Capacity tech stack
Capacity builds mostly with Python, C++, Go, Rust. Its stack also includes Linux, AWS, PyTorch, PyTorch C++. Python is named in 7 of the 9 job postings Capacity published in the last 12 months (78%). Counted by Alion from the job postings of Capacity, updated Oct 3, 2026.
What programming languages does Capacity use?
Python is named in 78% of job postings at Capacity, followed by C++ (67%), Go (33%), Rust (33%).
C++ 
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What frameworks and libraries does Capacity use?
PyTorch is named in 22% of job postings at Capacity, followed by PyTorch C++ (22%), TensorFlow (11%), TensorFlow C++ (11%).
What databases does Capacity use?
ElasticSearch is named in 11% of job postings at Capacity, followed by PostgreSQL (11%), Redis (11%).
What cloud and platforms does Capacity use?
Linux is named in 33% of job postings at Capacity, followed by AWS (22%), Kubernetes (22%), vLLM (22%).
AWS
2 22%
Kubernetes
2 22%
vLLM
2 22%
GitHub
1 11%
Spark
1 11%
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What developer tools does Capacity use?
Git is named in 22% of job postings at Capacity, followed by Docker (22%), GPG (22%), KServe (22%).
Git
2 22%
Docker
2 22%
GPG
2 22%
KServe
2 22%
Rest API
2 22%
Copilot
1 11%
Cursor
1 11%
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What AI and ML technologies does Capacity use?
Claude is named in 22% of job postings at Capacity, followed by LLM (11%).
Which engineering practices does Capacity ask for?
CI/CD is named in 22% of job postings at Capacity, followed by Speech Recognition (22%), Text-to-Speech (22%), PKI (22%).
CI/CD
2 22%
Speech Recognition
2 22%
Function Calling
1 11%
Prompt Engineering
1 11%
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What does each Capacity team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
5 postingsHow does your stack fit Capacity?
How is the Capacity 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 Capacity stack?
Capacity scores 84 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 Capacity stack in its industry?
Share of the 425 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Capacity
Questions about the Capacity tech stack
What programming languages does Capacity use?
The languages named in Capacity job postings are Python (78%), C++ (67%), Go (33%), Rust (33%), Bash (11%), as a share of the 9 postings of the last 12 months.
Does Capacity use PyTorch?
Yes. PyTorch is named in 2 of 9 job postings (22%) and required in 2 of them.
What cloud and platforms does Capacity use?
The cloud and platforms named in Capacity job postings are Linux (3), AWS (2), Kubernetes (2) (postings in brackets).
What skills do you need for a Backend job at Capacity?
Backend postings at Capacity most often require C++ (4), Python (4), Go (3), Rust (3), out of 5 postings in the last 12 months.
Is the Capacity tech stack changing?
Yes. CI/CD, GPG, KServe, PKI first appeared in Capacity job postings in the last six months.
How modern is the Capacity tech stack?
Capacity scores 84 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 Capacity tech stack?
Alion reads every job posting Capacity publishes and tags the technologies each one names. The figures on this page count the 9 postings of the last 12 months and were updated on Oct 3, 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, "Capacity tech stack: 51 technologies from 9 job postings", as of Oct 3, 2026. https://alion.io/company/capacity-com/technologies