Version 1 tech stack

Version 1 builds mostly with JavaScript, SQL, Python, TypeScript. Its stack also includes AWS, Snowflake, Azure, Oracle. AWS is named in 286 of the 286 job postings Version 1 published in the last 12 months (100%). Counted by Alion from the job postings of Version 1, updated Sep 27, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 27, 2026
Technologies in use
218
Postings analysed
286
Open now
106
Modernity
78 /100
New in 6 months
8

What programming languages does Version 1 use?

JavaScript is named in 24% of job postings at Version 1, followed by SQL (23%), Python (22%), TypeScript (20%).

JavaScript 68 24% required in 69% · 30 open now · since Feb 2025
SQL 66 23% required in 89% · 20 open now · since Feb 2025
Python 63 22% required in 73% · 14 open now · since Feb 2025
TypeScript 57 20% required in 75% · 25 open now · since Feb 2025
C# 47 16% required in 85% · 19 open now · since Feb 2026
Java 40 14% required in 73% · 12 open now · since Feb 2025
Node JS 17 6% required in 88% · 6 open now · since Feb 2025
PowerShell 16 6% required in 69% · 3 open now · since Apr 2026
Show all (14)
Bash6
Go3
Kotlin3
COBOL2
Assembly1
Groovy1

What frameworks and libraries does Version 1 use?

Angular is named in 12% of job postings at Version 1, followed by React.js (9%), Spring Framework (5%), Cypress (3%).

Angular 34 12% required in 76% · 12 open now · since Feb 2025
React.js 25 9% required in 96% · 10 open now · since Feb 2025
Spring Framework 13 5% required in 92% · 4 open now · since Jun 2025
Cypress 10 3% required in 100% · 4 open now · since Feb 2026
Hibernate 10 3% required in 70% · 3 open now · since Feb 2025
Selenium 9 3% required in 100% · 3 open now · since Feb 2026
Vue.js 8 3% required in 100% · 2 open now · since Feb 2025
Playwright 7 2% required in 100% · 4 open now · since Jul 2026
Show all (40)
Express7
LangChain7
Spring Boot6
ASP.NET Core5
FastAPI5
Next.js4
Rest-Assured4
pgvector4
D3.js3
Dapper3
Entity Framework Core3
JQuery3
Jest3
Hadoop3
CrewAI3
JUnit3
PyTorch3
TensorFlow3
Django2
Redux2
Svelte2
LangGraph2
Appium1
Blazor1
LlamaIndex1
MAUI1
React Native1
Redux Toolkit1
SignalR1
WebDriverIO1
AutoGen1
Boto31

What databases does Version 1 use?

Snowflake is named in 88% of job postings at Version 1, followed by Oracle (28%), PostgreSQL (6%), Azure SQL Database (3%).

Snowflake 253 88% required in 100% · 95 open now · since Feb 2025
Oracle 80 28% required in 100% · 23 open now · since Feb 2026
PostgreSQL 18 6% required in 100% · 2 open now · since Jun 2025
Azure SQL Database 10 3% required in 70% · 2 open now · since Jul 2026
MS SQL 10 3% required in 50% · 5 open now · since Jul 2026
MySQL 8 3% required in 100% · 2 open now · since Apr 2026
Redis 5 2% required in 100% · since May 2026
Amazon Aurora 2 1% required in 100% · since Jul 2026
Show all (13)
BigQuery2
DynamoDB2
Google BigQuery2
Azure Cosmos DB1
Delta Lake1

What cloud and platforms does Version 1 use?

AWS is named in 100% of job postings at Version 1, followed by Azure (35%), Kubernetes (14%), Azure DevOps (14%).

AWS 286 100% required in 100% · 106 open now · since Feb 2025
Azure 101 35% required in 75% · 45 open now · since Feb 2025
Kubernetes 40 14% required in 80% · 13 open now · since Feb 2025
Azure DevOps 40 14% required in 75% · 15 open now · since Feb 2026
.NET 30 10% required in 63% · 11 open now · since Feb 2026
GCP 19 7% required in 68% · 8 open now · since Jun 2026
Databricks 18 6% required in 83% · 6 open now · since Jul 2026
GitHub 17 6% required in 88% · 2 open now · since Sep 2025
Show all (66)
AWS Lambda16
Active Directory15
Microsoft Entra ID15
GitHub Actions13
Amazon S313
Power BI13
Red Hat11
Amazon EC211
Amazon SageMaker11
Linux11
Windows11
Figma10
Spark10
Microsoft Fabric10
AWS Bedrock9
API Gateway9
AWS Bedrock AgentCore7
OpenShift7
Amazon CloudWatch7
SIEM7
Windows Server6
Amazon EKS5
SonarQube5
AWS Step Functions4
Anthropic4
DLP4
Apache Kafka4
Unix4
Amazon ECS3
Azure AKS3
CentOS Stream3
CyberArk3

And 26 more, each named in fewer postings.

What developer tools does Version 1 use?

Git is named in 14% of job postings at Version 1, followed by Docker (12%), Rest API (12%), Terraform (10%).

