Fusivo LLC
Backend engineering and cloud consulting, built on nearly 30 years of Java depth.
Fusivo LLC pairs nearly three decades of production Java experience with daily, hands-on use of AI tooling to modernize legacy systems faster. The practice has built and scaled back-end platforms for retail, e-commerce, and education brands — from post-acquisition integration work at Zappos to a learning platform serving 16 million users at Cengage Group.
Delivered engagements for
What Fusivo does
See all services →Backend & API Engineering
Java and Spring Boot systems built for correctness and long-term maintainability, including REST and microservice architectures.
Cloud & DevOps
Containerized deployments on AWS and Kubernetes, infrastructure as code with Terraform, and CI/CD pipelines that hold up under real traffic.
Legacy Modernization
Incremental upgrade paths for aging Java/JEE codebases: framework upgrades, service decomposition, and test coverage that makes change safe.
Systems Integration
Gateway and API integration work connecting internal platforms, LMSs, and third-party services, drawing on years of enterprise integration experience.
Have a system that needs attention?
Whether it's a legacy platform, a cloud migration, or an integration project, let's talk about what it would take.