Handoko
Senior Software Engineer

📍 Medan, Indonesia | 📧 [email protected]

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01 / PROFESSIONAL SUMMARY

Senior Full-Stack Software Engineer with 8+ years of experience building modern, user-centric web applications with a strong focus on frontend development using React.js, Next.js, JavaScript, and Material-UI.

Highly skilled in translating complex business workflows into intuitive, efficient, and scalable user interfaces. Backed by solid backend expertise in Java and Spring Framework, enabling seamless frontend-backend integration and robust system architecture. Experienced in enterprise systems, remote collaboration, and end-to-end product delivery. Passionate about building intuitive tools that empower users through transparency and data accessibility.

02 / CORE COMPETENCIES

Frontend Development

React.js Next.js JavaScript (ES6+) TypeScript Material-UI Tailwind CSS Responsive Design Redux/Zustand Flutter HTML5 & CSS3

Backend & Database

Java Spring Boot REST & SOAP APIs Oracle Database PostgreSQL MySQL SQL Server Git Microservices

Specialized & Soft Skills

IoT Integration RFID Systems Weighbridge Automation Barcode Scanning Problem Solving Project Management Remote Collaboration Client Communication

03 / KEY PROJECTS

(Click on a project to view gallery)

Container Service Portal

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Container Service Portal (DDCS)

React.js • Next.js • Oracle DB

Developed modern job receiving and delivery request portal using React.js and Next.js, improving user experience and system performance.

Supply Chain Marketplace

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Supply Chain Marketplace – Envilog

Java • PostgreSQL • Web Services

Designed and implemented a comprehensive web-based platform for container terminals, depots, and customs integration.

TMMIN Integration

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Toyota Motor (TMMIN) Integration

Java • Oracle Database

Created truck booking and order sharing system for logistics operations, streamlining coordination between manufacturing and logistics partners.

Ops Mobile App

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Operational Mobile Application (MAL)

Flutter • REST API

Developed a Flutter-based mobile application for container tally activities including stacking, loading, and discharging operations.

Automated Weighbridge

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Automated Weighbridge System

Java • IoT • RFID

Integrated system for weighbridge automation, RFID reader, traffic light control, and scale integration to streamline logistics operations.

04 / PROFESSIONAL EXPERIENCE

March 2017 – Present

Senior Software Engineer

Primus Indonesia (8+ Years)

Designed and developed modern frontend interfaces using React.js and Next.js for enterprise logistics and manufacturing systems.
Transformed complex, form-heavy workflows into clean, user-friendly web interfaces, significantly reducing user errors and processing time.
Integrated frontend applications with REST and SOAP APIs to ensure seamless data flow between systems.
Collaborated closely with backend engineers and business stakeholders to translate requirements into functional UI solutions.
Improved frontend performance and usability through component optimization and structured UI architecture.
Supported and maintained multiple production web applications used by 20+ corporate clients.