Proof tech stack
Proof builds mostly with Ruby, SQL, TypeScript, C#. Its stack also includes AWS, Okta, PostgreSQL, Redis. Ruby is named in 2 of the 4 job postings Proof published in the last 12 months (50%). Counted by Alion from the job postings of Proof, updated Oct 6, 2026.
What programming languages does Proof use?
Ruby is named in 50% of job postings at Proof, followed by SQL (50%), TypeScript (50%), C# (25%).
What frameworks and libraries does Proof use?
React.js is named in 25% of job postings at Proof, followed by Ruby on Rails (25%).
React.js
1 25%
Ruby on Rails
1 25%
What databases does Proof use?
PostgreSQL is named in 25% of job postings at Proof, followed by Redis (25%).
PostgreSQL
1 25%
Redis
1 25%
What cloud and platforms does Proof use?
AWS is named in 25% of job postings at Proof, followed by Okta (25%).
What developer tools does Proof use?
GraphQL is named in 50% of job postings at Proof, followed by Terraform (25%).
Which engineering practices does Proof ask for?
CI/CD is named in 75% of job postings at Proof, followed by AI Agents (50%), GitOps (25%), IAM (25%).
How does your stack fit Proof?
How modern is the Proof stack?
Proof scores 82 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: 0; legacy ones: 0.
How common is the Proof stack in its industry?
Share of the 202 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Proof
Questions about the Proof tech stack
What programming languages does Proof use?
The languages named in Proof job postings are Ruby (50%), SQL (50%), TypeScript (50%), C# (25%), Go (25%), as a share of the 4 postings of the last 12 months.
What cloud and platforms does Proof use?
The cloud and platforms named in Proof job postings are AWS (1), Okta (1) (postings in brackets).
Is the Proof tech stack changing?
No new technology has appeared in Proof job postings in the last six months.
How modern is the Proof tech stack?
Proof scores 82 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: 0; legacy ones: 0.
How does Alion know the Proof tech stack?
Alion reads every job posting Proof publishes and tags the technologies each one names. The figures on this page count the 4 postings of the last 12 months and were updated on Oct 6, 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, "Proof tech stack: 20 technologies from 4 job postings", as of Oct 6, 2026. https://alion.io/company/proof/technologies