Spire tech stack
Spire builds mostly with Python, Rust, Bash, Embedded C. Its stack also includes Linux, Ubuntu. Python is named in 7 of the 10 job postings Spire published in the last 12 months (70%). Counted by Alion from the job postings of Spire, updated Oct 9, 2026.
What programming languages does Spire use?
Python is named in 70% of job postings at Spire, followed by Rust (60%), Bash (40%), Embedded C (20%).
C What cloud and platforms does Spire use?
Linux is named in 50% of job postings at Spire, followed by Ubuntu (30%), FreeRTOS (20%), RTOS (20%).
Ubuntu
3 30%
FreeRTOS
2 20%
RTOS
2 20%
AWS
1 10%
Databricks
1 10%
Power BI
1 10%
Show all (9)
Which engineering practices does Spire ask for?
CI/CD is named in 20% of job postings at Spire, followed by A/B Testing (10%).
CI/CD
2 20%
How does your stack fit Spire?
How modern is the Spire stack?
Spire scores 74 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: 0; legacy ones: 0.
How common is the Spire stack in its industry?
Share of the 132 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Spire
Questions about the Spire tech stack
What programming languages does Spire use?
The languages named in Spire job postings are Python (70%), Rust (60%), Bash (40%), Embedded C (20%), C++ (20%), as a share of the 10 postings of the last 12 months.
Does Spire use Linux?
Yes. Linux is named in 5 of 10 job postings (50%) and required in 5 of them.
What cloud and platforms does Spire use?
The cloud and platforms named in Spire job postings are Linux (5), Ubuntu (3), FreeRTOS (2) (postings in brackets).
Is the Spire tech stack changing?
No new technology has appeared in Spire job postings in the last six months.
How modern is the Spire tech stack?
Spire scores 74 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: 0; legacy ones: 0.
How does Alion know the Spire tech stack?
Alion reads every job posting Spire publishes and tags the technologies each one names. The figures on this page count the 10 postings of the last 12 months and were updated on Oct 9, 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, "Spire tech stack: 18 technologies from 10 job postings", as of Oct 9, 2026. https://alion.io/company/spire/technologies