Nineleaps tech stack
Nineleaps builds mostly with Python, SQL, JavaScript, Node JS. Its stack also includes PostgreSQL, AWS, GCP, MySQL. Python is named in 12 of the 16 job postings Nineleaps published in the last 12 months (75%). Counted by Alion from the job postings of Nineleaps, updated Nov 12, 2026.
What programming languages does Nineleaps use?
Python is named in 75% of job postings at Nineleaps, followed by SQL (69%), JavaScript (31%), Node JS (25%).
What frameworks and libraries does Nineleaps use?
React.js is named in 25% of job postings at Nineleaps, followed by LangChain (19%), LangGraph (19%), AutoGen (13%).
React.js
4 25%
LangChain
3 19%
LangGraph
3 19%
AutoGen
2 13%
CrewAI
2 13%
FastAPI
2 13%
Flask
2 13%
SQLAlchemy
2 13%
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What databases does Nineleaps use?
PostgreSQL is named in 38% of job postings at Nineleaps, followed by MySQL (31%), ElasticSearch (6%), Google BigQuery (6%).
What cloud and platforms does Nineleaps use?
AWS is named in 31% of job postings at Nineleaps, followed by GCP (31%), Kubernetes (31%), Azure (31%).
AWS
5 31%
GCP
5 31%
Kubernetes
5 31%
Azure
5 31%
AWS Lambda
2 13%
Airflow
2 13%
Amazon EKS
2 13%
Azure AKS
2 13%
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What developer tools does Nineleaps use?
Git is named in 44% of job postings at Nineleaps, followed by Rest API (44%), Docker (25%), WebSockets (25%).
Git
7 44%
Rest API
7 44%
Docker
4 25%
WebSockets
4 25%
Helm
2 13%
pySpark
2 13%
Jenkins
1 6%
Locust
1 6%
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What AI and ML technologies does Nineleaps use?
LLM is named in 25% of job postings at Nineleaps, followed by Claude (13%), GPT-4 (13%).
Which engineering practices does Nineleaps ask for?
CI/CD is named in 50% of job postings at Nineleaps, followed by ETL/ELT (31%), AI Agents (19%), Embeddings (19%).
CI/CD
8 50%
AI Agents
3 19%
Embeddings
3 19%
Prompt Engineering
3 19%
RAG
3 19%
Function Calling
2 13%
Show all (14)
What does each Nineleaps team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
5 postingsData Science
4 postingsHow does your stack fit Nineleaps?
How modern is the Nineleaps stack?
Nineleaps scores 89 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: 3; legacy ones: 0.
How common is the Nineleaps stack in its industry?
Share of the 9,281 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Nineleaps
Questions about the Nineleaps tech stack
What programming languages does Nineleaps use?
The languages named in Nineleaps job postings are Python (75%), SQL (69%), JavaScript (31%), Node JS (25%), TypeScript (25%), as a share of the 16 postings of the last 12 months.
Does Nineleaps use React.js?
Yes. React.js is named in 4 of 16 job postings (25%) and required in 3 of them.
What cloud and platforms does Nineleaps use?
The cloud and platforms named in Nineleaps job postings are AWS (5), GCP (5), Kubernetes (5) (postings in brackets).
What skills do you need for a Backend job at Nineleaps?
Backend postings at Nineleaps most often require Python (4), Rest API (4), PostgreSQL (3), SQL (3), out of 5 postings in the last 12 months.
Is the Nineleaps tech stack changing?
No new technology has appeared in Nineleaps job postings in the last six months.
How modern is the Nineleaps tech stack?
Nineleaps scores 89 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: 3; legacy ones: 0.
How does Alion know the Nineleaps tech stack?
Alion reads every job posting Nineleaps publishes and tags the technologies each one names. The figures on this page count the 16 postings of the last 12 months and were updated on Nov 12, 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, "Nineleaps tech stack: 84 technologies from 16 job postings", as of Nov 12, 2026. https://alion.io/company/nineleaps/technologies