Blocks tech stack
Blocks builds mostly with Python, SQL, TypeScript, JavaScript. Its stack also includes AWS, Kubernetes, FastAPI, Trino. AWS is named in 7 of the 8 job postings Blocks published in the last 12 months (88%). Counted by Alion from the job postings of Blocks, updated Oct 12, 2026.
What programming languages does Blocks use?
Python is named in 50% of job postings at Blocks, followed by SQL (13%), TypeScript (13%), JavaScript (13%).
What frameworks and libraries does Blocks use?
FastAPI is named in 25% of job postings at Blocks, followed by Django (13%), Flask (13%), LangChain (13%).
FastAPI
2 25%
Django
1 13%
Flask
1 13%
LangChain
1 13%
LangGraph
1 13%
Next.js
1 13%
Pandas
1 13%
Pydantic AI
1 13%
Show all (9)
What cloud and platforms does Blocks use?
AWS is named in 88% of job postings at Blocks, followed by Kubernetes (25%), LangSmith (13%), OpenAI (13%).
What developer tools does Blocks use?
CloudFormation is named in 38% of job postings at Blocks, followed by Docker (25%), Terraform (25%), Model Context Protocol (13%).
What AI and ML technologies does Blocks use?
Claude is named in 13% of job postings at Blocks, followed by Gemini (13%), LLM (13%).
Which engineering practices does Blocks ask for?
AI Agents is named in 100% of job postings at Blocks, followed by Blue-Green Deployment (25%), CI/CD (25%), Chaos Engineering (25%).
AI Agents
8 100%
Blue-Green Deployment
2 25%
CI/CD
2 25%
Chaos Engineering
2 25%
GitOps
2 25%
Progressive Delivery
2 25%
Self-Healing
2 25%
FinOps
2 25%
Show all (13)
How does your stack fit Blocks?
How is the Blocks 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 Blocks stack?
Blocks 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: 3; legacy ones: 0.
How common is the Blocks stack in its industry?
Share of the 28 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Blocks
Questions about the Blocks tech stack
What programming languages does Blocks use?
The languages named in Blocks job postings are Python (50%), SQL (13%), TypeScript (13%), JavaScript (13%), as a share of the 8 postings of the last 12 months.
Does Blocks use FastAPI?
Yes. FastAPI is named in 2 of 8 job postings (25%) and required in 2 of them.
What cloud and platforms does Blocks use?
The cloud and platforms named in Blocks job postings are AWS (7), Kubernetes (2), LangSmith (1) (postings in brackets).
Is the Blocks tech stack changing?
No new technology has appeared in Blocks job postings in the last six months.
How modern is the Blocks tech stack?
Blocks 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: 3; legacy ones: 0.
How does Alion know the Blocks tech stack?
Alion reads every job posting Blocks 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 Oct 12, 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, "Blocks tech stack: 40 technologies from 8 job postings", as of Oct 12, 2026. https://alion.io/company/blocks-cloud/technologies