Full Stack Developer

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe. Do you want to work on cutting-edge solutions that transform data management in a global organization? Join our client's Data Fabric team and help us build a product that centralizes data access across the entire bank! As a Fullstack Developer , you will design, build, and maintain user interfaces and integrate with backend services in a modern microservices architecture. Sounds like your kind of challenge? #LI - Hybrid: 2x/week from the office in Kraków What you get in return Flexible cooperation model Hybrid work setup – 2x/week from the office in Kraków Collaborative team culture – work alongside experienced professionals eager to share knowledge Continuous development – access to training platforms and growth opportunities Comprehensive benefits – including Interpolska Health Care, Multisport card, Warta Insurance, and more High quality equipment – laptop and essential software provided
Requirements:
Strong experience with TypeScript, React, and Next.js . Solid understanding of modern frontend architecture (components, routing, state management). Experience delivering full-stack features and familiarity with backend systems (Java, Spring Boot). Proficiency working with REST APIs, authentication flows, and secure coding practices. Ability to write clean, maintainable code and contribute to design and review processes. Strong problem-solving skills and capability to investigate issues across UI and API layers. Nice to have Experience with React Query , Redux Toolkit, Axios, and form validation. Knowledge of Spring Security, JPA, and PostgreSQL. Familiarity with monitoring tools and cloud-native environments. Joining this project you’ll become part of Mindbox – a tech-driven company where consulting, engineering, and talent meet to build meaningful digital solutions. We’ll back you up every step of the way, accelerate your development, and ensure your skills make a difference.
Must have: TypeScript, React, Next.js, Java, Spring, Boot, REST API
Nice to have: UI, API, Redux, Spring Security, JPA, PostgreSQL
Daily tasks: - Designing and building web applications using TypeScript, React, and Next.js following best UI/UX practices.
– Delivering full-stack features – from browser interactions and state management to API integration.
– Working with and integrating Java 21 Spring Boot services.
– Ensuring high code quality, security, and maintainability through reviews and standards.
– Diagnosing and resolving performance, integration, and reliability issues across the stack.
– Collaborating closely with UX, Backend, Data, and Security teams within a global project.