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Senior Svelte Frontend Engineer

Windmill
Francefull_timeVerifiedPosted 9 Jan 2026
💰 €89,971/yr(€40,000/yr€89,971/yr)

About the role

Skills: Svelte, TypeScript

Looking for a senior, passionate and “cracked” backend engineer to work on the open-source developer platform Windmill: https://github.com/windmill-labs/windmill

We are open to less senior candidates but a high-degree of autonomy and initiative will be expected after a ramp-up period.

Our codebase is dense and the frontend is all in Svelte, it has a drag-n-drop app editor similar to Retool, a workflow editor based on xyflow for our workflow engine that mix low-code and full code-editor, a code editor with live feedback using monaco + custom websocket layer for lsp and we are globally a very polished product that our users love that fit both the developer and enterprise requirements.\ \ The UI challenges of developing a developer platform is, at the same time, to make it a delightful and intuitive experience, while keeping all the features and depth of a tool for developer.

We have 100+ enterprise customers with comfortable revenue, tier 1 investors (Google, Bessemer), and high growth.

Team of 10 engineers

Hiring hybrid (\~3 days/week in office) in Paris/France

Bonus points if you can do a bit of Rust as well

Play with the product and codebase, and apply.

Interview Process

  1. Apply here or email at jobs@windmill.dev
  2. 30mins interview with founder
  3. 1h case study with a member of the team
  4. Work for us for with a paid trial (can be on week-ends and evenings, ideally between 20h and 80h)
  5. You’re hired

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Company

Windmill

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