Git 39 14% required in 95% · 16 open now · since Jan 2026
Docker 33 12% required in 79% · 11 open now · since Feb 2025
Rest API 33 12% required in 70% · 12 open now · since Jan 2026
Terraform 30 10% required in 90% · 5 open now · since Mar 2026
Jenkins 16 6% required in 81% · 5 open now · since Feb 2025
Copilot 13 5% required in 77% · 5 open now · since Mar 2026
Bicep 8 3% required in 100% · 2 open now · since Mar 2026
Microsoft Excel 8 3% required in 100% · 4 open now · since Jul 2026
Show all (42)
Apache Tomcat7
Semantic Kernel7
GraphQL6
Azure Data Factory5
Helm5
pySpark5
CloudFormation5
Maven4
Keycloak3
WebSockets3
xUnit3
JMeter3
SSIS3
AWS CDK2
Adobe XD2
Ansible2
Cursor2
Gradle2
Model Context Protocol2
Sketch2
dbt2
Prometheus2
k62
OpenROAD Project2
Claude Code1
FortiGate1
Gatling1
Oracle Data Integrator1
Packer1
TestRail1
ArgoCD1
Checkov1

And 2 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 (1%).

LLM 8 3% required in 75% · since Jun 2026
Claude 4 1% required in 50% · 2 open now · since May 2026

Which engineering practices does Version 1 ask for?

CI/CD is named in 28% of job postings at Version 1, followed by ETL/ELT (7%), AI Agents (6%), IAM (4%).

CI/CD 80 28% required in 78% · 31 open now · since Feb 2025
ETL/ELT 19 7% required in 74% · 4 open now · since Jun 2026
AI Agents 16 6% required in 81% · 4 open now · since Mar 2026
IAM 11 4% required in 91% · 2 open now · since Jun 2026
Prompt Engineering 11 4% required in 82% · 1 open now · since May 2026
Embeddings 10 3% required in 80% · 1 open now · since Jun 2026
Machine Learning 10 3% required in 80% · 2 open now · since Jun 2026
RAG 9 3% required in 100% · 1 open now · since Jun 2026
Show all (41)
SLI/SLO/SLA7
EU AI Act7
Hallucination7
DNS6
Tokenization6
DHCP5
TCP/IP5
Function Calling4
Master Data Management4
Multi-Agent Systems4
SOAP4
Incident Management3
MVVM3
VPN3
Configuration Management3
Agentic Workflows2
Semantic Search2
Semantic Search2
Service Mesh2
State Management2
Shift-Left2
Computer Vision2
Recommender Systems2
BGP1
Dimensional Modeling1
Fine-tuning1
Human-in-the-Loop1
Hybrid Search1
Knowledge Graph1
OSPF1
Platform Engineering1
DPO1

And 1 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.

DevOps

52 postings
AWS52
Snowflake34
Oracle22
Python11
Azure10
Terraform9

Backend

47 postings
AWS47
Snowflake47
SQL24
Git23
Azure19
C#19

Product

33 postings
AWS33
Snowflake30
Azure8
Oracle6
Azure DevOps4
C#2

Data Science

23 postings
AWS23
Snowflake23
SQL17
Oracle11
Python10
Azure8

Solutions

19 postings
AWS19
Snowflake16
Oracle6
Azure DevOps2

Enterprise Apps

15 postings
AWS15
Snowflake15
C#9
JavaScript7
TypeScript7
.NET6

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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.

TechnologyPostings with payMedianvs company median
AWS62$87k0%
Snowflake60$87k0%
Azure29$87k0%
SQL21$87k0%
JavaScript20$87k0%
TypeScript19$87k0%
Oracle17$87k0%
Python16$87k0%
Angular16$87k0%
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.

First appeared
Semantic SearchSep 2026
Semantic SearchSep 2026
LangGraphSep 2026
BigQuerySep 2026
Google BigQuerySep 2026
AnthropicSep 2026
Multi-Agent SystemsAug 2026
Computer VisionAug 2026
Rising
Azure DevOps4% → 15%
Oracle19% → 29%
C#7% → 17%
TypeScript11% → 20%
Databricks0% → 7%
Node JS0% → 7%
Docker7% → 12%
Amazon SageMaker0% → 4%
Falling
Windows22% → 2%
Active Directory19% → 4%
DNS11% → 1%
DHCP11% → 1%
TCP/IP11% → 1%
GCP15% → 6%
Java22% → 14%
Red Hat11% → 3%
Not named for 6 months
Model Context ProtocolJan 2026

How modern is the Version 1 stack?

Cutting-edge AI adopter 78/100

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 1,418 companies in the same industries, whose stack Alion knows, that use each technology.

AWS45%
Snowflake17%
Azure53%
Oracle17%
JavaScript48%
SQL55%
Python52%
TypeScript37%
C#30%
Azure DevOps25%

What sets Version 1 apart

AWS Bedrock AgentCore2%
Express4%

Questions about the Version 1 tech stack

What programming languages does Version 1 use?

The languages named in Version 1 job postings are JavaScript (24%), SQL (23%), Python (22%), TypeScript (20%), C# (16%), as a share of the 286 postings of the last 12 months.

Does Version 1 use Angular?

Yes. Angular is named in 34 of 286 job postings (12%) and required in 26 of them.

What cloud and platforms does Version 1 use?

The cloud and platforms named in Version 1 job postings are AWS (286), Azure (101), Kubernetes (40) (postings in brackets).

What skills do you need for a DevOps job at Version 1?

DevOps postings at Version 1 most often require AWS (52), Snowflake (34), Oracle (22), Python (11), out of 52 postings in the last 12 months.

Is the Version 1 tech stack changing?

Yes. Semantic Search, Semantic Search, LangGraph, BigQuery 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 286 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, "Version 1 tech stack: 218 technologies from 286 job postings", as of Sep 27, 2026. https://alion.io/company/version1/technologies

Licence: CC BY-SA 4.0JSON