Senior Java Developer (Global Investment Banking)

💼 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 www.antal.pl