Java Full stack Developer ( eCommerce / Order-to-Cash (OTC) platform )

Contract: Long-Term | W2

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