Senior full-stack software developer (React + Atlassian Ecosystem)

🏢 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: 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: 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 .NET Developer role focused on backend development and architectural decision-making within a large-scale, distributed communication platform. The position combines hands-on development with system modernization, production support, and technical leadership. The project involves evolving a complex system with asynchronous messaging, multiple services, and ongoing technology migrations. 🗂️ Requirements: Minimum 5 years experience with .NET (modern and legacy), Strong knowledge of distributed systems, Experience with asynchronous communication, Experience with message brokers, Proficiency in SQL and query optimization, Experience with ASP.NET Core and Web API, Experience with Entity Framework, Ability to work with large, complex codebases, Experience with CI/CD pipelines, Very good English, Very good Polish 📃 Skills: .NET, C#, ASP.NET, ASP.NETCore, WebAPI, EntityFramework, EFCore, SQL, MySQL, RabbitMQ, ElasticSearch, SignalR, Angular, Docker, AzureDevOps, CI/CD, GCP, Pub/Sub 🏢 Description: 💡 O nas Jesteśmy firmą technologiczną, która od 26 lat współpracuje z partnerami z Europy i Stanów Zjednoczonych, tworząc zespoły i wspólnie budując zaawansowane aplikacje webowe. Specjalizujemy się w technologiach JavaScript / TypeScript / React / Angular / Node.js ,a nasze doświadczenie obejmuje również Java, .NET oraz Python . Wspieramy klientów w analizie systemów, projektowaniu architektury, struktur danych oraz we wdrażaniu nowoczesnych metodyk projektowych (SAFe).Nasze rozwiązania mają realny wpływ na życie milionów użytkowników na całym świecie. 🔎 Kogo szukamy Szukamy Senior .NET Developera, który chce mieć realny wpływ na kierunek rozwoju systemu - nie tylko realizować zadania, ale też współdecydować o architekturze i podejściu technicznym. To rola dla osoby, która dobrze odnajduje się w dużym, złożonym systemie i potrafi łączyć development z prowadzeniem zespołu. 🎯 Projekt Projekt dotyczy platformy, która porządkuje komunikację z użytkownikami końcowymi – zbiera wiadomości z różnych kanałów ( m.in . social media, chat, opinie) i umożliwia zespołom sprawne zarządzanie nimi w jednym miejscu. To dojrzały system o dużej skali: kilkadziesiąt repozytoriów i wiele współpracujących usług połączenie nowoczesnego .NET (6/8) i starszych rozwiązań ( ASP.NET Web API 2, Java 8) architektura rozproszona oparta o messaging i przetwarzanie asynchroniczne Równolegle z developmentem trwa realna modernizacja systemu - migracja z ElasticSearch 1, migracje technologiczne i porządkowanie długu technicznego. ✨ Twoje zadania rozwój backendu (API, serwisy, workerzy, monolit) udział w decyzjach architektonicznych analiza i rozwiązywanie problemów produkcyjnych modernizacja istniejących rozwiązań mentoring zespołu (ewaluacja, edukacja, wsparcie w komunikacji z biznesem) praca z integracjami zewnętrznymi i systemami rozproszonymi 🔧 Stack technologiczny .NET (8 / 6), .NET Framework (4.8-4.5) ASP.NET Core, ASP.NET Web API Entity Framwork 6, EF Core Angular 20 RabbitMQ MySQL, ElasticSearch 1, ElasticSearch 7 SignalR / rozwiązania realtime Azure DevOps / CI/CD Docker, Google Cloud Platform (Compute, Cloud SQL, GCS, Pub/Sub) 👉 Tak wyobrażamy sobie profil osoby na tę pozycję: Min. 5 lat doświadczenia w .NET (w tym praca z legacy i nowoczesnym stackiem) Dobre rozumienie systemów rozproszonych i komunikacji asynchronicznej Doświadczenie z brokerami wiadomości (np. RabbitMQ) Swoboda w pracy z SQL i optymalizacją zapytań Umiejętność prowadzenia tematów end-to-end Komfort pracy z dużym, złożonym kodbase’em Bardzo dobra znajomość języka angielskiego (komunikacja w projekcie), Bardzo dobrą znajomość języka polskiego (native) 😊 Mile widziane: Java, Spring Boot Python, Django Typescript, Angular, NgRx Signals Terraform Playwright Znajomość holenderskiego Narzędzia do monitoringu i logowania Systemy realtime Analiza wydajności 👉 Oferujemy: dużo samodzielności i odpowiedzialności, realny wpływ na decyzje techniczne i kierunek rozwoju systemu dział w rozwoju długoterminowego projektu o dużej skali, pracę w międzynarodowym zespole, możliwość rozwoju kompetencji w ramach projektu oraz indywidualnie, możliwość rozwoju kompetencji technicznych i pracy z najnowszymi technologiami AI , możliwość pracy zdalnie, hybrydowo lub w jednym z naszych biur ( Wrocław/Warszawa ), atrakcyjne wynagrodzenie oraz współpracę w modelu B2B. 🤝 Dlaczego warto z nami pracować? W ArdentCode polegamy na sobie. Jesteśmy dociekliwi. Chętnie dzielimy się wiedzą . Wierzymy, że tylko w ścisłej współpracy możemy tworzyć naprawdę wielkie rzeczy. Wypracowaliśmy kulturę organizacyjną i środowisko tworzące przestrzeń do ciągłego rozwoju naszego Zespołu i przestrzeń do osiągania osobistych celów. Dbamy aby dostarczać Ci projekty, dzięki którym zrealizujesz własną ścieżkę rozwoju kompetencji. 👉 Co dalej -> Aplikuj. Prześlij nam swoje CV 😊 Chcemy poznać Twoje umiejętności i sposób pracy, jednocześnie dając Ci pełen obraz naszych oczekiwań 🚀. Rozmowa wstępna(40 min.) Rozmowa techniczna (40 min.) Rozmowa z szefem projektu (60 min.) Rozmowa techniczna po stronie klienta (60 min.) W wielkim finale spotkamy się, aby ustalić warunki i uzgodnić ofertę współpracy. 👋 Czekamy na Twoje CV. Do zobaczenia na wstępnej rozmowie!

