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Senior Java Developer

Hybrid in Poland: Krakow
Java& 9 others
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We are looking for a Senior Java Developer to build high-performance applications for Fixed Income Rates and Credit trading desks globally. You will deliver low-latency, scalable solutions, enhance existing functionality, and partner with the Fixed Income Rates and Credit markets technology team across regions. Apply now to help modernize trading workflows end to end.A 3-day-per-week presence in our office is required.

Responsibilities
  • Design and build scalable Java applications that address complex business challenges
  • Improve performance and maintainability by optimizing and refactoring existing components
  • Run UAT and deliver product demonstrations for key stakeholders
  • Convert business requirements into clear technical specifications
  • Collaborate with global IT teams to ensure smooth integration across systems
  • Support production releases and provide ongoing maintenance
Requirements
  • Proven 5+ years of professional Java development experience
  • Hands-on knowledge of low-latency and multi-threaded programming techniques
  • Solid skills in asynchronous programming, multithreading, and Java Core
  • Excellent problem-solving and analytical abilities
  • Strong communication skills with the ability to explain complex technical concepts to non-technical stakeholders
  • High willingness to learn and adapt to new technologies and market changes
  • English proficiency at B2 (Upper-Intermediate) level or higher
Nice to have
  • Knowledge of financial markets, especially Rates and Credit bonds/derivatives, and trading platforms such as Bloomberg and Tradeweb
  • Familiarity with messaging systems like Apache Kafka and data serialization formats such as AVRO
  • Exposure to cloud platforms such as Azure, AWS, or GCP
  • Background in financial services, trade execution, and the trade lifecycle