Senior Software Engineer (Backend)

HackerEarth is an AI-powered developer assessment and talent management platform that helps enterprises build high-performing tech teams. We work with 1,000+ global customers and millions of developers worldwide, solving complex hiring and skill intelligence problems at scale.

At HackerEarth, engineers don't just write codethey shape products used by developers across the globe.

Role Overview

Senior Backend Engineer

Key Responsibilities

• Design, develop, and maintain scalable backend services and APIs
  
• Own end-to-end backend featuresfrom architecture to deployment and monitoring
  
• Write clean, maintainable, and testable code following best practices
  
• Optimize applications for performance, scalability, and reliability
  
• Work with databases (SQL & NoSQL) and ensure data integrity and efficiency
  
• Collaborate closely with product managers, frontend engineers, and designers
  
• Mentor junior engineers and contribute to engineering best practices
  
• Participate in code reviews, design discussions, and system architecture planning

Must-Have Skills

• 2-4 years of hands-on backend development experience
  
• Strong proficiency in

  Java / Python / Node.js

  (any one or more)
• Solid understanding of

  data structures, algorithms, and system design

• Experience building and scaling

  RESTful APIs / Microservices

• Strong experience with

  SQL databases

  (MySQL, PostgreSQL)
• Familiarity with

  cloud platforms

  (AWS/GCP/Azure)
• Experience with

  Docker

  and basic CI/CD concepts
• Strong problem-solving skills and ownership mindset

Good-to-Have Skills

• Experience with

  distributed systems and high-scale architectures

• Exposure to

  NoSQL databases

  (MongoDB, Redis, Elasticsearch)
• Knowledge of

  message queues

  (Kafka, RabbitMQ, SQS)
• Experience working in

  product-based or SaaS companies

• Prior mentoring or technical leadership experience

What Youll Love About Working Here

• Opportunity to work on products used by millions of developers globally
  
• High ownership, low bureaucracy, and fast decision-making
  
• Strong engineering culture with focus on quality and scalability
  
• Direct impact on product direction and technical decisions
  
• Competitive compensation and growth-oriented environment

Why Join HackerEarth?

If you enjoy solving complex engineering problems, working in a fast-paced product environment, and want your work to directly impact how companies hire and assess developers globallyHackerEarth is the place for you.