Rehan Dwiandra | System Developer & Software Engineer

About

Background & Expertise

Information Systems graduate skilled in software development, web technologies, and database management. Experienced in building web-based systems and cloud infrastructure as a System Developer and Software Developer Intern.

Certified Cloud Computing Engineer recognized for analytical thinking, teamwork, adaptability, and proven leadership in student organization management. I approach every project with a focus on reliability, maintainability, and measurable business impact.

Bachelor of Information System

Telkom University

GPA: 3.86/4.00 Sep 2021 - Jan 2025

Graduated in 3.5 years

→ Awarded as one of the outstanding students
→ Chairman of the Information System Student Association for a full year
→ Practicum Assistant for 2.5 years

Experience

Professional Journey

Building enterprise systems across multiple industries.

Oct 2025 - Present Full-time

IT

PT. Arbas Mitra Energi

Jakarta, Indonesia

Designed and developed a truck hauling coal tracking system (Logistics/Fleet/GIS) to monitor operations and improve logistical efficiency
Built and maintained an ERP system supporting HR, Accounting, and Finance functions using Python Flask with SQLAlchemy ORM
Developed an employee attendance system with React + Vue frontend and Express.js + Prisma ORM backend
Provided technical support to employees, resolving IT issues remotely and onsite
Acted as the primary point of contact for general IT troubleshooting and support across departments

Node.js TypeScript Python Flask React Express.js Prisma Docker

Sep 2025 - Present Internship

People & Culture Intern

Kopi Kenangan

Jakarta, Indonesia

Managed and resolved HR application tickets submitted by employees across all Kopi Kenangan branches in Indonesia
Assisted in data validation and cleansing processes to maintain accurate employee information within the HR system
Supported the transition and implementation of a new HR application, including data migration and system testing
Designed and developed a backend system to manage employee databases with role-based access control and secure API distribution
Built a frontend dashboard to enable other divisions to efficiently access and review employee data
Implemented workflow automation using n8n and Zapier to streamline internal processes

APIs n8n Zapier RBAC Dashboard

Feb 2025 - Sep 2025 Contract

Web Developer

HUMAIRA Moslem Wear

Jakarta, Indonesia

Developed a web-based product catalog to enhance the customer browsing experience
Implemented a responsive and user-friendly interface accessible across devices
Designed and integrated key features such as product categorization, search, and filtering

HTML CSS JavaScript PHP Responsive Design

Aug 2024 - Jan 2025 Contract

System Developer

Anggun Busana

Jakarta, Indonesia

Developed and implemented a web-based system to support company rental and logistics operations
Designed and built core features including inventory tracking, rental process management, and payment integration
Optimized the database structure to improve data accuracy and streamline reporting
Collaborated closely with stakeholders to gather requirements and ensure system alignment with business needs
Contributed to the company's digital transformation by reducing manual processes

Laravel MySQL Payment Integration Inventory Management

Mar 2024 - Jul 2024 Internship

Software Developer Intern

Ministry of Foreign Affairs of the Republic of Indonesia

Jakarta, Indonesia

Contributed to the development of in-house applications by designing, optimizing, and maintaining database components
Enhanced system performance and reliability through database optimization
Created and maintained a comprehensive data dictionary to standardize database structures
Ensured consistency across multiple systems through documentation and standards

Database Design Data Dictionary System Optimization

Projects

Systems Built

Production systems designed for scale, reliability, and business impact.

Logistics / Fleet / GIS

Coal Truck Hauling Tracking System

Real-time fleet tracking system for monitoring truck hauling operations with GIS integration for route optimization and logistical efficiency.

Architecture

Node.js + TypeScript backend with Express.js REST API. ORM with migrations (Prisma/TypeORM/Knex) for database management. React + Vite frontend with real-time GIS tracking and fleet management dashboards.

Impact

→ Improved operational visibility for truck hauling activities
→ Enhanced logistical efficiency through real-time GIS monitoring
→ Streamlined fleet operations reporting for management

Enterprise Software

Enterprise ERP System

Comprehensive ERP system supporting HR, Accounting, and Finance functions for internal business process management.

Architecture

Python Flask backend with Jinja2 templating engine. SQLAlchemy ORM for database layer with migration support. Containerized deployment using Docker and docker-compose for production environments.

Impact

→ Streamlined internal business processes across departments
→ Unified HR, Accounting, and Finance operations in one platform
→ Reduced manual data entry and improved accuracy

HR Technology

Employee Attendance System

Flexible attendance management system supporting WFO, WFA, and WFH work arrangements with real-time tracking.

Architecture

React + Vue hybrid frontend for flexible UI components. Express.js REST API backend with Prisma ORM for type-safe database operations. Docker containerization for consistent deployment across environments.

Impact

→ Supported flexible work arrangements (WFO, WFA, WFH)
→ Automated attendance tracking and reporting
→ Simplified payroll integration through accurate time records

Full-Stack Development Nov 2023 - Nov 2024

SISA - Recipe Search Platform

A recipe search platform enabling users to find recipes based on available ingredients.

Architecture

Built with Laravel and MySQL backend. Managed deployment and infrastructure to ensure system stability and performance. Implemented search algorithms for ingredient-based recipe matching.

Impact

→ Enabled users to discover recipes based on available ingredients
→ Gained valuable experience in full-stack development
→ Practiced collaborative system design in team environment

Skills

Technical Stack

Core competencies spanning development, infrastructure, and soft skills.

Backend Development

Node.js / TypeScript
Express.js / Fastify
Python / Flask
PHP / Laravel
REST API Design

Frontend Development

React
Vue.js
Vite
HTML / CSS / JavaScript
Responsive Design

Database & ORM

MySQL
Prisma ORM
SQLAlchemy
TypeORM / Knex
Database Migrations

DevOps & Infrastructure

Docker
docker-compose
Linux
Git
Cloud Deployment

Automation & Integration

n8n
Zapier
API Integration
Workflow Automation
RBAC Systems

Soft Skills

Problem Solving
Teamwork
Analytical Thinking
Adaptability
Leadership

Credentials

Certifications & Leadership

Certifications

Cloud Computing Engineer

Lembaga Sertifikasi Profesi (LSP) Informatika

ID: 333/SKL/LSP-INF/XI/2024

Nov 2024

Leadership & Activities

Chairman

Information System Student Association

Telkom University

1 Year

Led the student association for a full year, organizing events and representing the department.

Volunteer

HOMSEA 2025

Universitas Gadjah Mada

Jul 2025

Supported logistics and IT operations for the International Conference on the History of Medicine in Southeast Asia.

Contact

Let's Connect

Open to discussing system development opportunities, technical collaborations, or consulting on enterprise solutions.

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