Senior Java Full Stack Engineer (AWS Cloud Migration)

Senior Java Full Stack Engineer (AWS Cloud Migration)

Location: Reston, VA (Hybrid)
Type: Contract through December 2026 (potential extension)
Schedule: 40 hours/week
Local Candidates: DMV area only. Must be available for onsite meetings in Reston approximately once per week or biweekly.

Overview

We are seeking a Senior Java Full Stack Engineer to support a high-profile enterprise cloud modernization initiative. This role will focus on migrating Java-based applications to AWS, modernizing data platforms, and developing scalable full stack solutions for a large-scale Member 360 platform serving tens of thousands of users.

The ideal candidate is a hands-on senior developer with deep experience in AWS cloud migration, Java development, Angular, MongoDB, Aurora PostgreSQL, and DevOps practices . Experience integrating GenAI-enabled services into enterprise applications is highly preferred.

Key Responsibilities

• Lead development efforts for the migration of Java applications and services to AWS cloud environments.
• Design, develop, test, and support enterprise-grade full stack applications using Java, Angular, Python, and cloud-native technologies.
• Convert and migrate legacy database structures, including UDB environments, to Aurora PostgreSQL.
• Support MongoDB integrations and data modernization initiatives.
• Develop and maintain CI/CD pipelines and follow DevOps best practices for deployment, testing, and monitoring.
• Implement and support AI and GenAI-powered application features and integrations.
• Collaborate with architects, product owners, and stakeholders to define technical solutions and requirements.
• Design, develop, test, and document highly scalable software solutions with a focus on performance, reliability, and availability.
• Support production systems, troubleshoot critical issues, and provide technical leadership on complex software challenges.
• Participate in architecture discussions, technology evaluations, and modernization initiatives.
• Mentor junior engineers and contribute to engineering best practices including code quality, testing, and software delivery standards.

Required Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field.
• 8+ years of software development experience in enterprise environments.
• Strong hands-on experience with Java application development.
• Proven experience leading or supporting AWS cloud migration initiatives.
• Experience building cloud-native applications and services within AWS.
• Strong knowledge of Angular and modern front-end development.
• Experience with MongoDB and Aurora PostgreSQL.
• Solid understanding of software architecture, system integration, and distributed applications.
• Experience with CI/CD pipelines, automated testing, and DevOps methodologies.
• Strong knowledge of Agile development practices and SDLC.
• Ability to communicate effectively with both technical and non-technical stakeholders.

Preferred Qualifications

• Experience with GenAI, Agentic AI, or AI service integrations.
• Experience with Python development.
• Experience with Tomcat and Java application modernization.
• Exposure to large-scale enterprise systems serving high-volume user populations.
• Experience extending open-source frameworks and libraries.

Technical Environment

• Java
• Angular
• AWS Cloud
• Python
• MongoDB
• Aurora PostgreSQL
• Tomcat
• CI/CD Pipelines
• DevOps Tools
• Agile Methodologies
• GenAI / AI Integrations

What We're Looking For

• A senior engineer who can contribute immediately with minimal ramp-up.
• Strong full stack capabilities across both backend and frontend development.
• Proven success delivering cloud migration projects in fast-paced environments.
• Technical leadership, problem-solving skills, and a passion for modern software engineering practices.

System One, and its subsidiaries including Joulé, ALTA IT Services, TeamPeople, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.