Stephen Andreas
Full-stack Developer
Core Specialization
→ Next.js 16 & React
→ C# .NET 10 & Go
→ PostgreSQL & Databases
→ Swift 5.10 & SwiftUI
→ Docker & Analytics
Featured projects
A portfolio of web platforms, SaaS applications, native mobile apps, and business analytics systems.
Loyaltyapp Backend & Web
Customer Loyalty & Staff Rewards Platform
A comprehensive loyalty program platform featuring instant WhatsApp/PIN authentication, reward catalog & voucher redemption, cashier transaction input, and event scheduling.
Loyaltyapp iOS Native
iOS Native Member Rewards App
A modern native iOS mobile application built for social club members to monitor rewards points in real time, redeem vouchers, and receive instant promotional updates.
Rekapin POS & Restaurant
Restaurant Management & Point of Sale
A full-featured SaaS point-of-sale platform featuring QR code self-ordering for diners, real-time inventory management, automated profit reports, and secure multi-channel payments.
GibCommerce Fashion
E-commerce Storefront & Page Builder
A fashion e-commerce storefront with a flexible drag-and-drop homepage builder, nationwide courier shipping calculator, and AI-powered product recommendations.
Devtink Marketplace
Digital Products & Tech Services Marketplace
An online marketplace for buying pre-built web templates and software development services, featuring automated instant order webhooks and multi-channel payments.
OmniCom News Scraper
News Aggregator & Live TV Portal
A real-time news aggregator gathering top headlines from major media outlets, featuring live national TV streaming and AI-assisted topic summaries.
Logiflow WMS
Warehouse Inventory Management System
An intuitive warehouse inventory management application for recording inbound/outbound shipments, tracking storage rack locations, and exporting clear inventory reports.
Enterprise BI Simulator
Business Intelligence & Data Analytics
A data analytics project processing supply chain transaction datasets to deliver interactive Tableau Public visual dashboards and automated sales trend insights.
KYRE Furniture
Modern Furniture Store & Shipping Calculator
An elegant furniture e-commerce storefront with interactive product catalogs, curated design collections, and a real-time shipping cost estimator.
Baex Indonesia
International Logistics & Freight Portal
A global door-to-door freight shipping website equipped with an instant shipping rate estimator, package tracking system, and direct customer support integration.
Hans Law Office
Legal Practice & Services Directory
An official website for a legal practice showcasing legal services, attorney profiles, and a direct WhatsApp consultation interface.
Simple Badminton Academy
Badminton Academy & Training Portal
An online portal for a sports academy featuring student registration, hall of fame achievements, facility overviews, and coach profiles.
About me
Professional profile, academic background, and core capabilities.
Stephen Andreas
Full-stack Developer & Data Analyst
Bridging modern software engineering with practical business data insights.
Information Systems graduate from Esa Unggul University (GPA 3.57) with a valuable career journey transitioning from Data Analyst to Full-stack Web & Mobile Developer.
Leveraging a strong background in data cleaning, SQL database design, and automation, I build fast, scalable applications across web and mobile platforms using Next.js, .NET 10, Go, Swift, and PostgreSQL.
This dual perspective allows me to build not only clean and secure user interfaces, but also reliable backend data structures that power actionable business analytics and executive dashboards.
Stephen Andreas
Full-stack Developer & Data Analyst
3+
Years experience
12+
Projects delivered
3
Companies & orgs
3.57
Bachelor GPA
B.S. Information Systems
Esa Unggul University · GPA 3.57 · Class of 2023
Core competencies
Work experience
Professional history, technical contributions, and key achievements.
PT Lab Welcomplay
Sep 2024 — Jun 2026
Full-stack Software Developer
- Developed intuitive web applications using Next.js, React, and Tailwind CSS while building secure RESTful APIs.
- Engineered real-time data visualizations and financial analytics dashboards powered by PostgreSQL databases.
- Optimized database queries with Prisma ORM to improve page load speeds and overall application responsiveness.
- Built a native iOS loyalty app using Swift, SwiftUI, and Xcode to enhance customer engagement and reward tracking.
- Integrated real-time performance monitoring and crash analytics across mobile apps using the Sentry SDK.
- Reduced server response latency by refining database indexes and implementing effective caching strategies.
- Authored comprehensive API technical documentation to streamline onboarding and cross-team development.
Digital Mind System
Feb 2023 — Sep 2024
Full-stack Web Developer
- Developed secure backend systems for financial applications using C# .NET and ASP.NET Core.
- Created interactive internal management dashboards with Blazor and optimized secure file storage systems.
- Configured automated cloud deployment pipelines and performed load testing to maintain high uptime under heavy traffic.
- Wrote automated unit and integration tests to ensure reliable, bug-free execution of financial workflows.
- Integrated third-party payment gateways for automated digital transaction processing.
Esa Unggul University
2022 — 2023
Data Analyst (Tracer Study)
- Developed automated Python scripts to clean and organize large alumni survey datasets containing thousands of graduate records.
- Designed interactive Tableau Public dashboards and structured Excel reports to support university curriculum evaluations.
- Analyzed graduate employment trends and presented key findings to university leadership and accreditation boards.
Skills & technologies
Programming languages, web frameworks, databases, cloud tools, and analytics platforms.