Exa tech stack
Exa builds mostly with TypeScript, Python, Rust, SQL. Its stack also includes AWS, Azure, ClickHouse, React.js. TypeScript is named in 5 of the 47 job postings Exa published in the last 12 months (11%). Counted by Alion from the job postings of Exa, updated Sep 28, 2026.
What programming languages does Exa use?
TypeScript is named in 11% of job postings at Exa, followed by Python (9%), Rust (9%), SQL (9%).
What frameworks and libraries does Exa use?
React.js is named in 4% of job postings at Exa, followed by Flink (2%), Playwright (2%), RAPIDS (2%).
RAPIDS 
cuDF 
What databases does Exa use?
ClickHouse is named in 4% of job postings at Exa, followed by Delta Lake (2%).
ClickHouse
2 4%
Delta Lake
1 2%
What cloud and platforms does Exa use?
AWS is named in 6% of job postings at Exa, followed by Azure (4%), GCP (4%), API Gateway (2%).
AWS
3 6%
Azure
2 4%
GCP
2 4%
Apache Kafka
1 2%
Figma
1 2%
GitHub
1 2%
Show all (13)
What developer tools does Exa use?
Cursor is named in 34% of job postings at Exa, followed by Chrome DevTools (2%), Model Context Protocol (2%).
What AI and ML technologies does Exa use?
ChatGPT is named in 11% of job postings at Exa, followed by Claude (9%), LLM (4%).
Which engineering practices does Exa ask for?
AI Agents is named in 23% of job postings at Exa, followed by RAG (4%), Embeddings (4%), Agentic Workflows (2%).
AI Agents
11 23%
RAG
2 4%
Embeddings
2 4%
CI/CD
1 2%
FinOps
1 2%
Fine-tuning
1 2%
Show all (13)
What does each Exa team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
7 postingsMarketing
6 postingsSolutions
4 postingsHow does your stack fit Exa?
How much does Exa pay by technology?
Median stated pay of the postings that name each technology, against the median of all Exa postings with stated pay: $250k across 47 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| TypeScript | 5 | $265k | +6% |
| ChatGPT | 5 | $240k | −4% |
How is the Exa stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Exa stack?
Exa scores 89 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: 3; legacy ones: 0.
How common is the Exa stack in its industry?
Share of the 114 companies in the same industries, whose stack Alion knows, that use each technology.
Exa products in its job postings
Postings at Exa name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Exa
Questions about the Exa tech stack
What programming languages does Exa use?
The languages named in Exa job postings are TypeScript (11%), Python (9%), Rust (9%), SQL (9%), C++ (6%), as a share of the 47 postings of the last 12 months.
Does Exa use React.js?
Yes. React.js is named in 2 of 47 job postings (4%) and required in 1 of them.
What cloud and platforms does Exa use?
The cloud and platforms named in Exa job postings are AWS (3), Azure (2), GCP (2) (postings in brackets).
What skills do you need for a Backend job at Exa?
Backend postings at Exa most often require Cursor (7), C++ (3), Rust (3), TypeScript (2), out of 7 postings in the last 12 months.
Is the Exa tech stack changing?
Yes. RAG, ChatGPT, SQL, React.js first appeared in Exa job postings in the last six months.
How modern is the Exa tech stack?
Exa scores 89 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: 3; legacy ones: 0.
How does Alion know the Exa tech stack?
Alion reads every job posting Exa publishes and tags the technologies each one names. The figures on this page count the 47 postings of the last 12 months and were updated on Sep 28, 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, "Exa tech stack: 47 technologies from 47 job postings", as of Sep 28, 2026. https://alion.io/company/exa/technologies