Full Stack Java Developer, Applications Developer

Alpha Omega

Full Stack Java Developer developing secure software solutions for Department of Homeland Security. Requires 5+ years of Java experience, remote work policy, and various technical skills.

Posted 4/28/2026full-timeRemote • Virginia • 🇺🇸 United StatesMid-LevelSenior💰 $112,000 - $130,000 per yearWebsite

Tech Stack

Tools & technologies

ApacheAWSAzureCloudGroovyJavaJavaScriptJenkinsJUnitMavenOracleReactSOAPSpringSQLTypeScript

About the role

Key responsibilities & impact

Provide technical knowledge and analysis of highly specialized applications and operational environment, high-level functional systems analysis, design, integration, documentation and implementation advice on moderately complex problems that require an appropriate level of knowledge of the subject matter for effective implementation.
Apply principles, methods and knowledge of the functional area of capability to specific task order requirements, advanced mathematical principles and methods to exceptionally difficult and narrowly defined technical problems in engineering and other scientific applications to arrive at automated solutions.
Assist consultants and stakeholders with analysis and evaluation and with the preparation of recommendations for system improvements, optimization, development, and/or maintenance efforts in the following specialties: information systems architecture, networking; telecommunications, automation; communications protocols, risk management/electronic analysis, software; lifecycle management, software development methodologies, and modeling and simulation.
Commensurate experience in IT and in new and related older technology that directly relates to the required area of expertise.

Requirements

What you’ll need

5+ years’ Java Development experience
Experience with Oracle JDK 1.8.XX, OpenJDK 11
Proficient in data structure, algorithm, object-oriented design and multi-threading.
Strong Expertise with back-end technologies: Java, open-source Java libraries (e.g. Apache Commons, Spring)
Strong Expertise with HTTP-based web services and related technologies including JavaScript, HTTP, REST, JSON, and Soap/XML.
Experience with databases and SQL.
Experience with unit testing with JUnit.
Experience with using modern Java development IDEs (IntelliJ/Eclipse)
Basic knowledge about design patterns.
Experience in Agile methodologies.
Experience in Web Application development.
Knowledge of distributed system design.
Experience in Cloud Platforms like AWS, Azure or similar.
Experience in DevOps and related tools like Jenkins, Groovy, Maven, GitLab and shell script.
Experience with front-end frameworks and TypeScript libraries, React required

Benefits

Comp & perks

15 days PTO including paid parental, military, and bereavement leave
Eleven (11) paid Federal holidays, five of which are floating holidays (as designated by the company’s holiday schedule each year)
Health and Dental Insurance (including 100% employer paid premiums for employee coverage under the HDHP health plan)
Life Insurance, STD/LTD term disability coverage, with employer paid premiums
401 (k) plan with a match that is 100% vested after you complete two years of service
FSA/DFSA/HSA flexible benefit plans
Annual Tuition & Professional Development Reimbursement benefit

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

JavaOracle JDK 1.8OpenJDK 11data structurealgorithmobject-oriented designmulti-threadingback-end technologiesHTTP-based web servicesSQL