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Hoang DaiHD
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Hoang Dai

@hoangdai

I build scalable full-stack web and industrial IoT systems with Go, React, Node.js, and messaging platforms.

Vietnam
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At NTQ Solution, I architect Go-based MQTT-to-RabbitMQ services and lead the migration of multi-site MES services from Java Spring Boot to Go. I build industrial IoT workflows, high-throughput data layers, and responsive applications with React, Next.js, and Svelte.

I've led frontend and full-stack teams across XInc, Remitano, Bunbu, and freelance projects, delivering AI video platforms, cryptocurrency products, real-time dashboards, and reusable UI systems. I use Go, Node.js, NestJS, PostgreSQL, MongoDB, MQTT, RabbitMQ, and AI-assisted tools to ship reliable systems faster without compromising code quality.

Experience

Work history, roles, and key accomplishments

ON
Current

Frontend Developer

Ontune

Jan 2025 - Present (1 year 8 months)

Developed a real-time monitoring application using Svelte for high performance and responsiveness. Built an interactive topology map with Svelte Flow and implemented WebSocket-based real-time sync.

Upwork logoUP
Current

Freelance Full-Stack Developer

Jan 2019 - Present (7 years 8 months)

Delivered full-stack freelance web applications using Node.js and NestJS. Designed RESTful APIs with authentication, authorization, and validation, and built scalable database systems.

BL

Frontend Leader

Bunbu Company Limited

Dec 2020 - Jun 2023 (2 years 6 months)

Led a front-end team building a shared UI-kit codebase with React, Vue.js, and TypeScript. Established development processes and reusable component standards, and resolved cross-browser compatibility issues.

RE

Frontend Developer

REMITANO

Jul 2022 - Nov 2022 (4 months)

Led development of cryptocurrency trading systems across web and mobile platforms using React and React Native. Built and maintained a custom UI/UX component library and optimized state management with Redux.

KI

Frontend Leader

Kizukai

Dec 2021 - Aug 2022 (8 months)

Rebuilt the web application using Next.js and NestJS across frontend and backend. Implemented reusable UI components based on Atomic Design and modernized legacy codebases, improving performance by 50%.

TE

Frontend Developer

TechDesign

Dec 2020 - Aug 2022 (1 year 8 months)

Built the web app using React, including map and email modules. Integrated Firebase login (Google & Facebook), increasing user sign-ups by 20%.

MY

Frontend Leader

Mynavi

Oct 2021 - Jun 2022 (8 months)

Built the web app using Vue.js, including chat and video call modules. Conducted UI testing to identify and resolve performance issues, improving front-end performance by 20%.

VI

Frontend Developer

VietSoftware International

Aug 2019 - Dec 2020 (1 year 4 months)

Architected front-end modules and reusable components with React and Angular. Partnered with back-end engineers to optimize API integrations and worked directly with clients to scope solutions.

MH

Frontend Developer

Metlife Datatribution Hub

Aug 2019 - Feb 2020 (6 months)

Built the web app using React and Angular, including a charting module. Reduced application load time by 40% through code optimization.

WS

Frontend Developer

Webplus SJC

Sep 2018 - Aug 2019 (11 months)

Built responsive websites from mockups using HTML, CSS, and jQuery, and maintained legacy codebases. Reduced page size and load time through sprite-based optimization.

JC

Frontend Developer

Jamja Corp

Jun 2018 - Sep 2018 (3 months)

Built websites and landing pages from concept to deployment using React. Introduced Webpack, BEM, and SASS to modernize the project.

Education

Degrees, certifications, and relevant coursework

Hanoi University of Science and Technology logoHT

Hanoi University of Science and Technology

Bachelor of Information Technology, Information Technology

2019 - 2022

Grade: 2.80/4.00

Bachelor of Information Technology with a GPA of 2.80/4.00.

Hanoi University of Mining and Geology logoHG

Hanoi University of Mining and Geology

Bachelor of Petroleum Drilling and Production, Petroleum Drilling and Production

2013 - 2018

Grade: 2.87/4.00

Bachelor of Petroleum Drilling and Production with a GPA of 2.87/4.00.

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