MCS Group
Principal Software Engineer
Senior hands-on individual contributor designing, building and owning scalable enterprise software — backend services, APIs and some frontend — for a high-growth technology organisation entering Northern Ireland, using AI-assisted dev tools (Cursor, Claude Code, Copilot). Nearly fully remote; salary up to £110,000.
Principal Product Designer - Belfast
Principal Product Designer owning UX end-to-end for a complex, data-heavy enterprise product line at a growing Northern Ireland technology business. Hands-on individual-contributor role working with product and engineering; experience with applied AI, knowledge graphs, or security-focused B2B software is valued. Up to £90,000 with four-day working weeks.
Principal Data Engineer
Staff Data Engineer - Belfast/Hybrid We're looking for an exceptional Staff Data Engineer to join our data engineering organisation and operate at Principal-level impact . This is a senior technical leadership role…