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C++ Developer

Job in Belfast, County Antrim, BT1, Northern Ireland, UK
Listing for: Eligo Recruitment Ltd
Full Time position
Listed on 2026-02-28
Job specializations:
  • Software Development
    Software Engineer, DevOps
Job Description & How to Apply Below

Are you an experienced

C++ Developerbased in Belfastwho is now looking for a new challenge? If so, this is the role for you.

Contract day rate on application

Belfast

About the Role

You’ll be an experienced

C++ Developer and will be working on our core platform, which serves as a crucial component in the operations of top-tier companies. This role requires a skilled individual with a deep understanding of high-performance, low-latency applications, who can contribute effectively to a wider development team while demonstrating independence and ownership of key projects. In this role as a C++ Software Engineer, you will be responsible for designing, developing, and supporting high-throughput, low-latency applications.

You will collaborate with a wider team to develop new features and maintain existing systems, while optimising performance and troubleshooting issues in a Linux/Unix environment. Additionally, you will apply strong coding practices to ensure the delivery of high-quality, maintainable code.

Required Skills
  • At least 3 years commercial experience with

    C++ (11/14)
  • Experience tuning and troubleshooting low latency applications
  • Experience with multi-threaded systems
  • Familiarity with TCP/IP, UDP, Web-sockets, and other networking protocols
  • Hands‑on experience with debugging and performance analysis tools
  • Experience with build environments
Desirable Skills
  • Commercial experience with databases e.g. PostgreSQL
  • Familiarity with middleware/messaging solutions
  • Experience in Python or LUA
  • Familiarity with CI/CD tools and automated testing
  • Experience with Git version control

Eligo Recruitment is acting as an Employment Business in relation to this vacancy. Eligo is proud to be an equal opportunity employer dedicated to fostering diversity and creating an inclusive and equitable environment for employees and applicants. We actively celebrate and embrace differences, including but not limited to race, colour, religion, sex, sexual orientation, gender identity, national origin, veteran status, and disability.

We encourage applications from individuals of all backgrounds and experiences and all will be considered for employment without discrimination. At Eligo Recruitment diversity, equity and inclusion is integral to achieving our mission to ensure every workplace reflects the richness of human diversity.

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