Back end Java Developer

• *Only W2
• *No C2C or No 1099
• *Title: Back-End Java Engineer
• *Location: Vienna, VA (4 Days onsite a week)
• *Duration: Long Term Contract
• *Must have:

Java + Spring / Spring Boot

Azure DevOps

Microservices

• *Description:

We are seeking a mid-to-senior Back-End Java Engineer to design, develop, test, integrate, and maintain back-end services and digital systems that support mobile and online banking platforms. This role partners closely with analysts, QA testers, front-end engineers, and cross-functional teams to deliver secure, scalable, and high-quality solutions. The engineer works with minimal supervision on complex initiatives, provides technical direction, and coaches less experienced engineers.

A strong commitment to collaboration, thoughtful system design, and sustainable, maintainable code is essential.

• *Key Responsibilities
• Design, build, and maintain back-end services and APIs supporting mobile and web applications
• Ensure performance, reliability, quality, and responsiveness of services
• Collaborate with cross-functional teams to define, design, and deliver new features
• Analyze, identify, and resolve system bottlenecks, defects, and integration issues
• Refactor and improve existing code to enhance readability, reduce complexity, and improve maintainability
• Conduct peer code reviews to ensure adherence to design standards and quality expectations
• Coordinate integration of new solutions with existing applications and platforms
• Participate in Agile ceremonies including daily scrums and planning sessions
• Create proof-of-concepts and architecture documentation to evaluate proposed solutions
• Advocate for adaptive planning, continuous improvement, and automation
• Contribute to knowledge sharing and mentoring of less experienced engineers
• *Qualifications/Skills**
• Strong experience with Java (Java 17 or newer preferred) – 5-7+ years overall preferred
• Solid understanding of J2EE, web services, and RESTful APIs
• Experience with Spring and Spring Boot frameworks
• Proficiency with source control tools (Git preferred)
• Experience with CI/CD pipelines and related tools (e.g., Maven, Docker, Jenkins, GitHub)
• Strong understanding of databases, SQL, and data integration patterns
• Experience troubleshooting distributed and interconnected systems
• Knowledge of microservices architectures and application scalability
• Experience developing cloud-native applications (Microsoft Azure strongly preferred)
• Familiarity with AI-assisted development tools to improve productivity and code quality
• Awareness of sustainable coding practices and efficient system design