F5 tech stack
F5 builds mostly with Python, Go, JavaScript, SQL. Its stack also includes Kubernetes, AWS, LangChain, Snowflake. Python is named in 89 of the 202 job postings F5 published in the last 12 months (44%). Counted by Alion from the job postings of F5, updated Sep 27, 2026.
What programming languages does F5 use?
Python is named in 44% of job postings at F5, followed by Go (15%), JavaScript (11%), SQL (10%).
Python
89 44%
Go
31 15%
JavaScript
23 11%
SQL
21 10%
Java
18 9%
C++
14 7%
TypeScript
14 7%
Bash
7 3%
Show all (19)
What frameworks and libraries does F5 use?
LangChain is named in 8% of job postings at F5, followed by LlamaIndex (4%), React.js (4%), Next.js (3%).
LangChain
17 8%
LlamaIndex
9 4%
React.js
8 4%
Next.js
7 3%
LangGraph
7 3%
FastAPI
6 3%
CrewAI
5 2%
PyTorch
5 2%
Show all (46)
And 6 more, each named in fewer postings.
What databases does F5 use?
Snowflake is named in 7% of job postings at F5, followed by PostgreSQL (4%), Pinecone (2%), Weaviate (2%).
Snowflake
14 7%
PostgreSQL
9 4%
Pinecone
4 2%
Weaviate
4 2%
Milvus
4 2%
Amazon Aurora
2 1%
Azure Cosmos DB
2 1%
DynamoDB
2 1%
Show all (14)
What cloud and platforms does F5 use?
Kubernetes is named in 44% of job postings at F5, followed by AWS (33%), Azure (32%), GCP (26%).
Kubernetes
89 44%
AWS
66 33%
Azure
64 32%
GCP
52 26%
Tableau
21 10%
Power BI
14 7%
Show all (75)
And 35 more, each named in fewer postings.
What developer tools does F5 use?
Docker is named in 15% of job postings at F5, followed by Terraform (12%), Ansible (12%), Git (11%).
Docker
30 15%
Terraform
25 12%
Ansible
24 12%
Git
23 11%
Model Context Protocol
13 6%
Jenkins
11 5%
Rest API
9 4%
Prometheus
8 4%
Show all (60)
And 20 more, each named in fewer postings.
What AI and ML technologies does F5 use?
LLM is named in 21% of job postings at F5, followed by Gemini (7%), Claude (2%), LoRA (1%).
Which engineering practices does F5 ask for?
CI/CD is named in 29% of job postings at F5, followed by AI Agents (17%), DNS (13%), TCP/IP (13%).
CI/CD
58 29%
AI Agents
35 17%
RAG
23 11%
Platform Engineering
23 11%
Prompt Engineering
21 10%
Show all (54)
And 14 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
38 postingsBackend
25 postingsProduct
18 postingsDevOps
17 postingsSales
17 postingsSecurity
13 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: $225k across 90 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Python | 32 | $227k | +1% |
| Kubernetes | 31 | $230k | +3% |
| Azure | 28 | $219k | −2% |
| AWS | 25 | $228k | +2% |
| GCP | 22 | $226k | +1% |
| LLM | 21 | $242k | +8% |
| Java | 11 | $228k | +2% |
| Tableau | 11 | $194k | −14% |
| Go | 10 | $250k | +11% |
| SQL | 10 | $239k | +6% |
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 80 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: 7; legacy ones: 0.
How common is the F5 stack in its industry?
Share of the 170 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
Accenture Federal Services
228 shared technologies
Visa
219 shared technologies
Booz Allen Hamilton
264 shared technologies
Bank of America
195 shared technologies
CrowdStrike
212 shared technologies
State Street
223 shared technologies
Bank of Montreal
172 shared technologies
Zscaler
182 shared technologies
Questions about the F5 tech stack
What programming languages does F5 use?
The languages named in F5 job postings are Python (44%), Go (15%), JavaScript (11%), SQL (10%), Java (9%), as a share of the 202 postings of the last 12 months.
Does F5 use LangChain?
Yes. LangChain is named in 17 of 202 job postings (8%) and required in 12 of them.
What cloud and platforms does F5 use?
The cloud and platforms named in F5 job postings are Kubernetes (89), AWS (66), Azure (64) (postings in brackets).
What skills do you need for a Solutions job at F5?
Solutions postings at F5 most often require Kubernetes (25), Python (12), OpenShift (11), AWS (10), out of 38 postings in the last 12 months.
Is the F5 tech stack changing?
Yes. JAX, Pytest, Transformers, LoRA first appeared in F5 job postings in the last six months.
How modern is the F5 tech stack?
F5 scores 80 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: 7; 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 202 postings of the last 12 months and were updated on Sep 27, 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: 275 technologies from 202 job postings", as of Sep 27, 2026. https://alion.io/company/ffive/technologies