Cross River tech stack
Cross River builds mostly with Python, C#, SQL, JavaScript. Its stack also includes AWS, .NET, PostgreSQL, Entity Framework Core. Python is named in 12 of the 25 job postings Cross River published in the last 12 months (48%). Counted by Alion from the job postings of Cross River, updated Nov 15, 2026.
What programming languages does Cross River use?
Python is named in 48% of job postings at Cross River, followed by C# (44%), SQL (44%), JavaScript (24%).
Python
12 48%
C#
11 44%
SQL
11 44%
JavaScript
6 24%
TypeScript
3 12%
PowerShell
3 12%
Bash
2 8%
Node JS
1 4%
Show all (9)
What frameworks and libraries does Cross River use?
Entity Framework Core is named in 16% of job postings at Cross River, followed by React.js (12%), Angular (4%), Cucumber (4%).
Entity Framework Core
4 16%
React.js
3 12%
Angular
1 4%
Cucumber
1 4%
Cypress
1 4%
LangChain
1 4%
Next.js
1 4%
Playwright
1 4%
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What databases does Cross River use?
PostgreSQL is named in 24% of job postings at Cross River, followed by Amazon DocumentDB (4%), DynamoDB (4%), MS SQL (4%).
What cloud and platforms does Cross River use?
AWS is named in 48% of job postings at Cross River, followed by .NET (28%), Azure (24%), RabbitMQ (20%).
AWS
12 48%
.NET
7 28%
Azure
6 24%
RabbitMQ
5 20%
Kubernetes
3 12%
AWS Lambda
2 8%
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What developer tools does Cross River use?
Docker is named in 28% of job postings at Cross River, followed by Copilot (24%), Terraform (24%), Claude Code (20%).
Docker
7 28%
Copilot
6 24%
Terraform
6 24%
Claude Code
5 20%
Cursor
5 20%
Rest API
5 20%
CloudFormation
2 8%
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What AI and ML technologies does Cross River use?
LLM is named in 12% of job postings at Cross River, followed by Claude (4%).
Which engineering practices does Cross River ask for?
CI/CD is named in 28% of job postings at Cross River, followed by Machine Learning (16%), AI Agents (12%), Prompt Engineering (12%).
CI/CD
7 28%
AI Agents
3 12%
Prompt Engineering
3 12%
RAG
3 12%
Chaos Engineering
2 8%
Show all (23)
What does each Cross River team work with?
The technologies each team's postings require most often, with the number of postings that require them.
QA
5 postingsBackend
5 postingsHow does your stack fit Cross River?
How is the Cross River 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 Cross River stack?
Cross River 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: 2; legacy ones: 0.
How common is the Cross River stack in its industry?
Share of the 3,197 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Cross River apart
Companies with a stack like Cross River
Questions about the Cross River tech stack
What programming languages does Cross River use?
The languages named in Cross River job postings are Python (48%), C# (44%), SQL (44%), JavaScript (24%), TypeScript (12%), as a share of the 25 postings of the last 12 months.
Does Cross River use Entity Framework Core?
Yes. Entity Framework Core is named in 4 of 25 job postings (16%) and required in 2 of them.
What cloud and platforms does Cross River use?
The cloud and platforms named in Cross River job postings are AWS (12), .NET (7), Azure (6) (postings in brackets).
What skills do you need for a QA job at Cross River?
QA postings at Cross River most often require C# (3), Python (2), Rest API (2), TypeScript (2), out of 5 postings in the last 12 months.
Is the Cross River tech stack changing?
Yes. Azure DevOps, Amazon CloudWatch, DNS, Bash first appeared in Cross River job postings in the last six months.
How modern is the Cross River tech stack?
Cross River 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: 2; legacy ones: 0.
How does Alion know the Cross River tech stack?
Alion reads every job posting Cross River publishes and tags the technologies each one names. The figures on this page count the 25 postings of the last 12 months and were updated on Nov 15, 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, "Cross River tech stack: 101 technologies from 25 job postings", as of Nov 15, 2026. https://alion.io/company/crossriver/technologies