Telli tech stack
Telli builds mostly with JavaScript, Node JS, Python, TypeScript. Its stack also includes AWS, Azure, SQLite, PostgreSQL. ChatGPT is named in 2 of the 26 job postings Telli published in the last 12 months (8%). Counted by Alion from the job postings of Telli, updated Sep 29, 2026.
What programming languages does Telli use?
JavaScript is named in 4% of job postings at Telli, followed by Node JS (4%), Python (4%), TypeScript (4%).
What frameworks and libraries does Telli use?
FastAPI is named in 4% of job postings at Telli, followed by Fastify (4%), OpenTelemetry (4%), React.js (4%).
What databases does Telli use?
SQLite is named in 4% of job postings at Telli, followed by PostgreSQL (4%), Redis (4%).
What cloud and platforms does Telli use?
AWS is named in 4% of job postings at Telli, followed by Azure (4%), Cloudflare (4%), GCP (4%).
What developer tools does Telli use?
OpenAI Codex is named in 4% of job postings at Telli, followed by Vite (4%).
Vite
1 4%
What AI and ML technologies does Telli use?
ChatGPT is named in 8% of job postings at Telli, followed by Claude (8%).
Which engineering practices does Telli ask for?
Voice Agents is named in 100% of job postings at Telli, followed by AI Agents (100%), Prompt Engineering (15%), RAG (4%).
How does your stack fit Telli?
How is the Telli 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 Telli stack?
Telli scores 83 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 Telli stack in its industry?
Share of the 489 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Telli
Questions about the Telli tech stack
What programming languages does Telli use?
The languages named in Telli job postings are JavaScript (4%), Node JS (4%), Python (4%), TypeScript (4%), as a share of the 26 postings of the last 12 months.
What cloud and platforms does Telli use?
The cloud and platforms named in Telli job postings are AWS (1), Azure (1), Cloudflare (1) (postings in brackets).
Is the Telli tech stack changing?
Yes. Prompt Engineering, ChatGPT, Claude first appeared in Telli job postings in the last six months.
How modern is the Telli tech stack?
Telli scores 83 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 Telli tech stack?
Alion reads every job posting Telli publishes and tags the technologies each one names. The figures on this page count the 26 postings of the last 12 months and were updated on Sep 29, 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, "Telli tech stack: 25 technologies from 26 job postings", as of Sep 29, 2026. https://alion.io/company/telli/technologies