Vast tech stack
Vast builds mostly with Python, MATLAB, C++, JavaScript. Its stack also includes Linux, Tableau, React.js, MySQL. Python is named in 35 of the 54 job postings Vast published in the last 12 months (65%). Counted by Alion from the job postings of Vast, updated Oct 15, 2026.
What programming languages does Vast use?
Python is named in 65% of job postings at Vast, followed by MATLAB (43%), C++ (24%), JavaScript (17%).
C++ 
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What frameworks and libraries does Vast use?
React.js is named in 9% of job postings at Vast, followed by FastAPI (4%), Ray (2%), Angular (2%).
What databases does Vast use?
MySQL is named in 4% of job postings at Vast, followed by PostgreSQL (4%).
MySQL
2 4%
PostgreSQL
2 4%
What cloud and platforms does Vast use?
Linux is named in 13% of job postings at Vast, followed by Tableau (13%), AWS (9%), Kubernetes (7%).
Tableau
7 13%
AWS
5 9%
Kubernetes
4 7%
GitHub
3 6%
Azure
2 4%
Bitbucket
2 4%
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What developer tools does Vast use?
Git is named in 11% of job postings at Vast, followed by Terraform (9%), Docker (6%), GraphQL (6%).
Git
6 11%
Terraform
5 9%
Docker
3 6%
GraphQL
3 6%
Chef
2 4%
Puppet
2 4%
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Which engineering practices does Vast ask for?
CI/CD is named in 9% of job postings at Vast, followed by Human-in-the-Loop (7%), Digital Twin (6%), RAG (4%).
CI/CD
5 9%
RAG
2 4%
HPC
1 2%
Incident Management
1 2%
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What does each Vast team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
25 postingsHardware
7 postingsDevOps
5 postingsHow does your stack fit Vast?
How much does Vast pay by technology?
Median stated pay of the postings that name each technology, against the median of all Vast postings with stated pay: $195k across 48 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 33 | $210k | +8% |
| MATLAB | 21 | $196k | +1% |
| C++ | 11 | $176k | −9% |
| JavaScript | 9 | $195k | 0% |
| Tableau | 7 | $265k | +36% |
| Linux | 7 | $180k | −7% |
| AWS | 5 | $221k | +14% |
| Go | 5 | $195k | 0% |
| React.js | 5 | $193k | −1% |
How is the Vast 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 Vast stack?
Vast scores 73 out of 100 (Modern). 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: 1.
How common is the Vast stack in its industry?
Share of the 282 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Vast
Rocket Lab
63 shared technologies
The Aerospace Corporation
60 shared technologies
Magna
72 shared technologies
Chenega
63 shared technologies
Texas Instruments
61 shared technologies
Volkswagen Group
61 shared technologies
Markon Solutions
60 shared technologies
L3Harris Technologies
74 shared technologies
Questions about the Vast tech stack
What programming languages does Vast use?
The languages named in Vast job postings are Python (65%), MATLAB (43%), C++ (24%), JavaScript (17%), SQL (11%), as a share of the 54 postings of the last 12 months.
Does Vast use Linux?
Yes. Linux is named in 7 of 54 job postings (13%) and required in 6 of them.
What cloud and platforms does Vast use?
The cloud and platforms named in Vast job postings are Linux (7), Tableau (7), AWS (5) (postings in brackets).
What skills do you need for a Industrial Engineering job at Vast?
Industrial Engineering postings at Vast most often require Python (3), C++ (2), MATLAB (2), out of 25 postings in the last 12 months.
Is the Vast tech stack changing?
Yes. AWS, Puppet, Azure, GCP first appeared in Vast job postings in the last six months.
How modern is the Vast tech stack?
Vast scores 73 out of 100 (Modern). 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: 1.
How does Alion know the Vast tech stack?
Alion reads every job posting Vast publishes and tags the technologies each one names. The figures on this page count the 54 postings of the last 12 months and were updated on Oct 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, "Vast tech stack: 82 technologies from 54 job postings", as of Oct 15, 2026. https://alion.io/company/vastspace/technologies