domanhcp@gmail.com +84 844 487 960 Halong, Vietnam https://github.com/codart1 https://linkedin.com/in/manh-dt
Summary
I'm a Fullstack TypeScript Developer with over 10 years of experience building high-performance web applications. I specialize in React, Node.js, and TypeScript with a focus on scalable, maintainable code. Through extensive remote work, I've developed strong self-discipline and accountability while maintaining excellent work-life balance and effective team communication.
Skills
ReactTypeScriptNext.jsTailwindCSSReduxHTML/CSSJavaScriptNode.jsExpressGraphQLMongoDBPostgreSQLREST APIGitDockerCI/CDAWSVercelNetlify
Experience
Lead Fullstack Developer & Technical Architect
Ringblaze
2019 - present (6+ years)
Garden Grove, California
remote- Led development of a cloud-based phone system that now serves over 10,000 companies with 99.9% uptime, processing millions of calls each month
- Designed and built scalable GraphQL APIs that handle 50M+ daily requests, achieving a 60% improvement in response times through strategic query optimization
- Created a custom call flow engine using the Twilio Conference API with intelligent routing algorithms, supporting 1000+ concurrent users
- Established a monorepo architecture with Turborepo and implemented comprehensive testing using Vitest and Playwright, maintaining 95% code coverage
- Built our cross-platform mobile app from scratch using React Native and Expo, bringing our platform to iOS and Android users
- Improved PostgreSQL performance by 70% through careful indexing and query optimization strategies
- Successfully migrated from Twilio to SignalWire, cutting operational costs by 50% while maintaining the same level of service quality
Senior Fullstack Developer
Various Projects & Consulting
2017 - 2019 (2 years)
Halong, Vietnam (Freelance)
remote- Worked on various web applications using React, Node.js, and modern JavaScript frameworks
- Built RESTful APIs and database solutions for different client projects across multiple industries
- Focused on responsive design and application performance optimization
- Collaborated closely with cross-functional teams using agile development methodologies
- Expanded my technical expertise by tackling diverse project requirements and learning new technologies as needed
Senior Frontend Developer & Product Architect
BraveBits
2016 - 2017 (16 months)
Hanoi, Vietnam
hybrid- Joined as one of the original 4 founding team members to build what became one of Shopify's most popular page builders, now serving 100,000+ merchants
- Conducted extensive market research and rapid prototyping, testing multiple concepts before we settled on our React-based MVP for Joomla CMS
- Designed the foundational design system with reusable primitives, enabling consistent composition of complex templates and blocks
- Built a modular component library with 50+ pre-built elements, making it possible for merchants to create professional pages in just minutes
- Created the scalable React architecture that became the backbone for the platform's growth into the #1 rated Shopify page builder app
- My technical foundation helped support $1M+ in annual recurring revenue growth even after I moved on
- The systems I built enabled the team to grow from a 4-person startup into an enterprise-level solution
Frontend Developer
TRAMS Korea
2015 - 2016 (1 year)
Hanoi, Vietnam
onsite- Focused on bringing international products to the Korean market through strategic outsourcing partnerships
- Built frontend solutions for various projects specifically tailored to Korean market preferences and requirements
- Continuously expanded my technical skills by working on diverse projects with different challenges and requirements
- Worked closely with international teams to adapt products for Korean users and business practices
- Gained valuable insights into cross-cultural software development and market localization strategies
Junior Java Developer
AVA
April 2015 - December 2015 (9 months)
Hanoi, Vietnam
onsite- Built Java applications and strengthened my understanding of object-oriented programming and core Java concepts
- Learned tremendously from my team lead and worked alongside some amazing colleagues in a very supportive environment
- Developed a solid foundation in Java development and software engineering best practices
- Sharpened my problem-solving skills through hands-on application development and real-world projects
Education
Diploma in Software Engineering
NIIT
2010 - 2013
Graduated with excellent results. Completed an early internship program that provided hands-on industry experience and practical software development skills.
Highlighted Projects
A comprehensive cloud-based phone system built for modern businesses. It features intelligent call routing, real-time analytics, and seamless integrations that make business communications simple and effective.
Next.jsTypeScriptGraphQLChakra UIPostgreSQLTwilioSignalWireWebRTCHasuraDockerTurborepoVitestPlaywrightReact NativeExpoGoogle Cloud Platform
I was a founding member of the team that built an intuitive drag-and-drop page builder for Shopify. We started from scratch with lots of research and experimentation, eventually creating a React-based MVP for Joomla CMS before pivoting to what became a hugely successful Shopify platform.
ReactNode.jsSocket.ioMongoDBExpressReduxShopify APIJoomla CMSWebpack
Key Technologies
Frontend Architecture
React, Next.js, TypeScript, Tailwind CSS, Redux, React Native
Building scalable, high-performance user interfaces and mobile applications
Backend & Infrastructure
Node.js, Express, GraphQL, PostgreSQL, Docker, AWS
Designing robust APIs and reliable cloud-based solutions
Development & Optimization
Monorepo (Turborepo), Vitest, Playwright, CI/CD, Performance Optimization
Maintaining code quality, comprehensive testing, and streamlined development workflows
Communication Systems
Twilio, SignalWire, WebRTC, Real-time APIs
Building enterprise-grade communication and telephony platforms
Languages
- EnglishIntermediate
- VietnameseNative
Last updated: June 2025