Senior API Developer
About The Position
Our 100% remote agile development team is looking for a Senior Microservices Developer to help us deliver top-quality development support 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 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.
Requirements
- Core Java (version 17 and 21)
- Spring Boot ecosystem including Spring Core, Spring Data JPA and repositories
- A strong knowledge of REST API design using Spring controllers
- JPA / Hibernate
- Relational database design (Oracle, Postgres etc)
- Junit / Mockito
- Git and GitHub
- Must be able, and willing, to utilize AI tools (particularly, Copilot)
- Understanding of API error handling, validation, logging and security
- Bruno or other API testing tools
- Open-API / Swagger
- Maven
- Microservice architecture
- Performance optimization
- Strong problem-solving and debugging skills
- US citizenship required
- 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.
- Bachelor of Arts/Bachelor of Science
- 7–12+ years in Java enterprise application development
Nice To Haves
- Experience with government or regulated industry applications is a plus
- Familiarity with CI/CD, Docker (plus)
- Ruby on Rails (plus)
Responsibilities
- Modernize a legacy application using Spring Boot, Cloud, and modern Java (17+), replacing legacy components with modular, testable, and maintainable code
- Break down monolithic components into independent, loosely coupled modules/microservices, ensuring proper communication via REST and event-driven patterns
- Integrate with existing EPA systems, databases, and APIs, ensuring data consistency and compliance with regulatory requirements
- Implement and enforce security best practices, including authentication, authorization, and data protection
- Develop comprehensive unit, integration, and end-to-end tests; conduct code reviews and mentor junior developers
Benefits
- Variety of medical plan options, some with Health Savings Accounts
- Dental plan options
- Vision plan
- 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match
- Full flex work weeks where possible
- Variety of paid time off plans, including vacation, sick and personal time, holidays
- Paid parental, military, bereavement and jury duty leave
- 15 days of paid leave per calendar year to be used for vacations, personal business, and illness
- 10 paid holidays per year
- Paid Family Leave program provides a total of up to 160 hours of paid leave in a rolling 12 month period for eligible employees
- Short and long-term disability benefits
- Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
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What This Job Offers
Job Type
Full-time
Career Level
Senior
