Nelly tech stack
Nelly builds mostly with TypeScript, Python, JavaScript, Node JS. Its stack also includes AWS, PostgreSQL, Next.js, React.js. TypeScript is named in 5 of the 11 job postings Nelly published in the last 12 months (45%). Counted by Alion from the job postings of Nelly, updated Oct 3, 2026.
What programming languages does Nelly use?
TypeScript is named in 45% of job postings at Nelly, followed by Python (18%), JavaScript (18%), Node JS (18%).
What frameworks and libraries does Nelly use?
Next.js is named in 18% of job postings at Nelly, followed by React.js (18%), Dagster (9%), Django (9%).
Next.js
2 18%
React.js
2 18%
Dagster
1 9%
Django
1 9%
FastAPI
1 9%
Flask
1 9%
Pydantic
1 9%
SQLAlchemy
1 9%
Show all (10)
What databases does Nelly use?
PostgreSQL is named in 18% of job postings at Nelly.
PostgreSQL
2 18%
What cloud and platforms does Nelly use?
AWS is named in 45% of job postings at Nelly, followed by GCP (9%), Prefect (9%), Windows (9%).
What developer tools does Nelly use?
Microsoft Excel is named in 9% of job postings at Nelly, followed by Model Context Protocol (9%), Terraform (9%).
What AI and ML technologies does Nelly use?
LLM is named in 27% of job postings at Nelly, followed by Claude (18%).
Which engineering practices does Nelly ask for?
AI Agents is named in 18% of job postings at Nelly, followed by Edge AI (9%), A/B Testing (9%), Embeddings (9%).
AI Agents
2 18%
Embeddings
1 9%
Function Calling
1 9%
Hybrid Search
1 9%
Show all (11)
How does your stack fit Nelly?
How is the Nelly stack changing?
Read from the dates of the postings themselves: a technology is new when the first posting that names it appeared in the last six months, rising or falling when its share of postings moved between the last two quarters.
How modern is the Nelly stack?
Nelly scores 84 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 Nelly stack in its industry?
Share of the 198 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Nelly
Questions about the Nelly tech stack
What programming languages does Nelly use?
The languages named in Nelly job postings are TypeScript (45%), Python (18%), JavaScript (18%), Node JS (18%), SQL (18%), as a share of the 11 postings of the last 12 months.
What cloud and platforms does Nelly use?
The cloud and platforms named in Nelly job postings are AWS (5), GCP (1), Prefect (1) (postings in brackets).
Is the Nelly tech stack changing?
Yes. Claude first appeared in Nelly job postings in the last six months.
How modern is the Nelly tech stack?
Nelly scores 84 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 Nelly tech stack?
Alion reads every job posting Nelly publishes and tags the technologies each one names. The figures on this page count the 11 postings of the last 12 months and were updated on Oct 3, 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, "Nelly tech stack: 36 technologies from 11 job postings", as of Oct 3, 2026. https://alion.io/company/nelly/technologies