Engineer - Backend

Nationwide IT Services•Fairfax, VA

2d•Hybrid

About The Position

Backend Engineer Active Secret preferred Hybrid-within commutable to Northern VA/DCA Nationwide IT Services, NIS, is seeking an Engineer-Backend for a potential opportunity. In this position the Backend Engineer will: Design and develop Spring Boot microservices (Java 21+) that expose RESTful APIs to frontend consumers. Decouple and break down monolithic designs into domain-driven services (e.g., breaking a massive "User" module into distinct Identity, Profile, and Authorization services). Implement resilience patterns (Circuit Breakers, Retry Logic) using tools like Resilience4j to ensure services stay up even when government networks degrade. Write Unit Tests for internal development testing. Perform database migrations using Hibernate ORM. Write SQL Stored Procedures when necessary and debug SQL scripts for performance optimization. About Nationwide IT Services NIS is an IT and Management consulting company that is a CVE-verified Service-Disabled Veteran- Owned Small Business. Our mission is to deliver value-added services to our customers, leveraging technology, people, and industry best practices to implement innovative solutions through our trusted employees and team members. Our benefits package includes medical, dental, and vision insurance, life and disability insurance, 401(k) plan with employer match, paid holidays, PTO (sick/vacation), commuter benefits, employee assistance program (EAP), and educational reimbursement, along with Pet Insurance. Nationwide IT Services, Inc. provides equal employment opportunities (EEO) to all qualified applicants regardless of race, color, religion, sex, national origin, sexual orientation, gender identity, genetics, disability, or protected veteran status.

Requirements

5+ years of server-side Java development (Spring Boot, Spring Data JPA, Spring Security)
Deep understanding of Oracle SQL (Indexes, Partitions, Execution Plans) and PL/SQL.
You must know how to debug a query that takes 20 minutes to run.
Experience writing Dockerfiles and deploying to Kubernetes (K8s) or OpenShift.

Nice To Haves

Active Secret Clearance preferred.
Bachelor’s degree in Computer Science, Computer Engineering, or a related field.

Responsibilities

Design and develop Spring Boot microservices (Java 21+) that expose RESTful APIs to frontend consumers.
Decouple and break down monolithic designs into domain-driven services (e.g., breaking a massive "User" module into distinct Identity, Profile, and Authorization services).
Implement resilience patterns (Circuit Breakers, Retry Logic) using tools like Resilience4j to ensure services stay up even when government networks degrade.
Write Unit Tests for internal development testing.
Perform database migrations using Hibernate ORM.
Write SQL Stored Procedures when necessary and debug SQL scripts for performance optimization.
Assist in the Discovery Phase activities of gathering user requirements, business analysis, legacy system analysis, Epic/Story creation, external data integration planning, and product backlog management.