🏢 Summary: The role is for a Middle/Senior Full Stack Engineer to build and scale a SaaS platform using Java and React, contributing to architecture, secure cloud-based integrations, and CI/CD processes. The position involves end-to-end development, code reviews, and collaboration with cross-functional teams in a product built from the ground up. It offers significant ownership and impact within a high-scale environment. 🗂️ Requirements: 4+ years of SaaS development experience, Proficiency in Java, Proficiency in React, Strong knowledge of SQL, Experience with microservices architecture, Experience with JavaScript and TypeScript, Understanding of CI/CD practices, Understanding of observability concepts, Ability to work with EST time zone overlap, Upper-intermediate English proficiency 📃 Skills: Java, React, SQL, JavaScript, TypeScript, ReactJS, Microservices, CI/CD, Redis, Elasticsearch, AWS 🏢 Description: ID67841 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 Middle/Senior Full Stack Engineer to build robust server-side solutions for a SaaS platform operating at scale, working across Java, React, SQL, Redis, and Elasticsearch. You will contribute to architecture decisions, design reusable client integration systems following secure cloud best practices, and participate in code reviews and CI/CD processes as a trusted technical resource for the team. The role offers significant ownership from day one in a product built from the ground up. What you will do Build a cleanly designed, reusable client integration system adhering to secure cloud software best practices from start to finish; Collaborate with design and product teams to understand requirements, create estimates, plan sprints, and meet delivery timelines; Plan and accurately estimate construction and delivery timelines; Contribute to technical documentation and automated build and deployment processes designed to increase engineer efficiency; Review code submitted by other software engineers and submit your own code for review as part of the pull-request deployment process. Must haves 4+ years’ experience of SaaS experience; High level of proficiency in Java , React , and SQL ; Knowledge of or prior experience with microservices architecture ; Front end experience with JavaScript , Typescript , and ReactJS ; DevOps mindset of automation and continuous improvement; Good understanding of observability and familiarity with strong CI/CD practices; A proven ability to meet deadlines, motivate others, and consistently produce high quality, impactful results; Ability to maintain at least 6 hours of overlap with EST working hours ; Upper-intermediate and higher English proficiency. Nice to haves Experience building software in the cloud with AWS preferred. 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: 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: Remote B2B offer for a Node.js engineer to support a project involving scalable, distributed web systems and microservices. The role focuses on building high-performance applications using JavaScript/TypeScript in cloud environments with AWS and Docker. Work includes backend development, database integration, automated testing, and CI/CD processes. 🗂️ Requirements: Minimum 3 years experience in building scalable web applications, Strong knowledge of JavaScript or TypeScript, Very good knowledge of Node.js and Nest.js, Experience with distributed architecture and microservices, Good knowledge of relational databases (PostgreSQL or MySQL), Experience writing unit and integration tests (Jest or Mocha), Knowledge of CI/CD processes, Experience with AWS (S3, SQS, Lambda), Experience with Docker 📃 Skills: JavaScript, TypeScript, Node.js, Nest.js, PostgreSQL, MySQL, Jest, Mocha, AWS, S3, SQS, Lambda, Docker, 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 : 9 500 - 16 000 zł + VAT Miejsce pracy: Współpraca 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 3 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.js) doświadczenia w pracy w architekturze rozproszonej, mikroserwisach dobrej znajomości relacyjnych baz danych (PostgreSQL / MySQL) umiejętności pisania testów jednostkowych oraz integracyjnych w jednym z popularnych frameworków (Jest, Mocha, etc.) oraz znajomości automatyzacji procesów (CI/CD) doświadczenia w pracy z AWS (S3, SQS, Lambda) umiejętności pracy z Dockerem dobrej znajomości języka angielskiego umożliwiającej swobodną komunikację w zespole międzynarodowym - warunek konieczny zaangażowania, samodzielności, proaktywności oraz odpowiedzialności za projekt dostępność do podjęcia pracy w przeciągu ok. 1 miesiąca Mile widziane: doświadczenie w wykorzystaniu w pracy narzędzi AI (Copilot, Cursor itp.) znajomość Kubernetesa i Terraforma doświadczenie w branży fintech

