Haitham Leo

Summary

Tech lead and full-stack engineer with a physics degree. I lead teams that ship products end to end, from the interface people touch to the infrastructure nobody sees, and I care about design as much as I care about systems.

Selected missions

• Sweetchi

  Design & front-end

  A storefront website for a dessert brand.

  HTML · CSS · JavaScript

• Submarine Battle

  Game design & development

  A browser strategy game: find and sink nine hidden submarines.

  JavaScript · HTML · CSS

Skills, by layer of the stack

Interface

ReactNext.jsTypeScriptJavaScriptHTML / CSSUI / UX designFigma

Services

Node.jsGoPythonPHPSQLAPI design

Infrastructure

DockerLinuxCI / CD

Leadership

Technical directionArchitectureMentoringCode review culture

Data & credits

• Star positions, colours and constellation lines: d3-celestial by Olaf Frohn (BSD-3-Clause), from the Yale Bright Star Catalog.
• Ephemerides, sidereal time and Moon phase: astronomy-engine by Don Cross (MIT).
• Planet and Earth textures: Solar System Scope (CC BY 4.0), Earth maps derived from NASA Blue Marble and Black Marble.
• Live weather at Wahiba Sands: Open-Meteo.com (CC BY 4.0).
• ISS orbital elements: CelesTrak, propagated with satellite.js (SGP4, MIT).
• Yesterday’s clouds: imagery from NASA’s Global Imagery Browse Services (GIBS), part of NASA’s Earth Science Data and Information System (ESDIS).
• Fonts: Instrument Serif, Inter and JetBrains Mono (SIL Open Font License).