Join the Chat Engine backend team to develop Python-based agentic flows (LangGraph), the Flow Registry, and Duo Workflow Service, integrate chat capabilities with the GitLab Rails monolith (GraphQL), write tests and secure, high-scale code, and participate in on-call rotations. This is a remote role hiring in Canada and the United States.

Work on Gitaly to build and operate GitLab's Git data storage tier used by GitLab.com, self-managed customers, and GitLab Dedicated. Responsibilities include owning technical initiatives end-to-end, designing for distributed storage and high performance, partnering with cross-functional teams, improving engineering practices, and participating in on-call incident response. Required experience includes building and operating large-scale distributed or highly available systems and professional experience with Go or another backend/systems language; experience with Ruby, Git internals, gRPC, or Git server infrastructure is highly desirable.

Work primarily on backend engineering in Python (using LangChain and LangGraph) to develop secure, reliable, and scalable features across the Duo Workflow Service and the GitLab monolith. Collaborate with product, UX, frontend, and AI specialists; design GraphQL and REST APIs; improve automated testing; participate in Tier 2 on-call rotations; and contribute to observability and performance improvements. Remote role listed as Remote, United Kingdom.

GitLab is hiring a Senior Backend Engineer to design, implement, and evolve backend product capabilities for a global platform. Responsibilities include shipping moderate-to-complex backend features, defining backend standards (style, testing, APIs, operational readiness), diagnosing and preventing performance/reliability issues, participating in incident response, mentoring junior engineers, and integrating agentic AI into production. Helpful experience includes high-throughput distributed systems, containerized operations (Kubernetes), and deep database performance knowledge (PostgreSQL, ClickHouse).

GitLab is hiring a Senior Backend Engineer (remote; roles open for Poland and the United Kingdom). The role involves designing and evolving backend architecture and APIs, making architectural trade-offs, driving operational excellence (performance, reliability, incident response), mentoring junior engineers, and integrating agentic AI into production engineering. Helpful experience signals include high-throughput distributed systems, containerized production (e.g., Kubernetes), and deep database performance knowledge (PostgreSQL, ClickHouse).

Work as a senior backend engineer building the backend flows, APIs, data models, and evaluation systems for GitLab's intent-to-code agentic workflows. The role uses Ruby on Rails and Python with PostgreSQL, GraphQL/REST, LLM APIs and the GitLab Duo Agent Platform in an all-remote, asynchronous team; responsibilities include leading features end-to-end, mentoring, and collaborating with product and design partners toward a public beta.

The role designs, builds, and maintains backend services and APIs that support GitLab's go-to-market and growth platforms, contributing to frontend work when needed. It requires strong ownership of production backend systems, proficiency with Vue, Node, Go, and Ruby, experience in API design, data modeling, and database performance, and the ability to document architecture and mentor junior engineers.

Work on GitLab's Portfolio Experience team to design and implement backend and real-time features in the GitLab monolith, including GraphQL and REST APIs. Responsibilities include improving PostgreSQL performance at scale, building portfolio planning and work-item hierarchy capabilities, creating proofs of concept, maintaining automated test coverage, supporting safe rollouts with feature flags and observability, participating in on-call rotations, and mentoring other engineers and contributors. Role is remote and open to candidates in Canada and the United States.

Staff-level backend role responsible for setting technical direction and delivering autonomous and scheduled agents that operate on customer repositories, and improving the DAP onboarding experience. Requires deep hands-on Ruby/Rails experience, experience integrating LLMs into products, building agentic systems, and driving design and delivery of complex, high-scale systems in a distributed, async-first environment.

Join GitLab's DAP Repository Flows team to design and deliver end-to-end features for onboarding and repository/background flows on the Duo Agent Platform. The role focuses on building autonomous and scheduled agents that operate on customer codebases, integrating LLMs into products, and collaborating in a distributed, async-first environment. Strong hands-on Ruby and Ruby on Rails experience is required.

Remote Staff Backend Engineer (Canada or United States) for GitLab's Nonlinear Productivity team. Responsible for setting technical direction for agentic systems and orchestration, discovering and fixing SDLC friction, applying distributed systems judgment across GitLab's codebase, mentoring senior and mid-level engineers, and owning a greenfield technical foundation. Proficiency in Go, Rust, or Python and experience with LLM/agentic systems and distributed systems fundamentals are required. US base salary range listed: $152,800–$259,200 USD per year.

Work across GitLab’s codebase to scope and build agentic, LLM-driven systems that automate multi-step engineering workflows (e.g., code review and release steps). Require hands-on experience making agentic/LLM systems reliable in production, strong distributed systems knowledge, and proficiency in Go, Rust, or Python.

Join GitLab's Platform Readiness team to design and implement backend systems and agentic workflows (DAP) that evaluate platform readiness across Self-Managed, Dedicated, Dedicated for Government, and GitLab.com. Role requires 5+ years software engineering experience (2+ years backend/platform tooling) and strong proficiency in TypeScript/Node, Python, or Golang; responsibilities include schema design, CI integration, LLM/API integration, observability, and mentoring other engineers.

Join the Observability, Monitoring, and Integrations team within GitLab's Monetization org to design, build, and operate telemetry, monitoring, and automated anomaly detection for billing and usage pipelines across CustomersDot, Salesforce, and Zuora. Role emphasizes Prometheus/Grafana/OpenTelemetry, SLOs/SLIs, runbooks, incident handling, reconciliation, and exploring AI/ML techniques. Open at Senior and Staff levels. Remote role with a Bangalore location listed.

Work on the Duo Chat backend to design and build Flow Registry components using Python and LangGraph, integrate generative AI models and multi-agent orchestration, and implement GraphQL/REST APIs and monolith logic. Responsibilities include improving observability, test coverage (pytest, RSpec), performance and reliability, collaborating with product and UX, and participating in Tier 2 on-call rotations.

Work on GitLab's Deployment Environments team to evolve self-managed deployment guidance into a cloud-native model and improve production-like ephemeral environments. Responsibilities include building tooling and workflows for deployment environments, contributing to component requirements, topology and scaling guidance, and collaborating across application, infrastructure, and platform teams to keep deployment artifacts and environment contracts consistent.

Join GitLab's AI Events team to design and operate the trigger and event platform (largely within a Rails monolith) that connects GitLab and third-party events to AI-powered Duo Flows. The role focuses on Ruby/Rails backend development, integrating large language models into user-facing tools, architecting for high availability and throughput, participating in Tier 2/3 on-call rotations, and collaborating across product and engineering teams.

Join GitLab's Agent Observability team to develop, ship, and maintain backend features for agent interactions and observability across the GitLab monolith and AI gateway. Work with Ruby on Rails (APIs, background jobs, data models), design GraphQL/REST APIs, improve automated tests (RSpec), collaborate across product, frontend, and AI teams, and participate in Tier 2 on-call rotations.

Work on Analytics Instrumentation within Data Engineering & Monetization to build a unified data collection platform across GitLab SaaS and Self‑Managed environments. Responsibilities include designing and implementing backend services in Go, improving data emission/transit/quality, supporting usage billing, collaborating across teams, and mentoring engineers. US base salary range: $117,600–$252,000.

Work on GitLab Verify to improve performance, reliability, and usability for high-volume CI jobs; design and implement AI-powered agents and LLM-backed tooling integrated with the Duo Agent Platform; build instrumentation and observability; optimize database and job orchestration; and write secure, well-tested Ruby on Rails code while leading cross-functional technical work.