Web Portal Developer

🏢 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: Mid-level Frontend React Developer role focused on building and scaling high-performance web applications in the lottery domain. The position involves developing modern, responsive user interfaces, managing application state, and integrating with REST APIs within a collaborative team environment. 🗂️ Requirements: Commercial experience as Mid-level Frontend Developer in React ecosystem, Strong knowledge of React.js, Strong knowledge of TypeScript, Strong knowledge of JavaScript ES6+, Experience with HTML5, Experience with CSS3, Experience with SCSS, Practical experience with React Hooks, Experience with state management (Redux, Zustand, or ContextAPI), Experience with REST API integration, Understanding of Responsive Web Design, Experience with Git and GitHub 📃 Skills: React, TypeScript, JavaScript, HTML5, CSS3, SCSS, Redux, Zustand, ContextAPI, Git, GitHub, REST, RWD, Storybook, Cypress, Next.js, ReactNative, Three.js, WCAG, AgilityCMS, AWS, Azure 🏢 Description: We are seeking a Frontend React Mid Developer to build and scale modern, high-performance frontend applications for a client in the lottery industry. Our expectations Commercial experience as a Frontend Developer (Mid level) specializing in the React ecosystem; Strong knowledge of React.js, TypeScript, and JavaScript (ES6+); Knowledge of and experience working with HTML5, CSS3, and SCSS; Practical experience with React Hooks; Experience in application state management (Redux, Zustand, or Context API); Proficiency with Git version control and the GitHub platform; Experience in REST API integration, as well as a solid understanding of Responsive Web Design and component-driven development; English language skills at a level that allows fluent communication (B2). Readiness to work in a hybrid workmodel in a client's office (Warsaw), fostering a collaborative and engaging team environment. Welcome Skills Familiarity with component testing and documentation tools (Storybook, Cypress); Experience with the Next.js framework or React Native technology; Knowledge of 3D graphics libraries (Three.js) and accessibility standards (WCAG); Experience working with Headless CMS systems (e.g., Agility CMS); Basic knowledge of or exposure to cloud environments (AWS or Azure). Key tasks Create and develop frontend applications using the React library, TypeScript, and modern JavaScript (ES6+); Design and implement reusable UI components and efficiently manage application states; Collaborate with the backend team and integrate applications with APIs (REST API); Create responsive and polished user interfaces (RWD) using HTML5, CSS3, and SCSS; Use the Git/GitHub version control system in daily team collaboration; Maintain high code quality, apply best programming practices, and participate in the code review process; Collaborate with the cross-functional team (developers, testers, designers) to optimize application performance.

🏢 Summary: Part-time Front-end Developer role focused on building and maintaining web applications using ReactJS and TypeScript. The position involves developing new features, writing unit tests, conducting code reviews, and preparing technical documentation. Suitable for junior developers or students seeking hands-on experience in modern front-end development. 🗂️ Requirements: Strong knowledge of ReactJS, Strong knowledge of TypeScript, Ability to write unit tests, Very good knowledge of HTML5, Very good knowledge of CSS3, Very good knowledge of JavaScript, Ability to read technical documentation in English, Knowledge of clean code principles, Knowledge of design patterns, Adherence to software development best practices 📃 Skills: ReactJS, TypeScript, JavaScript, Node, HTML5, CSS3, UnitTesting, GitHub, GitLab, Docker, Git 🏢 Description: Who we’re looking for: We’re looking for a Front-end Developer available for at least part-time work to join our team. If you’re just starting your career or are currently a student, this job is for you. Technologies: ReactJS TypeScript JavaScript Node Responsibilities: Creating new and developing existing web applications on the front-end side Developing tests for applications Preparing technical