Carl-Philipp Harmant is a lead software engineer with 13 years of experience building reliable, scalable Java and Kotlin systems, currently shaping the unified commerce platform at Disney Streaming that serves millions across Disney+, Hulu, and ESPN. He brings deep backend expertise—evidenced by his clean-architecture Java example and hands-on work implementing authentication, repository adapters, and in-memory DB support—and a history of delivering enterprise integrations across healthcare, finance, and e-commerce. Comfortable mentoring teams and driving TDD and integration testing practices, he pairs practical engineering with architectural thinking from his time at Slalom Build and Peapod. Based in Chicago, he stays engaged with the developer community through the Chicago Java User Group and maintains an Android side project, Chicago Commutes, demonstrating a continual curiosity for end-user-facing products.
An example to create a clean architecture with Java 11
Role in this project:
Back-end Developer
Contributions:47 commits, 40 pushes, 1 branch in 1 year 8 months
Contributions summary:Carl-philipp primarily focused on building the back-end logic and implementing various features for a clean architecture example project using Java. Contributions include adding and removing dependencies (like Lombok), creating UUID generators, implementing user authentication use cases (login and create user), and adding a repository adapter. The user also refactored code to improve the project structure and added database support using H2 and Hazelcast.
Contributions:321 commits, 5 pushes, 1 branch in 1 year 7 months
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Carl-philipp Harmant - Senior Software Engineer at Disney Streaming