Backend Engineer II

change the world to value skills over pedigree

About the role

Millions of developers use HackerRank every day to practice, compete and get hired. Behind that experience is a backend built to handle massive scale without breaking a sweat.

As a Backend Engineer II, you’ll design and build the systems that keep it all running- fast, reliable and ready for growth. You’ll design distributed architectures, write clean and efficient code and ship features end-to-end with product and design. Every decision you make will shape how developers and companies connect on HackerRank.

What you’ll do

• Lead projects from architecture to deployment, ensuring performance and reliability.
• Build and optimize scalable, distributed systems that handle millions of requests daily.
• Write clean, maintainable code and raise engineering quality through reviews and mentorship.
• Partner with product, design, and stakeholders to deliver impactful solutions.
• Shape team culture by leading discussions, mentoring peers, and supporting hiring efforts
• Use AI-powered development tools to accelerate coding, debugging, and automation workflows.

Who you are

• A backend product engineer with 2+ years of experience building production-ready web app.
• Strong in database design and optimisation, with a deep understanding of relational data.
• Confident working across AWS, CI/CD pipelines, and observability tools.
• Known for designing systems that scale gracefully while staying clean and maintainable.
• Early to adopt AI coding tools like Copilot, Cursor, or ChatGPT to move faster and ship better.
• A clear communicator and effective collaborator across engineering, product, and design.

Even better if you have

• Hands-on experience with Docker, Kubernetes, or secure deployment workflows.
• Awareness of common application security pitfalls and how to avoid them.
• Built automation powered by AI/LLMs to reduce manual effort or improve developer productivity.

You will thrive in this role if

• You think like a product engineer - solving for the user, not just the spec.
• You’re excited about building with AI, but care just as much about accuracy, safety, and UX.
• Tackling hard engineering problems motivates you and you enjoy seeing your solutions at scale.

Want to learn more about HackerRank?

HackerRank is a proud equal employment opportunity and affirmative action employer. We provide equal opportunity to everyone for employment based on individual performance and qualification. We never discriminate based on race, religion, national origin, gender identity or expression, sexual orientation, age, marital, veteran, or disability status. All your information will be kept confidential according to EEO guidelines.

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