Senior Ruby Backend Engineer – AI Integrations (Remote)

gitlab; United States; Remote; USD 140,000 - 210,000; Full time

Benefits offered by this job

Flexible PTO

Equity & ESPP

Growth & Development Fund

Parental Leave

ERGs

Health benefits

Job summary

GitLab is seeking a Senior Backend Engineer on the External Agents team to design and build integrations that bring GitLab agents into tools like Slack and connect external AI solutions with GitLab. You will own complex features, shape architectural patterns, and collaborate across AI engineering teams in a high-visibility area that spans the core platform and AI strategy.

You will work on REST and GraphQL APIs, optimize performance, and contribute to testing and observability.

Qualifications

• Experience building production applications with Ruby on Rails.
• Comfort across the stack in a mature codebase.
• Proficiency in designing or extending REST or GraphQL APIs with scalability and backward compatibility.
• Practical experience designing and shipping AI-powered backend features or integrations.
• Strong SQL skills and familiarity with PostgreSQL, including efficient queries and data modeling.
• Experience identifying and addressing performance bottlenecks at application and infrastructure layers.
• Open to learning and collaborating in an asynchronous, distributed team; familiarity with Python backends or Vue frontends is a plus.

Responsibilities

• Develop, ship, and maintain secure, well-tested, and performant external agent integrations across the GitLab monolith backend.
• Collaborate with Product Management, UX, frontend, backend, and AI specialists to refine requirements and deliver high-quality improvements.
• Design, implement, and review GraphQL and REST APIs with clear contracts for frontend clients.
• Improve and extend automated testing, including RSpec and other frameworks, to strengthen quality and feedback loops.
• Share standards, patterns, and lessons with other engineers to support responsible AI integration and evidence-based engineering.
• Participate in Tier 2 on-call rotations, troubleshoot production issues, and contribute to root cause analysis and observability.
• Assess the competitive landscape and help GitLab build strong AI integrations as agentic technology evolves.

Skills

Ruby on Rails

API design

SQL / PostgreSQL

Performance optimization

Distributed systems

Async collaboration

Tools

RSpec

GraphQL

REST APIs

Job description

GitLab is seeking a Senior Backend Engineer on the External Agents team to design and build integrations that bring GitLab agents into tools like Slack and connect external AI solutions with GitLab. You will own complex features, shape architectural patterns, and collaborate across AI engineering teams in a high-visibility area that spans the core platform and AI strategy.

You will work on REST and GraphQL APIs, optimize performance, and contribute to testing and observability.