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Offer summary
(Summary generated by AI based on the full job description)
The project builds a centralized data access product for a bank, focused on Data Fabric within a modern microservices architecture. The technical stack includes TypeScript, React, Next.js with integration to Java 21, Spring Boot. Responsibilities cover designing and implementing UIs, delivering full‑stack features from browser state to APIs, backend integration, ensuring code quality and security, and diagnosing performance and reliability issues. The role offers a hybrid setup (2 days/week in Kraków), benefits including private healthcare, Multisport and insurance, and continuous development support.
from: 28 September 2026
to: 28 October 2026
28 000 - 31 000 złnet (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland
Requirements
Expected technologies
TypeScript
React
Next.js
Java
Spring Boot
Optional technologies
React Query
Redux Toolkit
Axios
PostgreSQL
Operating system
Linux
Our 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.
Optional
- 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.
Your responsibilities
- 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.
- Note: Detailed project information will be shared during the recruitment process.
About the project
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?
This is how we organize our work
This is how we work
at the client's siteagilekanban
This is how we work on a project
- Continuous Deployment
- Continuous Integration
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.
What we offer
- 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
Benefits
- sharing the costs of sports activities
- private medical care
- sharing the costs of professional training & courses
- life insurance
Mindbox Sp. z o.o.
At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe.
Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.
Full Stack Developer
28k–31k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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