New offer - be the first one to apply!
July 16, 2026
Lead Full Stack Engineer (Node.js / React / Next.js)
Senior • Hybrid
30,000 - 32,000 PLN
Warsaw, Poland
We are looking for a Lead Full Stack Engineer to drive the technical direction of a modern web platform. In this role, you will combine hands-on development with architecture, technical leadership, and mentoring, helping to build scalable, high-quality solutions while promoting engineering best practices.
Responsibilities
- Design and develop scalable applications using Node.js (Nest.js), React, and Next.js.
- Define architecture, improve system performance, and support platform scalability.
- Lead code reviews, promote coding standards, and reduce technical debt.
- Contribute to CI/CD, deployment processes, and platform reliability.
- Build and maintain automated testing strategies.
- Mentor developers and foster knowledge sharing across the team.
- Leverage AI-powered development tools to improve engineering efficiency and delivery.
Requirements
- 6+ years of experience in Full Stack web development.
- Strong expertise in Nest.js (Node.js), React, and Next.js.
- Proven experience designing scalable architectures and making technical decisions.
- Experience with cloud infrastructure, deployment pipelines, and DevOps practices.
- Strong understanding of software quality, testing, and engineering best practices.
- Experience mentoring developers and leading technical initiatives.
- Fluent English.
Similar jobs you might like
Technology
EPAM Systems
Lead Full-Stack Software Engineer (Java + ReactJS)
Senior
Hybrid
Wroclaw, Poland
🏢 Summary: Lead Full-Stack Software Engineer role focused on building modern web applications using ReactJS and Java/Spring Boot. The position involves leading end-to-end development, designing scalable APIs, building reusable UI components, and ensuring quality across frontend and backend systems. Candidates should have strong full-stack expertise, leadership experience, and knowledge of modern web architecture and testing practices. 🗂️ Requirements: Bachelor's degree in Computer Science, Information Systems, or Engineering, 5+ years of full-stack development experience, 1+ year of leadership experience, Proficiency in HTML5, Proficiency in CSS3, Proficiency in JavaScript, Expertise in React, Expertise in Redux, Expertise in Webpack, Skills in TypeScript, Experience with Micro-Frontend architecture, Background in Java, Experience with Spring Boot, Knowledge of JPA, Understanding of API design, Understanding of authentication, Knowledge of microservices, Knowledge of responsive design, Knowledge of mobile-first development, Familiarity with browser testing and debugging tools, Ability to write reusable components, Ability to write unit tests, Strong debugging and problem-solving skills, English proficiency at B2+ level 📃 Skills: Java, ReactJS, SpringBoot, Redux, Webpack, TypeScript, JavaScript, HTML5, CSS3, JPA, Microservices, API, Authentication, MicroFrontend, JUnit 🏢 Description: We are looking for a Lead Full-Stack Software Engineer with expertise in Java and ReactJS to help design and deliver modern web applications across a React frontend and Spring Boot backend. You will guide technical execution, build reusable components and APIs, and ensure quality from development through deployment. Responsibilities Lead end-to-end development across ReactJS frontend and Java/Spring Boot backend Design and implement scalable APIs, including authentication and database connectivity Build reusable UI components and shared frontend patterns Architect responsive, mobile-first user experiences using modern web standards Implement backend persistence and business logic using Spring Data JPA Write unit tests using an appropriate unit test framework and ensure code quality Debug and troubleshoot issues across browsers, frontend, and backend Collaborate with the team to deliver features through design, development, and deployment Evaluate and adopt new technologies when needed to meet project goals Requirements Bachelor's degree in Computer Science, Information Systems, or Engineering 5+ years of full-stack development experience in modern web technologies At least 1 year of relevant leadership experience Proficiency in HTML5, CSS3, and JavaScript Expertise in React, Redux, and Webpack Skills in TypeScript and Micro-Frontend architecture Background in Java, Spring Boot, and JPA Understanding of API design, authentication, and microservices Knowledge of responsive design and mobile-first development principles Familiarity with browser testing and debugging tools Capability to write reusable components and unit test cases Strong debugging and problem-solving skills, with the ability to work both independently and collaboratively Good work ethic, self-starter mindset, and results-oriented approach Excellent command of written and spoken English (B2+ level) Nice to have Knowledge of software development lifecycle (SDLC) methodologies such as Agile and Waterfall EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Lead Full-Stack Software Engineer (Java + ReactJS)
