Lead Java Architect for AI-Driven Enterprise Platform

Sonata Software North America Inc.; Walnut Creek (CA); On-site; USD 150,000 - 190,000; Full time

Job summary

Sonata Software North America Inc. is seeking a Lead Software Engineer to own technical direction for a large Java enterprise platform with a modern React UI, batch processing, and AWS-hosted deployments.

You will drive design and delivery across a mature codebase while modernizing architecture, cloud operations, and developer experience. You will mentor engineers, set coding standards, lead design reviews, and collaborate with product teams on external integrations, monitoring, and reliability.

Qualifications

• 8+ years of professional software engineering experience.
• 2+ years in a lead/staff/tech-lead role.
• Deep expertise in Java 8+ and enterprise codebases.
• Strong Spring (MVC, Security, Batch, SOAP/REST) and Hibernate/JPA knowledge.

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 from legacy UI to modern React and APIs.
• Own or partner on AWS deployment and reliability for containerized services.

Skills

Java

Spring Framework

Hibernate/JPA

SQL/MySQL

Maven

Tomcat

AWS

React

Leadership

Tools

ECS/Fargate

CDK

CloudWatch

Terraform

Job description

Sonata Software North America Inc. is seeking a Lead Software Engineer to own technical direction for a large Java enterprise platform with a modern React UI, batch processing, and AWS-hosted deployments.

You will drive design and delivery across a mature codebase while modernizing architecture, cloud operations, and developer experience. You will mentor engineers, set coding standards, lead design reviews, and collaborate with product teams on external integrations, monitoring, and reliability.