywania problemów , komunikacji i pracy zespołowej. Język angielski min. B2/C1. Mile widziane Node.js. Doświadczenie w korzystaniu z Postmana lub podobnych narzędzi do testowania interfejsów API. Znajomość procesów CI/CD (np. TeamCity). Doświadczenie w tworzeniu widżetów do osadzania, wtyczek lub zestawów SDK. Znajomość wymagań dotyczących bezpieczeństwa i zgodności w zakresie produktów finansowych. Dodatkowe informacje Model pracy: Zdalnie (1-2 razy w miesiącu w biurze w Warszawie) Kontrakt: B2B Stawka: Do 145 PLN/h net + vat Oferujemy Dostęp do lokalnych i międzynarodowych projektów - Klienci z Francji, Niemiec, Portugalii, Wielkiej Brytanii i krajów Beneluksu. Wsparcie w rozwoju zawodowym - szkolenia, certyfikaty techniczne, udział w konferencjach, lektoraty języków obcych i szkolenia miękkie dofinansowane do 2 000zł. Elastyczność - sam wybierasz formę współpracy: umowa o pracę lub umowa business-to-business. Premia za polecanie Kandydatów do 6 000zł. W pełni opłacona karta Medicover. Karta Multisport. Regularne imprezy integracyjne i upominki. Program Mobilny. Długoterminową współpracę.

🏢 Summary: Remote B2B offer for a Senior Fullstack JavaScript/TypeScript Engineer to build scalable web applications in distributed, microservices and cloud-native architectures. The role involves working with React and Node.js (Nest) on international projects, covering both frontend and backend layers. The position requires strong experience with AWS, Kubernetes and modern DevOps practices. 🗂️ Requirements: Minimum 5 years of experience building scalable web applications, Strong knowledge of JavaScript or TypeScript (MVC, CQRS, dependency injection), Very good knowledge of Node.js and Nest, Very good knowledge of React, Experience with distributed architecture and microservices, Knowledge of scalable system architecture and inter-service communication, Experience with AWS (S3, SQS, Lambda), Knowledge of Kubernetes and Terraform, Very good knowledge of PostgreSQL or MySQL and SQL, Ability to write unit and integration tests (Jest, Mocha or similar), Experience with CI/CD automation, Very good English skills (B2 or higher), Availability to start within 1 month 📃 Skills: JavaScript, TypeScript, Node.js, Nest, React, AWS, S3, SQS, Lambda, Kubernetes, Terraform, PostgreSQL, MySQL, SQL, Jest, Mocha, CI/CD, Microservices, MVC, CQRS 🏢 Description: Kim jesteśmy? Jesteśmy firmą programistyczną specjalizującą się w tworzeniu szytych na miarę, aplikacji webowych i mobilnych. Pracujemy dla klientów z całego świata – z USA, UK, Niemiec, Holandii, Skandynawii i innych. Tworzymy systemy od prostych API opartych o kontenery, poprzez systemy złożone z mikroserwisów, kończąc na rozwiązaniach Cloud Native. A to wszystko dla klientów m.in. z branży fintech, medtech, e-commerce. Kochamy programowanie oraz JS i TS, najbardziej Reacta i Node.js! Aktualnie poszukujemy inżynierów, którzy byliby zainteresowani wsparciem jednego z naszych projektów (rekrutacja pod projekt). Wynagrodzenie: B2B : 17 000 - 26 000 zł + VAT Miejsce pracy: Praca 100% zdalna, bez konieczności pojawiania się w biurze! Jeśli jednak chcesz pracować z biura, mamy dwie opcje - Warszawa, ul. Złota 59 oraz Gliwice, ul. Dolnych Wałów 8 Od Ciebie oczekujemy: co najmniej 5 lat doświadczenia w budowaniu zaawansowanych, wydajnych i skalowalnych aplikacji internetowych znajomości współczesnego użycia JavaScript lub TypeScript (MVC, CQRS, dependency injection) dobrej znajomości Node.js (Nest) oraz React.js doświadczenia w pracy w architekturze rozproszonej, mikroserwisach znajomości rozwiązań architektonicznych w budowaniu wydajnych i skalowalnych aplikacji (komunikacja między serwisami, kolejki) doświadczenia w pracy z AWS (S3, SQS, Lambda) znajomości Kubernetesa i Terraforma bardzo dobrej znajomości relacyjnych baz danych (PostgreSQL / MySQL) i języka SQL, umiejętności pisania testów jednostkowych oraz integracyjnych w jednym z popularnych frameworków (Jest, Mocha, etc.) oraz znajomości automatyzacji procesów (CI/CD) dobrej znajomości języka angielskiego umożliwiającej swobodną komunikację w zespole międzynarodowym - warunek konieczny zaangażowania, proaktywności oraz odpowiedzialności za całość projektu (zarówno warstwę FE, jak i BE) dostępność do podjęcia pracy w przeciągu ok. 1 miesiąca Mile widziane: doświadczenie w wykorzystaniu w pracy narzędzi AI (Copilot, Cursor itp.) doświadczenie w branży fintech doświadczenie w Next.js znajomość Playwright znajomość frameworka Koa

