Senior TypeScript CLI Engineer—AI-Driven Dev Tools

GitLab; Poland; On-site; PLN 272,000 - 408,000; Full time

Benefits offered by this job

Growth and Development Fund

Parental Leave

Flexible Paid Time Off

Equity Compensation & Employee Stock«

Job summary

GitLab is seeking a Senior Software Engineer for the Duo CLI functional team within the AI Clients stage. You will design and build tools that bring GitLab Duo into developers' daily terminal workflows.

You'll shape AI-assisted experiences across GitLab Duo CLI and its supporting infrastructure, mainly using TypeScript on frontend and backend, and help set the CLI's future direction. You will provide technical leadership by breaking down complex problems, guiding architectural decisions, and

Qualifications

• Strong proficiency in TypeScript and an interest in developer tooling and command-line interface design.
• Experience building or maintaining command-line tools or other developer-facing tooling, including command and flag design, terminal user interfaces, output formatting, scripting-friendly behavior, and backward compatibility.
• Experience owning technical problems end to end, making sound architectural trade-offs, and guiding other engineers through code reviews and mentorship.

Responsibilities

• Own the design, development, and evolution of GitLab Duo CLI features from problem definition with Product through implementation, rollout, and iteration, measuring success through feature usage and feedback.
• Build interactive terminal experiences in TypeScript, with careful command and flag design, clear output formatting, scripting-friendly behavior, and backward compatibility.
• Drive reliability, observability, and performance improvements for the CLI, measuring progress through reliability and performance metrics while reducing technical debt as the product and its usage grow.
• Collaborate with Product, Design, and engineers across Developer Clients and the wider AI Clients stage to align technical decisions with GitLab's broader strategy.
• Champion product quality, security, and developer experience through thoughtful reviews and mentorship.
• Contribute to IDE extension work across the group when useful, including the JetBrains plugin in Kotlin and the VS Code extension in TypeScript.

Skills

TypeScript

CLI tooling

Architectural trade-offs

English communication

Remote collaboration

Tools

JetBrains Kotlin

VS Code extensions

Language Server Protocol

Job description

GitLab is seeking a Senior Software Engineer for the Duo CLI functional team within the AI Clients stage. You will design and build tools that bring GitLab Duo into developers' daily terminal workflows.

You'll shape AI-assisted experiences across GitLab Duo CLI and its supporting infrastructure, mainly using TypeScript on frontend and backend, and help set the CLI's future direction. You will provide technical leadership by breaking down complex problems, guiding architectural decisions, and