documentation Conducting code reviews Requirements: English proficiency sufficient to read technical documentation Creative, problem-solving mindset Strong knowledge of ReactJS and TypeScript Ability to write unit tests Very good knowledge of the latest HTML5, CSS3, and JavaScript standards Analytical thinking and problem-solving skills Openness to others and ability to work in a team Willingness to learn new technologies Adherence to software development best practices Knowledge and application of clean code principles Knowledge of design patterns Preferred: Experience with a group or commercial front-end application project Personal projects in your portfolio Knowledge of code repository management platforms, such as GitHub or GitLab Knowledge of Docker We offer: Subsidies for gym memberships Company-wide events Opportunities to learn and gain experience The chance to work on interesting and diverse projects The option to work 100% remotely Participation in industry events

🏢 Summary: 6-month fully remote contract for a Mid .NET Developer to build and maintain backend services for a modern EdTech web platform. The role focuses on designing REST APIs, modeling data in PostgreSQL, and delivering production-grade features end-to-end using .NET 9 and Entity Framework. You will work on a user-facing application with strong emphasis on clean architecture, testing, and performance. 🗂️ Requirements: 5+ years commercial experience as .NET Developer building production backend systems, .NET 9 experience building REST APIs and backend services, Strong experience with Entity Framework Core, Advanced knowledge of REST API design, Advanced knowledge of PostgreSQL schema design and query optimization, Experience with CI/CD pipelines, Basic knowledge of Docker, Experience writing unit and integration tests, Experience using coding assistant tools 📃 Skills: C#, .NET, REST, EntityFramework, PostgreSQL, SQL, Docker, CICD, GitHubActions, AzureDevOps, GitLabCI, React, TypeScript 🏢 Description: About the Project We are looking for a Mid .NET 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 Backend : .NET 9 (REST API), Entity Framework 9 Database: PostgreSQL Frontend : React 18 with TypeScript Engagement Duration : 6 months - project runs through October 2026 Start date : ASAP Capacity : ~130-140 hours/month Work mode : fully remote Equipment : your own hardware Responsibilities Design, develop and maintain backend services and REST APIs in .NET 9 powering the educational platform. Model the domain together with the team — translate product requirements into clean, maintainable code and a sensible data model in PostgreSQL . Implement and evolve the data layer using Entity Framework 9 — entities, configurations, migrations, querying, and performance tuning. Design API contracts Take ownership of features end-to-end — from refinement, through implementation and testing, to deployment Write clean, testable code and cover it with unit and integration tests ; contribute to keeping the test suite healthy and meaningful. Technical Requirements Required 5+ years of commercial experience as a .NET Developer building production-grade backend systems. Strong, hands-on experience with .NET 9 and Entity Framework Core — building REST APIs, middleware, dependency injection, configuration, background services. Advanced knowledge of REST API design Advanced knowledge of PostgreSQL — schema design, indexing strategies, query optimization English - sufficient for written and spoken communication within the team. Familiarity with CI/CD pipelines (GitHub Actions, Azure DevOps, GitLab CI or similar) and basic awareness of containerization (Docker). Day-to-day use of coding assistant tools like Claude Code, Codex, GitHub Copilot or similar Nice to have Exposure to Azure — deploying and operating .NET services in the cloud. Familiarity with the front-end stack (React + TypeScript) — enough to read FE code, debug integration issues and have productive conversations with FE engineers. Previous work in EdTech or other user-facing products with strict reliability, accessibility and data-privacy requirements. Recruitment Process CV screening Technical interview Decision If this sounds like a fit, we'd love to see your CV.

