Information Systems
I am a Fullstack Developer and Project Manager dedicated to bridging advanced technology with business strategy. With expertise in building end-to-end web and mobile applications, including the PUMK platform, its companion Android APK, and dedicated ESG websites, I combine technical development in Python, Golang, and React with end-to-end project leadership. I specialize in integrating AI-driven features and machine learning models into production, leveraging data-driven insights to manage and transform complex organizational needs into scalable, high-impact digital solutions.
About
Nothing is impossible, as long as we are willing to try and make the most of every opportunity.
Hi, I'm Hartono, S. Kom.
I am a Full Stack Engineer and IT Product Specialist with a Bachelor of Information Systems from Universitas Komputer Indonesia. I architect end-to-end web applications using Python, Golang, and React, with a specialized focus on integrating AI-driven features and machine learning models into production environments. My background in business development and product management allows me to bridge the gap between technical engineering and business strategy, delivering data-driven solutions that transform innovative ideas into scalable digital products.
Framework
Laravel
Golang
React
Next.js
Vue.js
Angular
Bootstrap
Django
Flask
CodeIgniter
Programming Languages
Python
PHP
Java
C++
HTML
CSS
JavaScript
Deployment Tools
Git
Postman
AWS
Cloudflare
Tools for Data Science & AI
MySQL
AWS
Pandas
NumPy
Seaborn
Matplotlib
Scikit-learn
OpenCV
PyTorch
TensorFlow
YOLO
Power BI
Tableau
Design & Prototyping
Illustrator
Canva
CapCut
Filmora
Draw.io
Balsamiq
Office & Productivity
Word
Excel
PowerPoint
Visio
Docs
Sheets
Slides
Portfolio
Some of My Project Works
ESG & TJSL Sustainability Management Platform — PT Pos Indonesia
Developed a web-based ESG and sustainability management platform for PT Pos Indonesia to centralize sustainability data collection, Greenhouse Gas (GHG) Emission Baseline reporting, Double Materiality Assessment, Stakeholder Priority Assessment, and executive ESG analytics. The platform supports Scope 1, Scope 2, and Scope 3 emission data management, emission factor configuration, evidence/document submission, stakeholder surveys, role-based access, and interactive dashboards to support sustainability and TJSL decision-making and reporting.
Smart-Ride Ledger: AI-Integrated Motorcycle Buy-Sell Management System for Market Price Valuation and Stock Trend Prediction
Smart-Ride Ledger is an AI-powered motorcycle buy-sell management system featuring inventory tracking, sales analytics, and market trend prediction. Built with Laravel, MySQL, and Bootstrap, it delivers a responsive full-stack solution for data-driven business insights.
Information System for Student Admissions, Child Development Assessment, and Early Detection of Growth and Development at TK XYZ
This system is an integrated information platform designed to manage student admissions, monitor child development, and support early detection of growth and developmental delays in early childhood education. It streamlines administrative processes—from registration and document management to payment tracking, while also enabling structured assessment of children’s cognitive, motoric, and social development.
RiskLens AI: Intelligent Credit Risk Prediction Platform
This system presents an intelligent predictive analytics platform designed to assess the risk of loan default based on historical financial and customer data. By leveraging machine learning techniques, the system analyzes key factors such as income level, credit history, loan amount, and repayment behavior to generate accurate risk classifications and support better financial decision-making.
RoomGenie: AI-Powered Smart Booking Assistant
The system is developed using Golang as the backend for high-performance API services, React for building an interactive and responsive user interface, and MySQL as the database for efficient data management. Additionally, Python-based Machine Learning and Deep Learning models are integrated to enhance chatbot intelligence, enabling contextual understanding, intent recognition, and smart booking recommendations.
WeatherMind AI: Multivariate Time Series Forecasting Platform
This system presents a multivariate time series forecasting platform designed to predict weather conditions based on historical and real-time environmental data. By leveraging multiple variables such as temperature, humidity, wind speed, and atmospheric pressure, the system generates accurate predictions to support data-driven decision-making and environmental analysis.
TempPredict AI: Time Series Temperature Forecasting System
This system presents a time series forecasting application designed to predict temperature trends based on historical data patterns. By analyzing temporal dependencies and sequential data, the system generates accurate temperature predictions to support environmental monitoring and data-driven decision-making.
