W2 Only :: Lead Java Developer with React
Greetings, My name is Rahul Kohli and I'm a Senior Technical Recruiter at Envision technology solutions, our records show that you are an experienced IT professional with Lead Java Developer with React this experience is relevant to one of my current openings, The opening requires Lead Java Developer with React to the above skills. It is in Walnut Creek, CA (Hybrid).
Job Title: Lead Java Developer with React
Location: Walnut Creek, CA (Hybrid)
Type: Contract (w2)
Note:
Local to Walnut Creek, CA Only. Mandatory skills:-10+ years professional software engineering experience; 2+ years in a lead / staff / tech-lead capacity Minimum 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
Job description:
We 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.
What you’ll do:
- 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
Required qualifications:
- 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
- Strong design, debugging, and communication skills; ability to lead without blocking the team
Preferred qualifications:
- Observability: Datadog, structured logging, APM, on-call practices
- Docker, CI/CD (Jenkins, CodePipeline/CodeBuild), artifact registries (CodeArtifact/Nexus)
- Warm Regards, www.envisiontechsol.com10130 Mallard Creek Rd, Charlotte NC, 28262 Rahul KohliSr. Technical Recruiter
- Envision Technology SolutionsE: rahul.kumar@envisiontechsol.comLinkedIn: https://www.linkedin.com/in/rahul-k-536271184/