Senior Staff Back-end Engineer (Rocket Pay)

The role

The Senior Staff Backend Engineer defines the technical direction for the Rocket Pay domain and leads the architecture and engineering strategy for the payment platform. This role involves operating large-scale payment infrastructure and providing technical leadership through design reviews and mentoring.

What you will do

• Define technical direction for the Rocket Pay core domain
• Lead payment platform architecture and engineering strategy
• Operate large-scale payment infrastructure
• Take end-to-end responsibility for system stability, scalability, security, and performance
• Perform design reviews
• Make technical decisions
• Mentor engineers

Required qualifications

• 12+ years of backend engineering experience
• Ability to design and operate large-scale distributed systems based on Java/Kotlin and the Spring Framework
• Experience owning and proactively driving improvements for one or more complex services or domains with strong ownership
• Ability to design systems with strong consideration for performance, reliability, data consistency, and security
• Experience structuring ambiguous problems and making technical decisions that resulted in tangible business impact
• Ability to understand customer experience and business requirements and translate them into well-architected technical solutions

Nice to have

• Experience leading architecture design and migration in JPA- and MSA-based environments
• Experience in development and operations within the Payment / Fintech domain
• Experience responding to incidents, building monitoring systems, and improving SLAs in high-traffic environments
• Experience handling large-scale data processing with strong guarantees around settlement and reconciliation accuracy
• Experience demonstrating technical leadership in agile software development environments
• Experience influencing other engineers through sound technical judgment and system design decisions

Before you apply

• Hiring may be restricted if legal qualifications required for hiring and work performance are not met
• Job titles and responsibilities may be subject to change depending on overall experience

About the company

Coupang Pay focuses on delivering innovative payment and financial services solutions to consumers and sellers using Coupay and Rocket Pay. The fintech business aims to reimagine financial services for Coupang customers and marketplace vendors.