Lead Full-Stack Software Engineer (Java + ReactJS)

🏢 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.

🏢 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.

🏢 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.

🏢 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.

🏢 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.

🏢 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.

🏢 Summary: Lead Full Stack Engineer role focused on building and scaling modern web applications using Node.js, Nest.js, React, and Next.js. The position combines hands-on development with technical leadership, architecture design, mentoring, and DevOps responsibilities. The role also emphasizes software quality, CI/CD, automated testing, and the use of AI-powered development tools. 🗂️ Requirements: 6+ years of Full Stack web development experience, Strong expertise in Nest.js, Strong expertise in Node.js, Strong expertise in React, Strong expertise in Next.js, Experience designing scalable architectures, Experience making technical decisions, Experience with cloud infrastructure, Experience with deployment pipelines, Experience with DevOps practices, Strong understanding of software quality and testing, Experience mentoring developers, Experience leading technical initiatives, Fluent English 📃 Skills: Node.js, Nest.js, React, Next.js, CI/CD, DevOps, Cloud, Testing, JavaScript, TypeScript 🏢 Description: Lead Full Stack Engineer (Node.js / React / Next.js) 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.

🏢 Summary: Senior Fullstack Engineer role focused on designing and building scalable Java and React applications in a hybrid model. The position involves architecture design, backend and frontend development, DevOps practices, and driving high-quality software delivery across the full SDLC. 🗂️ Requirements: 8+ years of experience in Java application development, Strong proficiency in Java and React, Experience in Web API development, Experience building scalable backend services, Strong SQL skills, Experience with PostgreSQL, Experience with T-SQL scripting, Experience in query optimization and performance tuning, Experience with CI/CD pipelines, Strong knowledge of SDLC 📃 Skills: Java, React, SQL, PostgreSQL, T-SQL, CI/CD, DevOps, SDLC, WebAPI, REST, DesignPatterns, UX 🏢 Description: Empower innovation at the forefront of software development — shape scalable solutions that transform user experiences! Krakow-based opportunity with hybrid work model (up to 3 remote days per week). As a Senior Java & React Fullstack Engineer – Software Development , you will be working for our client, a leading technology company dedicated to delivering cutting-edge digital solutions. You’ll contribute to designing and building robust applications that enhance customer engagement and operational efficiency, fueling digital transformation and innovation. Your main responsibilities: Participate in software architecture design to ensure scalable, secure, and high-quality systems. Lead UI improvements and implement solutions to elevate UX and application stability. Develop according to best practices and Design Patterns to produce maintainable and efficient code. Analyze requirements thoroughly and recommend enhancements for optimal solutions. Create clear documentation to support ongoing development and maintenance. Develop and validate application prototypes to test concepts and user interactions. Manage changes throughout the Service Management lifecycle, supporting automation and continuous improvement initiatives. Provide exceptional customer support by promptly addressing and resolving technical issues. Communicate effectively to understand customer needs and deliver tailored solutions. You're ideal for this role if you have: 8+ years of professional experience in Java application development, including front-end (preferably React). Strong proficiency in Java, Web API development, and building scalable backend services. Solid SQL skills with PostgreSQL, including T-SQL scripting, query optimization, and performance tuning. Experience with DevOps practices such as CI/CD pipelines. Extensive knowledge of the SDLC, from requirements gathering to deployment and maintenance. Exceptional problem-solving skills and keen attention to detail to ensure high-quality deliverables and resolve complex issues efficiently. It is a strong plus if you have: (optional) Certifications in Java, React, or DevOps. Experience with cloud platforms such as AWS or Azure. Language Required for the role: Fluent English proficiency. Eligibility to work on this role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 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.

🏢 Summary: Full Stack Developer role focused on building scalable backend services in Java and modern, responsive front-end applications in React.js. The position involves designing RESTful APIs, collaborating with cross-functional teams, and delivering clean, maintainable, high-quality code in a hybrid work model. 🗂️ Requirements: Commercial experience with Java, Experience with Spring Boot framework, Strong knowledge of React.js, Proficiency in modern JavaScript, Experience designing and consuming RESTful APIs, Experience with relational or non-relational databases, Experience with version-controlled collaborative development, Availability to work onsite in hybrid model (Cracow) 📃 Skills: Java, SpringBoot, React, JavaScript, REST, SQL, NoSQL, AWS, Azure, GCP, Docker, Kubernetes, CICD 🏢 Description: 𝗪𝗲 𝗔𝗿𝗲 𝗛𝗶𝗿𝗶𝗻𝗴: 𝗝𝗮𝘃𝗮 𝗮𝗻𝗱 𝗥𝗲𝗮𝗰𝘁.𝗷𝘀 𝗙𝘂𝗹𝗹 𝗦𝘁𝗮𝗰𝗸 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗲𝗿 We are currently seeking a skilled and motivated Full Stack Developer with strong expertise in Java and React.js to join our growing team. In this role, you will be responsible for designing and developing scalable backend services using Java, as well as building modern, responsive user interfaces using React.js. You will work closely with cross-functional teams to deliver high-quality, reliable solutions, while ensuring that your code is clean, maintainable, and efficient. 𝗞𝗲𝘆 𝗥𝗲𝘀𝗽𝗼𝗻𝘀𝗶𝗯𝗶𝗹𝗶𝘁𝗶𝗲𝘀: Developing robust backend applications using Java, ideally with Spring Boot Creating intuitive and high-performing front-end applications using React.js and modern JavaScript Designing and consuming RESTful application programming interfaces Collaborating with colleagues across engineering, product, and design teams Contributing to code reviews and continuous improvement practices 𝗪𝗲 𝗮𝗿𝗲 𝗹𝗼𝗼𝗸𝗶𝗻𝗴 𝗳𝗼𝗿 𝗰𝗮𝗻𝗱𝗶𝗱𝗮𝘁𝗲𝘀 𝘄𝗵𝗼 𝗵𝗮𝘃𝗲: Proven experience working with Java and related frameworks Strong knowledge of React.js and modern JavaScript standards Experience working with relational or non-relational databases A proactive approach to problem-solving and a strong attention to detail Excellent communication and teamwork skills It would be beneficial if you also have: Experience working with cloud platforms such as Amazon Web Services, Microsoft Azure, or Google Cloud Platform Exposure to continuous integration and continuous delivery pipelines Familiarity with containerisation technologies such as Docker and Kubernetes 📍 𝗟𝗼𝗰𝗮𝘁𝗶𝗼𝗻: Cracow, Poland (Hybrid – 3 days per week onsite) 💼 𝗘𝗺𝗽𝗹𝗼𝘆𝗺𝗲𝗻𝘁 𝗧𝘆𝗽𝗲: B2B If you are passionate about building impactful technology and are looking to take the next step in your career, we would be delighted to hear from you. Please apply or get in touch directly for more information.