Role Overview

The C-Returns Platform team owns the end-to-end lifecycle of cancellations, returns, and exchanges for Coupang's e-commerce ecosystem. We process millions of post-purchase resolution requests through our customer facing Coupang App and CS/back-office channels, serving both Korea and Taiwan markets. Our platform is mission-critical infrastructure that directly impacts:

- Customer satisfaction making post-purchase resolution fast, transparent, and predictable
- Inventory protection minimizing inventory loss through structured collection logistics, QA inspections, and time-bound auto-withdrawal policies
- Business agility enabling rapid policy changes through event-driven architecture with visibility and adaptability

What You Will Do

- Build and maintain Tier 1 & Tier 2 services that handle 500K+ requests/day across multiple microservices
- Design and implement complex business workflows using Activiti BPMN and Temporal Cloud for orchestrating cancellations, returns, exchanges, and refunds
- Integrate with 15+ upstream and downstream systems including Order, Shipment, Payments, Transport.
- Implement policy-driven business logic that adapts to frequently changing cancellation, return, and refund rules

Basic Qualifications





- 7+ years of backend software engineering experience
- Strong proficiency in building distributed systems and microservices architecture
- Experience with high-throughput, low-latency systems handling millions of requests
- Experience with event-driven architectures using Kafka or similar messaging systems
- Solid problem-solving skills and ability to debug complex distributed systems
- Excellent collaboration skills to work with cross-functional teams (Product, CS, Logistics, Payment)

Preferred Qualifications

- Backend development (Java, Kotlin, or similar JVM languages preferred)
- RESTful API design and implementation
- Database design and optimization (MySQL, Aurora)
- Message queue systems (Kafka)
- Workflow engines (Activiti BPMN, Temporal)
- Monitoring and alerting (Grafana, CloudWatch)
- Version control (Git)
- CI/CD tools (CircleCI or similar)

Disclaimer : This job posting has been aggregated from external source. Role details, content, and availability are subject to change. Applicants are advised to confirm the latest information directly on the company website before applying.

📌 Staff Engineer - Backend (Post Purchase Experience) (Bengaluru)
🏢 Coupang
📍 Bengaluru