Java Developer (Former Walmart Project Experience)

Overview

Remote
Depends on Experience
Accepts corp to corp applications
Contract - Independent
Contract - W2
Contract - 12 Month(s)

Skills

Java
Python
PostgreSQL

Job Details

Position: Java Developer (Former Walmart Project Experience) Location: All Over US Duration: Long Term

Summary:
Experienced Java Developer with a strong background in designing, developing, and deploying enterprise-level applications. Worked extensively on Walmart s large-scale retail and e-commerce systems, focusing on performance, scalability, and customer experience. Skilled in Java, Spring Boot, microservices, cloud deployment (AWS), and DevOps practices.

Key Responsibilities:
Developed and enhanced microservices for Walmart s online retail and supply chain platforms using Java, Spring Boot, and RESTful APIs.
Integrated payment gateways, inventory management, and order fulfillment systems to improve end-to-end shopping experiences.
Collaborated with cross-functional teams including UI/UX, business analysts, and QA to deliver high-quality solutions aligned with Walmart s business needs.
Worked on scalable distributed systems to handle millions of transactions per day.
Implemented caching strategies (Redis, Hazelcast) and optimized database queries to reduce latency and improve performance.
Migrated legacy monolithic applications to cloud-native microservices deployed on AWS (ECS, Lambda, S3, DynamoDB, RDS).
Leveraged CI/CD pipelines (Jenkins, GitHub Actions, Maven, Docker, Kubernetes) to automate builds, testing, and deployments.
Applied agile methodologies (Scrum) and participated in sprint planning, daily standups, and retrospectives.

Key Achievements at Walmart:
Reduced checkout response time by 30% through API optimization and load balancing.
Contributed to Walmart s holiday season scaling initiative, ensuring high availability and zero downtime during peak traffic.
Enhanced real-time order tracking system, improving customer satisfaction scores.
Played a key role in modernizing legacy inventory applications to a microservices-based architecture.

Technical Skills:
Languages: Java, Python (basic), SQL, PL/SQL
Frameworks: Spring Boot, Hibernate, JPA, Apache Kafka
Databases: PostgreSQL, Cassandra, Oracle, MySQL
Cloud & DevOps: AWS (EC2, ECS, S3, Lambda, RDS, DynamoDB), Jenkins, Docker, Kubernetes, Git
Other Tools: TIBCO BusinessWorks, MuleSoft (API development), RESTful & SOAP Web Services

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