Job description

Job Title: Senior Full Stack Engineer (Java / Angular) Location: McLean, VA (On-site) Employment Type: Contract (W2 through ZipStaff — No C2C or 1099) About the Opportunity: ZipStaff is seeking a Senior Full Stack Engineer to support enterprise model-analytics technology at a leading financial services organization focused on housing finance and mortgage portfolio analytics. You will work with Finance business partners to design and deliver a web application that supports model analytics for a large mortgage portfolio. This is a hands-on delivery role: Java / Spring Boot on the back end, Angular on the front end, and close partnership with business and technology teams. What You'll Do: • Design, develop, and deliver full-stack features for a Finance web application supporting mortgage portfolio model analytics. • Build and maintain Java services using Java 8+, Spring Framework, Spring Boot, and REST APIs. • Develop Angular / TypeScript front-end components that are secure, responsive, and production-ready. • Work with relational databases and SQL; apply ORM patterns where appropriate. • Troubleshoot and optimize applications for security, performance, and responsiveness. • Use Gradle and Jenkins for build and CI; GitHub or Bitbucket for source control. • Write unit and mock-based tests (JUnit / Mockito), including positive and negative cases. • Produce clear code documentation and partner with business and technology stakeholders. • Work in Agile / Scrum and adapt quickly as priorities change. Required Qualifications: • Bachelor's or Master's degree in Computer Science or a related field, or equivalent practical experience. • 5+ years of professional software engineering experience. • 4+ years of hands-on Java development (Java 8+ language and standard library). • Strong experience with Spring Framework, Spring Boot, and REST APIs. • Hands-on Angular and TypeScript on production web applications. • Solid SQL and relational database experience. • Experience with Gradle and Jenkins. • Version control with GitHub or Bitbucket. • Experience with JUnit / Mockito (or equivalent) and automated testing. • Ability to write documentation that explains technical solutions. • Strong communication skills and ability to partner with business stakeholders. • Ability to work on-site in McLean, VA. • Must be legally authorized to work in the United States without sponsorship now or in the future. Preferred Qualifications: • Object-relational mapping (ORM) frameworks. • Application performance diagnostics and analytics tools. • AI-assisted automated test suite development. • Experience in financial services, mortgage, or portfolio-analytics applications. About ZipStaff: ZipStaff partners with leading organizations to connect skilled technology professionals with high-impact contract opportunities. We focus on quality matches, clear communication, and long-term success for candidates and clients. To apply, submit your resume highlighting Java, Spring Boot, REST APIs, Angular / TypeScript, and full-stack delivery experience. Pay: $54 - $56 per hour

Requirements

Must-haves

Job Title: Senior Full Stack Engineer (Java / Angular)
Location: McLean, VA (On-site)
Employment Type: Contract (W2 through ZipStaff — No C2C or 1099)
Design, develop, and deliver full-stack features for a Finance web application supporting mortgage portfolio model analytics.
Build and maintain Java services using Java 8+, Spring Framework, Spring Boot, and REST APIs.
Develop Angular / TypeScript front-end components that are secure, responsive, and production-ready.
Work with relational databases and SQL; apply ORM patterns where appropriate.
Troubleshoot and optimize applications for security, performance, and responsiveness.
Use Gradle and Jenkins for build and CI; GitHub or Bitbucket for source control.
Write unit and mock-based tests (JUnit / Mockito), including positive and negative cases.
Produce clear code documentation and partner with business and technology stakeholders.
Work in Agile / Scrum and adapt quickly as priorities change.
Bachelor's or Master's degree in Computer Science or a related field, or equivalent practical experience.
5+ years of professional software engineering experience.
4+ years of hands-on Java development (Java 8+ language and standard library).
Strong experience with Spring Framework, Spring Boot, and REST APIs.
Hands-on Angular and TypeScript on production web applications.
Solid SQL and relational database experience.
Experience with Gradle and Jenkins.
Version control with GitHub or Bitbucket.

Nice-to-haves

Object-relational mapping (ORM) frameworks.
Application performance diagnostics and analytics tools.
AI-assisted automated test suite development.
Experience in financial services, mortgage, or portfolio-analytics applications.

Application prep

Use the role’s language and application details while tailoring your materials.

Keywords to mirror

javaangularresttypescriptsqlagilescrumai

Platform: betterteam
Effort: medium