Software Tool developer – ECT

Overview

Tool Developer to design and build developer productivity tools and language tooling, with a primary focus on VS Code extensions and DSL engineering.

What you'll do

• Develop and maintain VS Code extensions using JavaScript/TypeScript and NodeJS.
• Implement editor features like syntax highlighting, completion, hover, go-to-definition, rename, formatting, diagnostics, and quick fixes.
• Design and evolve DSLs, including grammars, AST models, and language services such as parser/linker/validator/serializer.
• Integrate DSL tooling into CI/CD pipelines for linting, validation, and model checks.
• Build CLI utilities and automation scripts for DSL compilation and validation.
• Write unit/integration tests and maintain code quality for extensions and language services.

What you'll need

• 3–5 years of software development experience focused on developer tooling, IDE plugins, or language engineering.
• Strong proficiency in JavaScript/TypeScript and Node.js.
• Hands-on experience developing VS Code extensions (e.g., commands, providers, webviews, Tree Views).
• Practical knowledge of Langium or similar language workbenches.
• Understanding of Language Server Protocol (LSP) and Debug Adapter Protocol (DAP).
• Experience with Python for scripting and automation.
• Working experience with Jenkins for CI/CD pipeline design and maintenance.

Details

• Job title: Software Tool developer – ECT.