Senior Fullstack Engineer (TypeScript), AI Engineering: Editor Extensions

Role overview

Senior Fullstack Engineer for AI Engineering: Editor Extensions on GitLab’s Multi-Platform team. You will design and build tools that integrate GitLab Duo into developers’ daily workflows across the Duo CLI, JetBrains IDEs, the terminal, and other editor interfaces.

What you’ll do

• Lead design and implementation of multi-platform editor extensions for Duo (from discovery through rollout and iteration).
• Design, build, and operate TypeScript/Node.js services for the GitLab Duo CLI, including rich interactive terminal experiences with strong reliability, observability, and performance.
• Develop and enhance a JetBrains IDE plugin in Kotlin using the IntelliJ Platform SDK, guiding architectural decisions for maintainability and performance.
• Implement and evolve features in the GitLab Language Server to provide consistent AI-assisted workflows across editors.
• Build modern, accessible UI components using Vue 3, shadcn-style component libraries, and Tailwind-based theming.
• Shape multi-platform architecture, reduce technical debt, and improve scalability and developer experience.
• Collaborate with product, design, and engineers across AI Engineering to align with broader multi-platform strategy.
• Ensure high code quality, security, performance, and developer experience through reviews, mentorship, and shared standards.

Examples of projects

• Duo CLI
• GitLab Language Server
• GitLab Duo plugin for JetBrains IDEs

Requirements

• Strong proficiency with TypeScript across frontend and backend (posting continues beyond the provided excerpt).