Backend Engineer based in Paris, with a strong Python and Node.js core. I build production-grade APIs, data pipelines, and multi-tenant platforms, with a focus on reliability, observability, and shipping systems that hold up under real-world constraints.
My background spans fintech, government platforms, and SaaS, with hands-on exposure to cloud infrastructure, PostgreSQL at scale, and production operations.
- Backend: Python, Node.js, FastAPI, Django, Flask, Laravel, Ruby on Rails
- Databases: PostgreSQL (modelling, query optimisation, indexing), MySQL, MongoDB
- Cloud & DevOps: AWS (ECS, RDS, S3, Lambda, CloudWatch, EventBridge), Docker, Kubernetes, Terraform, GitHub Actions, GitLab CI/CD
- Data & Observability: ETL pipelines, Databricks, telemetry processing, SQL optimisation, monitoring & alerting
- Frontend: React, Next.js, Vue.js, Tailwind CSS
Lenal — Logistics Dispatch Platform (Active)
Production logistics backend built with FastAPI, SQLAlchemy, PostgreSQL, and Docker. Multi-tenant architecture with role-based access, full delivery lifecycle management, event sourcing for audit trails, and JWT/phone-based auth. Designed offline-first (USSD/SMS) for the Kaduna, Nigeria market, real businesses committed to beta testing.
Android app with a Python (Flask) backend serving localised content for Fulfulde speakers. 50K+ downloads on the Play Store. Maintained 99.9% API uptime via caching, monitoring, and alerting.
Fullstack e-commerce platform built with React, Node.js, and MongoDB — authentication, product management, order workflows, and PayPal integration.
- Building Lenal — a production logistics platform with real clients waiting on beta
- Kubernetes KCNA — Andela African Developer Program (March 2026)
- AWS Solutions Architect – Associate (in progress)
- 🌐 Portfolio: marwanmai.com
- 💼 LinkedIn: linkedin.com/in/marwan-mai
- 📧 Email: emef4z@gmail.com