Windmill tech stack
Windmill builds mostly with Python, Rust, TypeScript, C#. Its stack also includes PostgreSQL, Figma, Replit, Svelte. Python is named in 4 of the 5 job postings Windmill published in the last 12 months (80%). Counted by Alion from the job postings of Windmill, updated Oct 12, 2026.
What programming languages does Windmill use?
Python is named in 80% of job postings at Windmill, followed by Rust (80%), TypeScript (80%), C# (40%).
C# 
Show all (9)
What frameworks and libraries does Windmill use?
Svelte is named in 40% of job postings at Windmill, followed by Dagster (40%).
What databases does Windmill use?
PostgreSQL is named in 60% of job postings at Windmill.
PostgreSQL
3 60%
What cloud and platforms does Windmill use?
Figma is named in 40% of job postings at Windmill, followed by Replit (40%), Supabase (40%), Vercel (40%).
What developer tools does Windmill use?
Cursor is named in 40% of job postings at Windmill, followed by Docker (20%), Git (20%).
What AI and ML technologies does Windmill use?
LLM is named in 40% of job postings at Windmill.
LLM
2 40%
Which engineering practices does Windmill ask for?
AI Agents is named in 40% of job postings at Windmill, followed by Function Calling (40%), Structured Outputs (40%), Tool Use (20%).
What does each Windmill team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit Windmill?
How modern is the Windmill stack?
Windmill scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How common is the Windmill stack in its industry?
Share of the 360 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Windmill
Questions about the Windmill tech stack
What programming languages does Windmill use?
The languages named in Windmill job postings are Python (80%), Rust (80%), TypeScript (80%), C# (40%), C++ (40%), as a share of the 5 postings of the last 12 months.
Does Windmill use Svelte?
Yes. Svelte is named in 2 of 5 job postings (40%) and required in 2 of them.
What cloud and platforms does Windmill use?
The cloud and platforms named in Windmill job postings are Figma (2), Replit (2), Supabase (2) (postings in brackets).
What skills do you need for a Backend job at Windmill?
Backend postings at Windmill most often require PostgreSQL (3), Python (3), Rust (3), TypeScript (3), out of 3 postings in the last 12 months.
Is the Windmill tech stack changing?
No new technology has appeared in Windmill job postings in the last six months.
How modern is the Windmill tech stack?
Windmill scores 80 out of 100 (Cutting-edge). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How does Alion know the Windmill tech stack?
Alion reads every job posting Windmill publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 12, 2026.
Method and citation
Alion reads every job posting the company publishes and tags the technologies each one names. Shares count the postings of the last 12 months, open and closed; the company's own products are counted apart. How we count
Alion, "Windmill tech stack: 26 technologies from 5 job postings", as of Oct 12, 2026. https://alion.io/company/windmill/technologies