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Senior Software Developer (Java, network programming)

LSEG

Senior

Listed on LSEG’s own careers site. You apply with them directly — we never stand between you and the employer.

What this role is

This role develops real-time financial data libraries in Java for a major financial infrastructure company, requiring strong network programming skills and the ability to work independently on high-quality software solutions. It suits experienced Java engineers with a background in low-level networking who thrive in collaborative teams using modern development practices.

Our summary, not LSEG’s wording. The full posting is on their site.

What they ask for

Required

  • Bachelor's degree in Computer Science, Computer Engineering or equivalent
  • Senior-level software development experience primarily in Java or C++
  • Proficiency in Java
  • Low-level networking communication experience
  • Socket programming experience
  • TCP/IP and UDP multicast protocol experience
  • Source control system knowledge (GitLab, GitHub, or similar)
  • Jira experience
  • Agile methodology knowledge
  • Familiarity with Linux and Windows operating systems
  • Strong organizational and analytical skills
  • Problem-solving ability
  • Ability to work independently

Nice to have

  • Master's degree in Computer Science or related field
  • CI/CD pipeline and scripting knowledge
  • Additional programming languages (Python, C#, Ruby, R, Go, Node.js, Perl)
  • Large-scale deployment knowledge (Kubernetes, Docker, Terraform)
  • AI exposure for development optimization

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