Fullstack Engineer , AI Engineering: Duo Client SDK
Build the TypeScript SDK foundation used by GitLab Duo clients across editors and web applications. The role involves Node.js and Vue 3 development, public API design, secure credential handling, package publishing, and performance optimization in a fully remote environment.
About the job
Responsibilities
- Develop secure, well-tested, and performant TypeScript features for technical problems of moderate scope and complexity.
- Ship features and improvements with minimal guidance, writing tests with every merge request and contributing to code reviews and design discussions.
- Extract and publish TypeScript packages from the GitLab Language Server, migrating consumers incrementally.
- Design durable public APIs with clear interfaces, semantic versioning, changelogs, and deprecation paths.
- Build isomorphic core packages that isolate platform-specific behavior in adapters.
- Build and improve SDK client surfaces, including Vue 3 components in Duo Chat on the web.
- Strengthen credential handling across hosts, including bearer tokens, session cookies, and CSRF protection.
- Optimize bundle size, startup cost, and dependency weight for browser consumers.
- Support a Tier 2 on-call rotation for urgent engineering issues.
Requirements
- Strong proficiency with TypeScript across frontend and backend systems, including 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 and willingness to learn Vue.
- Experience designing APIs used by other people.
- Understanding of differences between Node.js and browser environments and how to write code for both.
- Security-minded development approach, including careful credential handling and performance optimization.
- Clear written communication about technical problems and iterative solutions.
- Ability to work effectively in an agile, fully remote organization.
Skills
TypeScript, Node.js, Vue 3, Composition Api, JavaScript, Ecmascript Modules, Monorepos, API Design, Semantic Versioning, Browser Apis, Csrf Protection, Credential Management, Gitlab Language Server, Package Management
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