Piano tech stack
Piano builds mostly with TypeScript, JavaScript, SQL, Node JS. Its stack also includes Kubernetes, AWS, Redis, Angular. Kubernetes is named in 9 of the 13 job postings Piano published in the last 12 months (69%). Counted by Alion from the job postings of Piano, updated Nov 12, 2026.
What programming languages does Piano use?
TypeScript is named in 46% of job postings at Piano, followed by JavaScript (38%), SQL (31%), Node JS (31%).
TypeScript
6 46%
JavaScript
5 38%
SQL
4 31%
Node JS
4 31%
Python
2 15%
Java
2 15%
Go
1 8%
PowerShell
1 8%
What frameworks and libraries does Piano use?
Angular is named in 23% of job postings at Piano, followed by Nest.JS (15%), Jest (8%), Mocha (8%).
Angular
3 23%
Nest.JS
2 15%
Jest
1 8%
Mocha
1 8%
Pydantic AI
1 8%
Testcontainers
1 8%
What databases does Piano use?
Redis is named in 23% of job postings at Piano, followed by Snowflake (15%), ClickHouse (15%), ElasticSearch (8%).
Redis
3 23%
Snowflake
2 15%
ClickHouse
2 15%
ElasticSearch
1 8%
PostgreSQL
1 8%
Aerospike
1 8%
ArangoDB
1 8%
What cloud and platforms does Piano use?
Kubernetes is named in 69% of job postings at Piano, followed by AWS (62%), Amazon S3 (31%), SonarQube (31%).
Kubernetes
9 69%
AWS
8 62%
SonarQube
4 31%
AWS Lambda
3 23%
Apache Kafka
2 15%
Datadog
2 15%
GitLab CI
2 15%
Show all (24)
What developer tools does Piano use?
Docker is named in 54% of job postings at Piano, followed by Helm (46%), Jenkins (46%), Cursor (31%).
Docker
7 54%
Helm
6 46%
Jenkins
6 46%
Cursor
4 31%
Claude Code
3 23%
CloudFormation
3 23%
Git
3 23%
Model Context Protocol
2 15%
Show all (18)
What AI and ML technologies does Piano use?
Claude is named in 23% of job postings at Piano, followed by LLM (8%).
Which engineering practices does Piano ask for?
CI/CD is named in 31% of job postings at Piano, followed by GitOps (15%), AI Agents (8%), Context Engineering (8%).
CI/CD
4 31%
GitOps
2 15%
AI Agents
1 8%
Function Calling
1 8%
Show all (13)
What does each Piano team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Early Careers
3 postingsHow 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 81 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 132 companies in the same industries, whose stack Alion knows, that use each technology.
What sets Piano apart
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 TypeScript (46%), JavaScript (38%), SQL (31%), Node JS (31%), Python (15%), as a share of the 13 postings of the last 12 months.
Does Piano use Angular?
Yes. Angular is named in 3 of 13 job postings (23%) and required in 3 of them.
What cloud and platforms does Piano use?
The cloud and platforms named in Piano job postings are Kubernetes (9), AWS (8), Amazon S3 (4) (postings in brackets).
What skills do you need for a Early Careers job at Piano?
Early Careers postings at Piano most often require AWS (2), Docker (2), Git (2), Jenkins (2), out of 3 postings in the last 12 months.
Is the Piano tech stack changing?
Yes. Nest.JS, Snowflake, Git, GitLab CI first appeared in Piano job postings in the last six months.
How modern is the Piano tech stack?
Piano scores 81 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 13 postings of the last 12 months and were updated on Nov 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, "Piano tech stack: 79 technologies from 13 job postings", as of Nov 12, 2026. https://alion.io/company/piano-io/technologies