JIJ tech stack
JIJ builds mostly with Python, Rust, JavaScript, Node JS. Its stack also includes GitHub, Qiskit, PennyLane, CUDA Toolkit. Python is named in 6 of the 7 job postings JIJ published in the last 12 months (86%). Counted by Alion from the job postings of JIJ, updated Oct 1, 2026.
What programming languages does JIJ use?
Python is named in 86% of job postings at JIJ, followed by Rust (57%), JavaScript (14%), Node JS (14%).
What frameworks and libraries does JIJ use?
Qiskit is named in 71% of job postings at JIJ, followed by PennyLane (57%), CUDA (29%), FastAPI (14%).
Qiskit
5 71%
PennyLane
4 57%
FastAPI
1 14%
Jest
1 14%
Laravel
1 14%
Nest.JS
1 14%
Next.js
1 14%
Show all (12)
What cloud and platforms does JIJ use?
GitHub is named in 86% of job postings at JIJ, followed by CUDA Toolkit (29%), AWS (14%), Amazon ECS (14%).
GitHub
6 86%
CUDA Toolkit
2 29%
AWS
1 14%
Azure
1 14%
Datadog
1 14%
GCP
1 14%
GitHub Actions
1 14%
Show all (9)
What developer tools does JIJ use?
Adobe Photoshop is named in 14% of job postings at JIJ, followed by Copilot (14%), Docker (14%).
What AI and ML technologies does JIJ use?
Claude is named in 29% of job postings at JIJ.
Claude
2 29%
Which engineering practices does JIJ ask for?
CI/CD is named in 14% of job postings at JIJ, followed by AI Agents (14%), DNS (14%), Machine Learning (14%).
What does each JIJ team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit JIJ?
How modern is the JIJ stack?
JIJ 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: 1; legacy ones: 0.
Companies with a stack like JIJ
Questions about the JIJ tech stack
What programming languages does JIJ use?
The languages named in JIJ job postings are Python (86%), Rust (57%), JavaScript (14%), Node JS (14%), TypeScript (14%), as a share of the 7 postings of the last 12 months.
Does JIJ use Qiskit?
Yes. Qiskit is named in 5 of 7 job postings (71%) and required in 5 of them.
What cloud and platforms does JIJ use?
The cloud and platforms named in JIJ job postings are GitHub (6), CUDA Toolkit (2), AWS (1) (postings in brackets).
What skills do you need for a Backend job at JIJ?
Backend postings at JIJ most often require GitHub (3), Python (3), Rust (3), PennyLane (2), out of 3 postings in the last 12 months.
Is the JIJ tech stack changing?
No new technology has appeared in JIJ job postings in the last six months.
How modern is the JIJ tech stack?
JIJ 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: 1; legacy ones: 0.
How does Alion know the JIJ tech stack?
Alion reads every job posting JIJ publishes and tags the technologies each one names. The figures on this page count the 7 postings of the last 12 months and were updated on Oct 1, 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, "JIJ tech stack: 37 technologies from 7 job postings", as of Oct 1, 2026. https://alion.io/company/j-ij/technologies