It's me, Lam Doan
I'm
a 
Creative a 
Motivated an 
Innovative a 
Passionate a 
Problem Solver a 
Team Player a Creative a Motivated an Innovative a Passionate a Problem Solver a Team Player
Senior Full-stack Engineer with 4+ years of experience building and operating production-grade web applications for e-commerce, AI- assisted platforms, and enterprise systems.
Specialized in frontend-focused full-stack development using React, Vue, TypeScript, and Node.js, with strong ownership in API design, third- party integrations, and scalable backend workflows. Experienced collaborating with international teams across US, Israeli, and Japanese markets.
✨ What I bring
About me
Quick Learner
I adapt quickly to new technologies and continuously expand my skill set.
Problem Solver
I analyze challenges effectively and deliver practical, well-structured solutions.
On-Time Delivery
I consistently deliver high-quality projects on schedule and within scope.
Effective Communication
I communicate clearly and collaborate efficiently with clients and team members.
💻 My skills
What I Can Do
Frontend
JS 
Vue.js 
React.js 
Nuxt.js 
Angular 
Astro Backend
Node.js 
Express 
Spring Boot 
Laravel 
Strapi Database
MySQL 
PostgreSQL 
MongoDB 
Redis DevOps
Docker 
AWS 
Hostinger 
CI/CD Others
Git 
GitHub 
Bitbucket 
Figma 0
Years of Experience
0
Projects Completed
0
Clients Served
0
Markets Served
💼 My career journey so far
Professional Work Experience
MERCATUS
Stor.ai
Enterprise E-commerce Platform
Stor.ai
Enterprise E-commerce Platform
🗓️ 04/2025 – Present
Responsibilities:
- Developed and maintained business-critical workflows, including order-related processes, delivery integrations, and operational CMS features for a large-scale e-commerce platform
- Owned the implementation of a unified Google authentication flow (OIDC + People API) across web and Cordova-based Android/iOS applications.
- Implemented webhook-based integrations with third-party delivery providers to handle driver assignment and delivery events.
- Rebuilt and standardized transactional email workflows (order, payment, refund), ensuring consistent behavior across multiple clients.
- Maintained CMS modules, fixed production issues, and ensured system stability in a high-traffic environment.
Genki Tech Solutions
Yuzu
Product sales management for a Jpop band
Yuzu
Product sales management for a Jpop band
🗓️ 01/2025 – 03/2025
Responsibilities:
- Set up the system and documented technical specifications.
- Assisted in debugging and resolving issues left by the previous development team.
Genki Tech Solutions
PTA
Parent-Teacher Association
PTA
Parent-Teacher Association
🗓️ 06/2024 – 01/2025
Responsibilities:
- Contributed to the development of a nationwide management system for parents, teachers, students, and school staff.
- Built and maintained CMS features for managing announcements, documents, and media content used across schools.
- Designed and implemented role-based access control and bulk account provisioning via CSV for parents and guardians.
- Developed family relationship management features to handle parent–child and guardian associations.
- Integrated notification workflows, including email subscriptions and daily Slack alerts for system activities.
- Contributed to system design and long-term operation, including maintenance and coverage testing.
Genki Tech Solutions
EMLINX
EMLINX
🗓️ 04/2024 – 06/2025
Responsibilities:
- Contributed to the development and debugging of ReactJS application with Material UI.
- Built a Line Chat integration feature.
- Improved user experience.
Genki Tech Solutions
AIdaBot
AI-powered Q&A & Document Intelligence Platform
AIdaBot
AI-powered Q&A & Document Intelligence Platform
🗓️ 12/2023 – 04/2024
Responsibilities:
- Contributed to the design and implementation of an AI-assisted document Q&A platform, focusing on system architecture and CMS.
- Developed and maintained CMS features for managing documents, configurations, and chatbot behavior.
- Designed system workflows to support document-based question answering using ChatGPT, LangChain, and AWS OpenSearch.
- Integrated the chatbot with Facebook Fanpage messaging to enable real-time user interactions and automated responses.
- Integrated the chatbot into external websites via embeddable scripts, including a proof of concept using a custom Liferay portlet.
- Implemented unit tests and contributed to system stability through iterative improvements and ongoing maintenance.
Genki Tech Solutions
PMS
Property Management System - Smart Hotel & Facial Recognition Platform
PMS
Property Management System - Smart Hotel & Facial Recognition Platform
🗓️ 12/2021 – 11/2023
Responsibilities:
- Developed and maintained a smart hotel management platform enabling contactless, unmanned operations for enterprise clients in Japan, covering reservations, check-in workflows, and on-site services.
- Played a key role in designing and implementing facial recognition–based check-in systems, including end-to-end UI and backend workflows for iPad devices environments.
- Integrated OCR and facial recognition into the check-in flow, significantly reducing manual input and on-site staff workload.
- Implemented and optimized AWS Rekognition, improving facial recognition accuracy by approximately 90% compared to the previous solution.
- Optimized backend APIs for reservation and check-in flows, reducing response time by around 20% in critical user journeys.
- Contributed to complex third-party integrations, including OTA platforms, payment kiosks, room cleaning systems, and real-world deployments such as a facial recognition–based ticketing system for the Sado Gold Mine tourist site.
CYBERDINO (Freelance)
Nhat Quang Edu Game
AI-assisted Career Orientation Platform
Nhat Quang Edu Game
AI-assisted Career Orientation Platform
🗓️ 06/2024 – 12/2024
Responsibilities:
- Contributed to the development and debugging of ReactJS application with Material UI.
- Built a Line Chat integration feature.
- Improved user experience.
Freelancer
HR-Lotus
Human Resource Management System (Healthcare)
HR-Lotus
Human Resource Management System (Healthcare)
🗓️ 06/2025 – 12/2025
Responsibilities:
- Contributed to the development and debugging of ReactJS application with Material UI.
- Built a Line Chat integration feature.
- Improved user experience.
I'd love to hear from you!
Whether you have a question or just want to say hi, I'll try my best to get back to you!
