Senior Java Backend Developer

Insight Global is seeking a Senior Java Backend Developer to support enterprise-scale API Gateway and Identity Access Management (IAM) initiatives.

The ideal candidate is a hands-on, self-driven developer with strong Java backend experience, expertise in authentication and authorization, and the ability to work independently in complex environments. This individual will focus on building scalable backend services, modernizing existing applications, reducing technical debt, and leveraging AI-assisted development tools to improve efficiency.

Key Responsibilities Design, develop, and maintain secure, scalable Java backend services and RESTful APIs. Build and enhance authentication, authorization, and API Gateway integrations. Develop microservices using Java and Spring Boot. Modernize legacy applications, refactor code, and reduce technical debt. Troubleshoot complex production issues and drive root cause resolution. Collaborate with architecture, security, and engineering teams to implement best practices. Leverage AI-assisted development tools to improve code quality, testing, and productivity. Take ownership of development deliverables in a fast-paced environment.

5+ years of professional Java backend development experience. Strong hands-on experience with Java, Spring Boot, REST APIs, and microservices. Experience with authentication and authorization technologies. Knowledge of OAuth 2.0, OIDC, JWT, SAML, or similar security protocols. Strong understanding of API Gateway architectures and security controls. Experience with distributed systems and cloud-native applications. Strong troubleshooting, debugging, and code refactoring skills. Ability to work independently and quickly ramp up in complex technical environments. Experience with API Gateway platforms such as Apigee, Kong, AWS API Gateway, or MuleSoft. Familiarity with identity management platforms such as Okta, Ping Identity, ForgeRock, or Auth0. Experience with AI development tools such as GitHub Copilot, Cursor, Kiro AI, or Amazon Q. Experience with CI/CD pipelines, automated testing, and DevSecOps. Background supporting high-volume enterprise applications.