Top Engineering Jobs in Belfast

Build backend data frameworks and tooling that keep GitLab’s datastores scalable, healthy, and safe across SaaS and self-managed deployments. Develop retention and lifecycle controls, schema-change guardrails, bulk data removal tools, SQL traffic replay, and background operations frameworks. Collaborate across engineering and product teams, review database changes, improve performance and migration safety, document best practices, and participate in a tier 2 database on-call rotation.

Lead cross-functional Developer Experience initiatives across six teams, contributing hands-on backend code in Ruby and Go. Improve testing reliability, test coverage, CI/CD pipelines, logging standards, and development environments. Partner with engineering, platform, product, and infrastructure teams to identify friction, remove systemic bottlenecks, shape the Developer Experience Platform strategy, and foster continuous engineering improvement.

As a Forward Deployed Engineer, you will work on customer integrations with GitLab, designing and implementing solutions in complex enterprise environments while partnering with stakeholders to enhance adoption and reduce time to value.

Build and maintain secure, scalable Flow Registry features for GitLab’s agentic platform using Python, LangChain, and LangGraph. Design GraphQL and REST APIs, improve automated testing, optimize PostgreSQL-backed applications, and collaborate across backend, frontend, product, UX, and AI teams. Participate in Tier 2 on-call support, troubleshoot production issues, improve observability, and contribute to responsible AI integration in GitLab’s remote, asynchronous environment.

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.

Build tooling, workflows, and guidance to make GitLab easier to deploy, validate, and operate across cloud-native and self-managed environments. Evolve deployment guidance, improve production-like ephemeral environments, and maintain consistent deployment artifacts and environment contracts across development through production.

Lead backend work for GitLab's Spec-Driven Development: design and build APIs, data models, evaluation systems, and agent-driven workflows using Ruby on Rails and Python. Ship production services, benchmark LLM workflows, coordinate multi-person projects, mentor engineers, and collaborate with product and design in an all-remote, async environment.

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 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.