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samuelsihotang1/README.md

Hi, I'm Samuel Sihotang

Software Engineer

Full-stack Software Engineer delivering retail ERP, POS, and loyalty platforms across 20+ applications for 5 enterprise clients, with Laravel, Angular, Ionic Angular, React, and .NET. Specializes in cross-system integration, multi-tenant architecture, and database performance tuning — cutting redundant API calls by 40% and developer debugging time by 70%.

📌 Click!

👉 About Me

  • 🌱 Software Engineer based in Jakarta, Indonesia
  • 🎓 Bachelor Degree in Information System (3.65/4.00), Del Institute of Technology
  • 💼 Currently a Software Engineer at Alturian Indonesia, building retail ERP, POS, and loyalty platforms
  • 🛠️ Frameworks: Laravel, Angular, Ionic Angular, React, Fastify, Gin, .NET, Flutter, Livewire, Tailwind CSS
  • 💻 Languages: C#, PHP, JavaScript, TypeScript, Dart, Java, Go, Kotlin, Swift

💼 Work Experience

Period Role Company
Oct 2025 - Present Software Engineer Alturian Indonesia
Aug 2024 - Jun 2025 IT Developer Intern PT Tera Multi Wahana
Jun 2024 - Aug 2024 Backend Developer Intern PT Infosys Solusi Terpadu

🎓 Education

  • Bachelor Degree in Information System, 3.65/4.00 — Del Institute of Technology (Sep 2021 - Sep 2025)
  • Certified Independent Study in Web Development & UI UX Design – MSIB — Infinite Learning (Feb 2024 - Jun 2024)

🌐 Projects

  • 🔗 SiniAja! — Link-in-bio platform with a Go (Gin + GORM) API backend (79 endpoints, 10 tables) and a React + TypeScript SPA, token auth, Google Sign-In, hand-implemented TOTP MFA, bilingual UI, and 65 automated Go tests. Go Gin React TypeScript MySQL
  • 📲 Snapshore — Moves photos from a phone to a laptop over a data cable or the same Wi-Fi, with no account or cloud, then deletes from the phone only what is SHA-256 verified on the laptop. Its own HTTPS protocol (the phone serves, the laptop fetches) with mDNS/USB discovery and pinned-TLS pairing, a Go + Wails desktop app for Windows and macOS with an offline timeline and map of the library, Kotlin and SwiftUI phone apps, and 280+ automated tests; moved 12,000 photos off a 4 GB-RAM phone at an 81.5 MB memory peak. Go React TypeScript Kotlin Swift
  • 🎯 Habit Shaper — Habit tracker for building good habits and breaking bad ones, with a Fastify + TypeScript REST API and a React 19 SPA, streaks and weekly completion rates computed in each user's time zone, TOTP two-factor sign-in, and 130+ automated tests, shipped as one Docker Compose stack. React TypeScript Fastify MySQL Redis Docker
  • 🎬 Mavie Cinema — Cinema website with subscription and payment gateway features, running on FrankenPHP. Laravel React MySQL
  • 💳 Transaction w Auth — Product, order, and authentication management system with a .NET Core (C#) backend and a React + Vite + TailwindCSS frontend. ASP.NET Core React SQL Server
  • 🧑🏻‍🏫 Bebras Help Desk Application — Discussion forum helping educators share knowledge and run Q&A sessions. Laravel Livewire MySQL
  • 🧺 Laundry Del — Order tracking system for students and laundry staff. Laravel Livewire MySQL
  • 🍽️ Cafetaria — Rating platform helping cafeteria operators evaluate their food menus. Laravel Livewire MySQL

✉️ Contact

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  1. Mavie-Cinema Mavie-Cinema Public

    A cinema website equipped with subscription and payment gateway features, running on FrankenPHP.

    PHP

  2. Bebras-Help-Desk-Application Bebras-Help-Desk-Application Public

    A website-based forum that assists educators in discussing various topics, sharing knowledge, and engaging in mutual question-and-answer sessions.

    Blade 4

  3. Cafetaria Cafetaria Public

    A website that can assist cafeteria operators in determining the ratings of the food menus they offer.

    CSS 1

  4. Laundry-Del Laundry-Del Public

    A website that can help students and laundry staff find out information about all orders and student clothes.

    CSS 1