Senior
Hybrid
Poznan, Poland
🏢 Summary: Lead Full-Stack Software Engineer role focused on building and delivering modern web applications using ReactJS and Java/Spring Boot. The position involves leading end-to-end development, designing scalable APIs, creating reusable UI components, and ensuring quality across frontend and backend systems. Candidates should have strong full-stack expertise, leadership experience, and knowledge of modern web architectures and testing practices. 🗂️ Requirements: Bachelor's degree in Computer Science, Information Systems, or Engineering, 5+ years of full-stack development experience, 1+ year of leadership experience, Proficiency in HTML5, Proficiency in CSS3, Proficiency in JavaScript, Expertise in React, Expertise in Redux, Expertise in Webpack, Skills in TypeScript, Experience with Micro-Frontend architecture, Background in Java, Experience with Spring Boot, Knowledge of JPA, Understanding of API design, Knowledge of authentication mechanisms, Understanding of microservices, Knowledge of responsive design, Knowledge of mobile-first development, Familiarity with browser testing and debugging tools, Ability to write reusable components, Ability to write unit tests, Strong debugging and problem-solving skills, English proficiency at B2+ level 📃 Skills: Java, React, ReactJS, Spring, SpringBoot, JPA, Redux, Webpack, TypeScript, JavaScript, HTML5, CSS3, Microservices, MicroFrontend, API, Authentication 🏢 Description: We are looking for a Lead Full-Stack Software Engineer with expertise in Java and ReactJS to help design and deliver modern web applications across a React frontend and Spring Boot backend. You will guide technical execution, build reusable components and APIs, and ensure quality from development through deployment. Responsibilities Lead end-to-end development across ReactJS frontend and Java/Spring Boot backend Design and implement scalable APIs, including authentication and database connectivity Build reusable UI components and shared frontend patterns Architect responsive, mobile-first user experiences using modern web standards Implement backend persistence and business logic using Spring Data JPA Write unit tests using an appropriate unit test framework and ensure code quality Debug and troubleshoot issues across browsers, frontend, and backend Collaborate with the team to deliver features through design, development, and deployment Evaluate and adopt new technologies when needed to meet project goals Requirements Bachelor's degree in Computer Science, Information Systems, or Engineering 5+ years of full-stack development experience in modern web technologies At least 1 year of relevant leadership experience Proficiency in HTML5, CSS3, and JavaScript Expertise in React, Redux, and Webpack Skills in TypeScript and Micro-Frontend architecture Background in Java, Spring Boot, and JPA Understanding of API design, authentication, and microservices Knowledge of responsive design and mobile-first development principles Familiarity with browser testing and debugging tools Capability to write reusable components and unit test cases Strong debugging and problem-solving skills, with the ability to work both independently and collaboratively Good work ethic, self-starter mindset, and results-oriented approach Excellent command of written and spoken English (B2+ level) Nice to have Knowledge of software development lifecycle (SDLC) methodologies such as Agile and Waterfall EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Lead Full-Stack Software Engineer (Java + ReactJS)
Senior
Hybrid
Warsaw, Poland
