Zhiqiang is available for hire
Hire ZhiqiangZhiqiang Zhong
Verified Expert in Engineering
Software Developer
Shenzhen, Guangdong, China
Toptal member since January 20, 2020
Bio
An experienced full-stack JavaScript developer who's accumulated a great deal of hands-on experience throughout his career as a JavaScript developer—focusing on React and Angular for the front end, Node.js for the back end, and React Native and Ionic for mobile apps. So far, Zhiqiang's built and delivered over 10 web and mobile apps, and he joined Toptal to search for and join exciting web projects with people from all over the world.
Portfolio
VirtualShield
React, Next.js, TypeScript, Tailwind CSS, Content Management Systems (CMS)...
Aivoes
React, Next.js, React Native, TypeScript, GraphQL, Prisma, Tailwind CSS
Centralex
React, Redux, TypeScript, Next.js, Ethers.js
Experience
- React - 7 years
- JavaScript - 7 years
- Node.js - 7 years
- React Native - 5 years
- React Redux - 5 years
- TypeScript - 4 years
- Amazon Web Services (AWS) - 4 years
Availability
Full-time
Preferred Environment
GitHub, Postman, React, Node.js, MobX, React Native, Material UI, TypeScript, Redux, GraphQL
The most amazing...
...thing I've developed was an investment dashboard that serves 1,000 DAU, 100 req/s, and adds more than 100,000 records per day.
Work Experience
Senior Front-end Developer
2024 - 2024
VirtualShield
- Developed responsive pages that automatically adjusted for different screen sizes and mobile devices, improving mobile traffic and enhancing user engagement through optimized layout and design.
- Collaborated with designers to refine and modify UI/UX elements, incorporating user feedback and performance data, improving usability, and reducing user drop-off rates.
- Built and implemented glossary and post pages, ensuring dynamic content display and an intuitive user experience, increasing content views, and boosting user interaction with the glossary.
- Optimized cross-browser compatibility across multiple platforms, resolving display issues and ensuring consistent performance on various user devices.
- Integrated SEO best practices into all pages and posts, increasing organic traffic after the launch.
- Streamlined front-end code by refactoring legacy stylesheets and optimizing image assets, reducing page load time, and improving site performance metrics across devices.
Technologies: React, Next.js, TypeScript, Tailwind CSS, Content Management Systems (CMS), Stripe
Senior Full-stack Developer
2023 - 2024
Aivoes
- Designed the system's architecture, ensuring scalability, reliability, and seamless integration of AI modules for data extraction and categorization.
- Led a cross-functional development team to deliver the application and dashboard, managing task allocation, code reviews, and project timelines to ensure timely delivery and high-quality standards.
- Developed the back end using GraphQL and Prisma, implementing robust APIs to handle complex data processing and communication between the AI engine and the database.
- Built the front end using React, Next.js, and Tailwind CSS, creating a responsive, user-friendly dashboard for invoice management and analysis across devices.
- Established a CI/CD pipeline and coding standards, streamlining the development process and ensuring maintainable, clean code across the project lifecycle.
- Collaborated with stakeholders and designers to refine UI/UX elements, aligning the application’s functionality with business goals and user needs.
Technologies: React, Next.js, React Native, TypeScript, GraphQL, Prisma, Tailwind CSS
Front-end Developer
2022 - 2023
Centralex
- Implemented the responsive dashboard that fits for different sizes of screens and mobile.
- Helped designers modify UI/UX design and did code reviews for other developers.
- Implemented the new custom decentralized finance dashboards, creating new components and pages.
Technologies: React, Redux, TypeScript, Next.js, Ethers.js
Front-end React Developer
2022 - 2022
Design Technologies EOOD
- Developed and implemented new components based on the design for common usage of a shopping website.
- Implemented standard checkout widgets that can be plugged into the shopping website.
- Worked on implementing common components such as cards, accordions, image sliders, and other components that can be used in different shopping websites.
