Senior Software Engineer

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

Join Us as a Senior Software Engineer!

Are you passionate about building secure, scalable, and high-quality solutions? Do you enjoy working on modern cloud platforms and enabling developers with efficiency tools? This is your opportunity to make an impact at a global financial leader.

Sounds like your kind of challenge?

#LI- Hybrid – 6 days a month from the office in Kraków

What you'll be doing

Design, develop, and maintain cloud-based applications using Java and related technologies.
Ensure solutions align with organizational objectives and industry best practices.
Champion excellent coding practices, security principles, and maintainability across projects.
Implement comprehensive automated testing strategies (unit, integration, regression).
Collaborate across teams and approach technical challenges with an open, solution-oriented mindset.
Drive initiatives to enhance developer experience and efficiency.
Mentor and provide technical guidance to 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 – 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

Essentials:

Strong communication skills in English.
Solid software engineering fundamentals with a polyglot mindset.
Hands-on experience designing, building, and operating cloud workloads.
Familiarity with modern concurrency models and reactive programming.
Strong testing strategy and application of appropriate techniques.
High attention to detail and commitment to quality and security.
Java and Spring/Spring Boot

Desirable Skills:

Exposure to security engineering and API security at scale.
Performance testing experience.

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.

Ready to take the next step?

Submit your application! We look forward to reviewing your profile 😊

Know someone who might be a great fit?
Feel free to share this opportunity using the referral link: Mindbox Referrals System