At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.
We’re building enterprise-grade platforms and security services that define technology standards across HSBC. As a Senior Software Engineer, you will be working in a hands-on development role, designing and delivering secure, cloud-native applications and libraries that drive cross-cutting capabilities.
Your contributions will set engineering benchmarks within the bank, ensuring excellence in development, security, and scalability.
Sounds like your kind of challenge?
What you’ll be doing
- Design, develop, and maintain cloud-based applications primarily in Java
- Review and validate solutions for alignment with internal engineering and security standards
- Champion high standards in software quality, security, and maintainability
- Implement comprehensive automated testing (unit, integration, regression) for all changes
- Collaborate openly, solve complex problems, and improve developer productivity
- Contribute to efficiency improvements and enhance the developer experience
- Support knowledge sharing and mentor less experienced engineers
Note: Detailed project information will be shared during the recruitment process.
What you get in return
- Flexible cooperation model – choose the form that suits you best
(B2B, employment contract, etc.) - Hybrid work setup – remote days available depending on the client’s arrangements – 6 days a month 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
Who we’re looking for
- Strong software engineering fundamentals with a polyglot mindset
- Hands-on development experience with Java (Spring/Spring Boot preferred)
- Knowledge of functional, asynchronous, and non-blocking programming models
- Familiarity with modern concurrency models and reactive programming approaches
- Experience with CI/CD pipelines, version control, and best coding practices
- Sound understanding of secure engineering practices
- Excellent communication skills with business-level English
- Experience in cloud environments (AWS/Azure/GCP) and working with distributed systems
- Exposure to security-focused tools and experience securing high-volume APIs
- Familiarity with API security concepts: authentication, authorization, and threat mitigation
- Strong background in test architecture, including end-to-end and performance testing
- Understanding of performance optimization, profiling, and automated testing frameworks
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.
I will handle your recruitment
Anna Rodak-Bucka
