HackerOne tech stack
HackerOne builds mostly with Ruby, Python, SQL, Apex. Its stack also includes Anthropic, AWS, Ruby on Rails, AutoGen. Anthropic is named in 25 of the 25 job postings HackerOne published in the last 12 months (100%). Counted by Alion from the job postings of HackerOne, updated Sep 28, 2026.
What programming languages does HackerOne use?
Ruby is named in 28% of job postings at HackerOne, followed by Python (16%), SQL (8%), Apex (4%).
What frameworks and libraries does HackerOne use?
Ruby on Rails is named in 24% of job postings at HackerOne, followed by AutoGen (20%), PyTorch (16%), TensorFlow (16%).
Ruby on Rails
6 24%
AutoGen
5 20%
PyTorch
4 16%
TensorFlow
4 16%
Transformers
4 16%
LangChain
4 16%
React.js
1 4%
What databases does HackerOne use?
PostgreSQL is named in 12% of job postings at HackerOne, followed by Snowflake (4%).
PostgreSQL
3 12%
Snowflake
1 4%
What cloud and platforms does HackerOne use?
Anthropic is named in 100% of job postings at HackerOne, followed by AWS (36%), Azure (20%), GCP (20%).
AWS
9 36%
Azure
5 20%
GCP
5 20%
AWS Bedrock
5 20%
Vertex AI
5 20%
Kubernetes
3 12%
Show all (18)
What developer tools does HackerOne use?
GraphQL is named in 32% of job postings at HackerOne, followed by Semantic Kernel (20%), Terraform (8%), Docker (8%).
GraphQL
8 32%
Semantic Kernel
5 20%
Terraform
2 8%
Docker
2 8%
Claude Code
1 4%
Pulumi
1 4%
What AI and ML technologies does HackerOne use?
LLM is named in 32% of job postings at HackerOne, followed by ChatGPT (4%).
Which engineering practices does HackerOne ask for?
AI Agents is named in 100% of job postings at HackerOne, followed by Red Teaming (100%), RAG (24%), Human-in-the-Loop (16%).
AI Agents
25 100%
RAG
6 24%
Fine-tuning
4 16%
Prompt Engineering
4 16%
AIOps
2 8%
Show all (14)
What does each HackerOne team work with?
The technologies each team's postings require most often, with the number of postings that require them.
Backend
5 postingsSecurity
3 postingsHow does your stack fit HackerOne?
How much does HackerOne pay by technology?
Median stated pay of the postings that name each technology, against the median of all HackerOne postings with stated pay: $208k across 23 postings.
| Technology | Postings with pay | Median | vs company median |
|---|---|---|---|
| Anthropic | 23 | $208k | 0% |
| AWS | 8 | $221k | +6% |
| LLM | 7 | $220k | +6% |
| Ruby | 6 | $226k | +9% |
| Ruby on Rails | 6 | $226k | +9% |
| AWS Bedrock | 5 | $230k | +11% |
| AutoGen | 5 | $230k | +11% |
| Azure | 5 | $230k | +11% |
| GCP | 5 | $230k | +11% |
| Vertex AI | 5 | $230k | +11% |
How is the HackerOne 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 HackerOne stack?
HackerOne scores 85 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 HackerOne stack in its industry?
Share of the 527 companies in the same industries, whose stack Alion knows, that use each technology.
What sets HackerOne apart
Companies with a stack like HackerOne
Questions about the HackerOne tech stack
What programming languages does HackerOne use?
The languages named in HackerOne job postings are Ruby (28%), Python (16%), SQL (8%), Apex (4%), JavaScript (4%), as a share of the 25 postings of the last 12 months.
Does HackerOne use PyTorch?
Yes. PyTorch is named in 4 of 25 job postings (16%) and required in 4 of them.
What cloud and platforms does HackerOne use?
The cloud and platforms named in HackerOne job postings are Anthropic (25), AWS (9), Azure (5) (postings in brackets).
What skills do you need for a Backend job at HackerOne?
Backend postings at HackerOne most often require Anthropic (5), LLM (4), PyTorch (3), TensorFlow (3), out of 5 postings in the last 12 months.
Is the HackerOne tech stack changing?
Yes. Terraform, SQL, Burp Suite first appeared in HackerOne job postings in the last six months.
How modern is the HackerOne tech stack?
HackerOne scores 85 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 HackerOne tech stack?
Alion reads every job posting HackerOne publishes and tags the technologies each one names. The figures on this page count the 25 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, "HackerOne tech stack: 55 technologies from 25 job postings", as of Sep 28, 2026. https://alion.io/company/hackerone/technologies