Java Backend Developer

Quick Facts

• Backend engineering role focused on enterprise authentication/authorization services.
• On-site in Greenwood Village, Colorado.

Description

Support enterprise-scale API Gateway and Identity & Access Management initiatives. Design, develop, and maintain secure authentication and authorization backend services, APIs, and microservices, while reducing technical debt and improving code quality. Troubleshoot complex production issues and refactor legacy systems for maintainability, performance, and reliability.

Responsibilities

• Design, develop, and maintain backend services for secure authentication and authorization
• Build and enhance integrations with API gateways and security frameworks
• Develop secure, scalable, high-performance APIs and microservices
• Collaborate with security, architecture, and platform teams on IAM best practices
• Analyze and remediate technical debt across existing backend platforms
• Refactor legacy applications to improve maintainability, performance, and reliability
• Troubleshoot complex production issues and drive root cause resolution
• Create well-tested, maintainable code using modern development standards
• Use advanced development tools to improve delivery velocity, code quality, and testing efficiency

Requirements

• Bachelor’s degree in Computer Science, Information Technology, or related discipline, or equivalent experience
• Minimum 5 years of professional backend development experience on robust enterprise services
• Proficiency in Java, Spring Boot, microservices architecture, and RESTful APIs
• Hands-on experience with authentication/authorization technologies including OAuth 2.0, OpenID Connect (OIDC), JWT, SAML, or related security protocols
• Strong understanding of API gateway architectures and database technologies (relational and non-relational)
• Familiarity with modern software development lifecycles