Top Engineering Jobs in Belfast

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

Lead GitLab’s Build team and roadmap, overseeing systems that convert source code into secure, verified, distributable artifacts. Own build platforms, dependency management, CI templates, supply-chain security, build consistency, observability, and self-service onboarding across delivery targets including Omnibus and CNG. Partner across teams to improve reliability, reduce coordination overhead, and support four-nines service objectives. Manage a distributed, high-performing engineering team and guide architecture, technical strategy, operational excellence, and complex project delivery.

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 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.

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.

Leads and develops software engineering teams delivering product discovery solutions. Responsibilities include coaching, performance management, recruitment, workload prioritization, product backlog collaboration, technical oversight, risk management, scalability and security reviews, and cross-functional stakeholder communication. The role also supports agile practices, team growth, and integrating AI capabilities into real-world software products.

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.

Hands-on lead responsible for designing, building, and scaling Base360.ai. Architect scalable systems, drive engineering standards, mentor engineers, implement AI/LLM workflows, build integrations (Airbnb, Stripe, Twilio), and automate operations to improve guest experience and operational efficiency.

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.

Lead the technical direction and hands-on development of Coder’s agentic engineering systems. Build production software in Go, with React and TypeScript as needed, and evolve agent execution, tool use, context management, streaming, and long-running workflows. Make architectural decisions, lead complex projects, improve reliability and performance, collaborate with Product and Design, and mentor engineers. The role requires distributed systems expertise, LLM and agentic workflow experience, and familiarity with AWS and cloud-native infrastructure.

Own and improve the company’s revenue operations technology, including HubSpot, data quality, governance, automation, AI agents, commission calculations, quota planning, forecasting, reporting, and support workflows. Build SQL-based solutions, integrations, and production Claude agents while partnering with Sales, Marketing, Finance, and leadership to remediate the operational foundation and create a costed plan for future improvements.

The Head of Software Engineering will lead and inspire teams, driving technical excellence, innovation, and agile practices while delivering complex systems and solutions for personalisation and customer-centric environments.

Lead and grow multiple engineering teams delivering personalization, search and recommendation systems. Set technical strategy, ensure reliability and SLI/SLOs, drive DevOps and CI/CD excellence, partner with Product and Data Science, hire and develop engineering leaders, and own product-group outcomes.