Integration Developer/Middleware Specialist

The Integration Developer / Middleware Specialist leads the design and implementation of all system integrations. This role is central to achieving the program's goal of end-to-end financial transparency -- ensuring seamless handshakes between contract writing, financial management, and Line of Accounting (LOA) data streams.

The Integration Developer architects and builds the middleware layer, API integrations, and data exchange mechanisms that enable the platform to interoperate with systems while maintaining auditability, security, and performance. This role partners closely with the Enterprise Architect, Data Engineers, and platform teams.

Requirements:

8+ years of software development experience with at least 5 years focused on enterprise system integration and middleware development.

Demonstrated expertise in RESTful API design and development, including OpenAPI/Swagger specification.

Experience with enterprise integration patterns including event-driven architectures, message queues, and ESB/iPaaS platforms.

Proficiency in one or more integration-relevant programming languages (Java, Python, Node.js) and integration frameworks.

Experience integrating COTS platforms with federal legacy systems.

Working knowledge of federal security standards (NIST SP 800-53, TLS/mTLS, OAuth 2.0/OIDC) as applied to system integrations.

Bachelor's degree in Computer Science, Software Engineering, or related technical field required.

Active or ability to obtain government security clearance.

Qualifications:

Direct experience building integrations on or with the Appian platform using Appian's Connected Systems and Web API capabilities.

Familiarity with integration standards, MuleSoft, IBM MQ, or equivalent middleware platforms used in federal environments.

Experience integrating federal financial management systems such as UFMS, IPPS, or equivalent LOA data sources.

Knowledge of HL7 FHIR, EDI, or other federal data exchange standards as applicable to VA environments.

Experience supporting FedRAMP High.