Hello, I'm
Josua Golden Umboh
Software developer and tech enthusiast with experience in software development, deployment, and emerging technologies. I enjoy creating innovative solutions and working on projects across different platforms.
Experience
Work History
Software Engineer
Mar 2025 - Dec 2025Datasaur AI (YC W20)
Develop and maintain intelligent data labeling features within Datasaur's AI-powered platform. Fine-tune, deploy, and integrate pre-trained models using Hugging Face and Amazon SageMaker. Collaborate with AI engineers to design and optimize AI-driven features that enhance automation and annotation accuracy.
Operations Supervisor
Sept 2023 - Feb 2025Software Lab Center - BINUS University
Responsible for maintaining efficient operations within the work unit by coordinating various regional activities and managing up to 25 class or examination transactions for 875 students simultaneously to support academic success. Also responsible for managing promotions within the work unit and collaborating with multinational companies to enhance outreach and strengthen partnerships.
Software Engineer
Mar 2024 - Feb 2025BINUS University
Developed a comprehensive full-stack web application aimed at fulfilling the operational requirements of Bina Nusantara University, with a particular focus on the Computer Science department
Software Laboratory Assistant
Sept 2022 - Aug 2023Software Lab Center - BINUS University
Taught university students a diverse range of software-related courses across a total of 21 classes, with responsibility for creating practicum quizzes and exam cases.
Skills
Technologies & Tools
Portfolio
Selected Projects
Portfolio Website
A responsive and dynamic personal portfolio website using Next.js. Fully deployed on AWS EC2 with an Apache HTTP server. Implemented a CI/CD pipeline using Jenkins to automate build and deployment processes
Hirehub
Job portal web application to connect companies with students, streamlining job postings and career exploration. The app features a Go backend, TypeScript-React frontend, AWS RDS (PostgreSQL) for database management, and is deployed on AWS EC2
Oldegg
E-commerce web application clone of Newegg using React, Go, and PostgreSQL, implementing core features including product catalog management, user authentication, shopping cart functionality, simulated checkout process, and real-time chat system using WebSocket protocol.
Likey
Web3 social networking application on Internet Computer canister, with a Rust backend and TypeScript-React frontend. The project secured 3rd place at the Hackathon 3.0 event organized by Disruptive Indonesia
Garble
Speech Command Recognition program using TensorFlow and CNN architecture, converting audio waveforms to spectrograms for voice command classification
Grocktunnel
Maze game with procedurally generated layouts using Prim and Kruskal algorithms, dynamic vision, flashlight power-ups, user authentication with AVL trees, and score tracking using heap sort and file I/O
Glisjoie
Android mobile application built using Kotlin and Firebase that serves as a social platform for book reviews and discussions. Implemented core features including user-generated reviews, commenting system, and social following using MVVM architecture pattern