🏢 Summary: Senior React Native Engineer role focused on building and shipping cross-platform mobile applications using React Native and Expo, alongside developing web apps in ReactJS and APIs in Node.js. The position involves full ownership of the feature lifecycle, from architecture and implementation to CI/CD and production monitoring, using TypeScript and AI-assisted development tools. Work is delivered in an Agile, product-centric environment with emphasis on quality, performance, and collaboration. 🗂️ Requirements: 4+ years of professional software engineering experience, Experience developing production software, Experience in Agile or team-based development environments, Proficiency in JavaScript, Proficiency in Node.js, Proficiency in ReactJS, Proficiency in React Native, Experience with REST APIs and service-based architectures, Experience with databases and data persistence concepts, Ability to follow established architecture and development standards, Strong problem-solving and troubleshooting skills, Ability to collaborate effectively within an engineering team, Good communication skills, Bachelor’s degree in Computer Science, Engineering, or related field or equivalent practical experience, Upper-intermediate English level 📃 Skills: JavaScript, TypeScript, Node.js, ReactJS, React, ReactNative, Expo, REST, APIs, Databases, CI/CD, Claude, GitHubCopilot, Agile, Codility 🏢 Description: ID73490 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior React Native Engineer to build and ship cross-platform mobile apps using React Native and Expo while developing web applications in ReactJS and APIs in Node.js for a franchisee engineering team. You will own the engineering lifecycle for your features — architecture, implementation, testing, CI/CD, and production monitoring — writing clean TypeScript and actively using AI tools including Claude and GitHub Copilot as a development accelerator. The role follows Agile practices in a collaborative, product-centric engineering environment. What you will do Build and ship cross-platform mobile apps using React Native and Expo (iOS and Android); Develop web applications in ReactJS, sharing business rule libraries with mobile apps; Design, develop, and maintain APIs in NodeJS to support these applications; Use Claude or Github Copilot as a development accelerator, generating code scaffolding, writing and reviewing tests, creating documentation and prototyping solutions; Own the engineering lifecycle for your features: architecture, implementation, testing, CI/CD, and production monitoring; Write clean, well-tested TypeScript code; maintain high standards through code review and documentation; Optimize application performance for speed, responsiveness, memory, and offline capability; Debug, troubleshoot, and resolve software defects and production issues; Participate in Agile or product-centric delivery practices including sprint planning and retrospectives; Learn and apply new technologies, tools, and patterns to improve system quality and team effectiveness. Must haves Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience; 4+ years of professional software engineering experience focused on backend and cloud infrastructure; Strong experience with JavaScript , Node.js , and TypeScript ; Strong understanding of RESTful APIs , Microservices architecture, and event-driven systems; Experience working with databases, including PostgreSQL , and data persistence concepts; Hands-on experience with Microsoft Azure and Amazon Web Services (AWS) ; Deep experience with Infrastructure as Code using Terraform and CI/CD using Azure DevOps ; Experience with legacy platform migrations, ETL processes, and data hygiene; Experience developing secure, high-quality, and maintainable code following industry security best practices; Familiarity with Dynatrace and CloudWatch ; Upper-intermediate English level. The benefits of joining us Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

