Zeroto1 tech stack
Zeroto1 builds mostly with Python, JavaScript, Java, TypeScript. Its stack also includes AWS, Kubernetes, PostgreSQL, Redis. Python is named in 6 of the 8 job postings Zeroto1 published in the last 12 months (75%). Counted by Alion from the job postings of Zeroto1, updated Sep 27, 2026.
What programming languages does Zeroto1 use?
Python is named in 75% of job postings at Zeroto1, followed by JavaScript (38%), Java (25%), TypeScript (25%).
What frameworks and libraries does Zeroto1 use?
FastAPI is named in 38% of job postings at Zeroto1, followed by Pydantic (38%), LangChain (25%), Cohere SDK (13%).
FastAPI
3 38%
Pydantic
3 38%
LangChain
2 25%
Cohere SDK
1 13%
Django
1 13%
FAISS
1 13%
Gradio
1 13%
LlamaIndex
1 13%
Show all (13)
What databases does Zeroto1 use?
PostgreSQL is named in 50% of job postings at Zeroto1, followed by Redis (38%), Pinecone (13%), Weaviate (13%).
What cloud and platforms does Zeroto1 use?
AWS is named in 50% of job postings at Zeroto1, followed by Kubernetes (50%), Azure (38%), GCP (38%).
AWS
4 50%
Kubernetes
4 50%
Azure
3 38%
GCP
3 38%
AWS Fargate
1 13%
GitHub
1 13%
Show all (15)
What developer tools does Zeroto1 use?
Docker is named in 50% of job postings at Zeroto1, followed by Model Context Protocol (50%), Lighthouse (38%), Maven (13%).
Docker
4 50%
Model Context Protocol
4 50%
Lighthouse
3 38%
Maven
1 13%
Terraform
1 13%
Flowise
1 13%
Flyway
1 13%
Langflow
1 13%
What AI and ML technologies does Zeroto1 use?
LLM is named in 38% of job postings at Zeroto1, followed by Claude (13%), LoRA (13%), Mistral (13%).
Which engineering practices does Zeroto1 ask for?
Function Calling is named in 63% of job postings at Zeroto1, followed by AI Agents (50%), CI/CD (38%), LLM Guardrails (38%).
Function Calling
5 63%
AI Agents
4 50%
CI/CD
3 38%
RAG
3 38%
Fine-tuning
1 13%
Show all (11)
What does each Zeroto1 team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
4 postingsHow does your stack fit Zeroto1?
How modern is the Zeroto1 stack?
Zeroto1 scores 91 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: 5; legacy ones: 0.
How common is the Zeroto1 stack in its industry?
Share of the 1,245 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Zeroto1
Questions about the Zeroto1 tech stack
What programming languages does Zeroto1 use?
The languages named in Zeroto1 job postings are Python (75%), JavaScript (38%), Java (25%), TypeScript (25%), Node JS (13%), as a share of the 8 postings of the last 12 months.
Does Zeroto1 use FastAPI?
Yes. FastAPI is named in 3 of 8 job postings (38%) and required in 1 of them.
What cloud and platforms does Zeroto1 use?
The cloud and platforms named in Zeroto1 job postings are AWS (4), Kubernetes (4), Azure (3) (postings in brackets).
What skills do you need for a Backend job at Zeroto1?
Backend postings at Zeroto1 most often require Python (4), Docker (2), Kubernetes (2), Lighthouse (2), out of 4 postings in the last 12 months.
Is the Zeroto1 tech stack changing?
No new technology has appeared in Zeroto1 job postings in the last six months.
How modern is the Zeroto1 tech stack?
Zeroto1 scores 91 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: 5; legacy ones: 0.
How does Alion know the Zeroto1 tech stack?
Alion reads every job posting Zeroto1 publishes and tags the technologies each one names. The figures on this page count the 8 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, "Zeroto1 tech stack: 62 technologies from 8 job postings", as of Sep 27, 2026. https://alion.io/company/zeroto1/technologies