Builders tech stack
Builders builds mostly with Python, TypeScript, JavaScript, Node JS. Its stack also includes Vercel, PostgreSQL, Next.js, React.js. Python is named in 2 of the 3 job postings Builders published in the last 12 months (67%). Counted by Alion from the job postings of Builders, updated Nov 15, 2026.
What programming languages does Builders use?
Python is named in 67% of job postings at Builders, followed by TypeScript (67%), JavaScript (67%), Node JS (33%).
What frameworks and libraries does Builders use?
Next.js is named in 67% of job postings at Builders, followed by React.js (67%), LangChain (33%), LangGraph (33%).
What databases does Builders use?
PostgreSQL is named in 67% of job postings at Builders.
PostgreSQL
2 67%
What cloud and platforms does Builders use?
Vercel is named in 67% of job postings at Builders, followed by Expo (33%), Supabase (33%), Amazon S3 (33%).
What developer tools does Builders use?
Claude Code is named in 33% of job postings at Builders, followed by Cursor (33%), Model Context Protocol (33%), Prisma (33%).
What AI and ML technologies does Builders use?
Claude is named in 67% of job postings at Builders, followed by Gemini (33%), LLM (33%), Whisper (33%).
Which engineering practices does Builders ask for?
RAG is named in 67% of job postings at Builders, followed by AI Agents (33%), Embeddings (33%), Fine-tuning (33%).
RAG
2 67%
AI Agents
1 33%
Embeddings
1 33%
Fine-tuning
1 33%
Function Calling
1 33%
Multimodal AI
1 33%
Speech Recognition
1 33%
How does your stack fit Builders?
How modern is the Builders stack?
Builders scores 92 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: 4; legacy ones: 0.
How common is the Builders stack in its industry?
Share of the 281 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Builders
Questions about the Builders tech stack
What programming languages does Builders use?
The languages named in Builders job postings are Python (67%), TypeScript (67%), JavaScript (67%), Node JS (33%), as a share of the 3 postings of the last 12 months.
Does Builders use Next.js?
Yes. Next.js is named in 2 of 3 job postings (67%) and required in 2 of them.
What cloud and platforms does Builders use?
The cloud and platforms named in Builders job postings are Vercel (2), Expo (1), Supabase (1) (postings in brackets).
Is the Builders tech stack changing?
No new technology has appeared in Builders job postings in the last six months.
How modern is the Builders tech stack?
Builders scores 92 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: 4; legacy ones: 0.
How does Alion know the Builders tech stack?
Alion reads every job posting Builders publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Nov 15, 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, "Builders tech stack: 33 technologies from 3 job postings", as of Nov 15, 2026. https://alion.io/company/builders-4/technologies