HackerEarth tech stack

HackerEarth builds mostly with JavaScript, TypeScript, Go, Java. Its stack also includes React.js, Redux, AWS, Azure. JavaScript is named in 5 of the 5 job postings HackerEarth published in the last 12 months (100%). Counted by Alion from the job postings of HackerEarth, updated Oct 15, 2026.

Source: Alion Coverage: the company's job postings of the last 12 months Oct 15, 2026
Technologies in use
30
Postings analysed
5
Open now
1
Modernity
87 /100

What programming languages does HackerEarth use?

JavaScript is named in 100% of job postings at HackerEarth, followed by TypeScript (80%), Go (20%), Java (20%).

JavaScript 5 100% required in 100% · 1 open now · since Jul 2026
TypeScript 4 80% required in 100% · 1 open now · since Jul 2026
Go 1 20% required in 100% · since Jul 2026
Java 1 20% required in 100% · since Jul 2026
Node JS 1 20% required in 100% · since Jul 2026
Python 1 20% required in 100% · since Jul 2026

What frameworks and libraries does HackerEarth use?

React.js is named in 80% of job postings at HackerEarth, followed by Redux (80%), Jest (80%), Mocha (80%).

React.js 4 80% required in 100% · 1 open now · since Jul 2026
Redux 4 80% required in 100% · 1 open now · since Jul 2026
Jest 4 80% required in 75% · 1 open now · since Jul 2026
Mocha 4 80% required in 75% · 1 open now · since Jul 2026

What databases does HackerEarth use?

DynamoDB is named in 20% of job postings at HackerEarth, followed by ElasticSearch (20%), MySQL (20%), Redis (20%).

DynamoDB 1 20% required in 100% · since Jul 2026
ElasticSearch 1 20% required in 100% · since Jul 2026
MySQL 1 20% required in 100% · since Jul 2026
Redis 1 20% required in 100% · since Jul 2026

What cloud and platforms does HackerEarth use?

AWS is named in 20% of job postings at HackerEarth, followed by Azure (20%), GCP (20%), Apache Kafka (20%).

AWS 1 20% required in 100% · since Jul 2026
Azure 1 20% required in 100% · since Jul 2026
GCP 1 20% required in 100% · since Jul 2026
Apache Kafka 1 20% optional · since Jul 2026
Kubernetes 1 20% optional · since Jul 2026
RabbitMQ 1 20% optional · since Jul 2026

What developer tools does HackerEarth use?

Git is named in 100% of job postings at HackerEarth, followed by Claude Code (60%), Cursor (60%), OpenAI Codex (60%).

Git 5 100% required in 100% · 1 open now · since Jul 2026
Claude Code 3 60% required in 67% · 1 open now · since Jul 2026
Cursor 3 60% required in 67% · 1 open now · since Jul 2026
OpenAI Codex 3 60% required in 67% · 1 open now · since Jul 2026
Rest API 2 40% required in 100% · since Jul 2026
Docker 1 20% optional · since Jul 2026

What AI and ML technologies does HackerEarth use?

Claude is named in 40% of job postings at HackerEarth, followed by LLM (40%).

Claude 2 40% required in 50% · since Jul 2026
LLM 2 40% required in 50% · 1 open now · since Jul 2026

Which engineering practices does HackerEarth ask for?

State Management is named in 40% of job postings at HackerEarth, followed by CI/CD (20%).

State Management 2 40% required in 100% · 1 open now · since Jul 2026
CI/CD 1 20% required in 100% · since Jul 2026

What does each HackerEarth team work with?

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

Frontend

4 postings
Git4
JavaScript4
React.js4
Redux4
TypeScript4
Jest3

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How modern is the HackerEarth stack?

Cutting-edge AI adopter 87/100

HackerEarth scores 87 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 HackerEarth stack in its industry?

Share of the 218 companies in the same industries, whose stack Alion knows, that use each technology.

JavaScript49%
Jest6%
Mocha1%
React.js34%
Redux5%
TypeScript35%
Claude24%
LLM29%
AWS39%
Apache Kafka15%

What sets HackerEarth apart

Mocha1%

Questions about the HackerEarth tech stack

What programming languages does HackerEarth use?

The languages named in HackerEarth job postings are JavaScript (100%), TypeScript (80%), Go (20%), Java (20%), Node JS (20%), as a share of the 5 postings of the last 12 months.

Does HackerEarth use React.js?

Yes. React.js is named in 4 of 5 job postings (80%) and required in 4 of them.

What cloud and platforms does HackerEarth use?

The cloud and platforms named in HackerEarth job postings are AWS (1), Azure (1), GCP (1) (postings in brackets).

What skills do you need for a Frontend job at HackerEarth?

Frontend postings at HackerEarth most often require Git (4), JavaScript (4), React.js (4), Redux (4), out of 4 postings in the last 12 months.

Is the HackerEarth tech stack changing?

No new technology has appeared in HackerEarth job postings in the last six months.

How modern is the HackerEarth tech stack?

HackerEarth scores 87 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 HackerEarth tech stack?

Alion reads every job posting HackerEarth publishes and tags the technologies each one names. The figures on this page count the 5 postings of the last 12 months and were updated on Oct 15, 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, "HackerEarth tech stack: 30 technologies from 5 job postings", as of Oct 15, 2026. https://alion.io/company/hackerearth/technologies

Licence: CC BY-SA 4.0JSON