🏢 Summary: Frontend (TypeScript) Developer role focused on building and enhancing innovative solutions within the pharmaceutical industry. The position involves designing and developing modern web applications, improving workflows and UI, and ensuring system reliability and security. You will collaborate closely with product teams and contribute to AI-driven and automation-based features. 🗂️ Requirements: Proficiency in TypeScript, Proficiency in Vue, Proficiency in Nuxt, Minimum B2 level of English, At least 1 year of commercial experience in frontend development 📃 Skills: TypeScript, Vue, Nuxt, Azure, PostgreSQL, OfficeJS, Python, Vitest, Node.js, RxJS, Docker, AI, CI/CD 🏢 Description: 🔥 We are looking for a Frontend Developer 🔥 Are you ready to embark on an exciting journey with us? Join our dynamic team as a TypeScript Developer and be part of an innovative project within the pharmaceutical industry. We are seeking a passionate individual who thrives on technology challenges and is eager to contribute to impactful solutions. If you consider yourself a valuable addition to our team and you are ready for the challenge, don't hesitate to apply! 🟪 Key Responsibilities: Engaging in Active Collaboration: Work hand-in-hand with the product team and other departments to dive deep into user needs, ensuring the solutions you develop are both innovative and directly aligned with user expectations. Driving Technological Innovation: Spearhead the design and development of state-of-the-art solutions that streamline and enhance recruitment processes. Utilize the latest advancements in AI technology to bring automation and efficiency to the forefront. Bringing Ideas to Life: Have the autonomy to initiate and bring your own ideas to the table. This includes the creative freedom to design and refine workflow processes and user interfaces, aiming to boost functionality and improve user experiences. Maintaining Robust Systems: Play a crucial role in ensuring the smooth operation of our services, focusing on continuous integration, and prioritizing the security and reliability of applications. Embracing Growth and Teamwork: Show a keenness to learn and evolve professionally, remaining receptive to feedback. Foster a spirit of cooperation and shared objectives within the team, contributing to a culture where collective success is celebrated. 🟪 Requirements: Proficiency in TypeScript, Vue, and Nuxt: You should have a solid understanding and practical experience with TypeScript, Vue, and Nuxt. English Language Proficiency: A minimum of B2 level proficiency is required to ensure effective communication within our international team. Experience: At least a year of experience in the field. However, if you believe you are a valuable addition to our team and are up for the challenge, we encourage you to apply regardless of your years of experience. 🟪 Nice to Have: Experience with Azure , PostgreSQL , OfficeJS , Python , and Vitest is appreciated but not mandatory. Experience in reporting tools or environments would be beneficial. Familiarity with Node.js and RxJS . Experience with Docker containers is a plus. This is a hybrid position. In our team, you will have the unique opportunity to work directly under the guidance of our Senior Developer, who has built this product ecosystem from the ground up. His knowledge and experience in creating advanced microservices architecture, utilizing modern technologies such as Svelte (and other technologies, that are mentioned in the offer), are invaluable.

🏢 Summary: Frontend Developer role focused on building and evolving a large-scale, high-performance administrative web platform using React. The position emphasizes scalable architecture, code quality, automated testing, and integration with backend services. You will contribute to architectural decisions and maintain robust, maintainable frontend solutions in an enterprise environment. 🗂️ Requirements: 5+ years frontend development experience, Strong commercial experience with React, Expert knowledge of modern JavaScript (ES2024+), Advanced TypeScript proficiency, Experience integrating REST APIs, Hands-on experience with Webpack and Babel, Proficient with npm or yarn, Strong Git experience, Experience designing scalable frontend architectures, Experience with automated testing (unit, component, E2E) using Jest, React Testing Library, Cypress 📃 Skills: React, JavaScript, TypeScript, REST, Webpack, Babel, npm, yarn, Git, Jest, Cypress, GraphQL 🏢 Description: We are looking for an experienced Frontend Developer passionate about building scalable, high-performance user interfaces. In this role, you will contribute to the development and evolution of a large-scale administrative web platform, ensuring high code quality, maintainability, and performance. Key Requirements 5+ years of experience in frontend development, preferably in complex or enterprise-scale environments Strong commercial experience with React (state management, hooks, component lifecycle, application