SDE- eCommerce Order-to-Cash (OTC) USCGC only

Contract: Long-Term W2 or GC
Location: Seattle/Redmond WA 5 Days Onsite Required

We are hiring multiple Senior Software Development Engineers (SDEs) to support a large-scale eCommerce / Order-to-Cash (OTC) platform working onsite with a high-performance engineering team. This role is ideal for backend engineers with strong Java AWS and microservices experience who enjoy solving complex distributed-system challenges.

Position Highlights
Java / Spring Boot
AWS (Lambda API Gateway DynamoDB ECS/EKS SQS/SNS)
Microservices Architecture
REST APIs
Distributed Systems
Order-to-Cash (OTC)
High-Volume eCommerce
Data Structures & Algorithms
LeetCode-Style Interview
Onsite Seattle/Redmond

Responsibilities
Develop and enhance scalable Java/Spring Boot microservices for eCommerce and OTC workflows
Design and deploy REST APIs AWS-native services and event-driven components
Improve system reliability performance monitoring and fault tolerance
Build automation CI/CD pipelines logging and dashboards
Support full lifecycle for complex features: order mgmt billing payments reconciliation
Collaborate with product QA PMs and architects in a fast-moving onsite engineering environment
Participate in code reviews grooming sprint planning and design discussions

Required Qualifications
5 years backend development experience
Strong hands-on experience with Java Spring Boot REST APIs
Solid foundation in data structures algorithms system design
AWS proficiency: Lambda API Gateway S3 DynamoDB RDS SQS/SNS
Experience with microservices distributed architectures asynchronous messaging
Strong debugging and performance-tuning skills
Experience with Order-to-Cash (OTC) telecom or large-scale eCommerce preferred
CI/CD with GitHub Jenkins Docker Kubernetes