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karam shekh yusuf

@karamshekhyusuf

Full-stack developer building PhysEZ with React, Node.js, and PostgreSQL, including booking automation and Google Calendar integration.

Israel
Message

As a Full-Stack Developer & Automation Freelancer, I developed PhysEZ, a lesson scheduling and booking platform using React, Vite, Node.js, Express, and PostgreSQL. I implemented JWT-based authentication and role management, integrated Google Calendar, and created n8n and webhook workflows for booking management and notifications.

I also developed a Python trading bot with backtesting and CCXT exchange integration, and deployed production software on a VPS using Nginx. Alongside software development, I teach physics and electrical engineering and am researching superconductors and terahertz systems at Ariel University.

Experience

Work history, roles, and key accomplishments

SE
Current

Full-Stack Developer & Automation Freelancer

Self Employed

Jan 2026 - Present (9 months)

Developed PhysEZ, a full-stack web platform for lesson scheduling and booking, with a Vite/React frontend and a Node.js/Express backend connected to PostgreSQL. Implemented JWT-based authentication, Google Calendar integration, and n8n automation workflows, and deployed the production environment on a VPS with Nginx.

RC
Current

Outstanding Teaching Assistant & Physics Laboratory Instructor

Ruppin Academic Center

Jan 2023 - Present (3 years 9 months)

Guide and lead experiments in physics and electricity laboratories using measurement systems, electrical components, and advanced laboratory instrumentation. Teach students to analyze physical and electrical phenomena, process experimental data, and draw engineering conclusions.

JB

Practical Electrical Engineer

Jebara Business

Jan 2018 - Dec 2020 (2 years 11 months)

Planned and drafted electrical systems for private buildings, events, and production environments. Used AutoCAD to create electrical schematics, system layouts, and panel drawings, and inspected electrical systems in the field.

TN

Industrial Refrigeration Electrician

Tnuva

Jan 2026 - Present (9 months)

Maintained electrical systems, equipment, and machinery in an industrial plant to support reliable and continuous operation. Monitored, controlled, and operated industrial refrigeration systems, and diagnosed faults in electrical and refrigeration systems.

Education

Degrees, certifications, and relevant coursework

Ariel University logoAU

Ariel University

M.Sc., Physics

2024 -

Pursuing an M.Sc. in Physics with a research focus on superconductors and terahertz systems.

NE

NewTech

Full-Stack Development & AI Course, Full-Stack Development & AI

2026 - 2026

Completed a Full-Stack Development & AI course at NewTech in 2026.

NC

Next College

Software QA & Automation Course, Software QA & Automation

2025 - 2025

Completed a Software QA & Automation course at Next College in 2025.

Ariel University logoAU

Ariel University

B.Sc., Electrical & Electronic Engineering

2018 - 2022

Earned a B.Sc. in Electrical & Electronic Engineering with a specialization in Power Systems and Control.

Ariel University logoAU

Ariel University

Physics

2018 - 2021

Studied Physics at Ariel University from 2018 to 2021.

OC

ORT Hermelin College

Practical Electrical Engineering Diploma, Electrical Engineering

2016 - 2018

Earned a Practical Electrical Engineering Diploma from ORT Hermelin College from 2016 to 2018.

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