Sr Java Full Stack Software Engineer

Design, develop, test, and maintain Java full stack applications and APIs, including web interfaces and backend services, while supporting deployment and troubleshooting in AWS environments.

Washington, District of Columbia, United States
Posted Nov 5, 2026

INDUSTRYSoftware & InternetSaaS & Enterprise Software

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Responsibilities

Design, develop, test and maintain Java full stack applications and APIs.
Develop web interfaces and backend services and integrate application components.
Work with MongoDB and relational databases, including Amazon Aurora/RDS.
Support application deployment and troubleshooting in AWS environments.
Review code, guide technical decisions and mentor other engineers.
Collaborate with requirements, testing and delivery teams to resolve issues.

Skills

Javafull stack developmentweb interfacesbackend servicesMongoDBrelational databasesAmazon Aurora/RDSAWSAPI integrationdatabase accessapplication troubleshootingAWS MongoDBAmazon Aurora/RDS

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Full description

Senior Java Full Stack Software Engineer Must have a least a current Public Trust. We prefer IRS experience with current MBI clearance Matrix Systems and Technology, Inc. (MSTi) About Matrix Established in 1996, Matrix Systems and Technology, Inc. (MSTi) provides IT and engineering services to federal, state and local government and commercial clients. Our work includes software testing and quality assurance, project management, requirements analysis, implementation support and IT staff augmentation. Position Summary Matrix seeks a Senior Java Full Stack Software Engineer with eight or more years of relevant experience to design, develop and support applications spanning web interfaces, Java services, APIs and databases. Responsibilities · Design, develop, test and maintain Java full stack applications and APIs. · Develop web interfaces and backend services and integrate application components. · Work with MongoDB and relational databases, including Amazon Aurora/RDS. · Support application deployment and troubleshooting in AWS environments. · Review code, guide technical decisions and mentor other engineers. · Collaborate with requirements, testing and delivery teams to resolve issues. Qualifications · Eight or more years of relevant software engineering experience. · Hands-on Java full stack development experience, including front-end web technologies and backend services. · Exposure to AWS, MongoDB and Amazon Aurora/RDS. · Experience with API integration, database access and application troubleshooting. · Ability to communicate technical decisions and collaborate with a delivery team.