architecture) Expert knowledge of modern JavaScript (ES2024+) , including asynchronous programming and modular architecture Solid hands-on experience with TypeScript (advanced typing, generics, large-scale React integration) Experience integrating frontend applications with REST APIs (HTTP methods, authentication, data handling) Practical knowledge of build tools such as Webpack, Babel, npm/yarn Strong experience with Git (branching strategies, code reviews, conflict resolution) Experience designing and implementing scalable and high-performance frontend architectures Ability to write automated tests using Jest, React Testing Library, and Cypress Nice to Have Experience working with GraphQL in React-based applications Understanding and practical use of software design patterns Responsibilities Develop and enhance a complex React-based administrative platform Contribute to frontend architecture decisions and scalability improvements Maintain high standards of code quality (Clean Code, SOLID principles) Write and maintain unit, component, and end-to-end tests Collaborate with cross-functional teams in an agile delivery environment

🏢 Summary: 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: Mid/Senior Fullstack Developer role focused on designing and developing modern web applications across the entire technology stack. The position involves full software lifecycle participation, including architecture design, backend and frontend development, database modeling, API integrations, testing, and CI/CD processes. The developer will build new solutions and enhance existing systems with strong emphasis on quality, performance, and automation. 🗂️ Requirements: Minimum 2 years of web application development experience, Experience delivering at least 3 projects end-to-end, RWD development using Bootstrap 4 and BEM, Very good knowledge of HTML5, CSS3, SASS, SCSS, JavaScript, Experience with React or Angular or Vue or Redux, Experience with REST API integration, Experience with Python frameworks: Django or Flask or FastAPI, Experience with SQL and NoSQL databases, Experience with Docker or Podman, Experience with CI/CD pipelines, Experience writing tests using unittest or pytest, Experience with Git version control 📃 Skills: HTML5, CSS3, SASS, SCSS, JavaScript, React, Angular, Vue, Redux, Python, Django, Flask, FastAPI, SQL, NoSQL, REST, Docker, Podman, CI/CD, unittest, pytest, Git, Bootstrap, BEM, RWD 🏢 Description: Szukasz projektu, w którym będziesz mieć realny wpływ na rozwój nowoczesnych aplikacji webowych, uczestniczyć w projektowaniu architektury oraz pracować nad rozwiązaniami obejmującymi cały stack technologiczny? Dla naszego klienta poszukujemy Mid/Senior Fullstack Developera, który wesprze zespół w tworzeniu nowych aplikacji webowych oraz rozwoju istniejących rozwiązań. Osoba na tym stanowisku będzie uczestniczyć w pełnym cyklu wytwarzania oprogramowania – od analizy wymagań biznesowych, przez projektowanie i implementację, aż po wdrożenie i utrzymanie systemów. Twój zakres obowiązków: Projektowanie i rozwój aplikacji webowych: Tworzenie oraz rozwijanie nowoczesnych aplikacji webowych w oparciu o technologie frontendowe i backendowe, z uwzględnieniem wymagań biznesowych, wydajnościowych oraz jakościowych. Współpraca przy analizie i planowaniu rozwiązań: Ścisła współpraca z Product Ownerem, analitykami oraz interesariuszami biznesowymi w zakresie zbierania wymagań, planowania prac, estymacji zadań i proponowania optymalnych rozwiązań technologicznych. Implementacja nowych funkcjonalności: Projektowanie i rozwój nowych modułów systemowych, integracji oraz funkcjonalności wspierających realizację celów biznesowych organizacji. Projektowanie i rozwój warstwy danych: Tworzenie, rozwój i optymalizacja struktur baz danych SQL i NoSQL, modelowanie danych oraz zapewnienie wydajnej komunikacji pomiędzy aplikacją a warstwą bazodanową. Integracja systemów i rozwój API: Implementacja oraz rozwój usług opartych o REST API, integracja z systemami zewnętrznymi oraz zapewnienie niezawodnej wymiany danych pomiędzy komponentami rozwiązania. Dbałość o jakość i automatyzację procesów: Tworzenie testów jednostkowych i automatycznych, udział w procesach CI/CD, wykorzystanie konteneryzacji oraz wdrażanie dobrych praktyk programistycznych zapewniających wysoką jakość kodu. Współpraca zespołowa i rozwój architektury: Aktywny udział w pracach zespołu projektowego, code review, dzieleniu się wiedzą oraz współtworzeniu architektury rozwijanych rozwiązań. Dokumentacja techniczna: Przygotowywanie i aktualizacja dokumentacji technicznej, projektowej oraz powykonawczej, wspierającej utrzymanie i dalszy rozwój aplikacji. Nasze wymagania: Minimum 2 lata doświadczenia w tworzeniu aplikacji webowej Przynajmniej 3 projekty realizowanych w zespole kilku osobowym lub samodzielnie - w pełnym cyklu wdrożenia rozwiązania od identyfikacji źródeł danych do uruchomienia aplikacji. Umiejętność wytwarzania stron internetowych w technice RWD (Bootstrap 4) w metodologii BEM Bardzo dobra znajomość HTML5, CSS3, SASS, SCSS oraz JavaScript Doświadczenie w pracy z jednym z Framework’ów: ReactJS , Angular, Vue, Redux Umiejętność pracy z API REST Znajomość technologii Python DJango, Flask, FastAPI Doświadczenie w pracy z bazami danych SQL jak i NoSQL Preferowane środowisko programistyczne: VS Code, PyCharm Znajomość konteneryzacji (Docker/Podman) Doświadczenie z procesami CI/CD Doświadczenie z GIS Umiejętność pisania testów z wykorzystaniem unittest/pytest Praca z wykorzystanym system kontroli wersji GIT Mile widziane: Doświadczenie z K8s Doświadczenie z GitLab Znajomość Jenkins oraz Selenium

