Nasr Rizkallah

• Co-founded an IT services firm delivering technical solutions and managed services for 15 active clients across Windows, macOS, and Linux.
• Troubleshot hardware, software, network, printer, and AV issues for clients, providing deskside and remote support.
• Recruited, onboarded, and trained 10 employees to expand delivery capacity and reduce bottlenecks.
• Implemented operating processes and cross-team coordination that improved efficiency, delivery timelines, and client satisfaction.
• Oversaw project delivery, resource allocation, and quality assurance across client engagements.

• Built a health technology platform from scratch, scaling to 15+ active clients with a cross-functional team of 12 developers and industry experts.
• Automated client workflows via scripting and database integrations, reducing overhead and improving turnaround time.
• Led product planning through direct client feedback loops, iterating on features based on real usage data.

• Handled B2B sales: identified prospects, ran outreach, and tracked pipeline activity with digital tools.

• Handled and organized jewelry inventory, maintaining displays and ensuring pieces were properly sorted and catalogued.
• Marketed the store through promotional and outreach efforts to attract customers and drive foot traffic.
• Sold jewelry to customers, providing personalized recommendations and attentive, relationship-driven service.
• Communicated with customers to understand preferences, answer questions, and build lasting client relationships.

• Ran a telephone marketing campaign, coordinated outreach, and reported on outcomes.

Rust API Backend & E-Commerce Loyalty System

• Designed, built, and deployed a production-ready full-scale REST API backend in Rust, handling high-concurrency request processing, authentication, and data persistence.
• Developed an end-to-end e-commerce loyalty system integrated with the API layer, supporting point accumulation, reward redemption, and customer tier management at scale.
• Deployed the system on Linux, leveraging Rust's performance and memory safety guarantees for reliable workloads.

Cybersecurity & OSINT Tool Development

• Aided in developing popular open-source cybersecurity and OSINT tools used by security researchers and investigators for reconnaissance and data gathering.
• Contributed to H.I.V.E, an open-source intelligence platform that automates data collection pipelines, integrates third-party APIs, and structures intelligence outputs for actionable analysis.
• Built automated reconnaissance workflows and data aggregation scripts across multiple OSINT sources.

Custom Rust Window Manager

• Patched and extended Niri, an open-source tiling Wayland compositor written in Rust, implementing new features and fixing bugs in the rendering and input pipelines.
• Implemented hardware color matrix (DRM CTM) support — added a color-matrix output config option and a matching IPC action to program the DRM CRTC CTM property for cross-channel color transformations with no render cost.
• Added a focus-monitor-under-cursor input action for monitor-focused window management workflows.

Large-Scale E-Commerce Platforms

• Developed and deployed multiple full-stack e-commerce applications supporting high-traffic storefronts, product catalogs, user authentication, and payment processing workflows.
• Built backend services with Node.js, PHP, and Go, front-end interfaces with React and React Native, and managed data layers using MariaDB, PostgreSQL, and Redis.

Exchange student from Princess Sumaya University for Technology. Coursework: Information Systems in Management, Business Statistics, Project Management & Leadership Skills.