Senior Fullstack Java Engineer
Offer summary

(Summary generated by AI based on the full job description)

The project focuses on developing microservices and the Collateral platform using Java 17/21, Spring Boot 3.5, Spring 6, Spring Cloud, Angular 17, TypeScript. Responsibilities include designing high-quality code, creating automated tests, supporting platform operations, and mentoring junior developers. The role requires adopting DevOps and Agile practices (TDD, CI/CD) and delivering innovative solutions to complex technical and business challenges.

you can start ASAP

Senior Fullstack Java Engineer

Company: Mindbox Sp. z o.o.

from: 26 June 2026
to: 26 July 2026
30 000 - 33 000net (+ VAT)/ mth.B2B contract (full-time)
Offer parameters
level:senior
working mode:hybrid
location:Kraków, Lesser Poland
Kraków, Lesser Poland

Requirements

Expected technologies

Java
Spring Boot
PostgreSQL
JUnit
Cucumber

Optional technologies

Hystrix
Eureka
Zuul
TypeScript
Angular
HTML
Ansible
GitHub Copilot
MQ
Solace

Our requirements

  • Design, build, and maintain high-quality, efficient Java-based code.
  • Contribute to building new microservices and expanding the Collateral platform.
  • Adopt and champion DevOps and Agile best practices (TDD, CI/CD pipelines).
  • Create automated tests (unit, integration) and ensure quality across all stages.
  • Support platform operations: incident handling, monitoring, and problem resolution.
  • Mentor junior developers and lead by example.
  • Develop innovative solutions to complex technical and business challenges.
  • Note: Detailed project information will be shared during the recruitment process.

Optional

  • Knowledge of Spring Cloud components (Hystrix, Eureka, Zuul, etc.).
  • Experience with TypeScript, Angular 17, HTML5.
  • Familiarity with cloud platforms (AWS/GCP).
  • Automated deployment tools (Ansible).
  • Experience using AI-assisted tools (e.g., GitHub Copilot).
  • Messaging systems (MQ, Solace) and distributed cache solutions.

Your responsibilities

  • Design, build, and maintain high-quality, efficient Java-based code.
  • Contribute to building new microservices and expanding the Collateral platform.
  • Adopt and champion DevOps and Agile best practices (TDD, CI/CD pipelines).
  • Create automated tests (unit, integration) and ensure quality across all stages.
  • Support platform operations: incident handling, monitoring, and problem resolution.
  • Mentor junior developers and lead by example.
  • Develop innovative solutions to complex technical and business challenges.
  • Note: Detailed project information will be shared during the recruitment process.

About the project

Tech Stack
Java 17/21 | Spring Boot 3.5 | Spring 6 | Spring Cloud | Angular 17 | TypeScript | REST APIs | Ansible | PostgreSQL | Message Queues | CI/CD | Cloud

This is how we organize our work

This is how we work

agile

This is how we work on a project

  • TDD
  • Continuous Deployment
  • Continuous Integration
  • DevOps
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.
Company

What we offer

  • Flexible cooperation model – choose the form that suits you best (B2B, employment contract, etc.)
  • Hybrid work setup – hybrid; : 8 days per week from the Cracow office
  • 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.
Senior Fullstack Java Engineer
30k–33k zł / mth. (B2B)
I apply to:
Mindbox Sp. z o.o.
Kraków, Lesser Poland
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