JR West tech stack
JR West builds mostly with Kotlin, Python, TypeScript. Its stack also includes AWS, GCP. VLM is named in 2 of the 3 job postings JR West published in the last 12 months (67%). Counted by Alion from the job postings of JR West, updated Oct 16, 2026.
What programming languages does JR West use?
Kotlin is named in 33% of job postings at JR West, followed by Python (33%), TypeScript (33%).
What cloud and platforms does JR West use?
AWS is named in 33% of job postings at JR West, followed by GCP (33%), GitHub (33%), GitHub Actions (33%).
What developer tools does JR West use?
Docker is named in 33% of job postings at JR West, followed by Pulumi (33%), Terraform (33%).
What AI and ML technologies does JR West use?
VLM is named in 67% of job postings at JR West, followed by LLM (33%).
How does your stack fit JR West?
How modern is the JR West stack?
JR West scores 90 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 JR West stack in its industry?
Share of the 466 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like JR West
Questions about the JR West tech stack
What programming languages does JR West use?
The languages named in JR West job postings are Kotlin (33%), Python (33%), TypeScript (33%), as a share of the 3 postings of the last 12 months.
What cloud and platforms does JR West use?
The cloud and platforms named in JR West job postings are AWS (1), GCP (1), GitHub (1) (postings in brackets).
Is the JR West tech stack changing?
No new technology has appeared in JR West job postings in the last six months.
How modern is the JR West tech stack?
JR West scores 90 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 JR West tech stack?
Alion reads every job posting JR West publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Oct 16, 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, "JR West tech stack: 12 technologies from 3 job postings", as of Oct 16, 2026. https://alion.io/company/westjr/technologies