Technologies: JavaScript, Symfony, React, Agile Software Development, MySQL, People Management, Web Development, eCommerce, Software as a Service (SaaS)
Senior Full-stack Developer
2021 - 2021
Givelify
- Engineered a unit web dashboard version 3 from scratch based on a design used for employees.
- Implemented new pages and components for the existing donation website.
- Fixed bugs in the current website and component system.
Technologies: React, TypeScript
Front-end Developer
2020 - 2021
Pano
- Implemented the website from scratch based on the design using React, MobX, and Material-UI.
- Implemented a panoramic images player using JavaScript.
- Helped with the UI improvement based on my experience with the front end.
Technologies: JavaScript, TypeScript, React
Full-stack Developer
2020 - 2020
Freelance
- Implemented new responsive website pages and components based on the design with two dashboards.
- Fixed existing bugs (front end and back end) that were left by the previous developer.
- Set up endpoints, API calls, and database CRUD operations on the back-end side.
- Helped other developers to go over the app and their tasks.
Technologies: MongoDB, Bitbucket, Node.js, React
Senior Full-stack Developer
2019 - 2020
AgriDealer
- Developed the front end of an agricultural project using React, Material-UI, and Docker.
- Implemented some new components for the web app, like the front end, back end, and database.
- Refactored the original codebase for better development and understanding.
Technologies: Express.js, Material UI, Postman, PostgreSQL, Node.js, React
Senior Full-stack Developer
2018 - 2019
Viact
- Developed the front end, back end, and database for an mobile app that involved tennis gesture recognition using React Native.
- Developed a responsive web-app for desktop and mobile using React which is for automate construction monitoring showing monitor live streams and ai detection details.
Technologies: Amazon Web Services (AWS), SendGrid API, Twilio API, MySQL, TypeScript, Node.js, React Native, React
Mid-level Full-stack Developer
2015 - 2018
9D Technology, Ltd.
- Built the front end of a website page with Angular and Material under SSL.
- Developed the desktop version using NW.js (previously known as node-webkit) and integrated it with the lib RS232 and decryption algorithm to read and write buffer to the SPanel hardware.
- Implemented the chat-fly and gift-sending system with Socket.IO channel API.
Technologies: Amazon Web Services (AWS), SSL, Node.js, React Native, React, Angular
Experience
AgriDealer
https://agridealer.app/AgriDealer is a website that allows seed dealers and farms to sell or buy seeds.
I developed the front-end components for an agricultural dealer project using React, Material-UI, and Docker. Along with implementing some new components for the web app (front end, back end, and database), I refactored the original codebase for better development and implementation of new solutions on the project.
Technologies: React, Node.js, PostgreSQL, REST API, Rancher, Material-UI, and Docker
I developed the front-end components for an agricultural dealer project using React, Material-UI, and Docker. Along with implementing some new components for the web app (front end, back end, and database), I refactored the original codebase for better development and implementation of new solutions on the project.
Technologies: React, Node.js, PostgreSQL, REST API, Rancher, Material-UI, and Docker
Viact
http://app.viact.ai/Viact is a video monitor AI detection solution dashboard.
I worked as the lead full-stack developer—implementing a responsive web-app for desktop and mobile using React to automate construction monitoring showing monitor live streams and ai detection details.
I implemented an mobile app with expo and react native for helmet detection demo.
I also led a team of three and completed over ten successful sprints.
Technologies: React, Node.js, MySQL, AWS, Twilio API, SendGrid API, React Native, TensorFlow.js, expo
I worked as the lead full-stack developer—implementing a responsive web-app for desktop and mobile using React to automate construction monitoring showing monitor live streams and ai detection details.
I implemented an mobile app with expo and react native for helmet detection demo.
I also led a team of three and completed over ten successful sprints.