🏢 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: Senior Full Stack Developer role focused on architecting and delivering high-performance web applications using React and Node.js. The position involves leading system design, building scalable front-end and back-end solutions, and overseeing cloud-based deployments and DevOps processes. The role includes technical ownership of microservices, APIs, databases, and application performance in a hybrid Warsaw-based setup. 🗂️ Requirements: 7+ years full stack development experience, 2+ years in senior or technical lead role, Expert-level React.js with Hooks and Redux, Advanced JavaScript ES6+ proficiency, Strong Node.js and Express.js experience, Experience designing REST or GraphQL APIs, Experience with OAuth, JWT, sessions, RBAC, Database design and optimization with PostgreSQL, MySQL, or MongoDB, Hands-on Docker experience, Experience with AWS, Azure, or GCP, CI/CD pipeline management experience, Proficiency with Git workflows, Bachelor’s or Master’s in Computer Science or related field 📃 Skills: React, Redux, JavaScript, HTML5, CSS3, Node.js, Express, GraphQL, REST, OAuth, JWT, RBAC, PostgreSQL, MySQL, MongoDB, Docker, Kubernetes, AWS, Azure, GCP, Git, CI/CD, Webpack, Babel, Vite 🏢 Description: 🧩 About the Company Our client is a rapidly growing US-based technology firm with global operations. With a strong commitment to innovation and quality engineering, the company is building a new engineering hub in Warsaw. This is your opportunity to join a high-performing team and play a pivotal role in developing next-generation digital solutions for the private capital markets. 📍 Location & Setup Start remotely and transition to a hybrid model based in Warsaw (3 days/week in the office in the coming months). 🧠 The Role: Senior Full Stack Developer (React & Node.js) We’re looking for an expert-level Senior Full Stack Developer with at least 7 years of professional experience in designing, architecting, and delivering high-performance web applications. You will take ownership of complex technical challenges across both the front-end and back-end, drive architectural decisions, and provide technical leadership and mentorship within the software development lifecycle. 🔧 Key Responsibilities Technical Leadership: Architect and develop scalable, responsive UIs with React.js, Redux, and modern JavaScript (ES6+). System Design: Design, build, and scale advanced server-side applications, microservices architecture, and RESTful/GraphQL APIs with Node.js and Express. Data Architecture: Lead database design, optimization, and integration strategies (PostgreSQL, MySQL, or MongoDB). Quality Assurance: Define testing strategies, write robust unit/integration tests, and establish efficient debugging protocols for the team. DevOps & Deployment: Oversee and optimize CI/CD pipelines, containerization using Docker, and cloud deployments. Agile Mentorship: Lead agile collaboration with product managers, designers, and engineers, while mentoring mid-level and junior developers. Performance: Proactively monitor system performance, identify bottlenecks, and maintain high-availability production-grade applications. Standards: Establish and maintain comprehensive technical documentation and coding standards. 📌 What We’re Looking For Front-End: Expert-level experience with React.js, Hooks, Redux, and complex component-based architecture. Deep mastery of HTML5, CSS3, and ES6+. Advanced configuration and optimization experience with build tools like Webpack, Babel, or Vite. Back-End: Senior-level proficiency in Node.js & Express.js for enterprise applications. Extensive API design and architecture experience (GraphQL highly preferred, alongside REST). Deep understanding and implementation experience with advanced security and authentication protocols: OAuth, JWT, sessions, and RBAC. Databases & DevOps: Proven experience in scaling and optimizing relational and non-relational databases (PostgreSQL, MySQL, or MongoDB). Solid hands-on experience with Docker; Kubernetes experience is highly advantageous. Demonstrated experience designing and deploying applications on cloud platforms (AWS, Azure, or GCP). Advanced proficiency with Git workflows and driving Agile/Scrum methodologies. 🎓 Qualifications Bachelor’s or Master’s in Computer Science or a related field. 7+ years of hands-on experience in full stack development. 2+ years of experience in a senior or technical lead capacity. Proven track record of architecting, deploying, and maintaining high-traffic production applications. 💡 Soft Skills Strategic, analytical thinker and highly effective problem-solver. Strong technical leadership, team collaboration, and cross-functional communication skills. Self-motivated with excellent time management and the ability to drive projects autonomously. Passion for continuous learning, adopting new technologies, and sharing knowledge with the team. 🎁 What’s Offered Competitive salary up to $6,200 USD/month. Hybrid remote role with 3 days form office in the heart of Warsaw Generous Paid Time Off (PTO). Comprehensive full benefits package. The unique chance to shape the technical foundation of a new engineering hub and lead high-impact projects. A supportive, innovation-driven work environment that values technical excellence.

