Kelpin Hartanto Backend Engineer & Mobile Enthusiast

Building reliable backend systems and intuitive mobile applications. Focused on performance, scalability, and automation.

About Me

A bit about my journey in the world of technology.

Hey! I'm a software engineer who loves building things that are fast, reliable, and efficient. Most of my time goes into backend development especially with Golang because it's clean, powerful, and perfect for high-performance systems. I also use PHP (Laravel) when I need something flexible and quick to develop, especially for dashboards, admin panels, or full-stack web apps. For the UI side, I enjoy working with Flutter mainly because it lets me ship beautiful, consistent apps for iOS and Android without dealing with two separate codebases. Honestly, nothing beats the satisfaction of seeing a solid backend running smoothly behind a responsive, well-crafted product. In short: I love building systems that feel smooth for users and satisfying for developers.

4+

Years of Experience

9+

Projects Shipped

3

Industries

Work Experience

My professional journey and career milestones.

PT Erajaya Swasembada Logo

PT Erajaya Swasembada

2022 - Present

Backend Engineer

PT Erajaya Swasembada is one of Indonesia’s largest distributors and retailers of mobile devices and digital lifestyle products, operating across multiple brands and large-scale systems.

PT Collega Inti Pratama Logo

PT Collega Inti Pratama

2021 - 2022

Fullstack Developer

PT Collega Inti Pratama is a national IT company focused on developing banking technology solutions, serving as a core banking system provider for regional banks across Indonesia under the Telkom Group.

Ditama Digital (Internship) Logo

Ditama Digital (Internship)

2018 - 2020

Fullstack Developer

PT Ditama Digital Teknologi is a software house and multimedia company based in Bekasi, delivering custom software solutions, enterprise systems, and multimedia content for government institutions and private enterprises.

Tech Stack

Tools and technologies I use on a daily basis.

Go (Gin) Go (Gin)
Go (Fast Http) Go (Fast Http)
PHP (Laravel) PHP (Laravel)
PHP (Codeigniter) PHP (Codeigniter)
Flutter Flutter
Dart Dart
MySQL MySQL
PostgreSQL PostgreSQL
Redis Redis
Elasticsearch Elasticsearch
SingleStore SingleStore
Couchbase Couchbase
GCP GCP
Firebase Firebase
Docker Docker
Kubernetes Kubernetes
N8N Automation N8N Automation
Kubernetes CI/CD Terraform Prometheus Grafana Git Linux Nginx Kubernetes CI/CD Terraform Prometheus Grafana Git Linux Nginx

Featured Projects

Some projects I've worked on.

Connect With Me

Find me on various digital platforms

Get In Touch

Interested in working together? Let's discuss your project!

Send Email

Tech Stack