Integrated Inventory & Point of Sale System (INVENKAS)
This system is an integrated platform designed to manage inventory and sales transactions in a unified and efficient way. It provides real-time monitoring of stock levels, transaction history, and sales performance, enabling businesses to streamline operations and improve decision-making.
Work Experience
Professional Roles & Industry Contributions
PT Pos Indonesia (Persero)
As a Fullstack Developer at PT Pos Indonesia, I am responsible for designing, developing, and maintaining web and mobile software solutions to support company operations and sustainability initiatives. In this role, I engineered the PUMK (Micro and Small Enterprise Funding Program) Web Application and developed its corresponding Android application (APK) to enhance system accessibility and user experience. Additionally, I developed a dedicated website for ESG (Environmental, Social, and Governance) needs, enabling transparent reporting and supporting PT Pos Indonesia’s commitment to corporate sustainability and governance standards.
Limtech Smart Solutions
As a Fullstack Developer, I architected and developed end-to-end web applications using Python, Golang, and React, leveraging AWS infrastructure and Cloudflare to ensure robust security, high availability, and scalable performance. I specialized in integrating AI-driven features and machine learning models into production environments to automate data processing and enhance intelligent system capabilities. Beyond leading the full software development lifecycle, I focused on optimizing edge performance and implementing advanced security measures to protect against modern cyber threats. My approach bridges the gap between sophisticated cloud architecture and intelligent, user-centric software solutions.
Creative Software Solution
As an IT Product Specialist, I bridge business needs with technology solutions by managing and developing digital products. I am involved in the end-to-end product lifecycle, from gathering user requirements and defining features to collaborating with developers to ensure successful implementation aligned with business goals. I also monitor product performance, identify improvement opportunities, and support data-driven decision-making.
PT OBA Bersama Abadi
As a Backend Developer Intern, I focused on developing and maintaining robust server-side logic using Python and Golang to ensure high-performance applications. I took an active role in building scalable RESTful APIs and optimizing database structures to improve overall system efficiency. Throughout the internship, I collaborated closely with cross-functional teams in an Agile environment to deliver seamless integration between backend services and user-facing elements. By writing clean and maintainable code, I contributed to the reliability of microservices while tackling complex technical challenges. This role significantly enhanced my technical proficiency in handling concurrent systems and modern backend frameworks.
PT Niaga Garam Cermelang
As a Software Engineer, I specialize in designing and developing high-performance web applications utilizing the Next.js framework. I focus on implementing advanced rendering strategies, including Server-Side Rendering (SSR) and Static Site Generation (SSG), to maximize speed and SEO efficiency. Beyond building modular UI components with React, I ensure secure API integration and maintain a scalable code architecture for long-term reliability. I actively apply industry best practices throughout the software development life cycle to deliver stable, high-quality, and user-centric digital products. By leveraging a systematic engineering approach, I successfully optimize application performance and provide a seamless experience across all platforms.
PT OBA Bersama Abadi
As a Web Developer, I specialized in building dynamic and responsive web applications by integrating Laravel for robust backend logic with React.js for interactive frontend interfaces. I focused on developing efficient RESTful APIs and creating high-performance components to ensure a seamless and engaging user experience. My role involved managing database systems and implementing clean, maintainable code to support long-term application scalability and stability. I collaborated closely within an Agile environment to deliver high-quality software solutions that meet both technical requirements and business goals. Through this approach, I successfully bridged the gap between server- side functionality and modern, user-centric design.
Education
Organizational
Leadership, Collaboration, & Community Impact
DKM Al-Husna Mosque
Designed and managed youth and sports programs, led PHBI and Ramadan event planning including team coordination and fundraising, increasing youth participation by 40%.
Al-Husna Mosque Youth Group
Established the first official mosque youth organization in the region, developed vision and mission, and launched initial programs, boosting youth participation by 50% within 6 months.
Student Council of SMA Negeri 7 Cirebon (OSIS)
Led the implementation of school regulations, initiated charity activities for orphans, and served on the Public Relations division to negotiate with sponsors.
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