Full Stack Java Developer– eCommerce / Order-to-Cash (OTC) platform is must
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