Rules Engineer

About NDiNetwork Designs, Inc. (NDi) is a leading Federal contractor that specializes in designing, developing, and delivering information technology and network solutions for government customers. Founded in 1985, NDi's firmly defined core values have driven all aspects of the business, which have been paramount to our company's success and the establishment of an enjoyable workplace atmosphere. At NDi, we believe that our people are the cornerstone of our success, and we value collaboration, career growth, and winning ideas. Military Veterans Encouraged to Apply.Job DescriptionThe Rules Engineer will be responsible for designing, implementing, and validating rules processing logic that supports eligibility and enrollment determinations. This role focuses on translating statutes, regulations, and policy into executable system logic and backend services. The candidate will collaborate closely with policy staff, business analysts, and system engineers to ensure rules are implemented accurately, tested thoroughly, and aligned with modernization objectives.RequirementsU.S Citizenship required.Must be able to obtain and maintain a Public Trust clearanceThis position is remote but may require occasional onsite meetings in McLean, VA.You can be based out of following states: AZ, DC, FL, GA, OH, ME, MD, SC, TX, UT, VA, NC, OK, WV.Qualifications And ExperienceBachelor's Degree in Computer Science, Information Technology, or a related field.At least 7 years of experience in backend development, rules engineering, or a related role.Strong proficiency in Java 17+ and backend development using Spring Boot.Experience developing reactive or service-based applications using Spring WebFlux.Experience integrating services using Kafka.Experience working with Oracle DB for rules-driven data access.Experience using Redis for caching and lookup optimization.Experience deploying applications using Docker and Kubernetes.Familiarity with frontend technologies such as React or Next.js for end-to-end validation.Proficiency with GitHub for source control and collaboration.Strong analytical and problem-solving skills.Strong attention to detail and accuracy. Excellent communication skills and the ability to work collaboratively across technical and policy-focused teams.Ability to work independently and manage multiple priorities.Preferred QualificationsExperience implementing eligibility or enrollment systems.Experience working in regulated or government environments.Experience supporting modernization initiatives involving distributed systems.Familiarity with automated testing frameworks for backend and rules validation.ResponsibilitiesRules Logic Implementation:Design and implement rules processing logic for eligibility and enrollment determinations using Java 17+.Develop and maintain rules-related services using Spring Boot and reactive components with Spring WebFluxPolicy-to-System TranslationCollaborate with policy experts and business analysts to interpret statutes, regulations, and policy guidance.Translate policy intent into executable rules, decision logic, and backend workflowsBackend Service DevelopmentDevelop and maintain backend services and APIs that support rules execution and system integration.Ensure services are scalable, maintainable, and aligned with architectural standardsIntegration And MessagingIntegrate rules services with upstream and downstream systems using Kafka-based event and messaging patterns.Ensure reliable and consistent processing of rule-related events across distributed systems.Data Access And CachingImplement data access logic using Oracle DB to support rules evaluation and transactional consistency.Use Redis for lookup caching and performance optimization of rules processing.Validation And Automated TestingValidate rules behavior through well-defined test scenarios and automated validations.Develop and maintain automated tests to ensure correctness and regression coverage of rules logic.Containerized Deployment And OperationsPackage rules and backend services using Docker.Support deployment and operation of services within Kubernetes environments.Collaboration And DocumentationCollaborate with system engineers, QA, and stakeholders to ensure shared understanding of rules behavior and impacts.Document rules logic, assumptions, interfaces, and dependencies. Maintain source code and related artifacts using GitHubContinuous ImprovementContinuously improve rules performance, test coverage, and maintainability.Stay current with best practices in rules engines, backend development, and event-driven architectures.Compensation And BenefitsAt NDi, we value our team and are committed to retaining top talent by offering competitive benefits and compensation packages. Our employee benefits package includes comprehensive health, dental, vision, pet, and legal insurance. Our corporate benefits include 401(k) retirement matching, paid leave, paid holidays, and health and wellness programs. In addition, we provide employer-paid life and disability insurance, professional development, education benefits, and much more to ensure our team has the resources they need to thrive on and off the job.Veterans First CommitmentAs a Service-Disabled Veteran-Owned Small Business (SDVOSB), NDi is dedicated to hiring veterans and providing a supportive work environment that honors their service while recognizing the unique skills and experiences they bring to our organization.Our CommitmentQualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, protected veteran status or other characteristics protected by law.Apply NowTake advantage of this unique opportunity to join one of the fastest-growing companies in Federal contracting!Salary: $118000 - $142000 per year