Version 1 tech stack
Version 1 builds mostly with SQL, JavaScript, Python, C#. Its stack also includes AWS, Snowflake, Azure, Oracle. AWS is named in 454 of the 454 job postings Version 1 published in the last 12 months (100%). Counted by Alion from the job postings of Version 1, updated Nov 11, 2026.
What programming languages does Version 1 use?
SQL is named in 24% of job postings at Version 1, followed by JavaScript (22%), Python (21%), C# (17%).
SQL
111 24%
JavaScript
101 22%
Python
97 21%
C#
79 17%
TypeScript
73 16%
Java
55 12%
PowerShell
24 5%
Node JS
18 4%
Show all (15)
What frameworks and libraries does Version 1 use?
Angular is named in 10% of job postings at Version 1, followed by React.js (6%), Spring Framework (4%), ASP.NET Core (4%).
Angular
46 10%
React.js
28 6%
Spring Framework
16 4%
ASP.NET Core
16 4%
Selenium
15 3%
LangChain
15 3%
Cypress
14 3%
Hibernate
13 3%
Show all (46)
And 6 more, each named in fewer postings.
What databases does Version 1 use?
Snowflake is named in 87% of job postings at Version 1, followed by Oracle (29%), PostgreSQL (6%), MS SQL (4%).
Snowflake
395 87%
Oracle
131 29%
PostgreSQL
26 6%
MS SQL
19 4%
MySQL
12 3%
Azure SQL Database
12 3%
DynamoDB
5 1%
Redis
5 1%
Show all (12)
What cloud and platforms does Version 1 use?
AWS is named in 100% of job postings at Version 1, followed by Azure (37%), Azure DevOps (15%), Kubernetes (12%).
AWS
454 100%
Azure
167 37%
Azure DevOps
69 15%
Kubernetes
56 12%
.NET
45 10%
Power BI
29 6%
GitHub
27 6%
Show all (76)
And 36 more, each named in fewer postings.
What developer tools does Version 1 use?
Rest API is named in 15% of job postings at Version 1, followed by Git (14%), Docker (10%), Terraform (9%).
Rest API
70 15%
Git
62 14%
Docker
46 10%
Terraform
39 9%
Jenkins
28 6%
Copilot
28 6%
Bicep
13 3%
Show all (50)
And 10 more, each named in fewer postings.
What AI and ML technologies does Version 1 use?
LLM is named in 3% of job postings at Version 1, followed by Claude (3%).
Which engineering practices does Version 1 ask for?
CI/CD is named in 27% of job postings at Version 1, followed by AI Agents (7%), ETL/ELT (6%), RAG (4%).
CI/CD
124 27%
AI Agents
33 7%
RAG
20 4%
Prompt Engineering
17 4%
Show all (43)
And 3 more, each named in fewer postings.
What does each Version 1 team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
69 postingsEnterprise Apps
69 postingsDevOps
62 postingsProduct
49 postingsData Science
30 postingsQA
23 postingsHow does your stack fit Version 1?
How much does Version 1 pay by technology?
Median stated pay of the postings that name each technology, against the median of all Version 1 postings with stated pay: $87k across 62 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| AWS | 62 | $87k | 0% |
| Snowflake | 60 | $87k | 0% |
| Azure | 29 | $87k | 0% |
| SQL | 21 | $87k | 0% |
| JavaScript | 20 | $87k | 0% |
| TypeScript | 19 | $87k | 0% |
| Oracle | 17 | $87k | 0% |
| Python | 16 | $87k | 0% |
| Angular | 16 | $87k | 0% |
| C# | 15 | $98k | +13% |
How is the Version 1 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 Version 1 stack?
Version 1 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: 2; legacy ones: 0.
How common is the Version 1 stack in its industry?
Share of the 7,855 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Version 1 apart
Companies with a stack like Version 1
Questions about the Version 1 tech stack
What programming languages does Version 1 use?
The languages named in Version 1 job postings are SQL (24%), JavaScript (22%), Python (21%), C# (17%), TypeScript (16%), as a share of the 454 postings of the last 12 months.
Does Version 1 use Angular?
Yes. Angular is named in 46 of 454 job postings (10%) and required in 34 of them.
What cloud and platforms does Version 1 use?
The cloud and platforms named in Version 1 job postings are AWS (454), Azure (167), Azure DevOps (69) (postings in brackets).
What skills do you need for a Backend job at Version 1?
Backend postings at Version 1 most often require AWS (69), Snowflake (69), SQL (35), Git (33), out of 69 postings in the last 12 months.
Is the Version 1 tech stack changing?
Yes. Perl, LLMOps, Hangfire, Windsurf first appeared in Version 1 job postings in the last six months.
How modern is the Version 1 tech stack?
Version 1 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: 2; legacy ones: 0.
How does Alion know the Version 1 tech stack?
Alion reads every job posting Version 1 publishes and tags the technologies each one names. The figures on this page count the 454 postings of the last 12 months and were updated on Nov 11, 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, "Version 1 tech stack: 244 technologies from 454 job postings", as of Nov 11, 2026. https://alion.io/company/version1/technologies