Skip to content
View grnlogic's full-sized avatar
🏠
Working from home
🏠
Working from home
14 followers · 13 following

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Quickdraw

Achievements

Achievement: Pull Sharkx2Achievement: Pair ExtraordinaireAchievement: Quickdraw

Highlights

Block or report grnlogic

Block user

Prevent this user from interacting with your repositories and sending you notifications. Learn more about blocking users.

You must be logged in to block users.

Maximum 250 characters. Please don’t include any personal information such as legal names or email addresses. Markdown is supported. This note will only be visible to you.
Report abuse

Contact GitHub support about this user’s behavior. Learn more about reporting abuse.

Report abuse
grnlogic/README.md

Typing SVG

       


// whoami

Full-stack developer focused on building and maintaining real internal business systems — HR/payroll, inventory & general affairs, and point-of-sale platforms — end to end, from database design to production deployment. Currently at PT. Padud Jaya Putera in a hybrid intern/staff role, owning several internal applications used daily across the company's divisions.

Started programming self-taught in high school, then expanded into full-stack engineering, applied AI/ML, and security during university. Member of the ethical hacking specialization group (JKF) at UNSIL.

const fajar = {
  role       : "Full-Stack Developer & Internal Systems Engineer",
  education  : "Informatics Engineering — UNSIL (Active)",
  position   : "PT. Padud Jaya Putera (intern transitioning to staff)",
  freelance  : ["CRW POS", "SalonNext", "WAMS", "MBG", "Waterboom Cijoho"],
  focus      : ["Full-Stack Web", "Internal Business Systems", "Security", "AI/ML"],
  available  : true,   // open to freelance
};

// stack

Languages
TypeScript JavaScript Python

Frontend
React Next.js Tailwind CSS Vite

Backend & API
Node.js Express Prisma

Database & Infrastructure
PostgreSQL Docker Ubuntu Server Linux

Security & AI/ML (academic focus)
Kali Linux Scikit-learn Jupyter

Tools
Git VS Code Figma Vercel


// projects

HRD & Payroll System — PT. Padud Jaya Putera
Production HR system used daily across multiple company divisions (Padud, Sunarya, Prima).

Next.js 15 React Prisma PostgreSQL NextAuth 🟢 In production, undergoing phased UI/architecture rework

Role-based access (HRD/Accounting), multi-location payroll (staff & non-staff), attendance, leave, PKB document editor, encrypted employee PII

General Affairs & Inventory Workspace — PT. Padud Jaya Putera
Internal cross-company asset & inventory management application, built from the ground up.

React 19 Vite TypeScript Tailwind CSS Express Prisma PostgreSQL 🟢 In production internal use

Multi-company asset tracking, vendor & cleaning logs, JWT auth, QR-based asset workflow

CRW POS — Freelance
Point-of-sale and production management system rebuild for a printing business client.

Next.js (App Router) TypeScript Tailwind CSS Prisma PostgreSQL 🔵 Active, fixed-price milestone contract

Custom pricing engine (HPP/BBB/BTKL/BOP), order & production workflow, role-based POS, quotation & invoice generation

Other Freelance Projects
SalonNext · WAMS · MBG · Waterboom Cijoho

Web Attack Detection — Ethical Hacking Research (Final Project)
ML-based web attack detection pipeline comparing multiple models on the CSIC 2010 HTTP dataset.

Python Scikit-learn Jupyter Notebook 🔵 In development

Random Forest, Isolation Forest & SVM/Logistic Regression comparison; model export; demo website

// stats



// freelance

Available for freelance projects — full-stack web apps, internal business systems, POS/inventory platforms.

Platform Link
🌐 Portfolio fajargeran.my.id
💼 Upwork upwork.com/freelancers/~0161b57f32127352e8
🎯 Sribu sribu.com/id/users/FajarGeran

"Build things that matter, secure things that count."

── grnlogic ──

Popular repositories Loading

  1. Hack-Lab-Terminal Hack-Lab-Terminal Public

    Python 2

  2. UMKMForecast-Jabar UMKMForecast-Jabar Public

    TypeScript 1

  3. sunda-website sunda-website Public

    JavaScript 1

  4. DigitalSignatureBackEnd DigitalSignatureBackEnd Public

    Java 1

  5. Digital-Signature-Application Digital-Signature-Application Public

    Implementasi Digital Signature menggunakan ECDSA dan hashing dengan BLAKE3.

    Java 1

  6. Proyek-Asisten-Anime---Elaina-AI-Waifu-Assistant Proyek-Asisten-Anime---Elaina-AI-Waifu-Assistant Public

    Python 1