HackerRank tech stack
HackerRank builds mostly with Python, JavaScript, Ruby, SQL. Its stack also includes AWS, Kubernetes, Amazon Redshift, Redis. Python is named in 21 of the 41 job postings HackerRank published in the last 12 months (51%). Counted by Alion from the job postings of HackerRank, updated Nov 12, 2026.
What programming languages does HackerRank use?
Python is named in 51% of job postings at HackerRank, followed by JavaScript (27%), Ruby (17%), SQL (15%).
Python
21 51%
JavaScript
11 27%
Ruby
7 17%
SQL
6 15%
Java
6 15%
TypeScript
5 12%
Go
4 10%
Node JS
4 10%
Show all (9)
What frameworks and libraries does HackerRank use?
Cucumber is named in 10% of job postings at HackerRank, followed by JAX (10%), Playwright (10%), PyTorch (10%).
Cucumber
4 10%
JAX
4 10%
Playwright
4 10%
PyTorch
4 10%
Transformers
4 10%
Angular
1 2%
React.js
1 2%
Ruby on Rails
1 2%
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What databases does HackerRank use?
Amazon Redshift is named in 12% of job postings at HackerRank, followed by Redis (10%), Apache Hudi (7%), Apache Iceberg (7%).
Amazon Redshift
5 12%
Redis
4 10%
Apache Hudi
3 7%
Apache Iceberg
3 7%
ClickHouse
3 7%
Delta Lake
3 7%
Druid
3 7%
ElasticSearch
3 7%
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What cloud and platforms does HackerRank use?
AWS is named in 29% of job postings at HackerRank, followed by Kubernetes (27%), Apache Kafka (15%), GCP (12%).
AWS
12 29%
Kubernetes
11 27%
Apache Kafka
6 15%
GCP
5 12%
Spark
5 12%
Framer
4 10%
GitHub
4 10%
GitHub Actions
4 10%
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What developer tools does HackerRank use?
Docker is named in 24% of job postings at HackerRank, followed by Jenkins (17%), Cursor (15%), Rest API (15%).
Show all (17)
What AI and ML technologies does HackerRank use?
LLM is named in 22% of job postings at HackerRank, followed by LoRA (7%), PEFT (7%), QLoRA (7%).
Which engineering practices does HackerRank ask for?
AI Agents is named in 41% of job postings at HackerRank, followed by CI/CD (20%), Fine-tuning (15%), RAG (12%).
AI Agents
17 41%
CI/CD
8 20%
Fine-tuning
6 15%
RAG
5 12%
Knowledge Distillation
4 10%
RLHF
4 10%
Show all (25)
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
4 postingsAI/ML
4 postingsData Science
3 postingsIndustrial Engineering
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 84 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: 5; legacy ones: 0.
How common is the HackerRank stack in its industry?
Share of the 334 companies in the same industries, whose stack Alion knows, that use each technology.
What sets HackerRank apart
Companies with a stack like HackerRank
HyrMe
77 shared technologies
Arintra
76 shared technologies
Cornerstone OnDemand
80 shared technologies
PointClickCare
75 shared technologies
Airbnb
77 shared technologies
Coupa Software
76 shared technologies
Proofpoint
79 shared technologies
Check Point Software Technologies
78 shared technologies
Questions about the HackerRank tech stack
What programming languages does HackerRank use?
The languages named in HackerRank job postings are Python (51%), JavaScript (27%), Ruby (17%), SQL (15%), Java (15%), as a share of the 41 postings of the last 12 months.
Does HackerRank use Cucumber?
Yes. Cucumber is named in 4 of 41 job postings (10%) and required in 4 of them.
What cloud and platforms does HackerRank use?
The cloud and platforms named in HackerRank job postings are AWS (12), Kubernetes (11), 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. LoRA, PEFT, QLoRA, Quantization first appeared in HackerRank job postings in the last six months.
How modern is the HackerRank tech stack?
HackerRank scores 84 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: 5; 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 41 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, "HackerRank tech stack: 105 technologies from 41 job postings", as of Nov 12, 2026. https://alion.io/company/hackerrank/technologies