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

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.

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