Sr. Backend​/Middleware Engineer

Knowledge Management, Inc. (KMI) has the leadership and experience to deliver innovative technology, logistics and management solutions to meet real mission requirements. KMI is a Minority Business Enterprise (MBE) and Small Disadvantage Business (SDB) that specializes in Logistics, Warehouse Services, Distance Learning/Training, Enterprise Solutions, Financial Management Support, Program Management, Intelligence Analysis & Threat Assessment, and Data Analytics/Operations Research. Since 1998, our solutions and services have helped our clients improve performance, drive cost and operational effectives, and map technology needs for tomorrow's requirements.

Title: Sr. Backend/Middleware Engineer

Location: Remote with ability to travel to support case work as required. Some travel requirements may be outside of the USA.

Position: 1

Duration: Multi-year program

Start date: ASAP

Security Clearance: Active US Treasury Public Trust preferred. Anyone with an active DOD clearance, would be processed for a DHS Public Trust.

Salary: Please provide your salary requirement

Knowledge Management, Inc. is seeking a Senior Backend/Middleware Engineer to design, develop, and maintain robust, scalable API and middleware solutions for our secure, mission‑critical applications. This role is critical to 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.

• 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.

• Proven experience as a Backend or Middleware Engineer in a senior‑level role.
• Expert‑level 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.

• 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 Git Hub Actions or Git Lab CI.
• Proficiency in containerization with Docker and orchestration with Kubernetes.
• An existing US Treasury Public Trust or equivalent Federal security clearance.

• Health, dental, and vision insurance
• 401(k) retirement plan
• Paid time off (PTO) and holidays
• Group Term Life and Accidental Death and Dismemberment Insurance
• Voluntary Term Life Insurance
• Short and Long‑term disability insurance

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.

Knowledge Management, Inc. participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S. If E-Verify cannot confirm that you are authorized to work, KMI is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment.

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