Hybrid Backend Engineer II

at HackerRank

• Job title: Backend Engineer II
• Job type: Full Time
• Experience level: Junior, Mid level
• Salary: Not specified
• Degree requirement: No Education Requirement
• Tech skills: Distributed Systems, Docker, GraphQL, Java, JavaScript, Kafka, MySQL, Node.js, NoSQL, Postgres, Python, RabbitMQ, Redis, Ruby, SQL, Go
• Location requirements: Hybrid, Bangalore, India

About the role

• Backend Engineer II at HackerRank delivering high-impact features and ensuring server-side logic reliability. Collaborating with teams to optimize application performance and data integrity.

Responsibilities

• Design, build, and maintain efficient, reusable, and reliable backend code to support new product features and enhancements
• Develop and integrate RESTful or GraphQL APIs to serve front-end applications and external clients
• Design and optimize database schemas (SQL and NoSQL) to ensure data integrity and query performance at scale
• Collaborate with frontend developers, product managers, and designers to translate requirements into robust technical solutions
• Troubleshoot production issues, identify bottlenecks, and drive performance optimizations across the application stack
• Write comprehensive unit and integration tests to ensure high code quality and system stability

Requirements

• 2+ years of experience in server-side software development
• Proficient in at least one modern backend programming language (e.g., Python, Ruby, Go, Java, or Node.js)
• Deep understanding of API design principles (REST, GraphQL) and web standards
• Strong experience with relational databases (PostgreSQL, MySQL) and familiarity with NoSQL stores
• Knowledge of distributed systems, caching mechanisms (Redis/Memcached), and asynchronous messaging (Kafka/RabbitMQ)
• Familiarity with containerization (Docker) and basic CI/CD workflows

Benefits

• Equal employment opportunity
• Affirmative action employer
• Confidential information handling