🏢 Summary: The offer is for a Senior Fullstack Developer responsible for designing, developing, and optimizing scalable web applications with a strong focus on Java-based back-end systems and React/Next.js front-end solutions. The role involves building and maintaining APIs, integrating third-party services, managing databases, and ensuring application security and performance. It includes collaboration with cross-functional teams and contributing to high-quality, secure, and well-documented systems. 🗂️ Requirements: At least 4 years of experience in similar position, Proficiency in Java server-side programming, Strong understanding of React and Next.js core principles, Experience with React Router, Hooks, Redux or similar state management, Experience with MySQL, PostgreSQL or MongoDB, Proven experience in building scalable web applications, Experience in back-end development, English level B2 or higher 📃 Skills: Java, React, Next.js, Redux, JavaScript, MySQL, PostgreSQL, MongoDB, Git, REST, API, Docker, NodeJS, AWS, Azure, GCP 🏢 Description: Tasks: Designing, developing, and maintaining the server-side logic of web applications. Implementing scalable and efficient server-side components and APIs. Build React/Next.js based applications. Working with relational and/or NoSQL databases to store and retrieve data efficiently. Designing and optimizing database schemas for performance and scalability. Integrating third-party APIs and web services to enhance application functionality. Developing custom APIs to facilitate communication between front-end and back-end systems. Implementing security best practices to protect against common web application vulnerabilities. Conducting regular security audits and implement necessary measures. Optimization: optimizing server-side code for maximum speed and scalability. Monitoring and troubleshooting performance issues. Collaborating with front-end developers, UI/UX designers, and other team members to ensure seamless integration of components. Using version control systems (e.g., Git) to manage and track changes to the codebase. Conducting thorough testing of server-side components to identify and fix bugs. Collaborating with QA engineers for comprehensive testing. Clear and comprehensive documentation for back-end systems and APIs. Requirements: At least 4 years of experience in a similar position. Proficiency in Java server-side programming. Thorough understanding of React/Next.js core principles along with React router, hooks, Redux (or the like) workflows, Web performance and security. Experience with database systems (e.g., MySQL, PostgreSQL, MongoDB). Proven experience in back-end development and building scalable web applications. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) is a plus. Previous experience in Front-end development with Docker is plus. Experience with NodeJS is a plus. Strong analytical and problem-solving skills with attention to detail. Effective communication skills to collaborate with cross-functional teams. Ability to adapt to changing project requirements and technologies. English at least B2. Offer: Stable employment. On the market since 2008, 1500+ talents currently on board in 7 global sites. “Office as an option” model. You can choose to work remotely or in the office. Great Place to Work® certified employer. Flexibility regarding working hours and your preferred form of contract. Comprehensive online onboarding program with a “Buddy” from day 1. Cooperation with top-tier engineers and experts. Unlimited access to the Udemy learning platform from day 1. Internal Gallup Certified Strengths Coach to support your growth. Certificate training programs. Lingarians earn 500+ technology certificates yearly. Upskilling support. Capability development programs, Competency Centers, knowledge sharing sessions, community webinars, 110+ training opportunities yearly. Grow as we grow as a company. 76% of our managers are internal promotions. A diverse, inclusive, and values-driven community. Autonomy to choose the way you work. We trust your ideas. Create our community together. Refer your friends to receive bonuses. Activities to support your well-being and health. Plenty of opportunities to donate to charities and support the environment. Modern office equipment. Purchased for you or available to borrow, depending on your location.