Flex tech stack
Flex builds mostly with SQL, Python, C#, JavaScript. Its stack also includes Power BI, Linux, MS SQL, MySQL. SQL is named in 89 of the 544 job postings Flex published in the last 12 months (16%). Counted by Alion from the job postings of Flex, updated Nov 10, 2026.
What programming languages does Flex use?
SQL is named in 16% of job postings at Flex, followed by Python (14%), C# (6%), JavaScript (3%).
C# 
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What frameworks and libraries does Flex use?
Angular is named in 1% of job postings at Flex, followed by ASP.NET Core (1%), Entity Framework Core (1%), LangChain (<1%).
Angular
7 1%
ASP.NET Core
4 1%
LangChain
2 <1%
LangGraph
2 <1%
Pandas
2 <1%
Bootstrap
1 <1%
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What databases does Flex use?
MS SQL is named in 4% of job postings at Flex, followed by MySQL (1%), Snowflake (1%), PostgreSQL (1%).
MS SQL
21 4%
MySQL
8 1%
Snowflake
8 1%
PostgreSQL
5 1%
Oracle
5 1%
ElasticSearch
4 1%
InfluxDB
3 1%
Cassandra
2 <1%
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What cloud and platforms does Flex use?
Power BI is named in 7% of job postings at Flex, followed by Linux (5%), AWS (4%), Azure (4%).
Power BI
36 7%
AWS
24 4%
Azure
21 4%
.NET
16 3%
Tableau
12 2%
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What developer tools does Flex use?
Microsoft Excel is named in 28% of job postings at Flex, followed by AutoCAD (11%), SolidWorks (10%), Mandiant capa (2%).
AutoCAD
60 11%
SolidWorks
53 10%
Rest API
8 1%
Git
7 1%
Copilot
6 1%
MQTT
6 1%
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And 15 more, each named in fewer postings.
What AI and ML technologies does Flex use?
ChatGPT is named in 1% of job postings at Flex, followed by Claude (1%), Gemini (<1%), LLM (<1%).
Which engineering practices does Flex ask for?
CAPA is named in 9% of job postings at Flex, followed by FMEA (6%), Statistical Process Control (4%), Master Data Management (3%).
CI/CD
9 2%
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And 5 more, each named in fewer postings.
What other technologies does Flex use?
ABAP Objects is named in <1% of job postings at Flex.
What does each Flex team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Industrial Engineering
187 postingsField & Service
61 postingsOperations
56 postingsAnalytics
42 postingsFinance
29 postingsManagement
28 postingsHow does your stack fit Flex?
How much does Flex pay by technology?
Median stated pay of the postings that name each technology, against the median of all Flex postings with stated pay: $124k across 66 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| SQL | 7 | $137k | +11% |
| Power BI | 6 | $109k | −12% |
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 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: 4; legacy ones: 1.
How common is the Flex stack in its industry?
Share of the 801 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Flex apart
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 SQL (16%), Python (14%), C# (6%), JavaScript (3%), C++ (2%), as a share of the 544 postings of the last 12 months.
Does Flex use Angular?
Yes. Angular is named in 7 of 544 job postings (1%) and required in 7 of them.
What cloud and platforms does Flex use?
The cloud and platforms named in Flex job postings are Power BI (36), Linux (28), AWS (24) (postings in brackets).
What skills do you need for a Industrial Engineering job at Flex?
Industrial Engineering postings at Flex most often require SolidWorks (35), Microsoft Excel (34), AutoCAD (30), Python (9), out of 187 postings in the last 12 months.
Is the Flex tech stack changing?
Yes. Battery Management Systems, ISO 13485, Minitab, GMP first appeared in Flex job postings in the last six months.
How modern is the Flex tech stack?
Flex 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: 4; legacy ones: 1.
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 544 postings of the last 12 months and were updated on Nov 10, 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: 203 technologies from 544 job postings", as of Nov 10, 2026. https://alion.io/company/flex-com/technologies