Vi tech stack
Vi builds mostly with Python, TypeScript, SQL, JavaScript. Its stack also includes AWS, Amazon S3, Snowflake, Unstructured.io. Python is named in 7 of the 10 job postings Vi published in the last 12 months (70%). Counted by Alion from the job postings of Vi, updated Oct 14, 2026.
What programming languages does Vi use?
Python is named in 70% of job postings at Vi, followed by TypeScript (40%), SQL (30%), JavaScript (20%).
What frameworks and libraries does Vi use?
Unstructured.io is named in 10% of job postings at Vi.
Unstructured.io
1 10%
What cloud and platforms does Vi use?
AWS is named in 70% of job postings at Vi, followed by Amazon S3 (40%), Spark (40%), GCP (30%).
AWS
7 70%
Spark
4 40%
GCP
3 30%
Databricks
2 20%
Twilio
2 20%
MLFlow
1 10%
Show all (9)
What developer tools does Vi use?
WebSockets is named in 40% of job postings at Vi, followed by Docker (20%), pySpark (20%), AWS CDK (10%).
WebSockets
4 40%
Docker
2 20%
pySpark
2 20%
AWS CDK
1 10%
CloudFormation
1 10%
Which engineering practices does Vi ask for?
AI Agents is named in 70% of job postings at Vi, followed by CI/CD (50%), ETL/ELT (40%), LLM Guardrails (40%).
AI Agents
7 70%
CI/CD
5 50%
Platform Engineering
4 40%
Embeddings
3 30%
Function Calling
2 20%
Show all (13)
What does each Vi team work with?
The technologies each team's postings require most often, with the number of postings that require them.
AI/ML
5 postingsHow does your stack fit Vi?
How is the Vi 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 Vi stack?
Vi scores 76 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: 1; legacy ones: 0.
How common is the Vi stack in its industry?
Share of the 453 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Vi
Questions about the Vi tech stack
What programming languages does Vi use?
The languages named in Vi job postings are Python (70%), TypeScript (40%), SQL (30%), JavaScript (20%), as a share of the 10 postings of the last 12 months.
Does Vi use AWS?
Yes. AWS is named in 7 of 10 job postings (70%) and required in 6 of them.
What cloud and platforms does Vi use?
The cloud and platforms named in Vi job postings are AWS (7), Amazon S3 (4), Spark (4) (postings in brackets).
What skills do you need for a AI/ML job at Vi?
AI/ML postings at Vi most often require AWS (5), Python (4), TypeScript (4), GCP (3), out of 5 postings in the last 12 months.
Is the Vi tech stack changing?
Yes. Docker, Twilio, Embeddings first appeared in Vi job postings in the last six months.
How modern is the Vi tech stack?
Vi scores 76 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: 1; legacy ones: 0.
How does Alion know the Vi tech stack?
Alion reads every job posting Vi publishes and tags the technologies each one names. The figures on this page count the 10 postings of the last 12 months and were updated on Oct 14, 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, "Vi tech stack: 35 technologies from 10 job postings", as of Oct 14, 2026. https://alion.io/company/vi-co/technologies