Java Lead Developer

Location: Charlotte, NC
Work Arrangement: Onsite
Employment Type: Contract (C2C / W2)
Visa: USC / H4 EAD / H1B

About the role

We are seeking a Java Lead Developer with 15+ years of experience and strong hands-on expertise in enterprise application development, microservices, Spring Boot, REST APIs, cloud, and modern DevOps practices.

Requirements

• 15+ years of Java development experience with Lead-level experience
• Core Java 8/11/17+, OOP, Multithreading, Collections, Streams
• Spring Boot, Spring MVC, Spring Framework
• Microservices & REST APIs
• Spring Data JPA / Hibernate
• Strong SQL (Oracle / PostgreSQL / MySQL / SQL Server)
• Kafka / Messaging
• AWS / Azure / GCP
• Docker & Kubernetes / EKS
• CI/CD, Jenkins / GitHub Actions
• Git, Maven / Gradle
• JUnit, Mockito, Integration Testing
• Agile / Scrum
• System Design & Distributed Systems

Nice to Have

• Spring Security, OAuth2/JWT
• Redis, MongoDB
• AWS services
• Event-Driven Architecture
• API Gateway
• JVM Optimization
• React / Angular

Responsibilities

• Lead the design and development of scalable Java applications and Spring Boot microservices
• Drive application modernization
• Mentor development teams
• Oversee integrations and cloud-native deployments
• Support CI/CD and DevOps initiatives
• Troubleshoot production issues
• Conduct code reviews
• Collaborate with architects, QA, DevOps, and product teams