C++ Developer

Eligo Recruitment; Belfast; Hybrid; GBP 45,000 - 65,000; Full time

Job summary

A recruitment agency in Belfast is looking for an experienced C++ Developer to join their team. This role involves designing and supporting applications critical to the operations of top-tier companies. Candidates should have at least 3 years of experience in C++, particularly with low-latency and multi-threaded systems. The company offers an attractive salary, bonuses, and flexible working conditions.

Benefits

Attractive salary

Bonuses

Pension

Private healthcare

Flexible working

Qualifications

• At least 3 years commercial experience with C++.
• Experience tuning and troubleshooting low latency applications.
• Hands-on experience with debugging and performance analysis tools.

Responsibilities

• Design and develop high-throughput, low-latency applications.
• Collaborate to develop new features and maintain existing systems.
• Optimise performance and troubleshoot issues in a Linux / Unix environment.

Skills

C++ (11/14)

Tuning low latency applications

Multi-threaded systems

Networking protocols

Debugging tools

Build environments

Tools

PostgreSQL

Python

LUA

CI/CD tools

Git

Job description

Are you an experienced C++ Developer based in Belfast who is now looking for a new challenge? If so, this is the role for you.

BENEFITS

Attractive salary plus bonuses, pension, private healthcare, flexible working (hybrid, 3 days in office in Belfast City centre, 2 days WFH), amazing opportunities for career progression plus much more

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.