Flex tech stack
Flex builds mostly with TypeScript, Python, SQL, Go. Its stack also includes GCP, PostgreSQL, AWS. TypeScript is named in 5 of the 10 job postings Flex published in the last 12 months (50%). Counted by Alion from the job postings of Flex, updated Sep 27, 2026.
What programming languages does Flex use?
TypeScript is named in 50% of job postings at Flex, followed by Python (40%), SQL (20%), Go (10%).
SAS 
What cloud and platforms does Flex use?
GCP is named in 40% of job postings at Flex, followed by AWS (10%), Okta (10%), Perplexity (10%).
What developer tools does Flex use?
Kong is named in 10% of job postings at Flex, followed by Microsoft Excel (10%), Terraform (10%).
What AI and ML technologies does Flex use?
ChatGPT is named in 10% of job postings at Flex, followed by LLM (10%), Claude (10%).
Which engineering practices does Flex ask for?
Trunk-Based Development is named in 30% of job postings at Flex, followed by CI/CD (10%), IAM (10%), LLM Guardrails (10%).
How does your stack fit Flex?
How is the Flex 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 Flex stack?
Flex scores 87 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 common is the Flex stack in its industry?
Share of the 678 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Flex
Questions about the Flex tech stack
What programming languages does Flex use?
The languages named in Flex job postings are TypeScript (50%), Python (40%), SQL (20%), Go (10%), SAS (10%), as a share of the 10 postings of the last 12 months.
Does Flex use GCP?
Yes. GCP is named in 4 of 10 job postings (40%) and required in 1 of them.
What cloud and platforms does Flex use?
The cloud and platforms named in Flex job postings are GCP (4), AWS (1), Okta (1) (postings in brackets).
Is the Flex tech stack changing?
Yes. SQL, Python first appeared in Flex job postings in the last six months.
How modern is the Flex tech stack?
Flex scores 87 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 Flex tech stack?
Alion reads every job posting Flex 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 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, "Flex tech stack: 25 technologies from 10 job postings", as of Sep 27, 2026. https://alion.io/company/flex-one/technologies