Software Engineer

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 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
Requirements:
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.
Must have: Backend, Java, Kotlin, SDLC, DevOps
Nice to have: Communication skills, C#, VBA, Cloud, GCP, AWS, MongoDB, Oracle, PostgreSQL, Web Services
Daily tasks: - 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.