Oussama EL-MOATAMID

• Designed and shipped the company-wide Kafka event catalog, covering discovery, documentation and governance of business events across all microservices. • Implemented the Schema Registry with compatibility validation and automated CI checks, preventing breaking changes in production. • Standardized Kafka practices across engineering, from topic naming to schema structures and ownership metadata. • Built a cross-service document sharing framework with data governance, orchestrated using the Saga pattern. • Added a data taxonomy framework to Kafka events, easing their classification and governance. • Developed reusable token generation services with Keycloak and AWS Cognito, simplifying authentication integration and centralizing secrets in Vault. • Wrote technical specifications in direct collaboration with architects and business teams. • Introduced OpenSpec to drive spec-driven development, streamlining how features are specified and reviewed before coding.

• Developed and delivered features for GreenPath, a SaaS platform helping organizations monitor and reduce their environmental footprint. • Led technical and data model migrations across the entire platform with zero downtime and no customer regressions. • Accelerated development across several teams with a shared component library that became the internal standard. • Strengthened releases through a complete testing strategy combining TDD, BDD Gherkin and Mabl, sharply reducing post-release incidents. • Reduced build times and automated deployments by optimizing CI/CD pipelines.

• Delivered a platform handling 100+ campaigns per month, used autonomously by business teams to create, schedule and track their campaigns. • Enabled targeted communications to 500K+ contacts through audience segmentation and scheduling. • Designed a collaborative drag-and-drop email editor offering 50+ reusable templates, adopted by 20+ business users. • Orchestrated the delivery of 1M+ emails per month through backend REST APIs. Integrated backend services powering campaign orchestration and large-scale audience management.

• Designed and integrated 10+ REST APIs connecting loyalty and e-commerce systems, handling 100K+ daily requests across web, mobile and in-store. • Built a unified cross-channel transaction system providing a 360° customer view and consistent loyalty benefit attribution. • Rolled out marketing automation across 15+ markets, boosting engagement and retention through targeted campaigns. • Reduced production regressions by covering critical purchase flows with automated unit, integration and E2E tests. • Delivered 30+ interactive landing pages and Adobe WebApps supporting the loyalty program.