Building web apps, automation systems, and AI-powered tools.
I turn ideas and messy workflows into clean, scalable software, from full-stack applications and internal tools to AI-assisted automation systems.
- Full-stack Development
- Automation
- AI Workflows
- Product Engineering
Turning ideas into impactful software.
I'm Umar, a software engineer who enjoys building practical systems that solve real workflow problems.
My work combines full-stack development, automation, infrastructure, and product thinking. I care about clean code, thoughtful design, and creating tools that genuinely help people work better.
- Based inSeoul, South Korea
- StudyMaster of Management, Industrial Management
- FocusFull-stack Development · Automation · AI Workflows
- Working StylePractical, organized, product-minded
- LanguagesIndonesian, English, Korean
Where I've shipped, led, and learned.
- Sep 2021 – Aug 2024
Software Development Engineer
The Software Practice Pte. Ltd- • Led frontend development for large-scale responsive web application in Agile SDLC environment
- • Implemented UI for 50+ screens based on wireframes, ensuring pixel-perfect design accuracy
- • Designed and implemented frontend architecture for SSR application using Alpine.js and Razor Pages
- • Contributed to backend development using .NET framework
- • Established and maintained unit testing infrastructure, achieving 75%+ test pass rate
- • Initiated automated UI regression testing, maintaining 80%+ passing rate
- • Thrived in remote cross-country work environment with distributed teams
- Jan 2020 – Jul 2020
Web Developer Intern
Digistlab- • Developed web-based application for new student admission at STAI Auliaurrasyidin Tembilahan
- • Built full-stack features using Laravel and Vue.js
- • Communicated with stakeholders to analyze system requirements
- • Delivered production application meeting client specifications
A practical, full-stack toolkit.
The tools I reach for to ship reliable web apps, automated workflows, and AI-assisted systems.
Frontend
- Vue.js
- Alpine.js
- React
- Responsive Design
- SSR
- Tailwind CSS
Backend
- .NET
- Node.js
- Laravel
- C#
- PHP
Automation & AI
- n8n
- OpenAI
- Workflow Automation
- API Integration
Database
- PostgreSQL
- MySQL
- Database Design
Infrastructure
- Docker
- Linux
- Cloud Computing
- AWS
- Alibaba Cloud
- GCP
Testing & QA
- Unit Testing
- Automated UI Regression
- Test-Driven Development
Selected things I've been building.
A mix of full-stack applications, AI-assisted workflows, and product experiments.
Proof of work, learning, and impact.
Sejong Global Idea Hackathon 2025
1st Place | Software Engineer
Designed and implemented core frontend features for a prototype that won 1st place among international teams. Translated business ideas into a functional prototype under limited time constraints. Evaluated among global participants by industry and academic experts.
Alibaba Cloud Computing Certification
Cloud Architecture & Services
Demonstrated foundational knowledge of cloud computing concepts, Alibaba Cloud services, and cloud architecture. Covered core areas including compute, storage, networking, security, and cloud deployment models.
AWS Cloud & Back-End Developer Certification
Cloud Practitioner + Architecting on AWS
Cloud Practitioner Essentials and Architecting on AWS. Applied cloud fundamentals to support scalable and reliable application development.
Back-End Developer Certification
Dicoding x IDCamp Indosat Ooredo
Mastered SOLID programming principles, Git basics, JavaScript fundamentals, and back-end application development. Strong foundation in backend architecture and best practices.
#JuaraGCP Crash Course
Google Cloud Platform & Qwiklabs
Set up and configure cloud environments in Google Cloud. Created and managed cloud resources, Docker containerization, and cloud monitoring.
Let's build something useful.
I'm open to software engineering roles, freelance projects, automation systems, and product engineering opportunities.