Full Stack Java Developer eCommerce / Order-to-Cash (OTC) platform is must at Inabia Software & Consulting

Contract: Long-Term | W2 or GCLocation: Seattle/Redmond, WA – 5 Days Onsite RequiredWe 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/RedmondResponsibilities      •     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 discussionsRequired 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