J&F tech stack
J&F builds mostly with Python, TypeScript, JavaScript, Node JS. Its stack also includes AWS, PostgreSQL, Angular, React.js. Python is named in 4 of the 5 job postings J&F published in the last 12 months (80%). Counted by Alion from the job postings of J&F, updated Oct 1, 2026.
What programming languages does J&F use?
Python is named in 80% of job postings at J&F, followed by TypeScript (80%), JavaScript (60%), Node JS (40%).
C# 
What frameworks and libraries does J&F use?
Angular is named in 40% of job postings at J&F, followed by React.js (40%), AutoGen (20%), Celery (20%).
Angular
2 40%
React.js
2 40%
AutoGen
1 20%
Celery
1 20%
CrewAI
1 20%
FastAPI
1 20%
Flask
1 20%
LangChain
1 20%
Show all (9)
What databases does J&F use?
PostgreSQL is named in 40% of job postings at J&F, followed by Pinecone (20%), Qdrant (20%), Weaviate (20%).
What cloud and platforms does J&F use?
AWS is named in 60% of job postings at J&F, followed by .NET (20%), API Gateway (20%), AWS Lambda (20%).
AWS
3 60%
.NET
1 20%
AWS Lambda
1 20%
Amazon EC2
1 20%
Azure
1 20%
Show all (9)
What developer tools does J&F use?
Git is named in 60% of job postings at J&F, followed by AutoCAD (40%), Docker (20%), Rest API (20%).
What AI and ML technologies does J&F use?
Claude is named in 20% of job postings at J&F, followed by LLM (20%), LoRA (20%), QLoRA (20%).
Which engineering practices does J&F ask for?
CI/CD is named in 80% of job postings at J&F, followed by AI Agents (20%), IAM (20%), Machine Learning (20%).
CI/CD
4 80%
AI Agents
1 20%
Prompt Engineering
1 20%
RAG
1 20%
What does each J&F 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 J&F?
How modern is the J&F stack?
J&F scores 92 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: 5; legacy ones: 0.
How common is the J&F stack in its industry?
Share of the 644 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like J&F
Meraki Labs
39 shared technologies
Mobile Programming
37 shared technologies
Sunovaa Tech
40 shared technologies
Codechavo Global
37 shared technologies
Jinendra infotech pvt
38 shared technologies
Glauben Technologies
36 shared technologies
FUNIC TECH PRIVATE LIMITED
39 shared technologies
Espire Infolabs
38 shared technologies
Questions about the J&F tech stack
What programming languages does J&F use?
The languages named in J&F job postings are Python (80%), TypeScript (80%), JavaScript (60%), Node JS (40%), C# (20%), as a share of the 5 postings of the last 12 months.
Does J&F use Angular?
Yes. Angular is named in 2 of 5 job postings (40%) and required in 2 of them.
What cloud and platforms does J&F use?
The cloud and platforms named in J&F job postings are AWS (3), .NET (1), API Gateway (1) (postings in brackets).
What skills do you need for a Backend job at J&F?
Backend postings at J&F most often require Python (3), AWS (2), PostgreSQL (2), out of 3 postings in the last 12 months.
Is the J&F tech stack changing?
No new technology has appeared in J&F job postings in the last six months.
How modern is the J&F tech stack?
J&F scores 92 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: 5; legacy ones: 0.
How does Alion know the J&F tech stack?
Alion reads every job posting J&F publishes and tags the technologies each one names. The figures on this page count the 5 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, "J&F tech stack: 46 technologies from 5 job postings", as of Oct 1, 2026. https://alion.io/company/j-and-f/technologies