🏢 Summary: Lead Full-Stack Software Engineer role focused on building modern web applications using ReactJS and Java/Spring Boot. The position involves leading end-to-end development, designing scalable APIs, creating reusable frontend components, and ensuring quality across deployment cycles. Candidates should have strong full-stack expertise, leadership experience, and knowledge of modern frontend and backend architectures. 🗂️ Requirements: Bachelor's degree in Computer Science, Information Systems, or Engineering, 5+ years of full-stack development experience, 1+ year of leadership experience, Proficiency in HTML5, Proficiency in CSS3, Proficiency in JavaScript, Expertise in React, Expertise in Redux, Expertise in Webpack, Skills in TypeScript, Experience with Micro-Frontend architecture, Background in Java, Experience with Spring Boot, Knowledge of JPA, Understanding of API design, Understanding of authentication, Understanding of microservices, Knowledge of responsive design, Knowledge of mobile-first development, Familiarity with browser testing and debugging tools, Ability to write reusable components, Ability to write unit tests, Strong debugging and problem-solving skills, English level B2+ 📃 Skills: Java, ReactJS, SpringBoot, Redux, Webpack, TypeScript, JavaScript, HTML5, CSS3, JPA, Microservices, MicroFrontend, API, Authentication, JUnit 🏢 Description: We are looking for a Lead Full-Stack Software Engineer with expertise in Java and ReactJS to help design and deliver modern web applications across a React frontend and Spring Boot backend. You will guide technical execution, build reusable components and APIs, and ensure quality from development through deployment. Responsibilities Lead end-to-end development across ReactJS frontend and Java/Spring Boot backend Design and implement scalable APIs, including authentication and database connectivity Build reusable UI components and shared frontend patterns Architect responsive, mobile-first user experiences using modern web standards Implement backend persistence and business logic using Spring Data JPA Write unit tests using an appropriate unit test framework and ensure code quality Debug and troubleshoot issues across browsers, frontend, and backend Collaborate with the team to deliver features through design, development, and deployment Evaluate and adopt new technologies when needed to meet project goals Requirements Bachelor's degree in Computer Science, Information Systems, or Engineering 5+ years of full-stack development experience in modern web technologies At least 1 year of relevant leadership experience Proficiency in HTML5, CSS3, and JavaScript Expertise in React, Redux, and Webpack Skills in TypeScript and Micro-Frontend architecture Background in Java, Spring Boot, and JPA Understanding of API design, authentication, and microservices Knowledge of responsive design and mobile-first development principles Familiarity with browser testing and debugging tools Capability to write reusable components and unit test cases Strong debugging and problem-solving skills, with the ability to work both independently and collaboratively Good work ethic, self-starter mindset, and results-oriented approach Excellent command of written and spoken English (B2+ level) Nice to have Knowledge of software development lifecycle (SDLC) methodologies such as Agile and Waterfall EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Lead Full-Stack Software Engineer (Java + ReactJS)
Senior
Hybrid
Krakow, Poland
🏢 Summary: Lead Full-Stack Software Engineer role focused on building and delivering modern web applications using ReactJS and Java/Spring Boot. The position involves leading end-to-end development, designing scalable APIs, building reusable UI components, and ensuring application quality across frontend and backend systems. Candidates should have strong full-stack expertise, leadership experience, and knowledge of modern web architectures and testing practices. 🗂️ Requirements: Bachelor's degree in Computer Science, Information Systems, or Engineering, 5+ years of full-stack development experience, 1+ year of leadership experience, Proficiency in HTML5, Proficiency in CSS3, Proficiency in JavaScript, Expertise in React, Expertise in Redux, Expertise in Webpack, Experience with TypeScript, Experience with Micro-Frontend architecture, Background in Java, Experience with Spring Boot, Experience with JPA, Understanding of API design, Knowledge of authentication mechanisms, Understanding of microservices, Knowledge of responsive design, Knowledge of mobile-first development, Familiarity with browser testing and debugging tools, Ability to write reusable components, Ability to write unit tests, Strong debugging and problem-solving skills, English proficiency at B2+ level 📃 Skills: