Vapi tech stack
Vapi builds mostly with TypeScript, Go, JavaScript, Node JS. Its stack also includes Kubernetes, AWS, PostgreSQL, Redis. LLM is named in 13 of the 37 job postings Vapi published in the last 12 months (35%). Counted by Alion from the job postings of Vapi, updated Sep 27, 2026.
What programming languages does Vapi use?
TypeScript is named in 30% of job postings at Vapi, followed by Go (19%), JavaScript (16%), Node JS (11%).
What frameworks and libraries does Vapi use?
React.js is named in 5% of job postings at Vapi, followed by Tailwind CSS (5%), BullMQ (5%), OpenTelemetry (5%).
React.js
2 5%
Tailwind CSS
2 5%
BullMQ
2 5%
OpenTelemetry
2 5%
Commander.js
1 3%
Cypress
1 3%
Django
1 3%
FastAPI
1 3%
Show all (16)
What databases does Vapi use?
PostgreSQL is named in 19% of job postings at Vapi, followed by Redis (8%), ClickHouse (5%), Amazon Aurora (3%).
What cloud and platforms does Vapi use?
Kubernetes is named in 27% of job postings at Vapi, followed by AWS (22%), Twilio (16%), Amazon EKS (14%).
Kubernetes
10 27%
AWS
8 22%
Twilio
6 16%
Amazon EKS
5 14%
Apache Kafka
4 11%
Vercel
4 11%
Datadog
2 5%
Show all (22)
What developer tools does Vapi use?
Claude Code is named in 11% of job postings at Vapi, followed by Cursor (11%), ArgoCD (8%), Pulumi (8%).
Show all (24)
Which engineering practices does Vapi ask for?
Voice Agents is named in 92% of job postings at Vapi, followed by AI Agents (16%), Text-to-Speech (16%), CI/CD (16%).
AI Agents
6 16%
CI/CD
6 16%
GitOps
3 8%
Progressive Delivery
2 5%
SLI/SLO/SLA
2 5%
Show all (17)
What does each Vapi team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
10 postingsSolutions
3 postingsDevOps
3 postingsHow does your stack fit Vapi?
How much does Vapi pay by technology?
Median stated pay of the postings that name each technology, against the median of all Vapi postings with stated pay: $264k across 30 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| TypeScript | 9 | $270k | +2% |
| Kubernetes | 8 | $280k | +6% |
| LLM | 8 | $275k | +4% |
| AWS | 6 | $280k | +6% |
| PostgreSQL | 6 | $280k | +6% |
| JavaScript | 6 | $273k | +3% |
| Go | 5 | $280k | +6% |
How is the Vapi 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 Vapi stack?
Vapi scores 71 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How common is the Vapi stack in its industry?
Share of the 1,041 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Vapi apart
Vapi products in its job postings
Postings at Vapi name its own products. They describe what the company makes, so they are left out of the stack above.
Companies with a stack like Vapi
Questions about the Vapi tech stack
What programming languages does Vapi use?
The languages named in Vapi job postings are TypeScript (30%), Go (19%), JavaScript (16%), Node JS (11%), Python (8%), as a share of the 37 postings of the last 12 months.
Does Vapi use React.js?
Yes. React.js is named in 2 of 37 job postings (5%) and required in 2 of them.
What cloud and platforms does Vapi use?
The cloud and platforms named in Vapi job postings are Kubernetes (10), AWS (8), Twilio (6) (postings in brackets).
What skills do you need for a AI/ML job at Vapi?
AI/ML postings at Vapi most often require TypeScript (8), Claude Code (4), Cursor (4), Go (4), out of 10 postings in the last 12 months.
Is the Vapi tech stack changing?
Yes. Shift-Left, CI/CD, ArgoCD, Terraform first appeared in Vapi job postings in the last six months.
How modern is the Vapi tech stack?
Vapi scores 71 out of 100 (Modern). The score averages how current each technology in the stack is and adds weight for AI adoption. AI technologies in the stack: 1; legacy ones: 0.
How does Alion know the Vapi tech stack?
Alion reads every job posting Vapi publishes and tags the technologies each one names. The figures on this page count the 37 postings of the last 12 months and were updated on Sep 27, 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, "Vapi tech stack: 93 technologies from 37 job postings", as of Sep 27, 2026. https://alion.io/company/vapi/technologies