Afrizal Ramy Diaman

Software Engineer

GitHub

As a Full-Stack Software Engineer with expertise across both frontend and backend, I build end-to-end systems that are not only robust, but also seamless and intuitive. With hands-on internship experience as a Data Scientist and AI Engineer, I turn raw data into intelligence and ship AI-powered products — from crafting responsive, interactive interfaces to designing scalable server-side architectures that drive real business impact.

Work Experience

Diskominfo SurabayaAugust 2025 - December 2025

Website Developer Intern

UI/UX Design & Prototyping: Designed wireframes and high-fidelity mockups for the Surabaya Regional Portal and PPID Website using Figma, including multi-level navigation (region–district–village), interactive map visualization, and a complete design system covering typography, color scheme, spacing, and reusable UI components.
Frontend Development with Next.js: Developed tourism information pages (Event, Hotel, Heritage, and Culinary) on the Surabaya.go.id website using Next.js with React.js and TypeScript, implementing dynamic components, responsive layouts with Material-UI, and interactive navigation features.
API Integration & Data Fetching: Integrated the frontend with backend REST APIs using React Query (useQuery hook) for asynchronous data fetching, complete with caching (staleTime: 10 minutes), retry mechanism, and loading/error state handling for dynamic content rendering.
ERP System Customization (Odoo): Customized the PPID module on the Odoo ERP platform by developing custom XML-based view layouts, QWeb templates for frontend pages, and Python logic to manage data structure and system functionality in accordance with the approved Figma design.
Statistical Data Visualization: Designed an interactive regional comparison feature concept for the Surabaya Regional Portal, enabling side-by-side analysis of key indicators such as population density, area size, and public facility availability across districts and villages.
Design System Implementation: Developed and documented a comprehensive design system as a visual and technical reference for Surabaya.go.id, ensuring consistency across components, interaction patterns, and multi-device responsiveness throughout the portal's various modules.

PT Mitra Talenta Grup (Celerates)Maret 2026 - June 2026

Data scientist & AI Engineer Intern

Data Collection & Preprocessing: Collected, cleaned, and transformed raw datasets into structured formats ready for analysis and model training, ensuring data quality and consistency as the foundation for accurate and reliable AI-driven solutions.
Predictive Modeling & Machine Learning: Built and trained machine learning models using Python and TensorFlow for forecasting and trend prediction tasks, enabling businesses to make smarter, data-driven decisions and stay ahead of market changes.
Generative AI Development: Developed generative AI pipelines and intelligent automation workflows using LangChain, designing systems capable of producing AI-generated content, insights, and responses tailored to specific business contexts and user needs.
Data Analysis & Insight Generation: Performed exploratory data analysis (EDA) and statistical modeling to uncover patterns, correlations, and actionable insights from complex datasets, transforming raw data into strategic intelligence for organizational decision-making.
Personalization & Recommendation Systems: Designed and implemented data-driven personalization models to enhance user experiences, leveraging behavioral data and machine learning algorithms to deliver relevant, context-aware recommendations at scale.
Process Optimization with AI: Applied AI and data science methodologies to identify inefficiencies and automate repetitive business processes, helping organizations optimize operations, reduce costs, and unlock new possibilities through intelligent, data-powered automation.

Studies

Surabaya State University | 2023 - presentinformatics engineering

Technical skills

LanguagesJavaScript | TypeScript | Python | Dart | PHP | XML | C++

DevOps & ToolsDocker | Git | XAMPP | Figma

Other skills

UI/UX DesignFigma | Wireframing | Prototyping