Senior C++ Software Engineer - Belfast
At a Glance
- Staff-level C++ individual contributor role with a clear path to technical leadership
- Server-side engineering on global-scale transaction processing infrastructure
- Hybrid working with genuine flexibility
- 35 days holiday, private medical, pension matched to 5%, income protection, and more
- Engineering-led culture with real technical ownership and no bureaucracy
About the Company
Our client is an established, globally active technology business operating at the heart of merchant acquiring and transaction processing. Trusted by partners and merchants at scale, they build and run the infrastructure that keeps money moving. Engineering quality is taken seriously here: teams own problems end-to-end, from requirements through to production release, and technical judgement is respected at every level.
The Role
This is a hands-on, staff-level engineering position at the core of the platform. You will take technical ownership of the Processing Gateway and other server-side products, working in a close-knit team that applies Behavioural Driven Development and Continuous Delivery to ship high-quality software at pace. You will be the technical authority in your area: the person colleagues turn to for design direction, mentorship, and the experienced judgement that keeps complex projects on track. You will have genuine autonomy over how problems are solved and the support structure to do it well.
Key Responsibilities
- Lead the design and development of the Processing Gateway and related server-side systems, ensuring solutions are robust, scalable, and secure
- Mentor engineers, setting a high standard for how software projects are planned and executed
- Drive improvements to development processes, tooling, and automation
- Own delivery quality across the full software lifecycle, with focus on end-user observable and testable behaviours
- Collaborate with product and partner stakeholders to translate merchant needs into well-scoped technical solutions
- Identify critical path tasks, contribute to estimation and planning, and communicate status clearly
- Support deployment activities across test and production environments, from Requirements Analysis through to Release
- Model professional and technical standards that others in the team can build on
What You'll Need
Essential:
- 5+ years of commercial experience in server-side product development using C++ or another strongly typed OO language (C#, Java, etc.)
- Solid grounding in Object-Oriented Design, Design Patterns, and Refactoring
- Experience with relational database design and development
- Proven track record of delivering in Agile environments (Scrum or Kanban)
- Experience leading or technically guiding a development team
- Strong analytical and problem-solving skills with close attention to detail
- Experience building or consuming Web Services
- Eligible to work in the UK permanently and full-time
Why Apply?
- Competitive salary up to £80k
- Hybrid working with genuine flexibility to work from home
- 35 days holiday per year, with the option to buy additional days
- Private Medical Insurance and Health Cash Plan
- Group Personal Pension with employer matching up to 5%
- Income Protection and Life Insurance
- Cycle to Work Scheme and free on-site parking
- Office lunches, summer and Christmas parties, and regular social events
- Engineering-first culture where technical craft is valued and bureaucracy kept to a minimum
Next Steps
Connect with Phil Gamble directly on LinkedIn or Whatsapp for an informal, confidential conversation. All applications treated in the strictest confidence.
About Phil Gamble
Phil Gamble is a Director and Co-Founder of Ocho People, a Belfast-based specialist technology recruitment agency. With over 21 years of experience in tech recruitment and a background at Microsoft, Phil works with engineering teams across Northern Ireland, the UK, Dublin, and North America, placing technical talent in roles where they will genuinely thrive.
What People Say
"Phil has an exceptional ability to understand both the technical requirements and the cultural fit needed for a role. He found us a candidate we would never have found ourselves."
"Working with Phil at Ocho was a seamless experience from start to finish. He kept me informed throughout and was a trusted advisor, not just a recruiter."
"Phil genuinely understands the tech space. His candidates arrive well-briefed, well-matched, and ready to hit the ground running."