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# Sr. Java Engineer / Rest API, Microservices / SQL / Kafka / AWS - Newpoort Beach

- **Company:** Kelly Services Inc.
- **Location:** Newport Beach, CA, United States
- **Experience:** Expert
- **Salary:** $114,400.0 - $156,000.0
- **Contract:** Temporary to permanent
- **Skills:** Java (Programming Language), Agile Methodology, Artificial Intelligence, Amazon Web Services, Automation of Tests, Cloud Computing, Code Review, Continuous Integration, Data Structures, Cursor, Database Development, Software Design Patterns, Web Development, Distributed Systems, PostgreSQL, Object-Oriented Software Development, Oracle Databases, Oracle (Applications), Performance Tuning, Query Optimization, Software Tools, Software Construction, Software Engineering, SQL Databases, Systems Integration, Enterprise Software Applications, Spring Cloud, GitHub Copilot, Claude Code, Spring-boot, Backend, Event Driven Architecture, Git Flow, Apache Kafka, Restful APIs, Microservices
- **Published:** October 26, 2026
- **Apply:** https://www.techcareers.com/job.asp?id=3467206371&tx=KP2525FFP&pt=1&aff=0B19D771-A501-4A5E-8338-2A822B784D54&utm_source=Job%20Feed&utm_medium=textkernel&utm_campaign=DE&utm_term=0B19D771-A501-4A5E-8338-2A822B784D54

## About the Role

* 8+ years of professional software development experience, with strong hands-on Java development experience building enterprise applications.
 * Strong experience with Spring Boot, REST APIs, service integrations, and backend application design.
 * Strong Oracle database experience, including SQL development, query optimization, data modeling, and performance tuning.
 * Experience building and supporting business-critical or distributed systems.
 * Strong understanding of object-oriented programming, design patterns, data structures, and software engineering best practices.
 * Experience with Git-based workflows, CI/CD, automated testing, and production support.
 * Strong communication skills and the ability to work independently, partner with cross-functional teams, and drive work through completion.

Desired Skills & Experience

 * Experience developing cloud-native applications and services.
 * Experience with messaging or event-driven architectures, including AMPS, Kafka, or similar platforms.
 * Experience working in Agile software development teams.
 * Experience using AI-assisted engineering tools such as GitHub Copilot, Cursor, Claude Code, or similar tools.
 * Exposure to fixed income, trading technology, electronic trading platforms, new issue workflows, financial services, or asset management environments

## Description

They are looking for a Sr. Java Developer with strong experience in Spring Boot, Rest API, Oracle, PostgreSQL, CI/CD, Microservices Architecture, SQL, Cloud experience responsible for building web applications alongside system architects for one of the top financial investment and bond trading firms in America., * Design, develop, test, and support enterprise backend applications using Java, Spring Boot, Oracle, REST APIs, and related technologies.

 * Build scalable services, integrations, and backend components that support business-critical workflows.
 * Partner with Product Owners, QA engineers, and business stakeholders to refine requirements and deliver high-quality solutions.
 * Write maintainable, well-tested code and participate in code reviews, design discussions, and release readiness.
 * Troubleshoot production issues, perform root cause analysis, and implement durable fixes.
 * Create and maintain technical documentation, operational procedures, and knowledge-sharing materials.
 * Identify opportunities to improve performance, resiliency, observability, developer productivity, and engineering efficiency.

Job Breakdown

 * 90% Hands On
 * 10% Client Facing / Team integration