Java, ReactJS, Spring, SpringBoot, JPA, Redux, Webpack, TypeScript, JavaScript, HTML5, CSS3, Microservices, MicroFrontend, API, Authentication, SQL, Testing, Debugging 🏢 Description: We are looking for a Lead Full-Stack Software Engineer with expertise in Java and ReactJS to help design and deliver modern web applications across a React frontend and Spring Boot backend. You will guide technical execution, build reusable components and APIs, and ensure quality from development through deployment. Responsibilities Lead end-to-end development across ReactJS frontend and Java/Spring Boot backend Design and implement scalable APIs, including authentication and database connectivity Build reusable UI components and shared frontend patterns Architect responsive, mobile-first user experiences using modern web standards Implement backend persistence and business logic using Spring Data JPA Write unit tests using an appropriate unit test framework and ensure code quality Debug and troubleshoot issues across browsers, frontend, and backend Collaborate with the team to deliver features through design, development, and deployment Evaluate and adopt new technologies when needed to meet project goals Requirements Bachelor's degree in Computer Science, Information Systems, or Engineering 5+ years of full-stack development experience in modern web technologies At least 1 year of relevant leadership experience Proficiency in HTML5, CSS3, and JavaScript Expertise in React, Redux, and Webpack Skills in TypeScript and Micro-Frontend architecture Background in Java, Spring Boot, and JPA Understanding of API design, authentication, and microservices Knowledge of responsive design and mobile-first development principles Familiarity with browser testing and debugging tools Capability to write reusable components and unit test cases Strong debugging and problem-solving skills, with the ability to work both independently and collaboratively Good work ethic, self-starter mindset, and results-oriented approach Excellent command of written and spoken English (B2+ level) Nice to have Knowledge of software development lifecycle (SDLC) methodologies such as Agile and Waterfall EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Lead Full-Stack Software Engineer (Java + ReactJS)
Senior
Hybrid
Lodz, Poland
🏢 Summary: Lead Full-Stack Software Engineer role focused on developing modern web applications using ReactJS and Java/Spring Boot. The position involves leading end-to-end development, building scalable APIs and reusable UI components, and ensuring application quality across frontend and backend systems. Candidates should have strong full-stack expertise, leadership experience, and knowledge of modern web architectures and testing practices. 🗂️ Requirements: Bachelor's degree in Computer Science, Information Systems, or Engineering, 5+ years of full-stack development experience, 1+ year of leadership experience, Proficiency in HTML5, Proficiency in CSS3, Proficiency in JavaScript, Expertise in React, Expertise in Redux, Expertise in Webpack, Skills in TypeScript, Experience with Micro-Frontend architecture, Background in Java, Experience with Spring Boot, Experience with JPA, Understanding of API design, Knowledge of authentication, Understanding of microservices, Knowledge of responsive design, Knowledge of mobile-first development, Familiarity with browser testing tools, Familiarity with debugging tools, Ability to write reusable components, Ability to write unit tests, Strong debugging and problem-solving skills, English proficiency at B2+ level 📃 Skills: Java, ReactJS, Spring, SpringBoot, JPA, Redux, Webpack, TypeScript, JavaScript, HTML5, CSS3, Microservices, MicroFrontend, API, Authentication, React, JUnit 🏢 Description: We are looking for a Lead Full-Stack Software Engineer with expertise in Java and ReactJS to help design and deliver modern web applications across a React frontend and Spring Boot backend. You will guide technical execution, build reusable components and APIs, and ensure quality from development through deployment. Responsibilities Lead end-to-end development across ReactJS frontend and Java/Spring Boot backend Design and implement scalable APIs, including authentication and database connectivity Build reusable UI components and shared frontend patterns Architect responsive, mobile-first user experiences using modern web standards Implement backend persistence and business logic using Spring Data JPA Write unit tests using an appropriate