At Mindbox we connect top IT talents with technology projects for leading enterprises across Europe.
We are looking for an experienced Back-End Developer to join a global technology team working on innovative trading platforms and solutions for complex financial products. In this position, you will work on high-performance systems that support trading, pricing, and lifecycle management processes. This is an opportunity to contribute to systems that are critical to financial markets, work within an Agile/DevOps culture, and collaborate with a diverse, international team.
Sounds like your kind of challenge?
#LI – Hybrid 2 days / week from the office in Kraków
What you’ll be doing
- Build and support the strategic Order Management System (OMS), pricing, and front-to-back booking/lifecycle platforms.
- Design and implement high-quality solutions, contributing to architecture and implementation decisions as part of a global development team.
- Work end-to-end across all delivery phases: requirements analysis → development → test automation → deployment → support.
- Partner closely with Sales/Trading desks and internal Technology teams, adjusting the level of detail to your audience.
- Participate in DevOps and production support (via rota) and proactively drive automation improvements.
- Help analyse and migrate existing Excel/VBA tools towards strategic stacks (Java/Kotlin/C#), where required.
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 –2 days / 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
Who we’re looking for
- Strong back-end development experience in Java (priority); Kotlin experience is highly valued.
- A background in developing large-scale, complex systems, including concurrent processing.
- Solid knowledge of design principles, SDLC, and a DevOps mindset (Agile, automation, quality).
- Excellent communication skills and ability to navigate a complex global environment.
- Comfortable in close collaboration with Sales/Trading desks and internal tech teams.
- Experience in trading systems development is a strong advantage.
Nice to have
- Exposure to C# (OMS back-end services).
- Familiarity with VBA (for migrating existing solutions).
- Knowledge of Equity Derivatives / Structured Products front-to-back (trade capture, pricing, lifecycle).
- Cloud exposure: GCP, AWS.
- Familiarity with data stores: MongoDB, Oracle, PostgreSQL.
- Experience with web services and event-driven architecture.
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
Katarzyna Sępkowska
