Mid-level Backend/Middleware Developer

Knowledge Management, Inc.•Washington, DC

5d•Remote

About The Position

Knowledge Management, Inc. (KMI) is seeking a Mid-level Backend/Middleware Developer to design, develop, and maintain robust, scalable API and middleware solutions for secure, mission-critical applications. This role is critical to the client's product roadmap and will focus on building secure, high-performance middleware services using Java and Spring Boot, with a strong emphasis on Zero Trust principles.

Requirements

Proven experience as a Backend or Middleware Engineer in a senior-level role.
Proficiency in Java and the Spring Boot ecosystem.
Hands-on experience implementing and securing APIs with OAuth 2.0 and OIDC.
Strong understanding and practical application of RBAC and ABAC for authorization.
Proficiency with version control systems, particularly Git.

Nice To Haves

Experience with Bedrock for managing backend data warehousing and storage needs.
Familiarity with Nutanix infrastructure and platform solutions.
Hands-on experience building and managing CI/CD pipelines in either GitHub Actions or GitLab CI.
Proficiency in containerization with Docker and orchestration with Kubernetes.
An existing US Treasury Public Trust or equivalent Federal security clearance.

Responsibilities

Design, develop, and deploy comprehensive RESTful APIs using Java and the Spring Boot framework.
Implement and maintain security for API endpoints using OAuth 2.0 and OpenID Connect (OIDC) protocols.
Enforce authorization policies based on Role-Based Access Control (RBAC) and Attribute-Based Access Control (ABAC) principles.
Contribute to the development of secure edge computing and cloud-native solutions that meet stringent compliance and security criteria.
Write clean, maintainable, and testable code with a strong emphasis on performance and reliability.
Collaborate with cross-functional teams to deliver compliant mobile solutions designed to streamline workflows and enhance operational efficiency.
Participate in code reviews to ensure high-quality standards are met.