unit test framework and ensure code quality Debug and troubleshoot issues across browsers, frontend, and backend Collaborate with the team to deliver features through design, development, and deployment Evaluate and adopt new technologies when needed to meet project goals Requirements Bachelor's degree in Computer Science, Information Systems, or Engineering 5+ years of full-stack development experience in modern web technologies At least 1 year of relevant leadership experience Proficiency in HTML5, CSS3, and JavaScript Expertise in React, Redux, and Webpack Skills in TypeScript and Micro-Frontend architecture Background in Java, Spring Boot, and JPA Understanding of API design, authentication, and microservices Knowledge of responsive design and mobile-first development principles Familiarity with browser testing and debugging tools Capability to write reusable components and unit test cases Strong debugging and problem-solving skills, with the ability to work both independently and collaboratively Good work ethic, self-starter mindset, and results-oriented approach Excellent command of written and spoken English (B2+ level) Nice to have Knowledge of software development lifecycle (SDLC) methodologies such as Agile and Waterfall EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Lead Full-Stack Software Engineer (Java + ReactJS)
Senior
Hybrid
Katowice, Poland
🏢 Summary: Lead Full-Stack Software Engineer role focused on building modern web applications using ReactJS and Java/Spring Boot. The position involves leading end-to-end development, designing scalable APIs, creating reusable UI components, and ensuring application quality through testing and deployment. Candidates should have strong full-stack expertise, leadership experience, and knowledge of responsive web development and microservices. 🗂️ Requirements: Bachelor's degree in Computer Science, Information Systems, or Engineering, 5+ years of full-stack development experience, 1+ year of leadership experience, Proficiency in HTML5, Proficiency in CSS3, Proficiency in JavaScript, Expertise in React, Expertise in Redux, Expertise in Webpack, Skills in TypeScript, Experience with Micro-Frontend architecture, Background in Java, Experience with Spring Boot, Knowledge of JPA, Understanding of API design, Understanding of authentication, Knowledge of microservices, Knowledge of responsive design, Knowledge of mobile-first development, Familiarity with browser testing tools, Familiarity with debugging tools, Ability to write reusable components, Ability to write unit tests, Strong debugging and problem-solving skills, English proficiency at B2+ level 📃 Skills: Java, ReactJS, SpringBoot, Redux, Webpack, TypeScript, JavaScript, HTML5, CSS3, JPA, Microservices, MicroFrontend, API, Authentication, SpringData, UnitTesting 🏢 Description: We are looking for a Lead Full-Stack Software Engineer with expertise in Java and ReactJS to help design and deliver modern web applications across a React frontend and Spring Boot backend. You will guide technical execution, build reusable components and APIs, and ensure quality from development through deployment. Responsibilities Lead end-to-end development across ReactJS frontend and Java/Spring Boot backend Design and implement scalable APIs, including authentication and database connectivity Build reusable UI components and shared frontend patterns Architect responsive, mobile-first user experiences using modern web standards Implement backend persistence and business logic using Spring Data JPA Write unit tests using an appropriate unit test framework and ensure code quality Debug and troubleshoot issues across browsers, frontend, and backend Collaborate with the team to deliver features through design, development, and deployment Evaluate and adopt new technologies when needed to meet project goals Requirements Bachelor's degree in Computer Science, Information Systems, or Engineering 5+ years of full-stack development experience in modern web technologies At least 1 year of relevant leadership experience Proficiency in HTML5, CSS3, and JavaScript Expertise in React, Redux, and Webpack Skills in TypeScript and Micro-Frontend architecture Background in Java, Spring Boot, and JPA Understanding of API design, authentication, and microservices Knowledge of responsive design and mobile-first development principles Familiarity with browser testing and debugging tools Capability to write reusable components and unit test cases Strong debugging and problem-solving skills, with the ability to work both independently and collaboratively Good work ethic, self-starter mindset, and results-oriented approach Excellent command of written and spoken English (B2+ level) Nice to have Knowledge of software development lifecycle (SDLC) methodologies such as Agile and Waterfall EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
