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Urgent! Senior Java Developer (Global Investment Banking) Job Opening In Kraków – Now Hiring Antal Sp. z o.o.

Senior Java Developer (Global Investment Banking)



Job description

💼 Java Developer


Global Investment Banking | Full time  |  Krakow (hybrid model 6x office/per month)


Join a global technology team building a cutting-edge in-house trading platform for a major international investment banking group.

This is a unique opportunity to work on high-performance systems that support Foreign Exchange trading at scale, including pricing, booking, risk management, and valuations.


 


🌍 About the team


You’ll be part of a global engineering group of 170+ people across key financial hubs including New York, Toronto, London, Hong Kong, and Krakow.

Our team is organized into small, agile pods that own their products end-to-end, from development to production.


 


🛠 What you'll do:




  • Develop clean, performant Java code (Java 17+)




  • Build and maintain a microservice-based platform




  • Ensure production stability and observability of services




  • Work closely with FX traders and product owners to gather and deliver requirements




  • Own your services: from code, through testing, to deployment and support




  • Contribute to continuous integration & deployment pipelines




🚀 What we offer:




  • A real opportunity to work on a mission-critical trading platform




  • Close collaboration with the business side (FX traders, product owners)




  • Modern, agile environment with strong DevOps culture




  • Small, focused teams (4–8 people) working in incremental delivery




🧠 What we’re looking for:




  • Strong experience in Java 17+ (including concurrency, lambdas, low-latency practices)




  • Familiarity with TDD, CI/CD, unit/integration testing (e.g. JUnit)




  • Experience with REST APIs and messaging systems




  • Understanding of DevOps practices and automation-first mindset




  • Solid knowledge of data structures and system design




  • Background in agile development environments




  • Passion for technology and problem-solving




  • English proficiency (min.

    B2 level)



To learn more about Antal, please visit


 


Required Skill Profession

Computer Occupations



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