Akumen, Inc.

Sr. Full Stack Java Developer

Washington, DC · Senior

No sponsorshipDetected 42 days ago

JavaScriptTypeScriptPythonJavaAngularSpring.NETFull-Stack DevelopmentGitSQLAzureCI/CDJenkinsDevOpsRESTCybersecurityDesign SystemsResearchCommunicationProblem Solving

About the role

As a Full Stack Java Developer, you will play a key role across the entire software development lifecycle, with a strong emphasis on backend Java development and modern frontend frameworks.
This role requires a hands-on developer with deep expertise in Java and Spring Boot, along with strong experience in frontend technologies such as Angular.
You should be comfortable owning end-to-end development efforts across both backend and frontend layers while collaborating closely with cross-functional teams.

Responsibilities

Design, develop, and maintain full stack applications using Java (Spring Boot) and Angular.
Build and manage scalable, cloud-based application environments and support production systems.
Develop high-quality, maintainable code
perform unit testing and participate in peer code reviews.
Collaborate with team members to design system architecture, APIs, and data models.
Develop and modernize RESTful APIs, including migrating legacy SOAP/XML services to JSON-based services.
Lead or contribute to application modernization efforts, including upgrading Java and Angular frameworks to current versions.
Develop high-quality, maintainable code; perform unit testing and participate in peer code reviews.

Requirements

6+ years of experience in full stack development with a strong focus on Java and Spring Boot.
Experience with modern frontend frameworks such as Angular.
Proficiency in building and consuming RESTful APIs and microservices.
Experience upgrading and maintaining Java and frontend frameworks.
Strong experience with JavaScript/TypeScript and web application development.
Experience working in enterprise-scale, highly scalable environments.
Familiarity with migrating legacy services (SOAP/XML to REST/JSON).
Experience with Azure cloud services (App Services, Functions, networking, monitoring, etc.).
Demonstrated ability to rapidly learn and adopt new technologies and tools using self‑directed research and public documentation.
Familiarity with DevOps tools such as Jenkins, GitHub, and CI/CD pipelines.
Experience with ServiceNow platform.
Ability to lead initiatives, mentor junior developers, and communicate effectively with non-technical stakeholders.

Visa & Work Authorization

Active DOD/DSS SECRET security clearance or higher (interim acceptable)

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This listing is sourced directly from Akumen, Inc.'s careers page and normalized into a canonical job model.