F5 tech stack
F5 builds mostly with Python, Go, JavaScript, Java. Its stack also includes Kubernetes, AWS, LangChain, Snowflake. Kubernetes is named in 149 of the 333 job postings F5 published in the last 12 months (45%). Counted by Alion from the job postings of F5, updated Nov 12, 2026.
What programming languages does F5 use?
Python is named in 43% of job postings at F5, followed by Go (16%), JavaScript (11%), Java (9%).
Python
144 43%
Go
53 16%
JavaScript
38 11%
Java
30 9%
SQL
27 8%
C++
25 8%
TypeScript
20 6%
Bash
19 6%
Show all (20)
What frameworks and libraries does F5 use?
LangChain is named in 5% of job postings at F5, followed by React.js (3%), LlamaIndex (3%), Next.js (3%).
LangChain
18 5%
React.js
10 3%
LlamaIndex
10 3%
Next.js
9 3%
Selenium
8 2%
FastAPI
8 2%
LangGraph
7 2%
OpenTelemetry
7 2%
Show all (49)
And 9 more, each named in fewer postings.
What databases does F5 use?
Snowflake is named in 5% of job postings at F5, followed by PostgreSQL (4%), ElasticSearch (2%), Pinecone (2%).
Snowflake
15 5%
PostgreSQL
13 4%
ElasticSearch
5 2%
Pinecone
5 2%
Milvus
5 2%
Azure Cosmos DB
4 1%
Weaviate
4 1%
Amazon Aurora
3 1%
Show all (17)
What cloud and platforms does F5 use?
Kubernetes is named in 45% of job postings at F5, followed by AWS (36%), Azure (33%), GCP (28%).
Kubernetes
149 45%
AWS
120 36%
Azure
111 33%
GCP
94 28%
Tableau
29 9%
OpenShift
28 8%
Show all (84)
And 44 more, each named in fewer postings.
What developer tools does F5 use?
Docker is named in 16% of job postings at F5, followed by Terraform (16%), Ansible (14%), Git (10%).
Docker
52 16%
Terraform
52 16%
Ansible
46 14%
Git
33 10%
Jenkins
18 5%
Rest API
18 5%
Model Context Protocol
17 5%
Prometheus
16 5%
Show all (81)
And 41 more, each named in fewer postings.
What AI and ML technologies does F5 use?
LLM is named in 20% of job postings at F5, followed by Gemini (5%), Claude (2%), ChatGPT (1%).
Which engineering practices does F5 ask for?
CI/CD is named in 30% of job postings at F5, followed by DNS (17%), TCP/IP (15%), AI Agents (14%).
CI/CD
99 30%
AI Agents
47 14%
Platform Engineering
35 11%
RAG
28 8%
Prompt Engineering
23 7%
Show all (59)
And 19 more, each named in fewer postings.
What does each F5 team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Solutions
63 postingsBackend
45 postingsSales
37 postingsDevOps
27 postingsProduct
24 postingsMarketing
23 postingsHow does your stack fit F5?
How much does F5 pay by technology?
Median stated pay of the postings that name each technology, against the median of all F5 postings with stated pay: $227k across 155 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Kubernetes | 58 | $236k | +4% |
| Python | 53 | $225k | −1% |
| AWS | 52 | $228k | 0% |
| Azure | 51 | $224k | −1% |
| GCP | 45 | $228k | 0% |
| LLM | 37 | $227k | 0% |
| Linux | 23 | $209k | −8% |
| Go | 17 | $245k | +8% |
| Java | 17 | $242k | +7% |
| API Gateway | 13 | $245k | +8% |
How is the F5 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 F5 stack?
F5 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: 8; legacy ones: 0.
How common is the F5 stack in its industry?
Share of the 316 companies in the same industries, whose stack Alion knows, that use each technology.
What sets F5 apart
F5 products in its job postings
Postings at F5 name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like F5
Questions about the F5 tech stack
What programming languages does F5 use?
The languages named in F5 job postings are Python (43%), Go (16%), JavaScript (11%), Java (9%), SQL (8%), as a share of the 333 postings of the last 12 months.
Does F5 use LangChain?
Yes. LangChain is named in 18 of 333 job postings (5%) and required in 13 of them.
What cloud and platforms does F5 use?
The cloud and platforms named in F5 job postings are Kubernetes (149), AWS (120), Azure (111) (postings in brackets).
What skills do you need for a Solutions job at F5?
Solutions postings at F5 most often require Kubernetes (45), OpenShift (23), Python (23), AWS (18), out of 63 postings in the last 12 months.
Is the F5 tech stack changing?
Yes. New Relic, CAPA, Adobe Photoshop, Windows Server first appeared in F5 job postings in the last six months.
How modern is the F5 tech stack?
F5 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: 8; legacy ones: 0.
How does Alion know the F5 tech stack?
Alion reads every job posting F5 publishes and tags the technologies each one names. The figures on this page count the 333 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, "F5 tech stack: 318 technologies from 333 job postings", as of Nov 12, 2026. https://alion.io/company/ffive/technologies