Senior Java Developer with Multithreading

Sofia, Bulgaria

Striving for excellence is in our DNA. Since 1993, we have been helping the world’s leading companies imagine, design, engineer, and deliver software and digital experiences that change the world. We are more than just specialists, we are experts.


Currently we are looking for a Senior Java Developer with Multithreading for our Sofia office to make the team even stronger.

Our customer is the second-largest British bank, one of the largest commercial banks in Scotland that provides banking facilities throughout the UK and Ireland. The project is about Algorithmic/Robotic Trading, a part of the Financial Services domain. The applications include implementing a Gamma Hedging trading application.


  • 4+ years of experience in software development;
  • Deep knowledge of and proven experience in:
    • Java, J2SE, JNI, JMS;
    • Multithreading, Low Latency, Concurrency;
    • Linux & Networking;
    • Design Patterns;
    • Spring, Hibernate;
    • Build Tools.
  • Development experience in large scale, high volume, multi-threaded and highly distributed systems;
  • Work experience on projects with High Performance / Low Latency aspects;
  • Developing and analyzing real time systems;
  • Experience in Scrum;
  • Team player, self-motivated, well-organized, strong communicator, driven and committed;
  • Experience working in a dynamic environment with strict timescales and often with shifting priorities;
  • Extensive exposure to high pressure, high transaction volume environment;
  • Naturally takes into account the control and compliance requirement in everything he/she delivers;
  • Experience working with quantitative models;
  • Experience working on the complete Software Development Lifecycle;
  • Fluency in English and good English writing skills to liaise with other teams, support staff, end users, and business management people;
  • Open for traveling.

Nice to have

  • Agile Development Experience;
  • Testing experience (TDD/ATDD);
  • Front to back awareness of processes within an investment bank (from sales to back office);
  • Continuous Integration (Jenkins, Bamboo);
  • Rule engine knowledge (e.g. Drools);
  • IDE: IntelliJ Idea / Eclipse / Sublime;
  • VCS: Git;
  • Oracle, PL/SQL;
  • NoSQL, KDB, cloud development experience;
  • Experience with big data.

We offer

  • Attractive salary, additional health and dental insurance as long as other social benefits;
  • Personal development program that will allow people to be valued for their strengths;
  • Wide range of professional trainings and workshops;
  • Broad projects variety and possible mobility between projects over the time;
  • Experience exchange with colleagues all around the world;
  • Work-life balance and flexible schedule, team buildings and sport opportunities;
  • Modern office in the Infinity Tower business center.


EPAMers appreciate our flexible work environment, great benefits, and opportunities to thrive.


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