Top Engineering Jobs in Belfast

Support, plan, execute, and deliver engineering programmes, coordinating daily issues while building strong customer and functional relationships.

Lead design and delivery of secure, scalable enterprise software for private banking. Build reusable frameworks, integrate AI/ML, ensure operational stability, mentor engineering teams, and influence senior stakeholders to drive digital transformation.

Build and maintain backend AI capabilities for GitLab Duo Chat: design flow components and agentic flows in Python/LangGraph, integrate LLMs and multi-agent orchestration, implement and maintain APIs in the Rails monolith, improve observability and reliability, and participate in on-call rotations and cross-functional collaboration to deliver safe, scalable AI chat features.

Lead and manage an ML engineering team building post-origination credit models for repayment, collections, recovery, and loss mitigation. Define technical strategy, design and scale ML solutions, partner with product, engineering and risk, mentor engineers, and operationalize models to minimize loan loss and personalize collections.

Lead and grow a Europe-based full-stack engineering team building the Affirm App and direct-to-consumer products across international markets. Own the full software lifecycle, set technical roadmaps, hire and develop engineers, ensure reliability and scalability for millions of users, and drive cross-functional alignment with product, design, data, and business partners.

Lead a team that integrates third-party and modular features into GitLab's Dedicated SaaS platform. Ensure high availability (99.99%+), drive operational excellence, automate toil, own incident management, prioritize via data, recruit and develop engineers, and use AI to boost productivity and guide technical strategy.

Lead and grow a distributed Solutions Engineering team across the Nordics and BeNeLux to win complex enterprise deals. Hire, coach, and operate as a player-coach; drive technical discovery, solution design, demos, POVs, and executive presentations; run forecasting and SE operations; embed AI fluency and scale repeatable presales playbooks.

Design and deliver end-to-end features for DAP onboarding and repository/background flows. Build autonomous and scheduled agents that act on customer codebases, improve onboarding experience, collaborate on shared interfaces, review code and designs, and contribute to an async-first, distributed team's technical quality and ownership culture.

Lead a 0-to-1 pilot team to find and fix high-leverage SDLC friction, instrument system-level metrics (MRPM, pipeline success rate, latency), recruit and mentor four engineers, design and implement durable fixes, and drive adoption across engineering teams while reporting metric-driven outcomes to leadership.

Lead the full‑stack Switchboard team owning the Dedicated tenant management control panel. Hire and develop engineers, partner with Product and Design, set technical direction, ensure cross‑functional delivery, drive quality/security/performance improvements, and operate large‑scale distributed services with strong SLO and operational excellence.

Design, build, and operate the high-availability event and trigger system that links GitLab and third-party events to AI-powered Duo Flows. Work in GitLab's Rails monolith, scale for high throughput, influence architecture, add trigger types, collaborate cross-functionally, and participate in Tier 2/3 on-call rotations to troubleshoot production issues.

Manage distribution and automation engineering projects including charter development, budget and timeline tracking, supplier specifications and contracts, consultant engagement, coordination with internal teams, capital expenditure preparation, and oversight of construction/installation, testing, training, and startup. Role requires extensive travel (up to 75%).

Manage a technical team focused on Git and Git-related infrastructure, balancing upstream open-source work with GitLab priorities. Drive long-horizon scalability, performance, and architectural projects while fostering technical rigor, ownership, mentoring, and strong asynchronous communication across distributed teams.

Manage a cross-functional engineering team building GitLab Duo Chat's AI-powered features. Define requirements with product and UX, contribute to architecture for scalable agentic AI, drive delivery and roadmap execution, improve testing, observability, performance, and coach engineers to foster an inclusive, high-performing team.

Lead global software and controls engineering to define platform architecture, drive R&D and innovation (digital twins, AI/ML), standardize gateways and enterprise systems (SCADA/EPMS/BMS/DCIM), manage cross-functional delivery, and build a high-performing team ensuring scalable, secure, and supportable solutions across Vertiv's power and infrastructure business units.

Lead and grow a European engineering team focused on ownership and autonomy. Mentor engineers, influence product and technical specs, remain hands-on to debug and ship, and improve developer tooling, automation, and processes that increase team leverage.

Lead and grow architecture and development teams, shape and communicate multi-domain architectural strategies, drive business development and client relationships, coach team members, and deliver end-to-end solutions for complex, client-facing engagements in defence and related sectors.

Lead and grow a distributed engineering organization building customer-facing security capabilities: proprietary scanners, AI/ML detection engines, agentic remediation, vulnerability management, and security foundations. Set vision and roadmap, drive architecture and delivery, partner with product management, establish engineering standards, and represent the group in cross-functional and customer forums.

The Engineering Manager will lead a team to deliver high-quality software, balancing delivery and operational excellence while fostering team growth and adopting AI-native workflows.

Lead cost control for energy infrastructure projects: implement cost control systems, maintain PMB, map estimates to WBS/CBS, manage forecasts, accruals, change control, interrogate supply‑chain cost data, and provide stakeholder reporting and leadership to meet time, cost, and quality targets.

The Ubuntu Engineering Lead will oversee and mentor teams, drive the development and delivery of high-quality software, and contribute to community engagement while managing technical roadmaps and cultivating engineering talent.

Lead and grow multiple cross-functional Marketplace engineering teams, set technical direction and scaling practices, coach engineering managers, remove delivery friction, and partner with Product, Design and Platform to deliver reliable, scalable marketplace experiences that drive measurable business outcomes.

Lead architecture and delivery of a composable, API-first Core Commerce Platform powering checkout, payments, OMS, inventory availability, loyalty, and post-order experiences. Drive integration of packaged solutions (SFCC, Fluent Commerce), payments, social and agentic commerce, and AI-native capabilities. Own SLAs, reliability, security (PCI-DSS), roadmap, and engineering standards while building and leading high-performing, on-site platform teams.

Lead a global security engineering organisation (30–50 people) to embed secure-by-design across platform primitives (compute, storage, networking, identity). Drive systemic risk reduction, deliver high-leverage security platforms and frameworks, partner with CISO/CTO/product teams, manage engineering leaders and senior ICs, and foster an inclusive, engineering-first security culture.

Lead platform-level execution of software and AI/ML systems, oversee shared infrastructure, tooling, and frameworks, and drive DevOps, CI/CD, and cloud cost optimization. Mentor engineers, guide architecture and design for scalable high-performance platforms, manage stakeholder relationships, track metrics, and deliver complex cross-team initiatives. Foster innovation, automation, and continuous improvement to support AI-integrated solutions at scale.