Guac tech stack
Guac builds mostly with Python, TypeScript, JavaScript, SQL. Its stack also includes OpenAI, GCP, Google BigQuery, PostgreSQL. Python is named in 4 of the 4 job postings Guac published in the last 12 months (100%). Counted by Alion from the job postings of Guac, updated Oct 3, 2026.
What programming languages does Guac use?
Python is named in 100% of job postings at Guac, followed by TypeScript (50%), JavaScript (50%), SQL (25%).
What frameworks and libraries does Guac use?
FastAPI is named in 100% of job postings at Guac, followed by Next.js (50%), React Native (50%), Dagster (50%).
What databases does Guac use?
Google BigQuery is named in 100% of job postings at Guac, followed by PostgreSQL (100%), BigQuery (75%).
BigQuery What cloud and platforms does Guac use?
OpenAI is named in 100% of job postings at Guac, followed by GCP (100%), Anthropic (100%).
What developer tools does Guac use?
Claude Code is named in 100% of job postings at Guac, followed by Cursor (100%), Model Context Protocol (100%), Docker (100%).
What AI and ML technologies does Guac use?
Claude is named in 25% of job postings at Guac, followed by LLM (25%).
Which engineering practices does Guac ask for?
AI Agents is named in 100% of job postings at Guac, followed by ETL/ELT (100%), Function Calling (75%), RAG (75%).
AI Agents
4 100%
Function Calling
3 75%
RAG
3 75%
State Management
2 50%
What does each Guac team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
3 postingsHow does your stack fit Guac?
How is the Guac 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 Guac stack?
Guac scores 89 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 Guac stack in its industry?
Share of the 195 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Guac
Questions about the Guac tech stack
What programming languages does Guac use?
The languages named in Guac job postings are Python (100%), TypeScript (50%), JavaScript (50%), SQL (25%), as a share of the 4 postings of the last 12 months.
Does Guac use FastAPI?
Yes. FastAPI is named in 4 of 4 job postings (100%) and required in 3 of them.
What cloud and platforms does Guac use?
The cloud and platforms named in Guac job postings are OpenAI (4), GCP (4), Anthropic (4) (postings in brackets).
What skills do you need for a Backend job at Guac?
Backend postings at Guac most often require Claude Code (3), Cursor (3), Model Context Protocol (3), OpenAI (3), out of 3 postings in the last 12 months.
Is the Guac tech stack changing?
Yes. Tool Use, BigQuery, Agentic Workflows, Dagster first appeared in Guac job postings in the last six months.
How modern is the Guac tech stack?
Guac scores 89 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 Guac tech stack?
Alion reads every job posting Guac publishes and tags the technologies each one names. The figures on this page count the 4 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, "Guac tech stack: 30 technologies from 4 job postings", as of Oct 3, 2026. https://alion.io/company/guac/technologies