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Senior Consultant--Java Developer

Oxford Government Consulting LLC
Washington, DC Full Time
POSTED ON 11/15/2025 CLOSED ON 1/14/2026

What are the responsibilities and job description for the Senior Consultant--Java Developer position at Oxford Government Consulting LLC?

As a Java Developer, you'll design, deliver, and support operations for custom-built systems that enable our clients to execute mission-critical business processes. You'll be involved in all stages of the Software Development Lifecycle (SDLC) from requirements through implementation, including direct ownership of technical designs, code development, and component test execution to demonstrate that finished components function as per specifications. In this role, you'll collaborate closely with large, diverse project teams to drive project success. The position is hybrid and would require working at least one day per week on site in the DC Metro area.Key Responsibilities:Design and develop scalable, maintainable software solutions across multiple system domains.Architect technical implementations that align with business requirements and system constraints.Transform functional specifications into detailed technical designs and efficient code.Implement comprehensive testing strategies, including unit, integration, and system testing.Collaborate with DevOps to ensure smooth deployment pipelines and production releases.Document code, APIs, and system architecture to facilitate knowledge sharing and maintenance.Participate in code reviews to maintain quality standards and mentor junior developers.Troubleshoot complex technical issues across the development lifecycle.Investigate and resolve production incidents, perform root cause analysis and implement corrective measures to minimize system downtime and prevent recurrence.Modernize codebase by migrating from Java 8 to Java 21, refactoring legacy code to leverage new language features and performance improvements while ensuring backward compatibility.Support issue analysis and fixes during assembly test, product test, regression test, and production issue resolution.Minimum Qualifications:U.S. citizenship.BA or BS degree or four years of experience in lieu of a degree.Minimum 2 years of experience developing web applications using Java.Minimum 2 years of experience with Java-based MVC frameworks (Spring MVC, Spring Boot, etc.).Minimum 2 years of experience with JavaScript frameworks (e.g., Ionic, Cordova, Angular (2 ), AngularJS (1.4 ), KnockoutJS, EmberJS, MeteorJS, ReactJS, Vue.js, etc.).Minimum 2 years of experience using HTML5/CSS3 in responsive web applications.Preferred Skills:Experience with Java & JEE frameworks.Experience with Frontend frameworks and libraries.Experience with Eclipse/IntelliJ/NetBeans/FireBug/Chrome development tools.Experience with databases, SQL, data modeling.Experience with performance tuning.Experience with mobile (iOS, Android, Ionic).Experience with responsive web development (e.g., Bootstrap, Material Design, Zurb Foundation, etc.).Experience with dynamic stylesheet languages (e.g., SASS, LESS).Experience with Agile (SCRUM, Kanban), Standard SDLC, and CMMI-compliant processes.

Salary.com Estimation for Senior Consultant--Java Developer in Washington, DC
$115,996 to $147,224
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