Sr Java Developer

<p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-family:Arial, sans-serif;font-size:11pt;">Job Title: Sr Java Developer</span></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Location: Walnut Creek, CA (Hybrid)</span></p><p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-family:Arial, sans-serif;font-size:14.6667px;">Experience: 10+ years</span></p><p></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><br /></p><p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"></p><p><span style="font-family:Arial, sans-serif;font-size:11pt;"> </span></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><b><span style="font-size:11pt;font-family:Arial, sans-serif;">About the role</span></b></p><p><b></b></p><b></b> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">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.</span></p><p></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">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.</span></p><p></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;"> </span></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><b><span style="font-size:11pt;font-family:Arial, sans-serif;">What you’ll do</span></b></p><p><b></b></p><b></b> <ul style="margin-top:0in;" type="disc"> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Lead end-to-end delivery of features across backend services, APIs, UI, and integrations</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Architect and review solutions in a large Maven multi-module Java/Spring application</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Guide evolution of the platform: legacy server-rendered UI alongside modern React, APIs, and batch jobs</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Own or partner on AWS deployment and reliability for containerized Tomcat services (ECS, CDK pipelines, secrets, observability)</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Mentor engineers, set coding standards, drive design reviews, and improve CI/CD and release quality</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Partner with product and stakeholders on external integrations.</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Diagnose production issues across application, database, and infrastructure layers; strengthen monitoring and runbooks</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Optionally lead or contribute to AI-agent initiatives that automate workflows, data handling, or developer productivity</span><p></p></li> </ul> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;"> </span><b><span style="font-size:11pt;font-family:Arial, sans-serif;">Required qualifications</span></b></p> <ul style="margin-top:0in;" type="disc"> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">8+ years professional software engineering experience; 2+ years in a lead / staff / tech-lead capacity</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Deep expertise in Java (Java 8+; comfort with large enterprise codebases)</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Strong hands-on experience with Spring (MVC, Security, Batch, SOAP/REST), Hibernate/JPA, and relational data modeling</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Solid SQL / MySQL skills: schema design, query tuning, transactional integrity</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Experience with Maven, multi-module builds, and Tomcat (or similar Java app servers)</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Proven AWS experience in production: ideally ECS/Fargate, ECR, ALB, Secrets Manager / SSM, S3, CloudWatch, and IaC (CDK, CloudFormation, or Terraform)</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Experience modernizing or maintaining legacy enterprise systems while delivering incremental improvements safely</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Strong design, debugging, and communication skills; ability to lead without blocking the team</span><p></p></li> </ul> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><b><span style="font-size:11pt;font-family:Arial, sans-serif;">Preferred qualifications</span></b></p><p><b></b></p><b></b> <ul style="margin-top:0in;" type="disc"> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">React (or similar SPA) experience — Vite, Redux/RTK, Material UI a plus</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Observability: Datadog, structured logging, APM, on-call practices</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Docker, CI/CD (Jenkins, CodePipeline/CodeBuild), artifact registries (CodeArtifact/Nexus)</span><p></p></li> <li class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">AI agent building experience (plus): Tool-calling agents, MCP, or workflow automation agents applied to enterprise systems</span><p></p></li> </ul> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;"> </span></p><p></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;"> </span></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">ABOUT SONATA SOFTWARE</span></p><p></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">Sonata Software is an AI-first modernization engineering company that helps enterprises transform legacy systems into intelligent, scalable business platforms. Powered by its Platformation™ framework and Harmoni.AI platform, Sonata delivers AI-led modernization across cloud, data, AI, Dynamics, test automation, and managed services. Headquartered in Bengaluru, India, Sonata has more than $1.2 billion in revenue and 6,400+ AI engineers supporting global delivery across regions including the US, UK, India, Malaysia, Mexico, Australia, DACH, and the Nordics. With deep partnerships across Microsoft, AWS, Salesforce, and Snowflake, Sonata helps Fortune 500 enterprises accelerate innovation, improve efficiency, and drive sustainable growth.</span></p><p></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;">For more information, please visit </span><a href="http://www.sonata-software.com" target="_blank" rel="noreferrer noopener"><span style="font-size:11pt;font-family:Arial, sans-serif;">www.sonata-software.com</span></a><span style="font-size:11pt;font-family:Arial, sans-serif;"> </span></p><p></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><span style="font-size:11pt;font-family:Arial, sans-serif;"> </span></p> <p class="MsoNormal" style="margin-bottom:0in;line-height:normal;"><b><span style="font-size:11pt;font-family:Arial, sans-serif;">Sonata Software is an Equal Opportunity Employer encouraging diversity in the workplace. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity, age, religion, disability, sexual orientation, veteran status, marital status, or any other characteristics protected by law</span></b></p>