GitLab

Staff Backend Engineer, Python, AI Engineering – Duo Chat

GitLab

full-time

Posted on:

Location Type: Remote

Location: Anywhere in North America

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Job Level

Lead

Tech Stack

GraphQLPostgresPythonRSpecRubyRuby on RailsSQL

About the role

  • Define the technical architecture and technical roadmap for the Duo Chat group, aligning backend execution with product direction and engineering priorities
  • Solve the highest-scope and most ambiguous backend problems, delivering secure, well-tested, performant solutions with minimal guidance
  • Integrate and extend generative AI capabilities in GitLab Duo Chat, including large language models (LLMs) and providers such as Google Vertex AI
  • Develop, ship, and maintain backend features across Python and Ruby on Rails services that power Duo Chat experiences across the GitLab platform
  • Design, implement, and review GraphQL application programming interface (API) contracts and supporting backend logic to ensure reliability, scalability, and clear frontend integrations
  • Improve observability, debugging workflows, and incident readiness by strengthening logging, tracing, and production troubleshooting practices
  • Drive code quality and long-term maintainability by setting internal standards, leading code reviews, and identifying and reducing technical debt
  • Mentor engineers across the team and participate in Tier 2 on-call rotations, contributing to root cause analysis and follow-up improvements to resiliency and testing (including RSpec)

Requirements

  • Production experience building and operating backend services in Python, including background jobs, APIs, and data models
  • Ability to define and evolve technical architecture by weighing trade-offs, selecting patterns and tools, and setting a clear technical direction for others to follow
  • Experience setting and driving a technical roadmap in partnership with product and engineering stakeholders
  • Proficiency designing and maintaining REST and/or GraphQL APIs with attention to scalability, maintainability, and backward compatibility
  • Hands-on experience integrating large language models into applications, including prompt design and building features powered by generative AI
  • Strong SQL skills and experience working with relational databases such as PostgreSQL, including efficient queries and data modeling
  • Experience mentoring engineers through code review, architectural guidance, and shared standards, and communicating complex technical decisions in a clear, async-first way
  • Comfort contributing in a mature codebase across Python and Ruby on Rails, with openness to learning and applying transferable skills from related technologies or domains
Benefits
  • 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
  • Home office support
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
PythonRuby on RailsGraphQLREST APIsSQLPostgreSQLlarge language modelsgenerative AIbackend servicesdata modeling
Soft Skills
mentoringcode reviewtechnical architecturecommunicationproblem-solvingcollaborationincident readinessdebuggingtechnical directionscalability