Yusef Nsar
Yusef Nsar — Full Stack Developer
EXPERIENCE
Led team and architecture of a Node.js templates engine powering a medical translation platform, cutting supplier & software costs by 40%.
Parallelized document pipeline processing and decoupled services via event-driven messaging, tripling throughput under peak load.
Built automation pipelines integrating major US insurers and hospitals, eliminating manual document processing.
Rebuilt CIB mobile and online banking with React Native and Nest.js, serving 1.7M+ active users and meeting strict security and compliance standards.
Engineered Egypt's first complete digital banking onboarding flow with KYC verification, document upload, and biometric checks.
Resolved critical legacy memory leaks and race conditions, and integrated the platform across 5+ internal teams with zero disruption to operations.
Built Node.js & AWS integrations for 7 enterprise clients on Mottasl, a business messaging platform processing 20M+ messages.
Shipped 10+ features and integrated Mottasl with Odoo, OTO, Zid, and Salla, expanding reach across e-commerce ecosystems.
Applied code splitting, lazy loading, and bundle optimization, improving Core Web Vitals scores across affected products.
Shipped cross-platform mobile and web apps and payment systems to production within an Agile Scrum team.
Boosted Lighthouse performance scores by 74% and accelerated CI/CD pipeline speed by 250%.
Taught web design and modern front-end practices to university students across Egypt.
SELECTED PROJECTS
Immersive landing page for a boutique digital agency — 3D scene work, fluid transitions, and animations that sell the studio's craft at a glance.
Built with React, R3F, GSAP, and Astro; island architecture keeps load times near-instant without sacrificing SEO.
Redesigned mobile banking experience for Egypt's largest bank — a clean, modern interface that raised the bar for mobile banking in the region.
React Native frontend paired with a Nest.js backend, built to the security and compliance standards of a top-tier financial institution.
Omnichannel business messaging suite powering 20M+ messages — helping companies manage customer communication across chat, SMS, and automated workflows.
Multi-product build: React dashboards, Angular client apps, and a Node.js backend serving a platform at scale.
Tap-to-share digital business cards for small businesses — fully branded profiles, instant NFC sharing, and a dashboard to manage your digital presence.
Built with React and Next.js, with a frictionless onboarding flow designed for non-technical users.
Rhythm-Dodge-based space flight game built for the Three.js Journey challenge #22 — dodge enemy lasers and fields at speed, with a bespoke collision system that defines levels and game state.
Built with React, R3F, and WebGPU/TSL; collision detection uses a clever spatial design approach instead of a physics engine, keeping it lightweight and precise.
SKILLS
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