Irwin tech stack
Irwin builds mostly with Python, SQL, Java, JavaScript. Its stack also includes AWS, Kubernetes, Snowflake, NumPy. Python is named in 31 of the 43 job postings Irwin published in the last 12 months (72%). Counted by Alion from the job postings of Irwin, updated Oct 3, 2026.
What programming languages does Irwin use?
Python is named in 72% of job postings at Irwin, followed by SQL (33%), Java (19%), JavaScript (12%).
C# 
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What frameworks and libraries does Irwin use?
NumPy is named in 12% of job postings at Irwin, followed by Pandas (12%), OpenTelemetry (9%), FastAPI (7%).
NumPy
5 12%
Pandas
5 12%
OpenTelemetry
4 9%
FastAPI
3 7%
Transformers
3 7%
Flask
3 7%
Django
2 5%
LangChain
2 5%
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What databases does Irwin use?
Snowflake is named in 12% of job postings at Irwin, followed by Delta Lake (9%), PostgreSQL (7%), MS SQL (7%).
Snowflake
5 12%
Delta Lake
4 9%
PostgreSQL
3 7%
MS SQL
3 7%
MySQL
3 7%
DynamoDB
3 7%
ElasticSearch
2 5%
Amazon Redshift
2 5%
Show all (15)
What cloud and platforms does Irwin use?
AWS is named in 58% of job postings at Irwin, followed by Kubernetes (35%), GCP (28%), GitHub Actions (23%).
AWS
25 58%
Kubernetes
15 35%
GCP
12 28%
GitHub Actions
10 23%
Azure
10 23%
AWS Lambda
8 19%
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And 7 more, each named in fewer postings.
What developer tools does Irwin use?
Terraform is named in 35% of job postings at Irwin, followed by Ansible (23%), Docker (23%), Jenkins (12%).
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What AI and ML technologies does Irwin use?
LLM is named in 9% of job postings at Irwin, followed by Llama (5%), ChatGPT (2%), Claude (2%).
Which engineering practices does Irwin ask for?
CI/CD is named in 30% of job postings at Irwin, followed by Platform Engineering (14%), NLP (12%), ETL/ELT (9%).
CI/CD
13 30%
Platform Engineering
6 14%
NLP
5 12%
Prompt Engineering
3 7%
RAG
3 7%
Show all (29)
What does each Irwin team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
15 postingsDevOps
9 postingsHow does your stack fit Irwin?
How is the Irwin 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 Irwin stack?
Irwin scores 82 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: 6; legacy ones: 0.
How common is the Irwin stack in its industry?
Share of the 2,513 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Irwin apart
Companies with a stack like Irwin
Questions about the Irwin tech stack
What programming languages does Irwin use?
The languages named in Irwin job postings are Python (72%), SQL (33%), Java (19%), JavaScript (12%), C# (9%), as a share of the 43 postings of the last 12 months.
Does Irwin use NumPy?
Yes. NumPy is named in 5 of 43 job postings (12%) and required in 4 of them.
What cloud and platforms does Irwin use?
The cloud and platforms named in Irwin job postings are AWS (25), Kubernetes (15), GCP (12) (postings in brackets).
What skills do you need for a Backend job at Irwin?
Backend postings at Irwin most often require Python (12), AWS (8), Java (5), Amazon S3 (4), out of 15 postings in the last 12 months.
Is the Irwin tech stack changing?
Yes. PyTorch, TensorFlow, PostgreSQL, Amazon Redshift first appeared in Irwin job postings in the last six months.
How modern is the Irwin tech stack?
Irwin scores 82 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: 6; legacy ones: 0.
How does Alion know the Irwin tech stack?
Alion reads every job posting Irwin publishes and tags the technologies each one names. The figures on this page count the 43 postings of the last 12 months and were updated on Oct 3, 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, "Irwin tech stack: 176 technologies from 43 job postings", as of Oct 3, 2026. https://alion.io/company/getirwin/technologies