Senior Fullstack Java Engineer

Project overview

At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.

Join a team that is reshaping the future of technology in global finance! If you want to work with cutting-edge tech, microservices, and cloud solutions – this is the opportunity for you!

We are part of a major initiative to build a brand-new Collateral platform based on microservices architecture and leveraging modern open-source technologies. Our technology solutions support Global Banking & Markets operations on a worldwide scale, delivering mission-critical platforms for collateral and margining across thousands of clients.

This is a multi-year transformation project from a monolithic system to a new microservices-based environment, with strong emphasis on Agile ways of working, DevOps practices, AI-assisted coding, CI/CD pipelines, and cloud technologies.

As a Senior Full Stack Java Developer, you will play a key role in both developing and maintaining services that power our collateral functions globally.

Sounds like your kind of challenge?

What you get in return

(B2B, employment contract, etc.)

• Flexible cooperation model – choose the form that suits you best
• Hybrid work setup – 2 days from the office in Cracow per week
• 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
• 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.

Requirements

• 8+ years of experience developing applications with Java (Java 17/21, Spring Boot).
• Proven track record in designing and building microservices.
• Strong knowledge of PostgreSQL and DevSecOps pipelines configuration.
• At least 3 years working in Agile and/or DevOps environments.
• Hands-on experience with TDD (JUnit, Cucumber) and CI/CD practices.
• Excellent communication skills and proactive mindset.
• Experience with large-scale end-to-end software projects.

Nice to have

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

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.

• 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.

Project details

• Start: flexible
• Location: Kraków, PL
• Rate: 188-206 EUR/h