Backend Software Engineer

We’re looking for a highly experienced Backend Software Engineer to design, build, and maintain robust, mission-critical backend services and data platforms. This role is ideal for someone who thrives in complex, large-scale distributed systems, brings deep expertise in Java and Spring Boot, and is passionate about building scalable, secure, and maintainable backend architectures that power high-profile analytical platforms. This position is located in Chantilly, VA., * Service Design & Development: Design, build, and maintain scalable, production-grade backend services and RESTful APIs using Java and Spring Boot, with a strong emphasis on performance, maintainability, and security.

• Data Modeling & Database Engineering: Design and implement relational data models and Entity Relationship Diagrams (ERDs); develop, optimize, and maintain schemas and queries against Oracle RDS and other relational database systems.
• API Design & Security: Architect and implement RESTful API endpoints, including request and response handling, versioning, and API security measures; produce and maintain API documentation using tools such as Swagger.
• Testing & Code Quality: Write and maintain comprehensive unit and integration tests using JUnit and related frameworks; enforce code coverage standards using tools such as JaCoCo; participate in code reviews and uphold engineering quality across the backend codebase.
• Build, Deploy & Automation: Develop and maintain automated build, test, and deployment pipelines using Gradle, Maven, and Jenkins; contribute to CI/CD pipeline improvements and infrastructure-as-code practices.
• Cloud & Infrastructure: Design and deploy backend services in cloud environments, with a focus on AWS; apply best practices for cloud-native architecture, security, and cost efficiency.
• Agile Delivery: Work within Agile development frameworks; participate in sprint planning, backlog refinement, and iterative delivery cycles to meet mission-driven deadlines.
• Cross-Functional Collaboration: Partner with frontend engineers, platform teams, database administrators, and mission stakeholders to define integration contracts, shared service patterns, and system architecture decisions.
• Technical Documentation: Produce clear and thorough technical documentation for backend services, data models, API contracts, and architecture decisions to support team scalability and knowledge transfer.

• BS in Computer Science, Software Engineering, or a related technical field, or equivalent professional experience
• 10+ years of software engineering experience with a focus on backend systems development
• Demonstrated hands-on experience with Java-based backend frameworks, including Spring Boot and Hibernate
• Strong understanding of data modeling and relational database design principles, including experience designing ERDs
• Experience with Oracle Relational Database Services (RDS)
• Experience creating RESTful APIs, including designing endpoints, handling requests and responses, and implementing API security measures
• Experience with unit testing and integration testing using JUnit and other testing frameworks; familiarity with code coverage tools such as JaCoCo
• Experience with servlet containers such as Tomcat
• Proficiency working in Linux-based environments and with shell scripting
• Experience with automated build, test, and deployment technologies such as Gradle, Maven, and Jenkins
• Experience with API documentation tools such as Swagger
• Experience with cloud-based technologies, including AWS
• Experience utilizing CI/CD pipelines
• Familiarity with Agile development methodologies
• US citizenship and an active TS/SCI with Polygraph security clearance required

Desired Experience:

• Experience working with or implementing serverless architectures such as AWS Lambda and related serverless technologies
• Experience designing and implementing microservices architecture with a focus on scalability and maintainability
• Experience with containerization technologies such as Docker
• Experience with container orchestration technologies such as Kubernetes
• Experience with additional backend frameworks or languages such as Node.js or Python
• Experience with AWS services such as EKS or Step Functions

Do you know anyone for this position, or other positions open at The Swift Group? We offer a $5,000 bonus for any referral candidate we hire, paid out at the new hire’s 90-day mark. We are not working with outside staffing agencies to fill this position, and we will not be accepting unsolicited resumes. All inquiries must go through the recruiting team. #LI-DI1#onsite The Swift Group and Subsidiaries are an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class. Pay Range: $49,996.80 - $290,004.00Pay ranges are a general guideline and not intended as a guaranteed and/or implied final compensation or salary for this job opening. Determination of official compensation or salary relies on several different factors including, but not limited to: level of position, complexity of job responsibilities, geographic location, work experience, education, certifications, Federal Government contract labor categories, and contract wage rates. At The Swift Group and Subsidiaries, you will receive comprehensive benefits including but not limited to: healthcare, wellness, financial, retirement, education, and time off benefits.

The Swift Group is a privately held, mission-driven and employee-focused services and solutions company headquartered in Reston, VA. Our capabilities include Software Development, Engineering & IT, Data Science, Cyber Enablement, Logistics, and Training. Founded in 2019, Swift supports Civilian, Defense, and Intelligence Community customers across the country and around the globe.