Senior API / Microservices Developer

Senior API/Microservices DeveloperOur 100% remote agile development team is looking for a Senior API/Microservices Developer to help us deliver top-quality IT Modernization for our Environmental Protection Agency (EPA) customers. You will work directly with our government customers and with other GDIT developers and business analysts to create advanced software tools tailored to scientific applications. You'll apply new approaches, principles, methods, techniques and tools compatible with the research environment within EPA. You'll be a creative problem-solver, understand IT solutions from a users' perspective and contribute to strategies for a modern integrated IT environment.The API / Microservices Developer requires in-depth knowledge of modular API design and persistence architecture using Spring Boot. The role involves collaborative interactions with EPA staff and contractors, ensuring architecture aligns with legacy systems and supports efficient data flow. The successful candidate will document design and implementation techniques using tools like Atlassian's Confluence. The developer will optimize services for performance, scalability, and security while adhering to best practices. The selected candidate will resolve development and deployment issues, working closely with API developers, data engineers, and other technical staff to ensure seamless integration with existing databases and applications.Bring your engineering expertise along with a drive for innovation to GDIT. You must have:Core Java (version 21)Spring Boot ecosystem including Spring-data repositoriesA strong knowledge of REST API design using Spring controllers.JPA / HibernateRelational database design (Oracle, etc)Junit / MockitoGit and GitHubMust be able, and willing, to utilize AI tools (particularly, Copilot)Bruno or other API testing toolsOpen-API / SwaggerMavenMicroservice architecturePerformance optimizationExperience with government or regulated industry applications is a plusStrong problem-solving and debugging skillsKey Responsibilities:Modernization & Refactoring: Modernize a legacy application using Spring Boot, Cloud, and modern Java (17+), replacing legacy components with modular, testable, and maintainable codeMicroservices Architecture: Break down monolithic components into independent, loosely coupled modules/microservices, ensuring proper communication via REST and event-driven patternsIntegration: Integrate with existing EPA systems, databases, and APIs, ensuring data consistency and compliance with regulatory requirementsSecurity: Implement and enforce security best practices, including authentication, authorization, and data protectionTesting & Quality: Develop comprehensive unit, integration, and end-to-end tests; conduct code reviews and mentor junior developersRequired Soft Skills/Organizational Skills Qualifications:Ability to prioritize and complete a wide variety of tasking workloads with critical deadlines.Excellent critical thinking and problem-solving skills.Superior oral and written communications skills, and a demonstrated ability to maintain a patient and professional demeanor, with a can-do attitude.Ability to communicate technical concepts clearly and professionally to both technical and non-technical parties (who may be key stakeholders).Ability to manage equipment and services in remote locations.Ability to work effectively in a remote team environment.Workability to perform well under pressure.Strong customer service orientation.Ability to maintain an organized workflow, with a high degree of attention to detail.EDUCATION AND EXPERIENCE:Education: Bachelor of Arts/Bachelor of ScienceExperience: 9-12+ years in Java enterprise application developmentGDIT IS YOUR PLACE At GDIT, the mission is our purpose, and our people are at the center of everything we do.Growth: AI-powered career tool that identifies career steps and learning opportunitiesSupport: An internal mobility team focused on helping you achieve your career goalsRewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time offFlexibility: Full-flex work week to own your priorities at work and at home Community: Award-winning culture of innovation and a military-friendly workplace