11 of 11 Principal Engineer Jobs in Northern Ireland

Principal DevOps Engineer (Senior Individual Contributor) FinTech | Reports to VP DevOps Our FinTech client is looking for a Principal DevOps Engineer to play a pivotal role in shaping how their engineering teams build, deploy and operate software at scale. This is the most senior individual contributor … developer self-service and platform automation Able to produce clear architecture documentation, RFCs and technical design decisions This role would suit a staff/principal level engineer who enjoys solving systemic engineering problems, designing scalable platforms and influencing how entire engineering organisations deliver software. Please apply ...

work as one to achieve our vision of being the world's most trusted, innovative, liquidity and data solutions specialist. Role Overview The Principal UI Engineer serves as a senior technical authority within the UI engineering discipline, providing leadership across design, architecture, standards, and delivery. The role … focused on building scalable, high-performance UI systems while mentoring engineers and influencing best practices across multiple teams. Operating within agile teams, the Principal UI Engineer sets engineering direction, supports architectural decision-making, and ensures the delivery of high-quality, robust UI solutions. Role Responsibilities Lead the design ...

Principal Java Engineer Up to £120,000 Candidates must be based in Belfast All applications not based in Belfast will be disregarded Do you enjoy shaping the technical direction of complex, large-scale systems - and doing it with modern Java at the highest level? My client is looking … Principal Java Engineer to take a lead role in defining architecture, driving engineering standards and delivering systems that matter. This isn't a heads-down coding role - it's for someone who can operate at the intersection of deep technical expertise and strategic thinking, and who wants ...

Principal React Engineer Remote (UK) | Permanent At a Glance Role:Principal React Engineer Salary:£100,000 £120,000 Location:Remote (Northern Ireland based) Employment type:Permanent, full-time Stack:React, TypeScript, Storybook, Jest, RTL, Cypress The Role This is a frontend leadership position for someone … data-heavy or complex product environments Background in product-led organisations Why Apply This is a rare opportunity to step into a genuine Principal-level role with real ownership and real influence. The feedback from engineers placed within this team has been consistently strong, and the breadth of impact ...

Principal React Engineer Remote (UK) | Permanent At a Glance Role:Principal React Engineer Salary:£100,000 £120,000 Location:Remote (Northern Ireland based) Employment type:Permanent, full-time Stack:React, TypeScript, Storybook, Jest, RTL, Cypress The Role This is a frontend leadership position for someone … data-heavy or complex product environments Background in product-led organisations Why Apply This is a rare opportunity to step into a genuine Principal-level role with real ownership and real influence. The feedback from engineers placed within this team has been consistently strong, and the breadth of impact ...

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 … engineering standards are high. They're now looking for a Principal Python Engineer to take ownership of platform architecture and set the technical direction for the teams delivering it. This is a hands-on leadership role. You'll be shaping how systems are built, not just reviewing ...

Principal Platform Engineer FULLY REMOTE ACROSS UK AND IRELAND 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 ...

Principal UI Engineer Belfast (Hybrid from Belfast0 My client is the world's largest inter-dealer broker, connecting financial institutions across fixed income, FX, equities and commodities. Their Belfast engineering hub sits within a global technology function working on platforms that underpin some of the most complex financial … markets on the planet. This is serious engineering at real scale. They are looking for a Principal UI Engineer to sit at the top of their front-end stack - someone who sets direction, owns architecture and makes the engineers around them better. They are open to strong Senior ...

leadership makes decisions. As the business grows, the engineering work behind this data is becoming more complex, not less. We're looking for a Principal Data Engineer to bring permanent senior engineering depth into this domain. You'll be a hands-on senior IC, leading the design ...

product portfolio grows through development and acquisition, the engineering work behind this data is becoming more complex, not less. We're looking for a Principal Data Engineer to bring permanent senior engineering depth into this domain. You'll be a hands-on senior IC, leading the design ...

Principle Java Engineer Salary to £70k-£90k + company options scheme ( for £90k you will have to be their Unicorn candidate i.e. having hands on experience of working with Camunda + having SC clearance already in place + being eDV eligible. They will consider remote workers ...