Software Engineer

Expected, Java, Kotlin

Optional, C#, VBA, Google Cloud Platform, AWS, MongoDB, Oracle, PostgreSQL

Operating system, Windows

About the project, 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?

Your responsibilities, 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.

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.

Optional, 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.

This is how we work, at the client's site, agile

This is how we work on a project, Continuous Deployment, Continuous Integration

What we offer, 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

Benefits, sharing the costs of sports activities, private medical care, sharing the costs of professional training & courses, life insurance

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.

Mindbox Sp. z o.o., At Mindbox, we connect top IT talents with technology projects for leading enterprises across Europe., Our focus is on matching your skills with work that matters – projects that use modern tech stacks, solve real business challenges, and give you space to grow. By joining us, you’ll deliver technology solutions for well-known brands, supported by the Mindbox team that values knowledge-sharing and continuous development. We make sure you have the tools, flexibility, and guidance to do your best work – and to keep moving forward in your career.