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The same principles built into our products are reflected in how our team works: we embrace AI as a core productivity multiplier, with all team members expected to incorporate AI into their daily workflows to drive efficiency, innovation, and impact. GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Our high-performance culture is driven by our values and continuous knowledge exchange, enabling our team members to reach their full potential while collaborating with industry leaders to solve complex problems. Co-create the future with us as we build technology that transforms how the world develops software.
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As a Senior Backend Engineer on the Flow Components functional team, you'll help build GitLab's Flow Registry, which provides reusable primitives for agentic flows built on the GitLab Duo Agent Platform. Your primary focus will be backend engineering in Python, using LangChain and LangGraph to develop secure, reliable, and scalable capabilities across the Duo Workflow Service and the GitLab monolith. You'll also work across the stack when needed, bringing familiarity with JavaScript and frontend development to support the official GitLab Duo Agent Platform client, Duo CLI, and advocate for a strong user experience.
What you’ll do- Develop, ship, and maintain secure, well-tested, and performant Flow Registry features across the Duo Workflow Service and the GitLab monolith backend.
- Collaborate with Product Management, User Experience, frontend, backend, and artificial intelligence specialists to refine requirements and deliver iterative product improvements.
- Design, implement, and review GraphQL and REST application programming interfaces, related backend logic, and clear contracts with frontend clients.
- Improve automated testing with RSpec and other frameworks to strengthen quality, reliability, and developer feedback loops.
- Share standards, patterns, and lessons with other engineers to support responsible artificial intelligence integration and evidence-driven engineering.
- Participate in Tier 2 on-call rotations, troubleshoot production issues, contribute to root cause analysis, and improve observability and resiliency.
- Monitor the competitive landscape and help keep GitLab's Flow Registry primitives and capabilities competitive within the agentic platform market.
- Experience building and maintaining production Python applications with LangChain and LangGraph, including background jobs, application programming interfaces, and data models.
- Experience designing and shipping artificial intelligence-powered backend features and integrations, with sound judgment about large language model limitations and responsible production use.
- Proficiency in designing or extending REST and GraphQL application programming interfaces with attention to scalability, maintainability, and backward compatibility.
- Strong SQL skills and familiarity with relational databases such as PostgreSQL, including efficient queries and data modeling.
- Comfort working across the stack in a mature codebase and addressing performance bottlenecks at the application and, when relevant, infrastructure layers.
- Familiarity with JavaScript and Vue frontend development, with an understanding of user experience principles.
- Clear written and verbal communication skills, including experience writing technical proposals and documentation and collaborating in a remote, asynchronous, cross-functional environment.
- Openness to learning and applying transferable skills from related technologies or domains.
We work across backend, frontend, User Experience, Product Management, and artificial intelligence disciplines to improve capabilities such as Memory and Duo Developer and support clients including Duo CLI. We collaborate in GitLab's remote, asynchronous environment to build reliable components that help people create and use agentic workflows.
- Benefits to support your health, finances, and well-being
- Flexible Paid Time Off
- Team Member Resource Groups
- Equity Compensation & Employee Stock Purchase Plan
- Growth and Development Fund
- Parental Leave
Please note that we welcome interest from candidates with varying levels of experience; many successful candidates do not meet every single requirement. Additionally, studies have shown that people from underrepresented groups are less likely to apply to a job unless they meet every single qualification. If you're excited about this role, please apply and allow our recruiters to assess your application.
Country Hiring Guidelines: GitLab hires new team members in countries around the world. All of our roles are remote, however some roles may carry specific location-based eligibility requirements. Our Talent Acquisition team can help answer any questions about location after starting the recruiting process.
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GitLab is proud to be an equal opportunity workplace and is an affirmative action employer. GitLab’s policies and practices relating to recruitment, employment, career development and advancement, promotion, and retirement are based solely on merit, regardless of race, color, religion, ancestry, sex (including pregnancy, lactation, sexual orientation, gender identity, or gender expression), national origin, age, citizenship, marital status, mental or physical disability, genetic information (including family medical history), discharge status from the military, protected veteran status (which includes disabled veterans, recently separated veterans, active duty wartime or campaign badge veterans, and Armed Forces service medal veterans), or any other basis protected by law. GitLab will not tolerate discrimination or harassment based on any of these characteristics. See also GitLab’s EEO Policy and EEO is the Law. If you have a disability or special need that requires accommodation, please let us know during the recruiting process.
Skills Required
- Experience building and maintaining production Python applications, including background jobs, APIs, and data models
- Production experience with LangChain and LangGraph
- Experience designing and shipping AI-powered backend features and integrations
- Understanding of large language model limitations and responsible production use
- Proficiency designing or extending REST and GraphQL APIs with scalability, maintainability, and backward compatibility
- Strong SQL skills and familiarity with relational databases such as PostgreSQL
- Experience with data modeling and efficient queries
- Ability to work across the stack in a mature codebase and address application or infrastructure performance bottlenecks
- Familiarity with JavaScript and Vue frontend development
- Understanding of user experience principles
- Strong written and verbal communication skills
- Experience writing technical proposals and documentation
- Experience collaborating in a remote, asynchronous, cross-functional environment
- Openness to learning and applying transferable skills from related technologies or domains
GitLab Compensation & Benefits Highlights
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Healthcare Strength — Medical coverage offers multiple U.S. plan options (Cigna in most states and Kaiser in CA/HI) alongside dental, vision, and an Employee Assistance Program. Handbook materials also note HSA availability with company contributions when enrolled in the HDHP.
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Parental & Family Support — Paid parental leave is documented at 16 weeks, with U.S. leave administration supported by Tilt as of February 2, 2026. Caregiving and backup care resources are also referenced for many roles and locations.
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Fair & Transparent Compensation — Compensation practices are described in a public handbook with standardized, market‑based frameworks, annual reviews, equity refreshes, and clear ranges visible internally as of May 2026. This documentation helps candidates and employees see current specifics and understand how pay is set.
GitLab Insights
What We Do
GitLab is the Intelligent Orchestration Platform where software teams and their AI agents stay in flow to amplify their capacity for innovation. Together, they automate repetitive tasks to plan, build, secure, test, deploy and maintain software. With GitLab, software teams spend less time on coordination overhead and more time on the next big idea. What started in 2011 as an open source project to help one team of programmers collaborate is now the intelligent orchestration platform millions of people use to deliver software faster, more efficiently, while strengthening security and compliance. Since the beginning, we've been firm believers in remote work, open source, DevSecOps, and iteration. We get up and log on in the morning to work alongside the GitLab community to deliver new innovations every month that help teams and their AI agents ship great code faster.
Why Work With Us
GitLab is where careers accelerate, innovation flourishes, and every voice is valued. Co-create the future with us as we build technology that transforms how the world develops software.
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