Relay tech stack
Relay builds mostly with Python, Rust, Bash, C++. Its stack also includes Linux, Okta, JAX, PyTorch. Python is named in 5 of the 14 job postings Relay published in the last 12 months (36%). Counted by Alion from the job postings of Relay, updated Oct 7, 2026.
What programming languages does Relay use?
Python is named in 36% of job postings at Relay, followed by Rust (14%), Bash (14%), C++ (7%).
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What frameworks and libraries does Relay use?
JAX is named in 7% of job postings at Relay, followed by PyTorch (7%).
What cloud and platforms does Relay use?
Linux is named in 21% of job postings at Relay, followed by Okta (14%), Cortex XDR (7%), Metabase (7%).
What developer tools does Relay use?
Microsoft Excel is named in 21% of job postings at Relay, followed by Canva (7%), Rest API (7%), Git (7%).
What AI and ML technologies does Relay use?
Claude is named in 21% of job postings at Relay, followed by Gemini (7%).
Which engineering practices does Relay ask for?
Human-in-the-Loop is named in 14% of job postings at Relay, followed by Machine Learning (14%), Physical AI (14%), Data Augmentation (7%).
Data Augmentation
1 7%
CI/CD
1 7%
How does your stack fit Relay?
How is the Relay 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 Relay stack?
Relay scores 78 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 Relay stack in its industry?
Share of the 146 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Relay
Questions about the Relay tech stack
What programming languages does Relay use?
The languages named in Relay job postings are Python (36%), Rust (14%), Bash (14%), C++ (7%), Java (7%), as a share of the 14 postings of the last 12 months.
Does Relay use Linux?
Yes. Linux is named in 3 of 14 job postings (21%) and required in 3 of them.
What cloud and platforms does Relay use?
The cloud and platforms named in Relay job postings are Linux (3), Okta (2), Cortex XDR (1) (postings in brackets).
Is the Relay tech stack changing?
Yes. Rust, Human-in-the-Loop, Physical AI, Microsoft Excel first appeared in Relay job postings in the last six months.
How modern is the Relay tech stack?
Relay scores 78 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 Relay tech stack?
Alion reads every job posting Relay publishes and tags the technologies each one names. The figures on this page count the 14 postings of the last 12 months and were updated on Oct 7, 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, "Relay tech stack: 32 technologies from 14 job postings", as of Oct 7, 2026. https://alion.io/company/relaypro/technologies