Senior Backend Engineer, Security Platform

Coupang; Singapore; On-site; SGD 110,000 - 180,000; Full time

Job summary

Coupang is seeking a Senior Staff/Staff Engineer for the Security Infrastructure team in Singapore. You will build the platform that safeguards customers and the company by advancing our dynamic authorization engine across thousands of services, focusing on usability, reliability, and scale.

You will work on back-end APIs in Java and Go within a fast-paced, high-tech environment and collaborate with multiple teams to drive platform adoption and operational excellence.

Qualifications

• Bachelor's degree in computer science or related technical field.
• 8+ years of professional software development experience, or 6 years with an advanced degree.
• 2+ years leading technical projects.
• Fluent in C++, Java, and Go.
• Hands-on experience designing and developing large-scale distributed systems.
• Proven track record delivering mission-critical systems.
• Experience with cloud computing (AWS, Azure or GCP).
• Deep understanding of cloud applications design, API design patterns, performance and scale.

Responsibilities

• Develop authentication and authorization platforms and iterate rapidly with a small, high-performing team.
• Collaborate with cross-functional teams to understand needs and future direction.
• Design robust, scalable architectures balancing strategic goals and immediate impact.
• Demonstrate excellence in architecture and design for reliable systems.
• Write back-end APIs in Java and Go using standard frameworks.
• Drive platform adoption across teams and prioritize ruthlessly."Move with urgency".
• Investigate critical system issues and raise the bar on operational excellence.
• Serve as a role model and shape team culture.

Skills

C++

Java

Go

Distributed systems

Cloud computing (AWS/Azure/GCP)

API design

Security awareness

Education

Bachelor's degree in computer science

Master's or PhD in related field

Job description

Coupang is seeking a Senior Staff/Staff Engineer for the Security Infrastructure team in Singapore. You will build the platform that safeguards customers and the company by advancing our dynamic authorization engine across thousands of services, focusing on usability, reliability, and scale.

You will work on back-end APIs in Java and Go within a fast-paced, high-tech environment and collaborate with multiple teams to drive platform adoption and operational excellence.