Building scalable real-time web applications
Specialized in React, Next.js, and WebSocket systems. Focused on performance, clean architecture, and delivering reliable user experiences.
Featured Projects
Selected work focused on real-time systems, scalable UI, and production-ready architecture.
Centamess — Omnichannel Customer Platform
Built a real-time omnichannel customer care platform centralizing messaging from Facebook, Telegram, Instagram, and LINE into a single inbox, with AI-powered chatbot and integrated order management.
Outlier AI — Prompt & JavaScript Engineering
Designed JavaScript prompts and evaluated model outputs to improve generative AI model quality through structured human feedback (RLHF) for Outlier AI.
WebATUS — Indra Avitech
Developed frontend modules for a large-scale flight schedule management and real-time status tracking system for an international aviation client.
Prowo — Task Management Application
Built a Kanban-style task management app for a German client, featuring drag-and-drop board interactions, real-time task updates, and in-app file preview supporting PDF, TXT, and image formats.
House of Barbaard — Mobile Booking App
Developed and maintained a React Native mobile booking app for a premium grooming service brand, focusing on UX stability, API integration, and fast feature delivery.
Technical Skills
Technologies and tools I use to build scalable and reliable web applications.
Frontend
Backend
Testing & Tools
Experience
My professional journey building scalable and real-time web applications.
Full-Stack Developer
MTT Software
01/2025 — Present
Built an omnichannel customer care platform centralizing real-time messaging across Facebook, Telegram, Instagram, and LINE. Integrated OpenAI API for a domain-specific chatbot, implemented bi-directional message routing with NestJS and WebSocket, and built a multi-tenant embeddable live chat widget.
Prompt & JavaScript Engineer
MTT Software x Outlier AI
08/2024 — 12/2024
Designed JavaScript prompts to evaluate model capabilities across edge cases, assessed model outputs against quality rubrics for accuracy and clarity, and provided ground truth corrections to improve AI model behavior through RLHF pipelines.
Frontend Developer
MTT Software x Mission Digitalisierung GmbH
04/2024 — 08/2024
Built a Kanban-style task board with drag-and-drop support for card and column reordering, integrated RESTful APIs for real-time task updates, implemented in-app file preview for PDF, TXT, and images, and wrote unit tests with Jest.
Frontend Developer
MTT Software x Mission Digitalisierung GmbH
01/2023 — 03/2024
Developed frontend modules for a large-scale flight schedule management and real-time status tracking system for an international aviation client. Migrated the entire app from Ant Design v4 to v5 CSS-in-JS Design Token architecture, and maintained Jest unit and Cypress E2E test suites.
Frontend Developer
MTT Software x Connecta
06/2022 — 12/2022
Developed and maintained a React Native mobile booking app for a premium grooming service brand, integrated RESTful APIs with backend data synchronization, and delivered new features in a fast-paced outsourcing environment.
Let’s work together
I’m open to Frontend or Fullstack opportunities. Feel free to reach out if you’d like to collaborate or discuss a role.
thaobean1701@gmail.com
Phone
+84 868 128 559
GitHub
github.com/ThaoBean
linkedin.com/in/thaodo1701