Fastly tech stack
Fastly builds mostly with Python, Rust, Java, Go. Its stack also includes GitHub, Linux, Google BigQuery, Google Bigtable. GitHub is named in 99 of the 127 job postings Fastly published in the last 12 months (78%). Counted by Alion from the job postings of Fastly, updated Nov 12, 2026.
What programming languages does Fastly use?
Python is named in 16% of job postings at Fastly, followed by Rust (13%), Java (6%), Go (6%).
C# 
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What frameworks and libraries does Fastly use?
OpenTelemetry is named in 1% of job postings at Fastly.
OpenTelemetry
1 1%
What databases does Fastly use?
Google BigQuery is named in 2% of job postings at Fastly, followed by Google Bigtable (1%), MySQL (1%).
What cloud and platforms does Fastly use?
GitHub is named in 78% of job postings at Fastly, followed by Linux (18%), GCP (11%), AWS (9%).
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What developer tools does Fastly use?
Apache HTTP Server is named in 6% of job postings at Fastly, followed by Nginx (6%), Terraform (6%), Chef (5%).
Nginx
7 6%
Terraform
7 6%
Chef
6 5%
Ansible
5 4%
Prometheus
5 4%
Git
4 3%
Docker
4 3%
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What AI and ML technologies does Fastly use?
Claude is named in 8% of job postings at Fastly, followed by Gemini (3%), ChatGPT (2%), LLM (1%).
Which engineering practices does Fastly ask for?
DNS is named in 8% of job postings at Fastly, followed by CI/CD (6%), TCP/IP (6%), BGP (6%).
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What does each Fastly team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Security
13 postingsLegal
12 postingsBackend
12 postingsProduct
9 postingsHow does your stack fit Fastly?
How much does Fastly pay by technology?
Median stated pay of the postings that name each technology, against the median of all Fastly postings with stated pay: $217k across 95 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| GitHub | 71 | $217k | 0% |
| Linux | 16 | $217k | 0% |
| Rust | 11 | $217k | 0% |
| Python | 11 | $201k | −7% |
| GCP | 11 | $186k | −14% |
| Kubernetes | 9 | $217k | 0% |
| AWS | 9 | $186k | −14% |
| Claude | 8 | $166k | −24% |
| WebAssembly | 6 | $244k | +12% |
| Go | 6 | $217k | 0% |
How is the Fastly 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 Fastly stack?
Fastly scores 85 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: 4; legacy ones: 0.
How common is the Fastly stack in its industry?
Share of the 59 companies in the same industries, whose stack Alion knows, that use each technology.
Fastly products in its job postings
Postings at Fastly name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Fastly
Questions about the Fastly tech stack
What programming languages does Fastly use?
The languages named in Fastly job postings are Python (16%), Rust (13%), Java (6%), Go (6%), Ruby (5%), as a share of the 127 postings of the last 12 months.
Does Fastly use GitHub?
Yes. GitHub is named in 99 of 127 job postings (78%) and required in 99 of them.
What cloud and platforms does Fastly use?
The cloud and platforms named in Fastly job postings are GitHub (99), Linux (23), GCP (14) (postings in brackets).
What skills do you need for a Security job at Fastly?
Security postings at Fastly most often require GitHub (10), Linux (7), Python (6), Java (5), out of 13 postings in the last 12 months.
Is the Fastly tech stack changing?
Yes. ChatGPT, Matter, ETL/ELT, Gemini first appeared in Fastly job postings in the last six months.
How modern is the Fastly tech stack?
Fastly scores 85 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: 4; legacy ones: 0.
How does Alion know the Fastly tech stack?
Alion reads every job posting Fastly publishes and tags the technologies each one names. The figures on this page count the 127 postings of the last 12 months and were updated on Nov 12, 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, "Fastly tech stack: 85 technologies from 127 job postings", as of Nov 12, 2026. https://alion.io/company/fastly/technologies