Exa tech stack
Exa builds mostly with C++, Rust, TypeScript, Python. Its stack also includes AWS, Azure, ClickHouse, Delta Lake. C++ is named in 6 of the 72 job postings Exa published in the last 12 months (8%). Counted by Alion from the job postings of Exa, updated Nov 13, 2026.
What programming languages does Exa use?
C++ is named in 8% of job postings at Exa, followed by Rust (8%), TypeScript (8%), Python (6%).
What frameworks and libraries does Exa use?
Playwright is named in 3% of job postings at Exa, followed by PyTorch (3%), React.js (3%), Flink (1%).
RAPIDS 
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What databases does Exa use?
ClickHouse is named in 3% of job postings at Exa, followed by Delta Lake (3%).
ClickHouse
2 3%
Delta Lake
2 3%
What cloud and platforms does Exa use?
AWS is named in 4% of job postings at Exa, followed by Azure (3%), GCP (3%), API Gateway (1%).
AWS
3 4%
Azure
2 3%
GCP
2 3%
Apache Kafka
1 1%
Figma
1 1%
GitHub
1 1%
Show all (14)
What developer tools does Exa use?
Cursor is named in 32% of job postings at Exa, followed by Chrome DevTools (3%), Model Context Protocol (1%).
What AI and ML technologies does Exa use?
ChatGPT is named in 8% of job postings at Exa, followed by Claude (6%), LLM (1%).
Which engineering practices does Exa ask for?
RAG is named in 22% of job postings at Exa, followed by AI Agents (13%), Knowledge Graph (4%), Time Series (3%).
RAG
16 22%
AI Agents
9 13%
Time Series
2 3%
CI/CD
1 1%
FinOps
1 1%
Show all (14)
What does each Exa team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Solutions
14 postingsBackend
10 postingsMarketing
10 postingsAI/ML
6 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: $278k across 68 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| ChatGPT | 6 | $240k | −14% |
| TypeScript | 5 | $268k | −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 143 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 C++ (8%), Rust (8%), TypeScript (8%), Python (6%), JavaScript (6%), as a share of the 72 postings of the last 12 months.
Does Exa use Playwright?
Yes. Playwright is named in 2 of 72 job postings (3%) and required in 2 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 Solutions job at Exa?
Solutions postings at Exa most often require Python (2), TypeScript (2), out of 14 postings in the last 12 months.
Is the Exa tech stack changing?
Yes. Knowledge Graph, Time Series, PyTorch, RAG 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 72 postings of the last 12 months and were updated on Nov 13, 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: 50 technologies from 72 job postings", as of Nov 13, 2026. https://alion.io/company/exa/technologies