Senior Java Full Stack Developer

Overview

On Site
Hybrid
BASED ON EXPERIENCE
Contract - Independent
Contract - W2
Contract - 6+ mo(s)

Skills

JAVA FULL STACK
MAINFRAME
DB2
SPRING BOOT
STRUTS
HTML
CSS
JAVASCRIPT
JDK
JDK 11
JDK11

Job Details

Job Title: Senior Java Full Stack Developer
Work Arrangement: Hybrid - PI Planning meetings or ad-hoc meetings in Reston, VA (DMV area)
Interview Process: Phone interview followed by onsite interview at Reston office

Position Summary

We are seeking a Senior Java Full Stack Developer (10+ years experience) to support and modernize a mission-critical legacy web application. The role requires deep expertise across the Java stack along with hands-on experience in Struts, Spring Boot, HTML, CSS, and JavaScript. Experience with Mainframe DB2 and legacy libraries will be highly valuable. This is a senior-level, independent contributor role, ideal for someone who thrives in complex environments and can work across both legacy and modern technologies.

Key Responsibilities

  • Design, develop, and enhance web applications leveraging Java full stack technologies.

  • Work with legacy frameworks and libraries including Struts and Spring Boot.

  • Maintain and modernize existing applications, ensuring performance, scalability, and security.

  • Collaborate with stakeholders and team members to support cloud migration efforts.

  • Perform independent development and troubleshooting, driving solutions with minimal supervision.

  • Upgrade and adapt applications from JDK 11 to JDK 21.

  • Ensure application security and compliance best practices.

Required Skills & Qualifications

  • 10+ years of experience as a Java Full Stack Developer.

  • Strong hands-on experience with:

    • Java, Struts, Spring Boot, MVC frameworks

    • HTML, CSS, JavaScript (front-end web technologies)

    • Mainframe DB2 (highly preferred)

  • Proven ability to work with legacy codebases, old libraries, and older technologies.

  • Experience upgrading Java versions (e.g., JDK 11 JDK 21).

  • Knowledge of data security best practices.

  • Familiarity with cloud migration concepts.

  • Excellent problem-solving skills with the ability to work independently.

Nice to Have

  • Experience with modern front-end frameworks such as React.js or Angular.

  • Exposure to cloud platforms (AWS, Azure, or Google Cloud Platform).

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