HackerRank tech stack
HackerRank builds mostly with Python, JavaScript, Ruby, SQL. Its stack also includes AWS, Kubernetes, Amazon Redshift, Redis. Python is named in 19 of the 33 job postings HackerRank published in the last 12 months (58%). Counted by Alion from the job postings of HackerRank, updated Sep 28, 2026.
What programming languages does HackerRank use?
Python is named in 58% of job postings at HackerRank, followed by JavaScript (27%), Ruby (18%), SQL (18%).
Python
19 58%
JavaScript
9 27%
Ruby
6 18%
SQL
6 18%
Java
6 18%
TypeScript
4 12%
Go
3 9%
Node JS
3 9%
Show all (9)
What frameworks and libraries does HackerRank use?
Cucumber is named in 9% of job postings at HackerRank, followed by Playwright (9%), Angular (3%), JAX (3%).
Cucumber
3 9%
Playwright
3 9%
Angular
1 3%
JAX
1 3%
PyTorch
1 3%
React.js
1 3%
Ruby on Rails
1 3%
Spring Boot
1 3%
Show all (9)
What databases does HackerRank use?
Amazon Redshift is named in 15% of job postings at HackerRank, followed by Redis (12%), Apache Hudi (9%), Apache Iceberg (9%).
Amazon Redshift
5 15%
Redis
4 12%
Apache Hudi
3 9%
Apache Iceberg
3 9%
ClickHouse
3 9%
Delta Lake
3 9%
Druid
3 9%
ElasticSearch
3 9%
Show all (14)
What cloud and platforms does HackerRank use?
AWS is named in 33% of job postings at HackerRank, followed by Kubernetes (27%), Apache Kafka (18%), Spark (15%).
AWS
11 33%
Kubernetes
9 27%
Apache Kafka
6 18%
Spark
5 15%
Framer
4 12%
GCP
4 12%
GitHub
4 12%
GitHub Actions
3 9%
Show all (26)
What developer tools does HackerRank use?
Docker is named in 27% of job postings at HackerRank, followed by Jenkins (18%), Cursor (15%), Rest API (15%).
Docker
9 27%
Jenkins
6 18%
Cursor
5 15%
Rest API
5 15%
Copilot
4 12%
Claude Code
3 9%
Git
3 9%
Prometheus
3 9%
Show all (17)
What AI and ML technologies does HackerRank use?
LLM is named in 21% of job postings at HackerRank, followed by Claude (6%).
Which engineering practices does HackerRank ask for?
AI Agents is named in 39% of job postings at HackerRank, followed by CI/CD (21%), RAG (15%), Agentic Workflows (9%).
AI Agents
13 39%
CI/CD
7 21%
RAG
5 15%
Fine-tuning
3 9%
RLHF
3 9%
SLI/SLO/SLA
3 9%
Function Calling
2 6%
Show all (26)
What does each HackerRank team work with?
The technologies each team's postings require most often, with the number of postings that require them.
DevOps
5 postingsDesign
5 postingsQA
3 postingsData Science
3 postingsBackend
3 postingsHow does your stack fit HackerRank?
How is the HackerRank 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 HackerRank stack?
HackerRank scores 78 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 HackerRank stack in its industry?
Share of the 1,567 companies in the same industries, whose stack Alion knows, that use each technology.
What sets HackerRank apart
Companies with a stack like HackerRank
Questions about the HackerRank tech stack
What programming languages does HackerRank use?
The languages named in HackerRank job postings are Python (58%), JavaScript (27%), Ruby (18%), SQL (18%), Java (18%), as a share of the 33 postings of the last 12 months.
Does HackerRank use Cucumber?
Yes. Cucumber is named in 3 of 33 job postings (9%) and required in 3 of them.
What cloud and platforms does HackerRank use?
The cloud and platforms named in HackerRank job postings are AWS (11), Kubernetes (9), Apache Kafka (6) (postings in brackets).
What skills do you need for a DevOps job at HackerRank?
DevOps postings at HackerRank most often require AWS (3), Docker (3), ElasticSearch (3), Grafana (3), out of 5 postings in the last 12 months.
Is the HackerRank tech stack changing?
Yes. DLP, Okta, VPN, Cucumber first appeared in HackerRank job postings in the last six months.
How modern is the HackerRank tech stack?
HackerRank scores 78 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 HackerRank tech stack?
Alion reads every job posting HackerRank publishes and tags the technologies each one names. The figures on this page count the 33 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, "HackerRank tech stack: 103 technologies from 33 job postings", as of Sep 28, 2026. https://alion.io/company/hackerrank/technologies