Lead Application Engineer - Application Architect

Application Engineer - Lead (Application Architect)

Active Secret Clearance Preferred

Hybrid-within commutable to Northern VA/DCA

Nationwide IT Services, NIS, is seeking a Lead Application Engineer for a potential opportunity to:

• Lead the technical design and implementation of new microservices and APIs, ensuring Domain Driven Design principles.
• Write secure, maintainable, and well-tested production code using Java 21+ and the Spring Boot/Spring Cloud framework.
• Design and implement highly scalable, high-volume RESTful APIs and integration points for internal and external data collaborators.
• Create and manage database migration scripts using Hibernate.
• Implement and manage asynchronous communication patterns using message bus technologies such as Apache Kafka to build resilient and loosely coupled services.
• Provide technical guidance, coaching, or mentorship to team members to elevate the team’s collective engineering capability.
• Serve as the final escalation point for complex production issues, conducting root cause analysis, debugging, and providing expert technical assistance for distributed application environments.
• Possess knowledge of deploying production code to AWS Gov Cloud and various server configuration techniques to harden production code once deployed.
• Strong understanding of AWS Gov Cloud, Kubernetes, Docker, and Apache Tomcat (or equivalent server technology).
• Familiarity with modern frontend frameworks (React, Angular, or Vue.js) to effectively collaborate on API contracts and full-stack integration.
• Excellent verbal and written communication skills, with the ability to articulate complex technical issues to both technical and non-technical stakeholders.

• Active Secret Clearance Preferred
• Bachelor’s degree in Computer Science, Computer Engineering, or a related field.
• 10+ years of progressive hands‑on experience in software development, with 4+ years in a Lead, Senior, or Tech Lead role.
• 8+ years of experience designing and implementing Java‑based products and services.
• Proven experience designing and implementing highly available, scalable, and resilient microservices architectures.

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.