Profile overview
A quick summary of the freelancer’s background, positioning, and value proposition.
PhD in Theoretical Physics • Backend & Mobile Engineer.
Core expertise
The skills, environments, and tools that help assess the profile quickly.
Core skills
Programming languages
Databases
CMS
Operating systems
Tools
Git, Docker, Terraform
Background and missions (6 years)
Past missions help understand autonomy, client context, and the freelancer’s progression.
Software Engineer
01/02/2024 - ongoing
Architected and built XChat, Yassir's real-time messaging platform serving rides, food-delivery, and other verticals—Go REST API (Fiber) + Elixir/Phoenix WebSocket layer handling 100K+ concurrent connections per node. Designed an event-driven pipeline (GCP Pub/Sub, Broadway) with async workers for message persistence, FCM push notifications, and cache warming; implemented CDC via MongoDB Change Streams to auto-manage service rooms across ride/order lifecycles. Applied hexagonal architecture (ports & adapters) across Go and Elixir codebases; integrated Firestore, Redis, LiveKit (WebRTC voice/video), and Terraform/Terragrunt IaC across multi-environment GCP infrastructure. Contributed to native Android development in Java/Kotlin, leveraging Jetpack Compose, Dagger Hilt, and modern architecture patterns for the Yassir super-app.
Senior Android Developer
01/05/2023 - 29/02/2024
Led Android development using Java/Kotlin with Jetpack, ensuring seamless API integration, security, and performance across the application. Collaborated within cross-functional teams, translating business needs into high-quality, production-ready features.
Android Developer
01/01/2023 - 31/08/2023
SonanceAI — Consultant SqlDelight, Retrofit, and Dagger Hilt; integrated an ML model for real-time image segmentation.
Teaching Assistant
01/01/2019 - 30/06/2023
Qloga — Consultant Built a native Android app with Jetpack Compose, OKTA authentication, and data-binding improvements. ☏ ✉ ☍ Taught Classical Mechanics, Electricity, Vibration & Mechanical Waves, and Optics.
Feedback and recommendations
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