HELLO, I'M
ERLANGGA DWI
JIWANTORO
Erlangga Jiwantoro
Software Engineer
ABOUT ME
Bridging structured logic and premium aesthetics.
I am Erlangga Dwi Jiwantoro, a Software Engineer & IT Developer currently working at Great Giant Foods (GGF). Specialized in building robust cross-platform mobile apps and full-stack backend solutions, my core expertise revolves around React Native, NestJS, Supabase, PostgreSQL, and TypeScript, with strong capabilities extending to Java, Python, PHP, SQL, Power BI, CodeIgniter, and beyond.
During my tenure at GGF, I have driven operational digitalization—most notably engineering "E-Satpam", a corporate security reporting mobile application. I actively design secure role-based APIs, model relational database structures, and develop high-performance industrial systems tailored to complex enterprise workflows.
ACADEMIC & CERT
Validated Modules
TOEFL
2024 - PresentThe Language Center University of Lampung
English Proficiency Test (EPT) with a total score of 470. Valid for graduation requirements.
Problem Solving
2025HackerRank
Passed the HackerRank skill certification test for problem solving.
Java Foundations
2021Oracle Academy
Award for satisfactory completion of all coursework in Java Foundations.
Origin Data
Fullstack Developer
May 2026 - PresentGreat Giant Foods
Contract extension as Fullstack Developer, designing, developing, and optimizing backend systems and responsive web applications.
Mobile Developer Intern (Kemnaker)
Nov 2025 - May 2026Great Giant Foods
Mobile application development internship under the Ministry of Manpower (Kemnaker) program, implementing optimized features and layouts.
Bachelor of Computer Science
2020 - 2025University of Lampung
Graduate from Computer Science department with a focus on data and AI, completing coursework and research with distinction.
ENGINEERED
RESOLUTIONS
E-Satpam Security System
Offline-first corporate guard patrol and incident reporting suite featuring background sync, location logging, and Prisma PostgreSQL audit controls.
RS Urip Sumoharjo HR System
Full Stack Hospital HR management and letters system featuring JWT auth, automated DB audit triggers, and statistical salary dashboards.
Honda Sales Analysis
Honda Product Sales Analysis and visualization at PT Tunas Dwipa Matra.
Retail Furniture 3D App
Interior design optimization using Markerless Augmented Reality.
Population Density West Java
Population density and distribution analysis by regency/city in West Java 2013-2022.
MCP West Java Values
Monitoring Center For Prevention (MCP) values of West Java Province 2018-2022.
BPSDM Archiving System
Digital letter archiving system for government agency human resources.
RFU Mobile App
Daily worship record and event tracking for ROIS activity.
CAPABILITIES
Professional technological solutions tailored for modern digital ecosystems.
Data Analytics
Analyzing and visualizing datasets using tools like KNIME, Power BI, and Google Colab to support data driven, decision making and improve system efficiency.
Web Development
Designing and building dynamic web based information systems using CodeIgniter, PHP, HTML, CSS, and MySQL for efficient data and transaction management.
Mobile App Development
Creating Android based mobile applications using Java, integrated with local and cloud databases to enhance accessibility and functionality.
Artificial Intelligence Solutions
Developing and implementing AI algorithms such as K-Means, Naive Bayes, and Artificial Neural Networks to build predictive and intelligent systems.
UI/UX Design
Designing user friendly and visually appealing interfaces with Figma, focusing on wireframing, prototyping, and usability principles.
Augmented Reality Development
Building AR based educational and organizational applications using Vuforia SDK, integrating interactive elements with real world environments.