Senior Java Core Developer


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Cluj-Napoca (ROU)

What you'll do

  • Design and develop a high-performance and high-availability trading platform including order management, broker/exchange FIX gateways, processing high volumes of ticking data and post-trade processing.
  • Propose solutions to complex problems related to the event-driven system architecture.
  • Lead software design, code reviews, and technical meetings.
  • Performance Optimization: Continuously analyze and optimize the HFT system's performance, latency, and throughput. Identify bottlenecks and implement enhancements to maintain a competitive edge in the fast-paced trading landscape.
  • System Monitoring and Maintenance: Monitor the HFT system's health, stability, and uptime. Respond to and troubleshoot issues promptly to minimize downtime and maintain seamless operation.
  • Risk Management: Collaborate with risk management teams to develop and implement risk controls, position monitoring, and anomaly detection mechanisms.
  • Who you are

    • Experienced Core Java JDK 11+ Developer (5+ years experience)
    • Thorough knowledge of Java programming concepts and JVM internals, tuning for low-latency, GC-free real-time operation
    • Strong knowledge of object oriented programming, data structures, algorithms and design patterns
    • Strong communication skills and the ability to work in a team
    • Experience in data driven performance analysis and optimizations (Big Data and enterprise wide applications)
    • technology stack and paradigms such as: Core Java, event-driven architecture, event sourcing, distributed database and optimization (Singlestore)
    • Linux systems programming experience including memory management, concurrent programming infrastructure, and the networking stack (it’s a nice to have)
    • FIX Protocol (4.2/4.4)
    • MOM (message oriented middleware) – Kafka, Tibco, Solace
    • Working experience with highly available, fault tolerance systems and message loss prevention strategies

    We offer

    • Competitive working conditions
    • Full time employment
    • Flexible working schedule and possibility to work from home
    • Personal and professional career development, and payed certifications
    • Private health insurance
    • Innovative projects with prestigious international customers
    • Team building activities to support team oriented culture
    • Friendly team of helpful colleagues where knowledge sharing is everyday routine
    • Coffee, Refreshments and Fruits