Enterprise Application/Integration Engineer

Ad Hoc is a technology company that empowers organizations to deliver scalable, impactful digital services. Using modern, agile methods, our team creates products that meet people’s needs and transform their experience of government.

Our collaborations have shaped some of the defining moments in public-sector service delivery. We’ve helped build products that connect Veterans to tailored services, help millions access affordable health care, and support important programs like Head Start. As we work with agencies to deliver critical services, we’re also changing how the government approaches technology.

Our culture, communications, and tools are built for remote work, enabling us to bring together top talent nationwide. At Ad Hoc, remote life empowers our teams to design work environments that fit their lives and that foster flexibility and collaboration to achieve positive outcomes for our customers.

Ad Hoc values acceptance, accountability, and humility. We aren’t heroes. We learn from our mistakes and improve the process for the next time. We build small, inclusive teams to collaborate closely with our partners to solve the right problems and deliver software that works.

The Veterans Affairs business unit helps transform the VA into a modern digital services organization where Veteran outcomes are at the center of every effort. We partner with the VA to design and deliver seamless user experiences for Veterans, their families and caregivers, and VA employees. By applying better practices in service design, product management, and technology, we enable the VA to increase the use, quality, and reliability of services and decrease the time Veterans spend waiting for outcomes.

We are seeking a Senior Enterprise Applications / Integration Engineer to support the modernization and sustainment of the Veterans Enrollment System (VES). This role is responsible for designing, implementing, maintaining, and supporting complex system-to-system integrations across critical VA and external platforms.

This position focuses on enterprise application integration, serving as a technical leader responsible for enabling secure, reliable data exchange between VES and numerous enterprise partners, including Oracle EHRM, VistA, VA Profile, VA.gov, MPI/IAM, and external payer systems.

The ideal candidate will possess deep experience designing and supporting enterprise integrations, modern microservices architectures, healthcare or government systems, and highly regulated environments handling sensitive veteran data.

• Design, develop, and maintain enterprise integration solutions between VES and internal/external partner systems.
• Collaborate with enterprise architects, technical leads, and integration stakeholders to ensure interoperability across platforms.
• Support bi-directional data exchange between VES and systems such as VistA, Oracle EHRM, VA Profile, VA.gov, MPI/IAM, and Payer EDI platforms.
• Participate in architectural reviews and technical solution design activities.
• Manage and sustain production integration interfaces supporting mission-critical veteran enrollment and eligibility services.
• Monitor integration performance, identify bottlenecks, and implement improvements to ensure reliability and scalability.
• Support modernization initiatives while maintaining existing integration capabilities.

• Bachelor’s degree and 8+ years of experience

• Experience integrating enterprise systems across multiple platforms and environments.

• Experience troubleshooting complex distributed application and data integration issues.

• Experience supporting system-to-system integrations in large-scale enterprise environments.

• Experience with data exchange patterns, messaging systems, API integrations, and event-driven architectures.

• Experience managing integration interfaces across multiple business partners and stakeholders.

• Experience with Java 17+, Spring Boot, Reactive RESTful Web Service Development with Spring WebFlux, Streams, Kafka, Redis, Oracle database, React/Next.js UI framework, Github, Kubernetes, and Docker. Ensure the stack enhances performance, security, and maintainability.

• MUMPS (VistA), Java Server Pages(JSP), Spring framework, Apache Struts, Hibernate, IBM ODM, Oracle weblogic application server

• General understanding of government contracting requirements and regulations