Piano tech stack
Piano builds mostly with JavaScript, Node JS, Python, TypeScript. Its stack also includes Kubernetes, AWS, Redis, ElasticSearch. Kubernetes is named in 5 of the 7 job postings Piano published in the last 12 months (71%). Counted by Alion from the job postings of Piano, updated Sep 28, 2026.
What programming languages does Piano use?
JavaScript is named in 43% of job postings at Piano, followed by Node JS (29%), Python (29%), TypeScript (29%).
What frameworks and libraries does Piano use?
Angular is named in 14% of job postings at Piano, followed by Jest (14%), Mocha (14%), OpenAI Agents SDK (14%).
Angular
1 14%
Jest
1 14%
Mocha
1 14%
Pydantic AI
1 14%
React.js
1 14%
Testcontainers
1 14%
What databases does Piano use?
Redis is named in 43% of job postings at Piano, followed by ElasticSearch (14%), PostgreSQL (14%), Aerospike (14%).
What cloud and platforms does Piano use?
Kubernetes is named in 71% of job postings at Piano, followed by AWS (43%), Amazon S3 (29%), Anthropic (29%).
Kubernetes
5 71%
AWS
3 43%
Apache Kafka
2 29%
Datadog
2 29%
AWS Lambda
1 14%
Show all (18)
What developer tools does Piano use?
Claude Code is named in 57% of job postings at Piano, followed by Docker (57%), Helm (43%), Cursor (29%).
Claude Code
4 57%
Docker
4 57%
Helm
3 43%
Cursor
2 29%
Jenkins
2 29%
Model Context Protocol
2 29%
CloudFormation
1 14%
Copilot
1 14%
Show all (14)
What AI and ML technologies does Piano use?
Claude is named in 43% of job postings at Piano, followed by LLM (29%).
Which engineering practices does Piano ask for?
CI/CD is named in 43% of job postings at Piano, followed by Context Engineering (29%), AI Agents (29%), Tool Use (29%).
CI/CD
3 43%
AI Agents
2 29%
Embeddings
1 14%
Function Calling
1 14%
Show all (16)
How does your stack fit Piano?
How is the Piano 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 Piano stack?
Piano scores 83 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 Piano stack in its industry?
Share of the 60 companies in the same industries, whose stack Alion knows, that use each technology.
Companies with a stack like Piano
Questions about the Piano tech stack
What programming languages does Piano use?
The languages named in Piano job postings are JavaScript (43%), Node JS (29%), Python (29%), TypeScript (29%), Java (29%), as a share of the 7 postings of the last 12 months.
Does Piano use Kubernetes?
Yes. Kubernetes is named in 5 of 7 job postings (71%) and required in 5 of them.
What cloud and platforms does Piano use?
The cloud and platforms named in Piano job postings are Kubernetes (5), AWS (3), Amazon S3 (2) (postings in brackets).
Is the Piano tech stack changing?
Yes. Model Context Protocol, Claude, Apache Kafka, Datadog first appeared in Piano job postings in the last six months.
How modern is the Piano tech stack?
Piano scores 83 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 Piano tech stack?
Alion reads every job posting Piano publishes and tags the technologies each one names. The figures on this page count the 7 postings of the last 12 months and were updated on Sep 28, 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, "Piano tech stack: 70 technologies from 7 job postings", as of Sep 28, 2026. https://alion.io/company/piano-io/technologies