Senior Full Stack Developer (React, Java)

Expected, Java, Spring Framework, Spring Boot, React.js, TypeScript, JavaScript, AWS, SQL, REST APIs, HTML, CSS, SCSS, Jest, React Testing Library Optional, Kafka, Hadoop, Apache Spark, Next.js, Redux Operating system, Windows About the project, The project involves designing, developing, and maintaining scalable full stack applications using modern technologies such as React, Java, and AWS. This is how we work, you can change the project, you have influence on the choice of tools and technologies, you have influence on the technological solutions applied, you have influence on the product, agile, scrum Team members, backend developer, frontend developer, manual tester, product owner, project manager, scrum master Your responsibilities, Design, develop, and maintain scalable full stack applications using Java and React., Build and maintain backend services with Java, Spring Framework, Spring Boot, SQL, and AWS., Develop modern, reusable, and responsive user interfaces using React, TypeScript, and JavaScript., Design and implement scalable frontend architecture and reusable UI components., Collaborate closely with Product Owners, QA Engineers, and other development teams., Integrate frontend applications with REST APIs and backend microservices., Contribute to architectural decisions and technical discussions., Ensure application performance, scalability, security, and maintainability., Participate in code reviews, sprint planning, and Agile ceremonies., Support deployment automation, production operations, and troubleshooting., Mentor less experienced developers and promote engineering best practices. Minimum 5–7 years of professional software development experience., Strong commercial experience with Java, Spring Framework, and Spring Boot., Strong commercial experience with React.js and TypeScript., Solid understanding of JavaScript (ES6+)., Experience working with AWS in production environments., Strong understanding of microservices architecture., Hands-on experience with SQL and relational databases., Experience integrating and consuming REST APIs., Very good knowledge of HTML5, CSS3 / SCSS, responsive design, and cross-browser compatibility., Experience with frontend testing using Jest and React Testing Library., Familiarity with modern frontend tooling and build processes., Ability to work independently, take ownership of delivered solutions, and contribute to system design., Excellent communication skills and experience working in Agile environments. Optional, Experience with Kafka or other event-driven architectures., Knowledge of Hadoop or Apache Spark., Experience with Next.js., Experience with Redux, Zustand, or similar state management solutions., Previous experience in Healthcare or Life Sciences projects. What we offer, Long-term cooperation on an international project., 100% remote work within Poland., Flexible working hours., Opportunity to influence architecture and technical decisions., Modern technology stack., Supportive, collaborative engineering culture., Learning and development opportunities., Modern equipment and comfortable working environment. This is how we work on a project, code review, design patterns, Continuous Deployment, Continuous Integration, documentation, issue tracking tools, unit tests, manual tests Benefits, sharing the costs of sports activities, private medical care, remote work opportunities ITEAMLY SPÓŁKA Z OGRANICZONĄ ODPOWIEDZIALNOŚCIĄ, As Venture Building, we create profitable technology companies from scratch. We collaborate with partners who share similar aspirations and are open to leveraging the potential of their networks, cultivated over years. We regularly launch new projects founded on long-term, amicable relationships with our associates.