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Backend Engineer (Python),AI Engineering: Agent Foundations

gitlab·RemoteRemotemid

In short

  • →Desarrollas fundamentos backend en Python para agentes de IA que operan en todo el ciclo de vida del software.
  • →Trabajas con LangGraph, LangChain y APIs REST/GraphQL en un entorno de alta visibilidad dentro de GitLab.
  • →Eres parte clave en construir un sistema seguro, escalable y con calidad, integrando IA como producto central.

Proficiency in English required for collaboration with global teams.

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✓ Free to start✓ Runs in your browser✓ First dossier, no card✓ Ready in ~1 minute

In ~1 minute you get: who interviews you, the likely questions answered from your CV, and your CV tailored to this job. Your first dossier is free.

The questions they'll ask you

1. ¿Cómo has usado LangGraph o LangChain para construir flujos de agentes con estados complejos?

2. Describe cómo asegurarías la seguridad y confiabilidad de un endpoint de AI Gateway en producción.

3. ¿Cómo diseñarías pruebas automatizadas para evaluar el comportamiento de un agente en una cadena de flujo?

🔒 +7 more questions

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💵 USD · Remote · No visa

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What they ask for

  • ✓Experiencia con Python en entornos productivos
  • ✓Conocimiento avanzado de APIs REST y GraphQL
  • ✓Experiencia con pruebas automatizadas (pytest)
  • ✓Habilidades en arquitectura de backend escalable
  • ✓Colaboración estrecha con equipos multidisciplinarios
  • ✓Inmersión activa en IA generativa y flujos agenticos

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

PythonLangGraphLangChainRESTGraphQLpytestDockerCI/CDGitLabPostgreSQL

Who should you write to at gitlab?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more than 50% of the Fortune 100* trust GitLab to ship better, more secure software faster. 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. * Fortune 500® is a registered trademark of Fortune Media IP Limited, used under license. Claim based on GitLab data. Fortune 100 refers to the top 20% ranked companies in the 2025 Fortune 500 list, published in June 2025. Fortune and Fortune Media IP Limited are not affiliated with, and do not endorse products or services of GitLab. An overview of this role As an Intermediate Backend Engineer (Python) in GitLab's Agent Foundations stage, you'll go beyond using AI tools. You'll help build the foundations for GitLab's agentic AI experiences: the platform that lets AI agents work across the whole software delivery lifecycle, not just write code. That covers the reusable building blocks agents and flows are made from as well as our core harness, Duo Developer. Most of your work will be backend engineering in Python, using libraries such as LangGraph to build secure, reliable and scalable features in our AI Gateway. You'll also work across the stack where needed. You'll work closely with engineers across the stage and other AI Engineering teams. This is a high-visibility area where GitLab's core platform meets its AI strategy. What you'll do • Develop, ship and maintain features for the Duo Agent Platform in the Duo Workflow Service, the AI Gateway and, where needed, the GitLab monolith. Keep them secure, well-tested and performant. • Build and improve agentic flows and their reusable parts with LangChain and LangGraph, including the Flow Registry. • Work with Product Management, UX, frontend, backend and AI specialists to refine requirements and ship improvements in small iterations. • Design, implement and review APIs (including GraphQL and REST) and the backend logic behind them, with reliable, scalable and clear contracts for clients such as the GitLab monolith, IDE extensions and Duo CLI. • Improve and extend automated testing (pytest and other frameworks), including evaluations of agent and flow behavior, to strengthen quality and give developers faster feedback. • Share standards, patterns and learnings with other engineers to raise the bar for responsible AI integration and evidence-driven engineering. • Join Tier 2 on-call rotations to troubleshoot production issues, contribute to root cause analysis, and improve observability and resiliency. • Keep an eye on the competitive landscape to help keep GitLab's agent platform best-in-class as more work becomes agentic. What you'll bring • Experience building and maintaining production Python backend applications, including APIs, asynchronous or background processing, a

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