Back-End Java Engineer (Mid-to-Senior Level)
Title: Back-End Java Engineer (Mid-to-Senior Level) Location: Hybrid On-Site - Vienna, VA 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
Desired/Bonus Skills
- Effective written and verbal communication skills, including the ability to explain technical concepts to non-technical audiences
- Knowledge of banking or financial services industry standards and practices
- Experience working in Agile environments and cross-functional teams
- Ability to manage multiple priorities independently or within a team
- Strong analytical, problem-solving, and system design skills
- Experience with data engineering, analytics, and visualization tools (Power BI preferred)
- Knowledge of data management, data migration, and performance optimization concepts.
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