🏢 Summary: Project-based freelance role for a Mobile Developer focused on building and maintaining React Native applications for international clients in a fully remote setup. The position involves collaborating with cross-functional teams on scalable mobile solutions using a modern JavaScript/TypeScript ecosystem. Developers join fixed-term projects and work closely with in-house teams in an Agile environment. 🗂️ Requirements: 3+ years commercial experience with React Native mobile development, Experience with TypeScript, Experience with JavaScript, Experience publishing apps to Google Play, Experience publishing apps to Apple App Store, Experience with Xcode, Experience with Android Studio, Knowledge of RESTful APIs, Understanding of mobile app architecture, Experience working in Agile methodologies, English level B2+, Strong communication skills, Ability to work independently, Located in Europe 📃 Skills: React, ReactNative, TypeScript, JavaScript, Next.js, Nest.js, Node.js, PostgreSQL, Supabase, Xcode, AndroidStudio, REST, Agile 🏢 Description: Pay rate: 60 - 120 zł/h (depending on experience) Type of agreement: B2B contract Type of work: 100% remote Project-Based | Fixed-Term Collaboration At TeaCode, we’re expanding our network of trusted freelance developers for upcoming fixed-term, project-based collaborations. If you’re a Mobile Developer working with React Native on a daily basis looking for meaningful project-based engagement, we’d love to hear from you! You’ll be joining us for a specific project, working alongside our in-house team to deliver modern, scalable digital solutions for international clients. This is a great opportunity if you enjoy focused, time-boxed assignments and want to collaborate with a like-minded, fast-moving team. Our core tech stack: TypeScript Next.js React React Native Nest.js Node.js PostgreSQL Supabase Responsibilities Develop and maintain high-quality mobile applications using React Native. Collaborate with cross-functional teams to define, design, and ship new features. Ensure the performance, quality, and responsiveness of applications. Identify and resolve bugs and performance bottlenecks. Requirements: 3 years of commercial experience in mobile app development using React Native and TypeScript/JavaScript Experience in releasing/publishing mobile apps on Google Play and Apple App Store Experience in working with Xcode and Android Studio Strong knowledge of JavaScript and TypeScript. Familiarity with RESTful APIs and mobile app architecture. Experience working in Agile methodologies English at min. B2+ level Good communication skills are a must Ability to work independently and manage freelance project timelines effectively. Located in Europe How we work We work as a team , with strong support from senior developers and tech leads As a Mid Developer, you’re expected to: take responsibility for your tasks and features ask questions and seek feedback when needed actively participate in discussions and refinements You’ll work directly with clients , so good communication really matters We care about building good products , not just completing tasks More about how we work with freelancers 👉 https://www.teacode.io/collaboration What we offer Flexible freelance engagement allowing autonomy over work schedule. Work with clients from all over the world Flexible working hours and 100% remote setup Development in AI tools and modern development workflows About us 50+ people on board Warsaw-based software house with a strong product mindset Friendly, supportive atmosphere - no corporate nonsense Recruitment process HR Interview (30 min): A conversation with our Head of HR to understand your experience, motivation, and expectations. Technical Interview (60 min): A meeting with one of our Developers where you’ll talk about: solving technical problems code quality and best practices how you approach tasks and challenges how you use AI tools in your daily work Decision: Usually within one week after the interview. Once you're in, you become part of our verified freelance pool – the TeaCode Collaborators. From there, we’ll match you with suitable projects based on current needs and timelines. Depends on the specific project: final Interview (30 min) When the project matching your skills and pay rate expectations appears, we will contact you. A conversation with our Delivery Manager of the project: Project fit detailed offer connected with engaging you in this specific project (rate, timeline, %FTE) confirming your availability