Leucine tech stack
Leucine builds mostly with SQL, JavaScript, Node JS, Python. Its stack also includes Figma, Replit, BigQuery, Google BigQuery. SQL is named in 4 of the 6 job postings Leucine published in the last 12 months (67%). Counted by Alion from the job postings of Leucine, updated Oct 16, 2026.
What programming languages does Leucine use?
SQL is named in 67% of job postings at Leucine, followed by JavaScript (17%), Node JS (17%), Python (17%).
What frameworks and libraries does Leucine use?
React.js is named in 17% of job postings at Leucine, followed by Playwright (17%), TypeORM (17%).
What databases does Leucine use?
BigQuery is named in 17% of job postings at Leucine, followed by Google BigQuery (17%), PostgreSQL (17%), Redis (17%).
BigQuery 
What cloud and platforms does Leucine use?
Figma is named in 33% of job postings at Leucine, followed by Replit (17%), Supabase (17%), Webflow (17%).
What developer tools does Leucine use?
Cursor is named in 33% of job postings at Leucine, followed by Claude Code (17%), Lovable (17%), Microsoft Excel (17%).
What AI and ML technologies does Leucine use?
Claude is named in 33% of job postings at Leucine, followed by LLM (17%).
Which engineering practices does Leucine ask for?
AI Agents is named in 33% of job postings at Leucine, followed by Agentic Workflows (17%), ETL/ELT (17%), RAG (17%).
How does your stack fit Leucine?
How modern is the Leucine stack?
Leucine scores 83 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: 2; legacy ones: 0.
How common is the Leucine stack in its industry?
Share of the 637 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Leucine
Questions about the Leucine tech stack
What programming languages does Leucine use?
The languages named in Leucine job postings are SQL (67%), JavaScript (17%), Node JS (17%), Python (17%), TypeScript (17%), as a share of the 6 postings of the last 12 months.
What cloud and platforms does Leucine use?
The cloud and platforms named in Leucine job postings are Figma (2), Replit (1), Supabase (1) (postings in brackets).
Is the Leucine tech stack changing?
No new technology has appeared in Leucine job postings in the last six months.
How modern is the Leucine tech stack?
Leucine scores 83 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: 2; legacy ones: 0.
How does Alion know the Leucine tech stack?
Alion reads every job posting Leucine publishes and tags the technologies each one names. The figures on this page count the 6 postings of the last 12 months and were updated on Oct 16, 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, "Leucine tech stack: 31 technologies from 6 job postings", as of Oct 16, 2026. https://alion.io/company/leucine/technologies