Sr Java Microservices Developer Jobs in Austin, TX

Senior Java Developer | Software Engineer III

Pay Rate: $86.66/hour
Schedule: Monday - Friday, 8:00 AM to 5:00 PM
Location: Austin, TX 78751
Work Model: Hybrid - Onsite and Telework
Duration: 07/01/2026 through 08/31/2026
Openings: 5

Position Overview

We are seeking highly experienced Senior Java Developers to support a major enterprise application initiative within a large-scale state agency environment.

This contractor role will support the SCOR BAU EI Parallel Initiative, focusing on application enhancements, defect resolution, business logic updates, UI improvements, reporting expansion, and system data model extensions. This is a senior-level role requiring deep expertise in Java enterprise development, Spring-based architecture, J2EE applications, and relational database development.

The ideal candidate is a hands-on senior engineer who can work independently, perform complex troubleshooting, maintain secure and testable code, and support applications across multiple environments while adhering to strict coding, testing, and security standards.

This role also requires availability for on-call support as needed.

Key Responsibilities

• Design, develop, and enhance enterprise Java applications supporting critical business operations
• Make updates to SCOR Java applications, including business logic, UI functionality, reporting capabilities, and data model extensions
• Support application enhancements and defect corrections in a maintenance-driven environment
• Analyze business requirements and translate them into technical solutions and system improvements
• Develop and maintain RESTful web services using Spring Framework
• Perform coding, testing, peer reviews, and technical documentation
• Conduct defect root cause analysis and troubleshooting across multiple environments
• Ensure code coverage, testing compliance, and adherence to security policies and procedures
• Support application deployment, production stability, and ongoing maintenance operations
• Participate in on-call support rotation as required
• Collaborate with technical teams, business users, and stakeholders to deliver scalable solutions

Required Qualifications

Minimum Required Experience

• 8+ years of experience in Object-Oriented Programming (OOP) using Java
• 8+ years of experience developing applications on the J2EE platform
• 8+ years of experience writing SQL for relational databases
• 8+ years of experience building RESTful web services using Spring Framework
• 8+ years of experience working with Spring Aspect-Oriented Programming (AOP), including transaction management and security
• 8+ years of experience with JUnit and Unit Test development
• Strong experience supporting enterprise applications in multiple environments
• Experience with peer reviews, documentation, and production support
• Strong troubleshooting and defect resolution skills
• Ability to support secure coding standards and maintain testing compliance

Preferred Qualifications

• 4+ years of experience with Angular UI Framework
• 4+ years of experience with Crystal Reports
• 4+ years of experience with Power BI
• Experience supporting reporting enhancements and dashboard development
• Prior experience in state government or large enterprise environments
• Experience supporting maintenance-mode enterprise applications

Ideal Candidate Background

Strong candidates often come from:

• Senior Java Developer roles
• Java Full Stack Developer roles
• Enterprise Application Developer roles
• Backend Java Engineer positions
• J2EE Application Support teams
• State agency or government technology projects
• Large enterprise modernization initiatives
• Legacy system enhancement and modernization projects

Candidates with strong production support experience and the ability to balance enhancement work with maintenance responsibilities will be especially strong fits.

Technical Environment

Core Technologies

• Java
• J2EE
• Spring Framework
• Spring AOP
• RESTful APIs
• SQL / Relational Databases
• JUnit
• Application Security
• Code Coverage & Testing Standards

Preferred Technologies

• Angular
• Crystal Reports
• Power BI

What Makes This Role Critical

This is not simply a development role, it is a high-impact enterprise support position responsible for maintaining and improving mission-critical systems used for agency operations.

Success requires strong technical depth, ownership mindset, production stability focus, and the ability to work effectively in a highly structured enterprise environment.

Throughout the past 35+ years, MMC, one of the most trusted names in workforce management services, has successfully delivered strategic solutions to large and small businesses in numerous industries.
We have built our reputation on partnering with our clients and candidates to achieve the desired results. Our recruiting professionals have extensive experience matching the right candidate, to the right client, for the right position. We provide the best opportunities to the most talented candidates in a multitude of industries.
MMC is a privately owned business with corporate headquarters in Irving, Texas. With 2,000+ employees, working in 40+ states, MMC is able to support all United States locations, and some international locations.
We appreciate your interest in reviewing this particular position and we encourage you to visit our website where you can always search and apply for opportunities at www.mmcgrp.com
Benefits with MMC Group
MMC offers health insurance plans for our active candidates on assignment, including:

• Medical, dental, and vision coverage
• Life and disability insurance
• Additional voluntary benefits

Join MMC and enjoy the support of a team that values your well-being, both on and off the job!
MMC strives to ensure all job postings confirm details of the position, the rate of pay, and acknowledge that medical benefits are offered.
Get started on your career journey today! Apply to become a part of the MMC Team!
We are an equal opportunity employer, and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability status, protected veteran status or any other characteristic protected by law. In compliance with federal law, all persons hired will be required to verify identity and eligibility to work in the United States and to complete the required employment eligibility verification document form upon hire.