Jobs → Engineering → Lead Java Developer with React

About the Role We are looking for a Lead Java Developer with React experience to join our team in Walnut Creek, CA. This role involves owning technical direction for a large multi-module Java enterprise platform with a modern React UI. Key Responsibilities • Lead end-to-end delivery of features across backend services, APIs, UI, and integrations • Architect and review solutions in a large Maven multi-module Java/Spring application • Guide evolution of the platform: legacy server-rendered UI alongside modern React, APIs, and batch jobs • Own or partner on AWS deployment and reliability for containerized Tomcat services (ECS, CDK pipelines, secrets, observability) • Mentor engineers, set coding standards, drive design reviews, and improve CI/CD and release quality • Partner with product and stakeholders on external integrations • Diagnose production issues across application, database, and infrastructure layers; strengthen monitoring and runbooks • Optionally lead or contribute to AI-agent initiatives that automate workflows, data handling, or developer productivity Requirements • Deep expertise in Java (Java 8+; comfort with large enterprise codebases) • Strong hands-on experience with Spring (MVC, Security, Batch, SOAP/REST), Hibernate/JPA, and relational data modeling • Solid SQL / MySQL skills: schema design, query tuning, transactional integrity • Experience with Maven, multi-module builds, and Tomcat (or similar Java app servers) • Proven AWS experience in production: ideally ECS/Fargate, ECR, ALB, Secrets Manager / SSM, S3, CloudWatch, and IaC (CDK, CloudFormation, or Terraform) • Experience modernizing or maintaining legacy enterprise systems while delivering incremental improvements safely.