Backend Engineer II

Join HackerRank as a Backend Engineer II in Bengaluru, India, and play a pivotal role in shaping the future of developer recruitment and skill development. You will be instrumental in designing, building, and maintaining the robust server-side architecture that supports millions of developers globally.

Key Responsibilities:

• Develop and maintain efficient, reusable, and reliable backend code to implement new product features and improvements.
• Create and integrate RESTful or GraphQL APIs to support front-end applications and external partners.
• Design and optimize complex database schemas (SQL and NoSQL) for data integrity and high-performance queries at scale.
• Collaborate closely with frontend engineers, product managers, and designers to transform requirements into scalable and effective technical solutions.
• Diagnose and resolve production issues, identify performance bottlenecks, and implement optimizations across the entire application stack.
• Write comprehensive unit and integration tests to guarantee code quality and system stability.

What We're Looking For:

• Minimum of 2 years of experience in backend software development.
• Proficiency in at least one modern backend language such as Python, Ruby, Go, Java, or Node.js.
• A solid understanding of API design principles (REST, GraphQL) and web standards.
• Extensive experience with relational databases (e.g., PostgreSQL, MySQL) and familiarity with NoSQL databases.
• Knowledge of distributed systems, caching strategies (e.g., Redis, Memcached), and asynchronous messaging queues (e.g., Kafka, RabbitMQ).
• Experience with containerization tools like Docker and basic understanding of CI/CD pipelines.

Bonus Points:

• Experience with high-traffic, customer-facing web applications.
• Strong understanding of system design principles and architectural patterns (e.g., Microservices, Domain-Driven Design).
• Familiarity with cloud platforms (AWS, GCP, Azure) and serverless computing.
• Proven ability to optimize legacy code for enhanced performance and maintainability.

You'll Excel If:

• You are passionate about delivering high-quality code that directly addresses user needs.
• You embrace ownership of your work, from conceptualization to deployment and ongoing monitoring.
• You enjoy deconstructing complex requirements into clear, logical, and scalable technical designs.
• You value teamwork and actively participate in code reviews and architectural discussions.