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I'm Jonathan Chang, a full-stack developer from Jakarta with a strong backend (Golang, Ruby on Rails, Laravel, Express) and frontend (React, Next.js, Polymer) background. I enjoy building scalable services and shipping robust applications. I'm experienced with Docker, Kubernetes, CI/CD, and cloud infra; I've delivered projects in health care, finance, and logistics, and I'm currently exploring opportunities in the blockchain space to apply emerging technologies.…I'm Jonathan Chang, a full-stack developer from Jakarta with a strong backend (Golang, Ruby on Rails, Laravel, Express) and frontend (React, Next.js, Polymer) background. I enjoy building scalable services and shipping robust applications. I'm experienced with Docker, Kubernetes, CI/CD, and cloud infra; I've delivered projects in health care, finance, and logistics, and I'm currently exploring opportunities in the blockchain space to apply emerging technologies.

Jonathan Chang

Full Stack Developer, Back-End Developer, Front-End Developer, +1

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I'm Jonathan Chang, a full-stack developer from Jakarta with a strong backend (Golang, Ruby on Rails, Laravel, Express) and frontend (React, Next.js, Polymer) background. I enjoy building scalable services and shipping robust applications. I'm experienced with Docker, Kubernetes, CI/CD, and cloud infra; I've delivered projects in health care, finance, and logistics, and I'm currently exploring opportunities in the blockchain space to apply emerging technologies.…I'm Jonathan Chang, a full-stack developer from Jakarta with a strong backend (Golang, Ruby on Rails, Laravel, Express) and frontend (React, Next.js, Polymer) background. I enjoy building scalable services and shipping robust applications. I'm experienced with Docker, Kubernetes, CI/CD, and cloud infra; I've delivered projects in health care, finance, and logistics, and I'm currently exploring opportunities in the blockchain space to apply emerging technologies.

Available to hire

I’m Jonathan Chang, a full-stack developer from Jakarta with a strong backend (Golang, Ruby on Rails, Laravel, Express) and frontend (React, Next.js, Polymer) background. I enjoy building scalable services and shipping robust applications.

I’m experienced with Docker, Kubernetes, CI/CD, and cloud infra; I’ve delivered projects in health care, finance, and logistics, and I’m currently exploring opportunities in the blockchain space to apply emerging technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Intermediate

Intermediate

Language

Indonesian

Fluent

English

Advanced

Work Experience

Fullstack Developer at Graha Citra Pratama

April 1, 2022 - April 1, 2022

Led the HRIS/Payroll integration with fingerprint tech; exported data for BC A Payroll, generated PPH 21 CSV forms, and managed Off & Overtime plus Meal Allowance calculations. Added a feature to provide Key Performance Index for employees and enhanced performance evaluation/feedback. Assisted in Microsoft Dynamics NAV implementation and generated reports for the Accounting Department; configured NAV servers and web servers for the company (including email domain setup). Created a Credit Memo Approval Request system using PHP and Laravel integrated with the Accurate Online API to enable credit memo approvals and designed a custom sales commission report.

Fullstack Developer at ALODOKTER, PT ALODOKTER TEKNOLOGI SOLUSI

July 1, 2024 - July 1, 2024

Led a three-person full-stack team to build an online pharmacy platform; integrated Face.js for real-time front-end facial recognition; developed a partner pharmacy dashboard with real-time notifications, order tracking, status updates, and customer communications; implemented CI/CD workflows for backend/frontend; collaborated with architects and engineering leadership.

Fullstack Developer at Hyperscal, PT SOD TECHNOLOGY INDONESIA

August 1, 2024 - November 2, 2025

Developed an invoicing automation system to streamline billing cycles and reduce manual effort; managed data migration of millions of records from MySQL and Oracle with minimal downtime; contributed core modules to an inventory/warehouse partner system for picking, packing, shipping, and traceability to improve fulfillment efficiency.