Senior Java Developer / Tech Lead

Link Group

Warsaw, Poland • 12m ago • On-site

Senior

On-site

40,000 - 52,000 PLN/yr

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Quick Facts

  • Role: Senior Java Developer / Technical Lead

Description

Lead the development of high-performance, low-latency components in a trading environment. Own delivery of key engineering initiatives across the full lifecycle, contribute to architectural decisions, and guide other engineers through knowledge sharing and hands-on problem solving. Continuously improve system performance, scalability, and reliability while helping modernize and simplify existing platforms.

Responsibilities

  • Develop and enhance high-performance components in a low-latency trading environment
  • Drive end-to-end delivery from concept and design to deployment and support
  • Take ownership of complex technical areas; work cross-functionally with engineering and business stakeholders
  • Contribute to architectural decisions and evolve engineering standards and best practices
  • Support and guide other engineers through knowledge sharing, collaboration, and hands-on problem solving
  • Participate in design discussions and code reviews to ensure high-quality solutions
  • Continuously improve system performance, scalability, and reliability
  • Translate business requirements into technical solutions
  • Contribute to modernization and simplification of existing systems and platforms

Requirements

  • 8+ years of software development experience with a strong focus on Java
  • Solid understanding of concurrent and multithreaded programming
  • Experience building distributed systems
  • Proven ability to deliver complex technical solutions
  • Experience working in collaborative, cross-functional environments
  • Strong communication skills
  • Ability to work effectively in dynamic, fast-paced environments
  • Familiarity with modern development tools, including AI-supported solutions
  • Exposure to or willingness to work with technologies beyond Java
  • Experience building financial/trading systems is a big plus

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PLN 40,000 – PLN 52,000/year

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