EPAM Systems
Lead Full-Stack Software Engineer (Java + ReactJS)
Senior
Hybrid
Gdansk, Poland
🏢 Summary: Lead Full-Stack Software Engineer role focused on building modern web applications using ReactJS and Java/Spring Boot. The position involves leading end-to-end development, designing scalable APIs, creating reusable frontend components, and ensuring quality across deployment and testing. Candidates should have strong full-stack expertise, leadership experience, and knowledge of modern web architecture and microservices. 🗂️ Requirements: Bachelor's degree in Computer Science, Information Systems, or Engineering, 5+ years of full-stack development experience, 1+ year of leadership experience, Proficiency in HTML5, Proficiency in CSS3, Proficiency in JavaScript, Expertise in React, Expertise in Redux, Expertise in Webpack, Experience with TypeScript, Experience with Micro-Frontend architecture, Experience with Java, Experience with Spring Boot, Experience with JPA, Knowledge of API design, Knowledge of authentication, Knowledge of microservices, Knowledge of responsive design, Knowledge of mobile-first development, Familiarity with browser testing and debugging tools, Ability to write reusable components, Ability to write unit tests, Strong debugging and problem-solving skills, English proficiency at B2+ level 📃 Skills: Java, ReactJS, Spring, SpringBoot, JPA, Redux, Webpack, TypeScript, JavaScript, HTML5, CSS3, Microservices, MicroFrontend, API, Authentication, React, UnitTesting, Agile, Waterfall 🏢 Description: We are looking for a Lead Full-Stack Software Engineer with expertise in Java and ReactJS to help design and deliver modern web applications across a React frontend and Spring Boot backend. You will guide technical execution, build reusable components and APIs, and ensure quality from development through deployment. Responsibilities Lead end-to-end development across ReactJS frontend and Java/Spring Boot backend Design and implement scalable APIs, including authentication and database connectivity Build reusable UI components and shared frontend patterns Architect responsive, mobile-first user experiences using modern web standards Implement backend persistence and business logic using Spring Data JPA Write unit tests using an appropriate unit test framework and ensure code quality Debug and troubleshoot issues across browsers, frontend, and backend Collaborate with the team to deliver features through design, development, and deployment Evaluate and adopt new technologies when needed to meet project goals Requirements Bachelor's degree in Computer Science, Information Systems, or Engineering 5+ years of full-stack development experience in modern web technologies At least 1 year of relevant leadership experience Proficiency in HTML5, CSS3, and JavaScript Expertise in React, Redux, and Webpack Skills in TypeScript and Micro-Frontend architecture Background in Java, Spring Boot, and JPA Understanding of API design, authentication, and microservices Knowledge of responsive design and mobile-first development principles Familiarity with browser testing and debugging tools Capability to write reusable components and unit test cases Strong debugging and problem-solving skills, with the ability to work both independently and collaboratively Good work ethic, self-starter mindset, and results-oriented approach Excellent command of written and spoken English (B2+ level) Nice to have Knowledge of software development lifecycle (SDLC) methodologies such as Agile and Waterfall EPAM is a leading global provider of digital platform engineering and development services. We are committed to having a positive impact on our customers, our employees, and our communities. We embrace a dynamic and inclusive culture. Here you will collaborate with multi-national teams, contribute to a myriad of innovative projects that deliver the most creative and cutting-edge solutions, and have an opportunity to continuously learn and grow. No matter where you are located, you will join a dedicated, creative, and diverse community that will help you discover your fullest potential.
