Principal Software Engineer
Location
Belfast, Northern Ireland
Job Type
remote
Category
Computer Occupations
Posted
June 07, 2026
Here it is:
Principal Platform Engineer Belfast (Hybrid) | Permanent | Confidential Client
If you're not based in Belfast or within commuting distance, this one's not for you.
Our client is a fast-scaling fintech building the next generation of payment infrastructure. They're merchant-first, engineering-led, and genuinely obsessive about outcomes over process. Small teams, real autonomy, hard problems.
They're hiring a Principal Platform Engineer to own the design and delivery of a suite of Model Context Protocol (MCP) servers - the trusted, governed gateway between AI agents and their core payments platform.
This is a hands-on principal role. You'll set technical direction and write production code, not just review it.
What you'll be doing:
- Owning the architecture and delivery of MCP servers that expose plat...