🌏 Open to Remote/Onsite • Full-Stack + Blockchain Developer

ENGINEERING
SCALABLE SYSTEMS

Full-stack software engineer with a backend focus and 3+ years of experience building production-grade industrial automation, IoT, and data-driven systems.

Building on an intensive Blockchain Developer bootcamp foundation, currently deep-diving into the Web3 ecosystem—advancing expertise in Solidity, EVM, Rust, Smart Contracts, and DeFi protocols.

About

BRIDGING SYSTEMS
WITH CODE

Engineering robust software at the intersection of Industrial Automation and Decentralized Protocols. Focused on creating systems where reliability and data integrity are non-negotiable.

Leveraging 3+ years of full-stack experience to build applications that translate complex industrial requirements into elegant, scalable technical solutions.

Blockchain & Web3

Solidity, EVM, Smart Contracts, Foundry, DeFi, NFT, Gas Optimization, IPFS

Backend (BE)

Go, PHP, JavaScript, Kotlin, PostgreSQL, MySQL, MSSQL, CodeIgniter

Frontend (FE) & Mobile

JavaScript, Next.js, Vue.js, Kotlin, JQuery, Web Applications

Systems & IoT

C, C++, Arduino C++, ESP32, ESP8266, Programmable Logic Controller, Git, Linux, Postman

3+

Years Industry Exp.

Web3

Active Expansion

Web3 & Blockchain

Secure smart contracts, gas optimization, and EVM-compatible protocols.

Backend Architecture

Scalable schemas, system integration, and high-performance APIs for B2B.

Frontend & Mobile

Modern web applications and mobile interfaces with Vue, Next.js, and Kotlin.

Industrial & IoT

Production automation and hardware-to-cloud integration using PLC and ESP32.

Projects

SELECTED
PROJECTS

A documented history of production-grade software across Industrial IoT and Web3 ecosystems.

Trace Bean
Web3SoliditySmart ContractNextJsPonderPostgreSQLIPFS

Trace Bean

For: Lisk Builder Challenge: Round 3

Decentralize Supply Chain Coffee Bean Management.

Enterprise Protected
E-Kanban Warehouse System
KotlinXamarinMSSQL

E-Kanban Warehouse System

For: PT. Denso Manufacturing Indonesia

Migrate Existing Kanban System from EOL Xamarin to Kotlin.

Enterprise Protected
PBA Lend
Web3SoliditySmart ContractNextJsPonderPostgreSQL

PBA Lend

For: Pelita Bangsa Academy

Decentralize Lending And Borrowing Application Bootcamp

Enterprise Protected
Barcode Gas System
PHPCode IgniterJavascriptMsSQL

Barcode Gas System

For: PT. Iwatani Industrial Gas Indonesia

Create Production, Quality Control, and Maintenance Android Applications.

Enterprise Protected
Overall Equipment Effectiveness
GoJavascriptVue.jsMsSQLCentrifugo

Overall Equipment Effectiveness

For: Internal Project

Building a web application to track and improve Overall Effectiveness Equipment (OEE) for better operational efficiency.

Enterprise Protected
Wireless Button Control
C++ArduinoMQTT

Wireless Button Control

For: PT. Mitsubishi Krama Yudha Motors & Manufacturing

Developing a custom wireless button with ESP32, integrated into existing systems to enhance usability and improve operational workflow.

Enterprise Protected
PLC Data Monitoring & Reporting
GoJavascriptVue.jsMsSQL

PLC Data Monitoring & Reporting

For: PT. Bintang Toedjoe

Built a web system to read PLC data, calculate machine performance, store to database, and display real-time data with interactive reports.

Enterprise Protected
Process Performance
PHPCode IgniterJavascriptMsSQL

Process Performance

For: PT. Yasulor Indonesia (L'Oreal Indonesia Plant)

Enhanced Process Performance Indicator System.

Enterprise Protected
Waste Management System
GoJavascriptVue.jsMsSQL

Waste Management System

For: PT. Yasulor Indonesia (L'Oreal Indonesia Plant)

Developing Waste Management System.

Enterprise Protected
PLC Integrator
GoJavascriptVue.js

PLC Integrator

For: PT. Bintang Toedjoe

Integrate MicroNIR App and Siemens S7-300 PLC into one App.

Enterprise Protected
UHF RFID PPE Identification System
C++Arduino

UHF RFID PPE Identification System

For: Personal & College Project

Developed a final project using UHF RFID to track personal protective equipment.

Arduino-Based IC Tester
C++Arduino

Arduino-Based IC Tester

For: Personal & College Project

Developed a digital logic gate tester with Arduino to verify ICs for AND, OR, NAND, and NOR functionality.

Philosophy

IDENTITY. ALIGNMENT.
ASCENT.

AF Arrow Philosophy

Everything in One, Guided by Light

My initials (A and F) are formed by the falling star - a symbol of hope and aspiration, like wishes made under the night sky. All my skills and experiences move together with purpose, guided by light. The five smaller stars keep me connected, grateful, and intentional.

Always Reaching

The upward arrow reminds me that growth is a choice I make every day - my path points toward progress.

Stay Focused

The sharp point cuts through distractions. It's my commitment to clarity, to pursuing what truly matters.

Stronger from Stress

The two letters lean into each other, creating something stronger than either could be alone. When pressure comes, I don't stand isolated - I find strength in connection and unity.

Stay Grounded

The even sides create equilibrium. This shape reminds me that balance between career and life isn't a luxury - it's essential. When I'm balanced, stress dissolves, and I can see clearly again.

"Who I am. How I work. Where I'm going."

Contact

LET'S BUILD
SOMETHING NEW.

Always looking for challenges in Industrial IoT architecture or collaborating on Web3 protocols. Based in Indonesia, working worldwide.

Primary Contact

anharfahrudin21@gmail.com

Bogor, ID

Remote / Onsite

Current Focus

Industrial IoT & Solidity Architecture