Fullstack Engineer (TypeScript)

Responsibilities

• Develop secure, tested, and performant TypeScript features across frontend and backend systems.
• Build and publish versioned TypeScript packages from the GitLab Language Server and migrate consumers incrementally.
• Design durable public APIs with clear interfaces, changelogs, deprecation paths, and backward compatibility.
• Build isomorphic core packages with platform-specific adapters and improve SDK client surfaces, including Vue 3 components in Duo Chat on the web.
• Strengthen credential handling using bearer tokens, session cookies, and CSRF protection.
• Optimize browser bundle size, startup cost, and dependency weight, and participate in a Tier 2 on-call rotation.
• Write tests, contribute to code reviews and design discussions, and collaborate with product, design, and engineering teams.

Requirements

• Strong proficiency with TypeScript across frontend and backend systems, including building and maintaining Node.js services.
• Experience with modern build and packaging tools, monorepos, multi-module builds, ECMAScript modules, and dependency management.
• Experience with Vue 3 and the Composition API, or comparable component-based frontend experience with willingness to learn Vue.
• Experience designing APIs used by other people and explaining design tradeoffs.
• Understanding of differences between Node.js and browser execution environments and how to write cross-platform code.
• A security-minded approach to credential handling and performance optimization.
• Clear and concise technical writing, iterative problem solving, collaboration in an agile environment, self-motivation, and organizational judgment.

Benefits

• Fully remote and asynchronous work across regions.
• Benefits supporting health, finances, and well-being.
• Flexible paid time off.
• Team Member Resource Groups.
• Equity compensation and Employee Stock Purchase Plan.
• Growth and Development Fund.
• Parental leave.