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# Full Stack Engineer

- **Company:** ZIPSTAFF INC.
- **Location:** McLean, VA, United States
- **Experience:** Expert
- **Salary:** $112,320.0 - $116,480.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Artificial Intelligence, Application Performance Management, Automation of Tests, Software Documentation, Relational Databases, Github, Gradle, Java Web Services, Spring Framework, Junit, Object-Relational Mapping, Scrum Methodology, Mockito, Software Engineering, SQL Databases, TypeScript, Web Applications, Spring-boot, AngularJS, Information Technology, Bitbucket, Tools for Reporting, Restful APIs, Software Version Control, Jenkins
- **Published:** October 1, 2026
- **Apply:** https://www.juju.com/job/16_c64ce198

## About the Role

* 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., * 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.

## Description

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.