Lwin Oo Naing
I build reliable web applications with React, TypeScript, Node.js, C#, and .NET.
Full-stack engineer focused on building clean, scalable, and maintainable products across frontend, backend, APIs, databases, and modern web platforms.
Based in Thailand / Open to software engineering roles in Thailand, Southeast Asia, and remote/global teams
Full-stack engineer
Product-focused web applications
Frontend
React + TypeScript
Backend
Node.js + C#/.NET
APIs + Data
REST APIs + Databases
Platform
Cloud-ready delivery
Role
Full-stack engineer
Focus
Product engineering
Market
Thailand + remote
About
Engineer who turns product ambiguity into usable systems.
I'm a full-stack software engineer with experience building production web applications, APIs, dashboards, and business systems. My background includes frontend development with React and TypeScript, backend development with Node.js and C#/.NET, database work, API integrations, and performance-focused product development.
I enjoy turning unclear business problems into simple, usable software. Recently, I've been working independently on product-style projects involving AI safety, local-first desktop apps, browser extensions, and full-stack web systems.
Skills
Practical tools for building modern web products.
A compact stack across interface development, backend services, data, deployment, testing, and product-focused AI systems.
Featured Projects
Practical product work across AI, SaaS, and business systems.
A focused mix of independent product builds and professional systems work, selected to show full-stack execution, API design, operational thinking, and modern product development.
AI Safety / Developer Tool
Key features
- Checks agent actions before execution
- Detects risky tool calls, sensitive data, and rule violations
- Blocks, redacts, allows, or queues actions for review
Local-First AI Desktop App
Key features
- One-click saving from browser extensions
- AI summaries and semantic search
- Local-first privacy approach
Messenger Bot / Admin Panel / Unified Booking Platform
Key features
- Built Messenger booking bots for 3 cinema brands
- Unified separate booking flows into one shared ticket management platform
- Developed admin panels for bookings, ticket flows, customer activity, and operational data
Facebook Page Management System
Key features
- Integrated Facebook APIs with backend systems
- Engineered workflows handling 100K+ daily messages
- Supported customer service operations across multiple Facebook pages
Experience
Production experience across full-stack products and business systems.
A practical timeline of roles, delivery ownership, and measurable engineering impact across freelance, startup, and product teams.
- Built and maintained full-stack web applications using React, TypeScript, Node.js, C#, .NET, and SQL/NoSQL databases.
- Developed RESTful APIs, responsive frontend interfaces, reusable components, and product-focused features for independent and freelance projects.
- Worked on AI Agent Guard, Memory Layer, and other product-style projects involving AI workflows, local-first apps, browser extensions, and full-stack web development.
- Improved project quality through refactoring, testing, documentation, and performance-focused implementation.
- Led features from conception through execution, taking accountability across planning, implementation, and delivery.
- Collaborated with stakeholders and designers to refine user stories and requirements in an Agile environment.
- Increased test coverage from 60% to 90% to improve code quality and maintainability.
- Built and integrated APIs for a cinema ticket booking system, helping increase monthly users from 100K+ to 250K+.
- Engineered a high-volume Facebook Page Management System handling 100K+ daily messages.
- Implemented error handling mechanisms in a real estate authentication system, reducing error rates by 40%.
- Contributed to a React-based Seafarer Exam system, improving rendering performance by 50%.
- Implemented song APIs and full-text search features for national song content using Node.js.
- Improved search speed and accuracy by 60%, enhancing user experience and data retrieval performance.
Let's build something useful.
I'm currently open to full-stack, frontend, backend, and software engineering roles in Thailand, Southeast Asia, and remote/global teams. If you're hiring for React, TypeScript, Node.js, C#, .NET, APIs, databases, or product-focused engineering work, I'd be happy to connect.
Open to
Full-stack, frontend, backend, software engineer roles
Location
Thailand / Remote
Preferred stack
React, TypeScript, Node.js, C#, .NET
Status
Available for interviews