🏢 Summary: Development role focused on building and expanding a modern web application using a clean, standard tech stack. The position involves creating secure REST APIs, designing database schemas and migrations, and developing a component-based Angular front-end. The role requires close integration between front-end and back-end systems. 🗂️ Requirements: Commercial experience with Java and Spring Boot or Angular, Understanding of relational databases, Experience with PostgreSQL, Experience with REST APIs, Experience with Git 📃 Skills: Java, Spring, SpringBoot, Angular, TypeScript, PostgreSQL, Liquibase, REST, Git, Docker, CI/CD 🏢 Description: We are looking for a developer to join our team and help us build and expand our web application. Standard, clean tech stack with no legacy trap. Tech Stack Back-End: Java, Spring Boot Database and Migration: PostgreSQL, Liquibase Front-End: Angular (TypeScript) Your Responsibilities Developing and maintaining secure REST APIs (Spring Boot). Designing database schemas and managing migrations (Liquibase and Postgres). Building clean, component-based UI (Angular). Ensuring smooth Front-End / Back-End integration. Requirements Proven commercial experience with Java/Spring Boot OR Angular (ideally both for Full-Stack). Good understanding of relational databases (PostgreSQL). Experience with Git and REST APIs. Nice to have: Experience with Docker or CI/CD pipelines.

🏢 Summary: Long-term opportunity for a Strong Middle/Senior Full Stack Developer (Node.js + React.js) to design, develop, and optimize a live educational platform. The role involves full-stack feature development, system design participation, third-party integrations, and performance, scalability, and security improvements. You will work on a mature product with continuous enhancements using modern cloud and DevOps practices. 🗂️ Requirements: 4+ years professional software development experience, 4+ years frontend experience with JavaScript, Strong knowledge of React.js, Strong knowledge of Node.js, Strong knowledge of NestJS, Experience with PHP, Experience with AWS, Experience with Docker, Experience with MySQL, Proficient with Git 📃 Skills: JavaScript, React, Node.js, NestJS, PHP, AWS, Docker, MySQL, Git, CI/CD, Salesforce, Contentful, Kubernetes, GraphQL, Jenkins 🏢 Description: Client Our client is a US‑based nonprofit organization developing an educational platform that supports students in learning computer science and building coding projects. The platform provides curriculum materials, teaching tools, progress tracking, collaboration features, and portfolio‑building capabilities. The mission of the platform is to help close the gender gap in the tech industry. Project overview The project is live and has been actively developed for over 5 years, with continuous feature enhancements and security improvements. All development is carried out on our side. Position overview We are looking for a Strong Middle/Senior Full Stack Developer (Node.js + React.js) to join our dynamic team. You will be involved in the design, development, and optimization of both frontend and backend functionality, working closely with a cross‑functional team on a long‑term product. Responsibilities Develop and maintain platform features using Node.js, React.js, and NestJS Participate in system design, architecture discussions, and technical decision‑making Improve platform performance, scalability, and security Implement integrations with third‑party systems (e.g., Salesforce, Contentful) Work closely with product managers, designers, and QA to deliver high‑quality features Write clean, maintainable, and well‑tested code Participate in code reviews and provide constructive feedback to the team Contribute to DevOps processes using AWS, Docker, and CI/CD tools Troubleshoot, debug, and resolve technical issues in both frontend and backend components Support continuous enhancement and modernization of the long‑running project Requirements 4+ years of professional software development experience 4+ years of hands‑on experience with JavaScript for frontend development Strong knowledge of: React.js, Node.js, NestJS Experience with PHP Experience working with AWS and Docker Experience with MySQL Confident use of Git Nice to have Solid understanding of Kubernetes Experience with GraphQL Familiarity with Jenkins and CI/CD automation Experience integrating with Salesforce and Contentful