Technology
Link Group
Full-Stack Engineer
Senior
Remote
Bialystok, PD, Poland
110 - 129 PLN
🏢 Summary: Senior Fullstack Engineer role focused on building modern, scalable web applications using React and Node.js, with strong emphasis on frontend development. The position covers the full application stack, including backend services, API design, and data management. You will collaborate with cross-functional teams to deliver high-quality, accessible, and high-performance digital products. 🗂️ Requirements: Strong commercial experience with React, Strong commercial experience with Node.js, Experience with React Router, Experience with TanStack Query, Experience integrating Headless CMS (preferably Contentful), Understanding of API design principles, Experience with PostgreSQL, Experience with Redis, Experience with Vitest, Experience with Playwright, Knowledge of WCAG accessibility standards, Experience with performance optimisation, Ability to work across full software development lifecycle 📃 Skills: React, Node.js, TypeScript, Fastify, PostgreSQL, Redis, React Router, TanStack Query, Contentful, Vitest, Playwright, WCAG, SAP Gigya, Salesforce 🏢 Description: Senior Fullstack Engineer (React & Node.js) About the Role We are looking for a Senior Fullstack Engineer to join a product team building modern, scalable web applications and digital experiences. You will work across the entire application stack, from user-facing interfaces to backend services and integrations. The role has a strong focus on frontend engineering while also involving backend development, API design, and data management. You will collaborate closely with product, design, and engineering teams to deliver high-quality, accessible, and performant applications. Responsibilities Develop and maintain modern web applications using React, Node.js, and TypeScript. Build scalable and reusable UI components integrated with a design system. Develop and maintain backend services and APIs using Node.js and Fastify. Integrate applications with CMS platforms and third-party services. Work with PostgreSQL and Redis to support application functionality and performance. Write and maintain automated tests, including unit and end-to-end tests. Ensure high standards of accessibility, performance, and code quality. Participate in architectural discussions and contribute to engineering best practices. Requirements Strong commercial experience in fullstack development using React and Node.js. Solid experience with modern frontend technologies, including React Router and TanStack Query. Experience integrating with Headless CMS platforms, preferably Contentful. Good understanding of API design and backend development principles. Experience with PostgreSQL and Redis. Experience with automated testing frameworks such as Vitest and Playwright. Strong understanding of accessibility standards (WCAG) and performance optimisation. Ability to work across the entire software development lifecycle in a product-oriented environment. Nice to Have Experience with authentication and identity platforms such as SAP Gigya. Experience integrating Salesforce products or loyalty platforms. Experience in highly scalable, customer-facing digital products. Experience working in agile, cross-functional product teams.
Technology
Link Group
Fullstack Engineer - Node/React/Typescript + AI Solutions
Senior
Hybrid
Warsaw, Poland
23,000 - 30,000 USD
🏢 Summary: Fullstack Engineer role focused on building and integrating AI-powered features using LLMs within modern web applications. The position involves designing scalable APIs, AI workflows, and hybrid solutions combining AI with business logic across frontend and backend systems. You will collaborate cross-functionally to deliver production-ready AI solutions in a cloud environment. 🗂️ Requirements: 5+ years TypeScript and Node.js experience, 2+ years React or Next.js experience, Experience with cloud platforms (preferably GCP), Experience with PostgreSQL, Experience building AI-powered applications using LLMs and APIs, Strong prompt engineering skills, Experience designing AI workflows and orchestration, Understanding of AI limitations and best practices 📃 Skills: TypeScript, Node.js, React, Next.js, GCP, PostgreSQL, LLMs, APIs, Prompting, LangChain, RAG, Embeddings, VectorDB 🏢 Description: Fullstack Engineer - Node/React/Typescript + AI Solutions We are looking for an experienced Fullstack Engineer to build AI-powered solutions and shape how AI is used across modern systems. What you’ll do: Develop AI-driven features using LLMs Integrate AI APIs into backend and frontend applications Design scalable APIs and AI workflows (prompting, orchestration, response handling) Build hybrid solutions combining AI and business logic Collaborate with Data Engineers and other teams Requirements: 5+ years with TypeScript & Node.js (APIs, integrations) 2+ years with React (or Next.js) Experience with cloud (preferably GCP) and PostgreSQL Experience building AI-powered applications (LLMs, APIs) Strong prompt engineering & AI workflow design skills Understanding of AI limitations and best practices Nice to have: RAG, embeddings, vector databases LLM frameworks (e.g. LangChain)
Technology
Remodevs
Fullstack Team Lead (React & Node.js)
Senior
Hybrid
Warsaw, Poland
8,000 - 9,000 USD
🏢 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.