Technologies: React, Node.js, MySQL, AWS, Twilio API, SendGrid API, React Native, TensorFlow.js, expo
Knowlabel
It is a mobile app for workers in a factory to manage their daily work. Most of the time, I worked on the front end to build up the app UI from the Sketch design they sent me. I worked with a back-end team and obtained endpoints from them. We assigned tasks on Asana, so I could timely follow up on them.
Technologies: React Native, BirdFlight
Technologies: React Native, BirdFlight
Opinia
Opinia is the collection analysis tool used across Buildmind products.
You can view your Form reports and detailed stats using the Opinia mobile app.
I implemented the app as a full-stack developer—creating the front end, back end, and database from scratch.
Technologies: React Native, Node.js, MySQL
You can view your Form reports and detailed stats using the Opinia mobile app.
I implemented the app as a full-stack developer—creating the front end, back end, and database from scratch.
Technologies: React Native, Node.js, MySQL
Motto
Motto is a small and arty app that brings you freshness every day.
You can refresh for new mottos and save the screenshot with the motto and the background image to your camera roll. You can also directly share the image to your friends.
I implemented the app as a full-stack developer created frontend, backend and database from scratch.
Technologies: React Native, Node.js, MySQL
You can refresh for new mottos and save the screenshot with the motto and the background image to your camera roll. You can also directly share the image to your friends.
I implemented the app as a full-stack developer created frontend, backend and database from scratch.
Technologies: React Native, Node.js, MySQL
MGL P2P Investment
I developed an investment dashboard that allows investors to check for interests, manage transfers in and out of accounts (including commission system, chip exchange system, feedback system). The dashboard serves 1,000 DAU, with 100 requests/s and an increasing amount of 100,000 records per day. I built and deployed the website with high DAU.
Technologies: React
Technologies: React
Rush Hour Meet
It's a chat app for a company where staff can chat and get other staff members' locations.
I work as a full-stack developer and built up the app from a Sketch file with a fellow developer. Both of us took responses on the front end, back end, and database.
Technologies: React Native, Node.js, SQLite
I work as a full-stack developer and built up the app from a Sketch file with a fellow developer. Both of us took responses on the front end, back end, and database.
Technologies: React Native, Node.js, SQLite
Google Project Sunroof
Google Project Sunroof is a government-led project in Japan that aims to recommend suitable solar-energy devices for residents after calculating the area of the roof of their houses. The solution allows the user to own a personalized solar savings estimator, powered by Google Earth imagery.
I built and maintained the components of Tepco's Project Sunroof solution with Google Sunroof in Japan. I also optimized and implemented solutions for complex calculation of incentives and power ladder with AI prediction for electric usage. It was iterated using the latest stack of Angular and Firebase.
Technologies: Angular and Firebase
I built and maintained the components of Tepco's Project Sunroof solution with Google Sunroof in Japan. I also optimized and implemented solutions for complex calculation of incentives and power ladder with AI prediction for electric usage. It was iterated using the latest stack of Angular and Firebase.
Technologies: Angular and Firebase
Education
2011 - 2015
Bachelor's Degree in Software Engineering
Sun Yat-sen University - Guangzhou, China
Skills
Libraries/APIs
Node.js, React, SendGrid API, MobX, React Redux, Twilio API, REST APIs, Socket.IO, Stripe
Tools
Postman, Slack, GitHub, pgAdmin, Bitbucket, Trello, SendGrid, Expo, Prisma
Languages
JavaScript, SCSS, TypeScript, GraphQL, HTML, CSS, C++
Frameworks
Angular, React Native, Ionic, Material UI, Express.js, Redux, NestJS, Symfony, Next.js, Tailwind CSS
Paradigms
Agile, Agile Software Development
Platforms
Desktop, Amazon Web Services (AWS), Visual Studio Code (VS Code), Firebase
Storage
PostgreSQL, MySQL, SQLite, MongoDB
Other
SSL, People Management, Web Development, eCommerce, Software as a Service (SaaS), Ethers.js, Content Management Systems (CMS)
Collaboration That Works
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