Mid-level Backend/Middleware Developer
Company: Knowledge Management, Inc.
Location: Washington, DC 20224 (Remote)
Salary: $125,000 - $130,000 a year
Type: Full-time
Remote: Yes
Posted: 2026-04-17
About this role
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 AnalysisThreat 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: Mid-level Backend/Middleware Developer
Location: Remote
Position: 1
Duration: Multi-year program
Start date: ASAP
Security Clearance: Active US Treasury Public Trust is preferred. Anyone with an active DOD clearance, would be processed for a Public Trust.
Salary: Please provide your salary requirement
Position Overview: Knowledge Management, Inc. is seeking a Mid-level Backend/Middleware Developer 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.
Key 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 emphas...