Software Developer based in Jakarta

Web,backend,andmobiledeveloperforpracticalbusinesssystems.

I build web applications, ERP/WMS systems, CMS/CRM platforms, e-commerce integrations, and Android apps with Laravel, MySQL, JavaScript, Node.js, Kotlin, and Flutter.

Developer snapshot

Laravel, API integration, system reliability, and Android development.

Live
0+years of software development
0%API and query performance gains
0published personal projects

About

Software developer from Jakarta, Indonesia.

Profile

Jakarta, Indonesia · 085158901898

I am Reynold Andika Gradiyanto, a software developer with 3+ years of experience in web and mobile development. I specialize in PHP Laravel, MySQL, REST API development, and modern JavaScript workflows.

My professional work includes ERP, WMS, CMS, CRM, e-commerce platforms, marketplace integrations, payment gateway integrations, WhatsApp API workflows, performance optimization, Docker containerization, and Android applications.

Skills

Technologies I use to build reliable systems.

Core Stack

Proficiency

PHP
Laravel
MySQL
REST APIs
JavaScript ES6+

Backend & Tools

Proficiency

Node.js
Express.js
AdonisJS
Docker
Linux
Proxmox

Mobile & Other

Proficiency

Kotlin
Flutter
Dart
TypeScript
Golang
Git

Experience

Work experience and education.

Dec 2023 - Present

Web Developer

PT. Aldmic COOPN Digital

Developed and maintained web applications with PHP (Laravel), MySQL, JavaScript, jQuery, and Bootstrap. Built landing pages and company profile websites improving UX and performance. Integrated Payment Gateway and WhatsApp (Qontak) APIs into an internal global e-commerce platform. Assisted in microservices-based chatbot development. Developed CRM and CMS features including customizations and bug fixes. Optimized MySQL queries (indexing) and refactored APIs, improving response time by 20–30%. Created technical documentation. Implemented Docker-based containerization and supported IT infrastructure (server, network, Proxmox).

Nov 2022 - Nov 2023

Full-Stack Developer

PT. Sempoa Prima Teknologi

Designed and developed ERP and WMS systems using Laravel, MySQL, JavaScript, jQuery, and Bootstrap. Built a client ERP system with AdonisJS, TypeScript, and Bootstrap, plus an SMS system using Laravel.

Aug 2022 - Nov 2023

Backend Developer

Marketport.io

Built CMS and WMS platforms with Node.js, Express.js, and MySQL, including REST APIs and third-party marketplace integrations for Lazada, Tokopedia, and Shopee.

Oct 2021 - Aug 2022

QA Tester & Backend Developer Intern

Marketport.io

Started as a backend developer intern building CMS features with Laravel and MySQL, then wrote E2E, unit, and API tests using Cypress and Postman while collaborating with Trello and JIRA.

2017 - 2022

Bachelor’s Degree in Informatics

Universitas Kristen Krida Wacana (UKRIDA)

Faculty of Engineering and Computer Science. GPA: 3.30 / 4.00, with coursework in data structures, database systems, software engineering, and web programming.

Projects

Selected professional work and personal projects.

Professional Work

A set of enterprise backend systems that I worked on as part of my professional experience.

Backend
APIs
Infrastructure
Web Platforms

College Final Assignment

Web-based college final project for early hemorroid detection using forward chaining and certainty factor methods.

Laravel
JavaScript
MySQL
Bootstrap

Flutter - Task Management App

A task management Android app built with Flutter, Dart, and GetX.

Flutter
Dart
GetX
Android

Flutter - Age Calculator App

A Flutter Android app for calculating age from a selected date of birth.

Flutter
Dart
Android

Android - To do App

Native Android to-do app for task tracking and reminders.

Android
Java/Kotlin
Mobile

Android - World Explorer App

Native Android app for browsing country and world data.

Android
Java/Kotlin
Mobile

Android - Weather App

Native Android app for simple weather lookup and display.

Android
Java/Kotlin
Mobile

Contact

Get in touch for web or mobile development.

I am available for web application development, backend API work, Laravel systems, CMS/CRM customization, Android applications, and technical support for existing products.