Elie Sfeir. Senior Software Engineer
Based in Beirut. Building software since 2014 and leading engineering since 2022 . I work on enterprise analytics and a marketplace with 3M+ users .
Currently at &
Worked with clients & partners Through Knowi & Simly 01 / SELECTED WORK
Built for the real world. Two teams. Plenty of meaningful work.
ENTERPRISE ANALYTICS
Complex data. I build Knowi's enterprise analytics platform, from the product itself to embedded analytics and customer integrations.
Embedded analytics · Integrations · AI
01 Analytics that feel like your product Built the embedded analytics theming and white-labelling system, from the CSS engine to the visual editor.
02 Commerce, connected Delivered Shopify and Recharge integrations covering OAuth, billing, and webhooks.
03 From a question to an answer Built AgenticBI orchestration across four LLM providers, with an MCP server and Slack and Teams integrations.
TELECOM & ECOMMERCE
Connecting millions. I helped grow Simly into the largest eSIM marketplace in MENA, building the systems and leading the team behind it.
TypeScript · Node.js · Kubernetes
01 Engineering, end to end Led 10 frontend and backend engineers, owning architecture, code review, and technical direction.
02 A foundation for growth Built event-driven TypeScript and Node.js services with RabbitMQ and Kubernetes.
03 Partnerships shipped to production Delivered Apple, Booking.com, Shahid, and Almosafer integrations, alongside regional telecom providers.
Users 3M+
Annual sales, approximately ~ $20M
Engineers led 10 PARTNER INTEGRATIONS I DELIVERED
Apple Booking.com Booking.com Shahid Almosafer 02 / SELECTED CODE
A few from the archives. 2017 → 2022 Public projects from my accounts and organizations. Small windows into how I think, build, and solve problems.
03 / A LITTLE MORE
Always building. My work has taken me through telecom, education, fintech, and enterprise analytics. I like getting close to a problem and seeing it through to production.
Outside that, I co-developed Quakely , an earthquake detection and early-warning project.
Featured in L'Orient Today Earlier experience Egyptian Ministry of Education May 2023 – Feb 2026 Full Stack Software Engineer. Built ESTest and ESAbroad, supporting tens of thousands of concurrent users during peak exam seasons.
Lyxa Sep 2024 – Nov 2025 Project Coordinator / Tech Lead. Led architecture and engineering workflows for a food-delivery platform.
Murex Jun – Dec 2023 Backend Software Engineer. Built Netty and PostgreSQL modules and worked on application performance.
Independent development Since 2014 Java plugins and server tooling for Minecraft and Spigot.
Tools I work with
Languages TypeScript, Java, JavaScript, Kotlin, Python
Backend Node.js, Spring Boot, Ktor, Netty, tRPC
Data & infrastructure PostgreSQL, MongoDB, Redis, RabbitMQ, Docker, Kubernetes
Frontend React, Angular, Tailwind CSS Education & languages BSc in Computer Engineering, Software Engineering.
Arabic, English, French, and Spanish.
GitHub, by the numbers 
