FEZ tech stack
FEZ builds mostly with Python, TypeScript, JavaScript, SQL. Its stack also includes Windows, Datadog, BigQuery, Google BigQuery. Windows is named in 8 of the 8 job postings FEZ published in the last 12 months (100%). Counted by Alion from the job postings of FEZ, updated Oct 16, 2026.
What programming languages does FEZ use?
Python is named in 75% of job postings at FEZ, followed by TypeScript (25%), JavaScript (25%), SQL (13%).
What frameworks and libraries does FEZ use?
FastAPI is named in 25% of job postings at FEZ, followed by Next.js (25%), React.js (25%), LangChain (13%).
What databases does FEZ use?
BigQuery is named in 75% of job postings at FEZ, followed by Google BigQuery (75%), PostgreSQL (25%).
BigQuery 
What cloud and platforms does FEZ use?
Windows is named in 100% of job postings at FEZ, followed by Datadog (75%), GCP (75%), GitHub (75%).
Datadog
6 75%
GCP
6 75%
GitHub
6 75%
Google Cloud Run
6 75%
Figma
1 13%
GitHub Actions
1 13%
Show all (10)
What developer tools does FEZ use?
Docker is named in 75% of job postings at FEZ, followed by Terraform (75%), Great Expectations (50%), dbt (25%).
What AI and ML technologies does FEZ use?
Claude is named in 13% of job postings at FEZ, followed by Gemini (13%), LLM (13%).
Which engineering practices does FEZ ask for?
CI/CD is named in 13% of job postings at FEZ.
CI/CD
1 13%
What does each FEZ team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Analytics
4 postingsHow does your stack fit FEZ?
How much does FEZ pay by technology?
Median stated pay of the postings that name each technology, against the median of all FEZ postings with stated pay: $652k across 7 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Windows | 7 | $652k | 0% |
| BigQuery | 5 | $648k | −1% |
| Datadog | 5 | $648k | −1% |
| GCP | 5 | $648k | −1% |
| GitHub | 5 | $648k | −1% |
| Google BigQuery | 5 | $648k | −1% |
| Google Cloud Run | 5 | $648k | −1% |
| Python | 5 | $648k | −1% |
How is the FEZ 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 FEZ stack?
FEZ scores 93 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: 3; legacy ones: 0.
Questions about the FEZ tech stack
What programming languages does FEZ use?
The languages named in FEZ job postings are Python (75%), TypeScript (25%), JavaScript (25%), SQL (13%), as a share of the 8 postings of the last 12 months.
Does FEZ use FastAPI?
Yes. FastAPI is named in 2 of 8 job postings (25%) and required in 2 of them.
What cloud and platforms does FEZ use?
The cloud and platforms named in FEZ job postings are Windows (8), Datadog (6), GCP (6) (postings in brackets).
What skills do you need for a Analytics job at FEZ?
Analytics postings at FEZ most often require BigQuery (2), Datadog (2), Docker (2), GCP (2), out of 4 postings in the last 12 months.
Is the FEZ tech stack changing?
No new technology has appeared in FEZ job postings in the last six months.
How modern is the FEZ tech stack?
FEZ scores 93 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: 3; legacy ones: 0.
How does Alion know the FEZ tech stack?
Alion reads every job posting FEZ publishes and tags the technologies each one names. The figures on this page count the 8 postings of the last 12 months and were updated on Oct 16, 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, "FEZ tech stack: 30 technologies from 8 job postings", as of Oct 16, 2026. https://alion.io/company/fez-inc/technologies