WHOOP tech stack

WHOOP builds mostly with Java, Kotlin, JavaScript, TypeScript. Its stack also includes Jetpack Compose, GitHub, PostgreSQL, AWS. Java is named in 5 of the 9 job postings WHOOP published in the last 12 months (56%). Counted by Alion from the job postings of WHOOP, updated Sep 29, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Sep 29, 2026
Technologies in use
25
Postings analysed
9
Open now
5
Modernity
77 /100
New in 6 months
3

What programming languages does WHOOP use?

Java is named in 56% of job postings at WHOOP, followed by Kotlin (44%), JavaScript (11%), TypeScript (11%).

Java 5 56% required in 100% · 2 open now · since Oct 2025
Kotlin 4 44% required in 100% · since Oct 2025
JavaScript 1 11% required in 100% · 1 open now · since Jul 2026
TypeScript 1 11% required in 100% · 1 open now · since Jul 2026

What frameworks and libraries does WHOOP use?

Jetpack Compose is named in 44% of job postings at WHOOP, followed by OkHttp (11%), React.js (11%), Retrofit (11%).

Jetpack Compose 4 44% required in 75% · since Oct 2025
OkHttp 1 11% required in 100% · since Oct 2025
React.js 1 11% required in 100% · 1 open now · since Jul 2026
Retrofit 1 11% required in 100% · since Oct 2025
Room 1 11% required in 100% · since Oct 2025
ViewModel 1 11% required in 100% · since Oct 2025

What databases does WHOOP use?

PostgreSQL is named in 33% of job postings at WHOOP.

PostgreSQL 3 33% required in 100% · 3 open now · since Jul 2026

What cloud and platforms does WHOOP use?

GitHub is named in 33% of job postings at WHOOP, followed by AWS (22%), Apache Kafka (22%), Firebase (22%).

GitHub 3 33% required in 100% · since Oct 2025
AWS 2 22% required in 100% · 2 open now · since Aug 2026
Apache Kafka 2 22% required in 100% · 2 open now · since Aug 2026
Firebase 2 22% required in 100% · since Oct 2025

What developer tools does WHOOP use?

Git is named in 44% of job postings at WHOOP, followed by Gradle (22%), Rest API (11%).

Git 4 44% required in 75% · since Oct 2025
Gradle 2 22% required in 50% · since Oct 2025
Rest API 1 11% required in 100% · since Apr 2026

Which engineering practices does WHOOP ask for?

CI/CD is named in 33% of job postings at WHOOP, followed by MVI (33%), MVVM (33%), A/B Testing (11%).

CI/CD 3 33% required in 67% · 1 open now · since Oct 2025
MVI 3 33% required in 67% · since Oct 2025
MVVM 3 33% required in 67% · since Oct 2025
A/B Testing 1 11% required in 100% · 1 open now · since Aug 2026
Machine Learning 1 11% required in 100% · 1 open now · since Jun 2026
Time Series Forecasting 1 11% required in 100% · 1 open now · since Jun 2026

What other technologies does WHOOP use?

Kotlin Coroutines is named in 33% of job postings at WHOOP.

Kotlin Coroutines 3 33% required in 67% · since Oct 2025

What does each WHOOP team work with?

The technologies each team's postings require most often, with the number of postings that require them.

Mobile

4 postings
Kotlin4
Git3
GitHub3
Java3
Jetpack Compose3
Firebase2

Backend

3 postings
PostgreSQL3
Apache Kafka2
Java2

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How is the WHOOP 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
Apache KafkaAug 2026
AWSAug 2026
PostgreSQLJul 2026

How modern is the WHOOP stack?

Cutting-edge 77/100

WHOOP scores 77 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 WHOOP stack in its industry?

Share of the 163 companies in the same industries, whose stack Alion knows, that use each technology.

Java15%
Jetpack Compose6%
Kotlin12%
GitHub20%
PostgreSQL17%
AWS22%
Apache Kafka11%
Firebase7%
JavaScript28%
OkHttp1%

Questions about the WHOOP tech stack

What programming languages does WHOOP use?

The languages named in WHOOP job postings are Java (56%), Kotlin (44%), JavaScript (11%), TypeScript (11%), as a share of the 9 postings of the last 12 months.

Does WHOOP use Jetpack Compose?

Yes. Jetpack Compose is named in 4 of 9 job postings (44%) and required in 3 of them.

What cloud and platforms does WHOOP use?

The cloud and platforms named in WHOOP job postings are GitHub (3), AWS (2), Apache Kafka (2) (postings in brackets).

What skills do you need for a Mobile job at WHOOP?

Mobile postings at WHOOP most often require Kotlin (4), Git (3), GitHub (3), Java (3), out of 4 postings in the last 12 months.

Is the WHOOP tech stack changing?

Yes. Apache Kafka, AWS, PostgreSQL first appeared in WHOOP job postings in the last six months.

How modern is the WHOOP tech stack?

WHOOP scores 77 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 WHOOP tech stack?

Alion reads every job posting WHOOP publishes and tags the technologies each one names. The figures on this page count the 9 postings of the last 12 months and were updated on Sep 29, 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, "WHOOP tech stack: 25 technologies from 9 job postings", as of Sep 29, 2026. https://alion.io/company/whoop/technologies

Licence: CC BY-SA 4.0JSON