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As a Fullstack Engineer on the Duo Client SDK team at GitLab, you'll build the shared foundation for every GitLab Duo client. Today, the logic that powers Duo in editors lives inside the GitLab Language Server. We're extracting it into a true software development kit (SDK): a set of well-versioned TypeScript packages that editor extensions, our web-based Duo Chat on GitLab.You’ll work in TypeScript across frontend and backend systems.

You’ll design the SDK’s Node.js core and public application programming interface (API), and work in the clients that use it. You’ll have senior and staff engineers alongside you to help with design. You’ll own the implementation of scoped packages and ship improvements with minimal guidance while collaborating with the team on larger architectural changes.

Some examples of our projects The Duo Client SDK, extracting versioned, publishable packages from the GitLab Language Server The GitLab Language Server,



rebuilt on top of the SDK as our polyglot surface

Duo Chat on the web, as one of the SDK’s first consumers

Develop secure, well-tested, and performant TypeScript features that solve technical problems of moderate scope and complexity.

Ship small 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 so no parallel implementation is left to drift.

Design durable public APIs with clear interfaces, semantic versioning, changelogs, and deprecation paths for external consumers.

Build and improve SDK client surfaces, including Vue 3 components in Duo Chat on the web, in collaboration with product, design, and engineering teams.

Optimize bundle size, startup cost, and dependency weight for browser consumers, and support a Tier 2 on-call rotation for urgent engineering issues.

Strong proficiency with TypeScript across frontend and backend systems, including experience building and maintaining Node.js services.

Experience with Vue 3 and the Composition API, or comparable component-based frontend experience and a willingness to learn Vue.

Understanding of the differences between running code in Node.js and in the browser, and how to write code that works in both.

A security-minded development approach, including careful credential handling and performance optimization.

Ability to communicate clearly and concisely in writing about technical problems, propose iterative solutions, and work effectively in an agile environment.

Self-motivation, robust organizational skills, and the judgment to ask for help when needed while thriving in a fully remote organization aligned with GitLab’s values.





The Duo Client SDK team sits in GitLab’s AI Clients stage and works closely with teams building GitLab Duo experiences. We collaborate across client surfaces to make thoughtful technical decisions as the platform evolves. We work fully remotely and asynchronously across regions, in the open, following GitLab’s values of transparency and open communication.

Remote-Global The base salary range for this role’s listed level is currently for residents of the United States only.

Grade level and salary ranges are determined through interviews and a review of education, experience, knowledge, skills, abilities of the applicant, equity with other team members, alignment with market data, and geographic location. The base salary range does not include any bonuses, equity, or benefits. See more information on our benefits and equity. How GitLab Supports Full-Time Employees Flexible Paid Time Off

Equity Compensation & Employee Stock Purchase Plan

Parental Leave

All of our roles are remote, however some roles may carry specific location-based eligibility requirements.

Our Talent

Acquisition team can help answer any questions about location after starting the recruiting process.

Privacy Policy: Please review our Recruitment Privacy Policy. GitLab’s policies and practices relating to recruitment, employment, career development and advancement, promotion, and retirement are based solely on merit, regardless of race, color, religion, ancestry, sex (including pregnancy, lactation, sexual orientation, gender identity, or gender expression), national origin, age, citizenship, marital status, mental or physical disability, genetic information (including family medical history), discharge status from the military, protected veteran status (which includes disabled veterans, recently separated veterans, active duty wartime or campaign badge veterans, and Armed Forces service medal veterans), or any other basis protected by law. GitLab will not tolerate discrimination or harassment based on any of these characteristics.

See also GitLab’s EEO Policy and EEO is the Law. If you have a disability or special need that requires accommodation, please let us know during the recruiting process. #

📌 Fullstack Engineer (TypeScript), AI Engineering: Duo Client SDK (Winnipeg)
🏢 Jobcubby
📍 Winnipeg