Adrien L.

• • Designed and developed Java 17 / Spring Boot / Spring Cloud microservices on a CCaaS production platform (IVR, NLU/ASR, email, billing).

• • Created async task tracking microservice from scratch: JPA, REST, Quartz, RabbitMQ (Spring Cloud Stream), Testcontainers, multi‑ tenant OAuth2.

• • Integrated Microsoft Graph API via Apache Camel 4: inbound/outbound email connector replacing IMAP/SMTP, Exchange shared mail‑ box support (application flow OAuth2), chunked large file attachment upload.

• • Integrated third‑party NLU/ASR provider on inbound telephony flows: Feign client, Spring Events decoupling, IVR transition graph.

• • Monthly billing system split by usage profile: MongoDB, MapStruct, OpenAPI.

• • Continuous stack modernization: Java 17, Apache Camel 4, Resilience4j, Spring Boot/Cloud upgrades.

• • Tech lead on a multimodal conferencing platform (audio, web, video): Java/OSGi/Swing desktop application, Netty backend, ZeroMQ messaging.

• • Bootstrapped the Angular web interface: designed the highly reactive SPA architecture, then onboarded an intern to take full owner‑ ship of the frontend.

• • Developed high‑performance C++ modules for real‑time screen sharing and video capture.

• • Wrote functional specifications and coordinated a mixed team of 2 in‑house developers and 2 specialist contractors.

• • Built internal tooling: Install4j packaging, build and deployment automation. Contributed to datacenter capacity expansion: equipment configuration

• • Redesigned and developed both backend and frontend layers of the application.

• • Optimized page load speeds and integrated a consistent graphic charter across the platform.

• • Implemented enhancements based on user feedback, while managing priorities and task backlog.

• • Researched and tested solutions for porting the application to mobile platforms.