Sr Java Developer
Sonata Software•San Antonio, TX
•Hybrid
About The Position
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.
Requirements
- 8+ years professional software engineering experience
- 2+ years in a lead / staff / tech-lead capacity
- 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
Nice To Haves
- React (or similar SPA) experience — Vite, Redux/RTK, Material UI a plus
- Observability: Datadog, structured logging, APM, on-call practices
- Docker, CI/CD (Jenkins, CodePipeline/CodeBuild), artifact registries (CodeArtifact/Nexus)
- AI agent building experience (plus): Tool-calling agents, MCP, or workflow automation agents applied to enterprise systems
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
Benefits
- Equal Opportunity Employer encouraging diversity in the workplace.
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
No Education Listed
