Khilmy Firdaus Romadon

I'm Backend Developer

About

I love tinkering with backend code and Linux servers. To me, technology is not just a tool but an art form — a way to build systems that are fast, lightweight, and rock-solid reliable.

Khilmy Firdaus R

Backend Developer & IoT System Engineer

I'm passionate about backend systems and Linux environments. I enjoy exploring how embedded devices and servers can work together through Flask, Node.js, and lightweight Linux distributions like Armbian.

  • Age: 22
  • Degree: Bachelor of Informatics Engineering
  • Email: khilmyfr17@gmail.com
  • Freelance: Available

I believe open-source technology unlocks limitless learning. I constantly experiment within Linux environments, deploy local services using Docker & Portainer, and build personal projects centered around performance and system efficiency.

Projects Completed Backend & IoT Systems

Hours of Development Learning & Building

Servers Deployed Web, DNS, & Mail Servers

IoT Devices Built Esp, Arduino & Armbian

Skills

I focus on backend development and server management, especially using Node.js and Linux-based systems. I enjoy building IoT projects with Arduino and ESP32, and I’m currently learning Flask and Docker to expand my stack.

Node.js (Express, Sequelize) 85%
PHP (Native & Laravel Basics) 75%
Flask (Python) 60%
Linux Server & Networking 90%
IoT (Arduino, ESP32, MQTT) 80%
Docker (Learning Stage) 40%

Resume

Here’s an overview of my educational background and professional experience in IT, networking, and backend development.

Summary

Khilmy Firdaus R

I'm passionate about backend systems and Linux environments. I enjoy exploring how embedded devices and servers can work together through Flask, Node.js, and lightweight Linux distributions like Armbian.

  • Brebes, Central Java
  • +62 888-41-888-44
  • khilmyfr17@gmail.com

Education

Computer and Network Engineering

Academic Year 2021/2022

SMK Larenda Bulakamba

Focused on computer hardware, basic networking, and IT system administration.

Informatics Engineering

Ongoing (Semester 3)

Harkat Negeri University

Currently pursuing a bachelor's degree with concentration in software engineering and backend development.

Professional Experience

Freelance Developer & Technician

2023 – Present

Self-Employed

  • Developed small to medium-scale web applications using Node.js and EJS
  • Built IoT systems integrating Arduino and ESP32 for automation and monitoring.
  • Provided computer, laptop, and smartphone repair services.
  • Configured Linux servers for web hosting, DNS, and mail services.
  • Collaborated on open-source and community-based projects.

Admin of Training Center – Freelancer

January 2023 – October 2023

LPK Mahaputra

  • Maintained positive relationships with members and trainees.
  • Handled both physical and digital data administration.
  • Created monthly reports using Microsoft Word and Excel.
  • Prepared job application letters and CVs for trainees.
  • Designed PowerPoint slideshows for presentations.

Computer Lab Administrator – Internship

July 2022 – December 2022

SMK Larenda Bulakamba

  • Organized and rearranged computer layouts every semester.
  • Troubleshot network and system issues efficiently.
  • Maintained and repaired software and hardware problems.
  • Ensured cleanliness and security of the computer lab environment.

Portfolio

Here are some of my public and collaborative projects, showcasing my work and experiments on GitHub.

  • All
  • EJS
  • PHP
  • JavaScript
  • C++

sia-stmik

No description provided

● EJS
⭐ 1 stars

tokobukusederhana-php

No description provided

● PHP
⭐ 1 stars

remote-drone

No description provided

● JavaScript
⭐ 1 stars

esm-exspress-template

No description provided

● JavaScript
⭐ 1 stars

remote-proyektor

No description provided

● C++
⭐ 1 stars

ArduinoRemotRFFingerPrintVibrationSensor

Script Arduino

● C++
⭐ 1 stars

Esp12GpsTrackerTeleBlynk

Esp12GpsTrackerTeleBlynk

● C++
⭐ 1 stars

ESP32BlynkConnection

Standart Program For Blynk

● C++
⭐ 1 stars

Esp32SwitchKipas

No description provided

● C++
⭐ 2 stars

sensor-ultrasonik

No description provided

● C++
⭐ 1 stars

sensor-PIR

No description provided

● C++
⭐ 1 stars

esp-32s-cam

No description provided

● C++
⭐ 1 stars

Services

These are the fields I work with regularly — some I’ve mastered, and others I continue to explore and refine through practice and documentation.

Linux Server Management

Installation, configuration, and optimization of Linux-based servers for web, mail, and internal services.

Backend Development

API and backend system development using Python (Flask, FastAPI) and Node.js (Express).

Database & API Design

Designing efficient, secure, and structured relational databases and RESTful APIs.

IoT System Integration

Developing control and monitoring systems using Arduino, ESP, and Armbian-based controllers.

Docker & Containerization

Deploying applications using Docker & Portainer for better efficiency and system isolation.

Network & Security Configuration

Configuring server networks and firewalls, applying best security practices and hardening methods.

Testimonials

Here are some testimonials from collaborators and users who have shared positive experiences while working with me on backend, server, and IoT projects.

Thank you for your cooperation in supporting the success of this thesis 🙏🙏.

Shaendi Agam Fransisco

Shaendi Agam Fransisco

Friend

One of the best things about getting to know my friend is the enthusiasm and expertise he brings to IT—it never fails to amaze me. He’s always ready to rescue me from my own ignorance, to be my teacher in tough moments, patiently explaining every detail and demonstrating a profound grasp of his field. He’s an inspiring person and a delight to collaborate with. Smart, patient, fun—those three words sum him up perfectly.

Tika Isnaeni

Tika Isnaeni

Coworkers

Students who are very enthusiastic about the development of modern technology.

Fatih Muzaqi

Fatih Muzaqi

Coworkers

I would like to thank Khilmy for everything, basically he is a very smart person, I want to know what he can make, and he is also a kind and humble person, can also exchange ideas, I got a lot of new knowledge from Khilmy, and also I hope we can continue to work together in the future, JOSS!! GREAT!!

Naufal Fawwaz

Naufal Fawwaz

Freelance Client

Contact

Let’s connect! I’m open to collaborations, freelance projects, or discussions about backend, servers, and Linux systems.

Address

Grinting, Bulakamba, Brebes, Central Java, Indonesia

Call Me

+62 888-41-888-44

Email

khilmyfr17@gmail.com