Bytes Software Services Jobs in Belfast

Backend / Cloud Engineer ?? Remote - Northern Ireland ?? Salary negotiable DOE ?? Full-time, Permanent At a Glance Mid-level backend/cloud role at a fast-moving US FinTech scale-up Go / Python / GCP stack Fully remote across Northern Ireland Salary negotiable depending on experience Build real product - not tickets on a backlog About the Company...

MCS Group is looking for an experienced Java Engineer for a contract position in Belfast. This Contract Java Engineer will work as part of a high-performing technology team, delivering large-scale, data-intensive applications within a fast-paced financial environment. This contract offers the opportunity to work on enterprise-level platforms, contr...

Senior C++ Software EngineerStaff-level individual C++ contributor with a clear path to technical leadership C++ server-side engineering handling global transaction volumes Hybrid working with genuine flexibility to work from home 35 days holiday, private medical, pension matched to 5%, and more An engineering-led environment, free of bureaucracy, ...

Senior Java Developer | Belfast | £65,000-£80,000Senior back-end developer role within a newly established Belfast trading technology hub Java-focused; real-time exchange connectivity, event-driven architecture, distributed systems Small founding team of 4 engineers; site lead already in place (placed by Ocho) £65,000-£80,000 | Belfast based Ground...

Staff Software Engineer with C++ Location: Belfast | Hybrid At a Glance Staff-level C++ engineering role focused on high-level, object-oriented development rather than low-level systems programming Design and development of a high-volume payment processing gateway Technical leadership: mentoring, driving best practice, shaping the roadmap Coll...

Principal Python Engineer Northern Ireland ( Remote ) Permanent Full-time Engineering The Opportunity Our client builds software that operates at the sharp end of energy markets ,trading platforms, monitoring systems, and optimisation tools running across the UK, Ireland, and Europe. The infrastructure is complex, the data volumes are serious,...

Python Developer (FinTech) - Belfast (Hybrid) - Contract We are looking for an experienced Python Developer with a strong FinTech or Financial Services background to join a Belfast-based team on an initial 3-6 month contract . Location: Belfast (Hybrid)Contract: 3-6 MonthsDaily Rate Essential Skills5+ years of commercial Python development e...

Principal Software Architect / Engineering Manager Belfast | Hybrid | Permanent | Competitive + Leadership Bonus This one is different. Most architecture roles are advisory. This one has teeth. Our client is on a genuine platform transformation journey, moving away from complex legacy systems toward a modern, cloud-native architecture,and they n...

Senior Frontend Engineer - TypeScript / React / AWS At a Glance Senior Frontend Engineer role on a modern, cloud-native product platform TypeScript / React ecosystem with AWS integration and serverless architecture Hybrid working - Belfast Real ownership of UI architecture, not just shipping screens About the Company Our client is a fast-moving...

Staff .NET Developer / Principal Engineer - Cloud & Platform Architecture At a Glance Principal / Staff-level engineering role leading a full platform transformation Deep .NET / C# stack with modern cloud-native architecture (Azure / AWS) Hybrid working - Belfast city centre office Real ownership over technical direction, this role has teeth Abo...