About Hongbae
I'm a freelance web developer based in Berlin with hands-on experience building automation systems and backend tools for websites. I’ve completed multiple projects involving payment-based updates, email automation, API integrations, and server deployment.
I’m confident I can contribute to your team, especially with tasks like migrating payment systems, integrating APIs, and building business dashboards. My background includes working independently, managing servers (Docker, Nginx), and setting up backend solutions that streamline operations and enhance user experience.
I’d be excited to bring my skills to your team and help deliver efficient, scalable solutions.
English
Fluent
Korean
Native or bilingual
Chinese
Conversational
Can work on-site
Berlin (up to 50km)
Experience
- Invoicingufull-stack developerDIGITAL AND ITSeptember 2025 - Today (9 months)Berlin, GermanyI founded InvoicingU, a startup making invoicing simple for freelancers and small businesses in Germany.I design, build, and manage the entire platform — from front-end (React/TypeScript) to back-end (Node/Express, PostgreSQL, Docker, Nginx).My role spans:🚀 Product development – coding new features, maintaining a full Dockerized stack, ensuring German tax/VAT compliance.🛠 Problem solving – fixing errors, implementing customer requests, and improving performance.👥 Customer engagement – meeting freelancers, gathering feedback, and turning it into updates that make invoicing easier.📈 Startup building – managing everything from infrastructure to design, while shaping the vision of InvoicingU.I’m passionate about building tools that remove complexity and give freelancers more time to focus on their work.
- Hongpagefull-stack developerDIGITAL AND ITNovember 2024 - March 2025 (4 months)Berlin, GermanyReact, Vite, TypeScript, PostgreSQL, pg_cron, Docker, NginxBuilt a full-stack web platform that connectsguests and hosts to offer and searchaccommodations. https://hongpage.com1. Developed user login/authentication anddynamic listing system.2. Integrated real review system whereusers can leave uneditable reviews afterconfirmed stays.3. Designed and implemented a pointssystem for posting listings andpurchasing premium features.4. Deployed using Docker and Nginx on aproduction server with PostgreSQL asthe backend database.
Recommendations
Be the first to recommend Hongbae
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- 42 Berlin Coding School2025
- Double Major in Mechanical Engineering and Business Administration.Korea Mokpo University2017Double Major in Mechanical Engineering and Business Administration.