Software Tool Developer (VS Code & DSL)

About the role

We are seeking a Software Tool Developer to create and maintain developer productivity tools, focusing on VS Code extensions and domain‑specific language (DSL) engineering. You will collaborate with product teams, architects, and domain experts to deliver robust tooling that streamlines development workflows.

Key responsibilities

• Design, develop, and publish VS Code extensions using JavaScript/TypeScript and Node.js, implementing features such as syntax highlighting, code completion, diagnostics, and UI enhancements.
• Engineer DSLs with Langium or similar workbenches, defining grammars, AST models, and language services, and generate artifacts like configs, documentation, and code stubs.
• Integrate tooling into CI/CD pipelines, build CLI utilities, and automate validation processes.
• Write unit and integration tests, maintain code quality through reviews and static analysis, and produce developer documentation and quick‑start guides.

Required profile

• 3–5 years of software development experience with a focus on developer tooling, IDE plugins, or language engineering.
• Strong proficiency in JavaScript/TypeScript and Node.js, with hands‑on experience building VS Code extensions.
• Practical knowledge of Langium (or Xtext/MPS) for DSL development and familiarity with LSP and DAP.

Required skills

• JavaScript
• TypeScript
• Node.js
• VS Code extension development
• Langium (or similar language workbench)
• Language Server Protocol (LSP)
• Debug Adapter Protocol (DAP)
• Python scripting
• Jenkins CI/CD
• Electron framework