Leena AI tech stack
Leena AI builds mostly with Node JS, JavaScript, Python, Java. Its stack also includes AWS, Azure, Google BigQuery, MySQL. AWS is named in 6 of the 13 job postings Leena AI published in the last 12 months (46%). Counted by Alion from the job postings of Leena AI, updated Sep 28, 2026.
What programming languages does Leena AI use?
Node JS is named in 38% of job postings at Leena AI, followed by JavaScript (38%), Python (31%), Java (23%).
What frameworks and libraries does Leena AI use?
LangChain is named in 15% of job postings at Leena AI, followed by LangGraph (15%), Hibernate (8%), OpenTelemetry (8%).
What databases does Leena AI use?
Google BigQuery is named in 15% of job postings at Leena AI, followed by MySQL (15%), PostgreSQL (15%), Redis (15%).
Google BigQuery
2 15%
MySQL
2 15%
PostgreSQL
2 15%
Redis
2 15%
ClickHouse
1 8%
ElasticSearch
1 8%
MS SQL
1 8%
OpenSearch
1 8%
Show all (13)
What cloud and platforms does Leena AI use?
AWS is named in 46% of job postings at Leena AI, followed by Azure (31%), GCP (31%), RabbitMQ (31%).
AWS
6 46%
Azure
4 31%
GCP
4 31%
RabbitMQ
4 31%
Apache Kafka
3 23%
Kubernetes
3 23%
Grafana
2 15%
Show all (17)
What developer tools does Leena AI use?
Claude Code is named in 15% of job postings at Leena AI, followed by Copilot (15%), Cursor (15%), Rest API (15%).
Claude Code
2 15%
Copilot
2 15%
Cursor
2 15%
Rest API
2 15%
Docker
2 15%
Aider
1 8%
ArgoCD
1 8%
Show all (16)
What AI and ML technologies does Leena AI use?
LLM is named in 46% of job postings at Leena AI, followed by Claude (15%).
Which engineering practices does Leena AI ask for?
AI Agents is named in 85% of job postings at Leena AI, followed by CI/CD (31%), ISO 42001 (23%), RAG (23%).
AI Agents
11 85%
CI/CD
4 31%
RAG
3 23%
Embeddings
2 15%
Show all (24)
What does each Leena AI team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
4 postingsHow does your stack fit Leena AI?
How modern is the Leena AI stack?
Leena AI scores 79 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 Leena AI stack in its industry?
Share of the 1,129 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Leena AI
Questions about the Leena AI tech stack
What programming languages does Leena AI use?
The languages named in Leena AI job postings are Node JS (38%), JavaScript (38%), Python (31%), Java (23%), SQL (23%), as a share of the 13 postings of the last 12 months.
Does Leena AI use LangChain?
Yes. LangChain is named in 2 of 13 job postings (15%) and required in 1 of them.
What cloud and platforms does Leena AI use?
The cloud and platforms named in Leena AI job postings are AWS (6), Azure (4), GCP (4) (postings in brackets).
What skills do you need for a Backend job at Leena AI?
Backend postings at Leena AI most often require Java (3), Node JS (3), SQL (2), out of 4 postings in the last 12 months.
Is the Leena AI tech stack changing?
No new technology has appeared in Leena AI job postings in the last six months.
How modern is the Leena AI tech stack?
Leena AI scores 79 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 Leena AI tech stack?
Alion reads every job posting Leena AI publishes and tags the technologies each one names. The figures on this page count the 13 postings of the last 12 months and were updated on Sep 28, 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, "Leena AI tech stack: 84 technologies from 13 job postings", as of Sep 28, 2026. https://alion.io/company/leena-ai/technologies