Seif Sgayer
Founder & CEO at HorizonLux
Nabeul, Tunisia
Summary
👤
Senior🎓
Top SchoolSeif Sgayer is a founder and CEO with 11 years of hands-on software engineering experience building full-stack SaaS products and high-traffic web applications. Based in Nabeul, Tunisia, he combines practical expertise in JavaScript/TypeScript stacks (Node, React, Express) with prior enterprise experience in C#/.NET and API design. He has led cross-functional teams, streamlined hiring, and implemented project management systems to scale delivery at HorizonLux after directing software development at Locus Digital. As a longtime freelancer and systems architect he’s delivered real-time features, payment integrations, and cloud deployments for diverse clients, showing a strong bias for pragmatic, production-ready solutions. He pairs founder-level strategic thinking with deep implementation skills, often personally architecting REST APIs and real-time systems. A self-taught full-stack developer certified through freeCodeCamp, he retains a developer’s focus on shipping and automating value rather than just building tech for its own sake.
11 years of coding experience
12 years of employment as a software developer
Bachelor's degree, Computer Science, Bachelor's degree, Computer Science at Université de Tunis El ManarFull Stack Web Development Certification, Computer Software Engineering, Full Stack Web Development Certification, Computer Software Engineering at freeCodeCampBaccalauréat, Computer Science, Baccalauréat, Computer Science at Lycée Nefta
Arabic, French, Italian, English
Stackoverflow
268reputation
6kreached
5answers
4questions
Github Skills (174)
websocket10
javascript10
tencent10
socket-io10
nodejs10
css10
server10
react10
animation9
azure9
stream9
realtime9
terraform9
math9
aws9
Programming languages (7)
Github contributions (5)
seifsg/seifsg.github.io
Aug 2017 - Jan 2018
Contributions:155 commits, 4 PRs, 103 pushes in 5 months
seifsg/gigalixir-web
May 2020 - Jun 2020
Contributions:3 PRs, 23 pushes, 5 branches in 11 days
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