{"schemaVersion":"jobsearcher.job.v1","id":"0c3176cfeb7d895a79e9c69a","url":"https://jobsearcher.com/jobs/0c3176cfeb7d895a79e9c69a","canonicalUrl":"https://jobsearcher.com/jobs/0c3176cfeb7d895a79e9c69a","title":"Java React Developer","description":"Java React Developer W2 Role Onsite Role F2F interview in CA LocaL Candidate onlyWalnut Creek, CA (Hybrid)Long term contractIn-person interview with client Mandatory skills:-8+ years professional software engineering experience; 2+ years in a lead / staff / tech-lead capacityMinimum of 3-4 years of hands-on React experience is mandatory.AI agent building experience (plus): Tool-calling agents, MCP, or workflow automation agents applied to enterprise systems About the roleWe are hiring a Lead Software Engineer to own technical direction for a large multi-module Java enterprise platform with a modern React UI, batch processing, partner integrations, and AWS-hosted containerized deployments.You will lead design and delivery across a mature codebase while modernizing architecture, cloud operations, and developer experience.Experience building AI agents / LLM-powered workflows is a strong plus.Required qualificationsDeep 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 modelingSolid SQL / MySQL skills: schema design, query tuning, transactional integrityExperience 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 safelyStrong design, debugging, and communication skills; ability to lead without blocking the team","company":"Wandata Tech","rawCompany":"wandata tech","city":"California","state":"MO","isRemote":false,"isActive":false,"createdAt":"2026-11-12T09:47:47.251Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1254.00","title":"Web Developers","slug":"web-developers"},{"code":"15-1251.00","title":"Computer Programmers","slug":"computer-programmers"}],"industries":[{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Java React Developer","description":"Java React Developer W2 Role Onsite Role F2F interview in CA LocaL Candidate onlyWalnut Creek, CA (Hybrid)Long term contractIn-person interview with client Mandatory skills:-8+ years professional software engineering experience; 2+ years in a lead / staff / tech-lead capacityMinimum of 3-4 years of hands-on React experience is mandatory.AI agent building experience (plus): Tool-calling agents, MCP, or workflow automation agents applied to enterprise systems About the roleWe are hiring a Lead Software Engineer to own technical direction for a large multi-module Java enterprise platform with a modern React UI, batch processing, partner integrations, and AWS-hosted containerized deployments.You will lead design and delivery across a mature codebase while modernizing architecture, cloud operations, and developer experience.Experience building AI agents / LLM-powered workflows is a strong plus.Required qualificationsDeep 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 modelingSolid SQL / MySQL skills: schema design, query tuning, transactional integrityExperience 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 safelyStrong design, debugging, and communication skills; ability to lead without blocking the team","datePosted":"2026-11-12T09:47:47.251Z","dateModified":"2026-11-12T09:47:47.251Z","hiringOrganization":{"@type":"Organization","name":"Wandata Tech","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"California","addressRegion":"MO","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"0c3176cfeb7d895a79e9c69a"},"url":"https://jobsearcher.com/jobs/0c3176cfeb7d895a79e9c69a"}}