Backend Engineer II — Scalable APIs & Systems

HackerRank; Santa Clara (CA); Hybrid; USD 150,000 - 172,000; Full time

Benefits offered by this job

Equity (stock options)

Cash and non-cash benefits

Job summary

HackerRank is seeking a Backend Software Development Engineer who thrives on solving complex architectural problems and delivering high-impact features. You will own server-side logic, database architecture, and integration with front-end elements, ensuring fast, reliable, and scalable operations as our user base grows.

Responsibilities include building robust backend code, designing RESTful or GraphQL APIs, and optimizing databases.

Qualifications

• Backend engineer with 2+ years of server-side development experience.
• Proficient in at least one modern backend language (Python, Ruby, Go, Java, Node.js).
• Knowledge of REST and GraphQL API design principles and web standards.

Responsibilities

• Design, build, and maintain backend code for new product features.
• Develop and integrate RESTful or GraphQL APIs for front-end and external clients.
• Design and optimize SQL/NoSQL database schemas for data integrity and performance.
• Collaborate with frontend, product, and design teams to translate requirements into solutions.
• Troubleshoot production issues and drive performance improvements.
• Write unit and integration tests to ensure code quality and stability.

Skills

Backend development

API design

Relational DBs

Distributed systems

Caching

CI/CD

Docker

Messaging systems

Tools

PostgreSQL

MySQL

Redis

Memcached

Kafka/RabbitMQ

REST/GraphQL

Job description

HackerRank is seeking a Backend Software Development Engineer who thrives on solving complex architectural problems and delivering high-impact features. You will own server-side logic, database architecture, and integration with front-end elements, ensuring fast, reliable, and scalable operations as our user base grows.

Responsibilities include building robust backend code, designing RESTful or GraphQL APIs, and optimizing databases.