HackerRank Tech Stack

Technical hiring platform with coding assessments and skills evaluation

Software Development Santa Clara, California 201–500 employees Founded 2012 Privately Held

HackerRank operates a developer skills assessment platform used by 2500+ companies to screen and hire engineers. The stack—Python, React, Kubernetes, PostgreSQL, Kafka, plus emerging LLM-powered evaluation pipelines—reflects an engineering org shifting toward AI-driven candidate ranking. Active projects on agentic workflows, LLM evaluation, and a Chakra-based AI interviewer signal a move beyond static coding challenges into conversational technical assessment. The engineering-heavy hiring mix (24 of 47 open roles) emphasizes shipping speed and evaluation quality simultaneously—a tension visible in their stated pain points around latency, model drift, and scaling evaluation at production volume.

Tech Stack 84 technologies

Core StackPostman Python Ruby AWS New Relic Okta React JavaScript Webpack TypeScript Kubernetes Terraform Go Java PostgreSQL MySQL Kafka Playwright CVAT Label Studio Insomnia cURL Visual Studio Code IntelliJ IDEA PyCharm GCP SAML OIDC SCIM Babel+50 more

AdoptingRAG Chakra UI

What HackerRank Is Building

◆Challenges

Model drift
Speed & quality tradeoff
Latency constraints for live assessment
Scalable evaluation at production scale
Shipping faster while maintaining quality
Manual bottlenecks in data pipeline
Maintaining performance at scale
Reliability issues
Friction in platform
Preventing misuse of online assessments

▲Active Projects

Customer pilots and demos
Evaluation and benchmarking pipelines
Automation-first quality strategy across web, api, and ai-driven systems
Designing scalable api frameworks
Evaluation methodology development
Llm-powered evaluation pipelines
Chakra ai interviewer development
Agentic workflow automation for vendor briefing
Take-home assessment product
Customer evaluation and adoption

Hiring Activity

Accelerating45 roles · 25 in 30d

Department

Engineering

Sales

Marketing

Support

Data

Product

Design

Seniority

Senior

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About HackerRank

HackerRank is a technical hiring platform that enables recruiters and hiring managers to assess developer skills at scale. The platform serves 2500+ companies globally, offering coding tests, technical candidate filtering, and objective talent evaluation throughout the recruiting pipeline. Based in Santa Clara with 201–500 employees, the company hires across India, the United States, Peru, and the United Kingdom. Their core challenge spans three dimensions: maintaining low-latency live assessments, preventing assessment misuse, and automating manual data pipeline steps while sustaining evaluation quality as volume grows.

HeadquartersSanta Clara, California

Company Size201–500 employees

Founded2012

Hiring MarketsIndia, United States, Peru, United Kingdom

Frequently Asked Questions

What tech stack does HackerRank use?

HackerRank's core stack includes Python, React, PostgreSQL, Kafka, Kubernetes, Terraform, Go, and Java. They also use AWS and GCP for infrastructure, Okta for identity, and New Relic for observability. Adopting technologies include Chakra UI and RAG patterns for AI-driven features.

What countries does HackerRank hire in?

HackerRank actively hires across four countries: United States, India, United Kingdom, and Peru. The United States and India appear to be the largest hiring regions based on role distribution.

How this profile is built

HackerRank's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.