Polar tech stack

Polar builds mostly with SQL, JavaScript, Python, TypeScript. Its stack also includes AWS, ClickHouse, PostgreSQL, FastAPI. SQL is named in 2 of the 3 job postings Polar published in the last 12 months (67%). Counted by Alion from the job postings of Polar, updated Oct 30, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 30, 2026
Technologies in use
12
Postings analysed
3
Open now
2
Modernity
81 /100
New in 6 months
3

What programming languages does Polar use?

SQL is named in 67% of job postings at Polar, followed by JavaScript (67%), Python (67%), TypeScript (67%).

SQL 2 67% required in 100% · 1 open now · since Mar 2026
JavaScript 2 67% optional · 2 open now · since Sep 2025
Python 2 67% optional · 2 open now · since Sep 2025
TypeScript 2 67% optional · 2 open now · since Oct 2026

What frameworks and libraries does Polar use?

FastAPI is named in 67% of job postings at Polar, followed by React.js (67%).

FastAPI 2 67% optional · 2 open now · since Sep 2025
React.js 2 67% optional · 2 open now · since Sep 2025

What databases does Polar use?

ClickHouse is named in 67% of job postings at Polar, followed by PostgreSQL (67%).

ClickHouse 2 67% optional · 2 open now · since Oct 2026
PostgreSQL 2 67% optional · 2 open now · since Sep 2025

What cloud and platforms does Polar use?

AWS is named in 67% of job postings at Polar.

AWS 2 67% optional · 2 open now · since Sep 2025

Which engineering practices does Polar ask for?

AI Agents is named in 67% of job postings at Polar, followed by CI/CD (33%), Platform Engineering (33%).

AI Agents 2 67% required in 100% · 2 open now · since Oct 2026
CI/CD 1 33% required in 100% · since Mar 2026
Platform Engineering 1 33% required in 100% · 1 open now · since Oct 2026

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How is the Polar 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.

First appeared
AI AgentsOct 2026
ClickHouseOct 2026
TypeScriptOct 2026

How modern is the Polar stack?

Cutting-edge 81/100

Polar 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: 0; legacy ones: 0.

How common is the Polar stack in its industry?

Share of the 330 companies in the same industries, whose stack Alion knows, that use each technology.

AWS45%
ClickHouse6%
FastAPI8%
JavaScript54%
PostgreSQL38%
Python49%
React.js35%
SQL58%
TypeScript45%

Questions about the Polar tech stack

What programming languages does Polar use?

The languages named in Polar job postings are SQL (67%), JavaScript (67%), Python (67%), TypeScript (67%), as a share of the 3 postings of the last 12 months.

What cloud and platforms does Polar use?

The cloud and platforms named in Polar job postings are AWS (2) (postings in brackets).

Is the Polar tech stack changing?

Yes. AI Agents, ClickHouse, TypeScript first appeared in Polar job postings in the last six months.

How modern is the Polar tech stack?

Polar 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: 0; legacy ones: 0.

How does Alion know the Polar tech stack?

Alion reads every job posting Polar publishes and tags the technologies each one names. The figures on this page count the 3 postings of the last 12 months and were updated on Oct 30, 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, "Polar tech stack: 12 technologies from 3 job postings", as of Oct 30, 2026. https://alion.io/company/polar-3/technologies

Licence: CC BY-SA 4.0JSON