Dunhao Z.

Dunhao Z.

Amsterdam, Netherlands
Hire Dunhao Z. Hire Dunhao Z. Hire Dunhao Z.

About Me

I am an experienced full-stack developer and software engineer with a focus on web and game development, using Laravel + VueJS / ReactJS and Unity3D game development. I am highly skilled in many programming languages and frameworks, including PHP, Ruby on Rails, and jQuery to name a few. With the knowledge I bring and my work ethic, I always try to deliver the best approach to clients. My aim is to build long-term relationships with global clients.

Frontend

Backend

Database

Workflow

Other

Work history

UpStack
UpStack
Software Developer
2018 - Present (8 years)
, Remote
  • Creating and developing innovative software solutions for clients across a broad range of industries.

ShowHeroes
ShowHeroes
Senior Fullstack Developer
2022 - 2024 (2 years)
Remote
  • Engineered RESTful APIs and microservices supporting high-throughput video and ad workflows in distributed environments.

  • Built and optimized frontend interfaces for video players and ad management dashboards with modern JS frameworks.

  • Implemented backend services for ad serving, yield optimization (AdHero) and publisher monetization logic, integrating with video content and demand sources.

CoinMetro
CoinMetro
Senior Software Engineer
2017 - 2018 (1 year)
, Remote
  • Designed, developed, implemented and tested the exchange ecosystem that will drive the future of blockchain innovation.

  • Implemented complex UI components with HTML pixel perfection and built all of the front-end with React.js, Redux, and React-Router

  • Developed the back-office front-end single-page app and special event pages with React.js.

Razor Clicks (via Toptal)
Razor Clicks (via Toptal)
PHP Developer
2017 - 2017
, Remote
  • Implemented a Facebook and Twitter API integration for automatic posts.

  • Developed an admin dashboard for the existing project using AJAX and Bootstrap.

  • Managed the Amazon Mechanical Turk API integration and implemented a responsive HTML design.

Independent Consultant
Web and Unity3D Developer
2016 - 2017 (1 year)
, Remote
  • Built a QT desktop app for data encryption on local storage and cloud storage sites like Google Drive and Dropbox.

  • Developed Android BLE communication app which connects to a BLE toothbrush and collects brushing data. This app has been integrated to Unity 3D toothbrush game.

  • Built an OpenCV mobile app for advertising phone cases enabling users to interact with custom designed phone cases using their hand.

XinTai
XinTai
Software Developer
2013 - 2016 (3 years)
, Remote
  • Developed back-end RESTful APIs for a home electricity-usage management app using the CodeIgniter framework.

  • Developed Android multi screen share app which can be used on any Android version using SurfaceFlinger and Hardware Composer API. For device compatibility, used native frame buffer sharing with Android NDK on some device models.

  • Implemented bug-fixes and version migrations for various websites developed by PHP frameworks.

Hanvon Technology
Hanvon Technology
Software Developer
2009 - 2012 (3 years)
, Remote
  • Implemented a RESTful API for a game's back-end system using the PHP MVC framework.

  • Developed MMO (massively multiplayer online) RPG game using Unity3D and a custom master-server with C#.

  • Created and updated WordPress CMS plugins for customized demands.

Showcase

Chirperr
Chirperr

Developed Chirperr, a social automating system users can link their social media accounts and set their main posts to be tweeted. Implemented Facebook and Twitter API integration for automatic posts. Managed the Amazon Mechanical Turk API integration for post writing. Developed admin dashboard using jQuery/AJAX/PHP. Implemented a responsive HTML design. Technologies used: PHP, Social Media Integration, Ajax, MySQL

OpenTimeApp
OpenTimeApp

Developed OpenTimeApp, an enterprise grade event managing system where users can schedule meetings and various events with their friends, family and colleagues, and company members without hassle and conflict.Developed back-end APIs for admin dashboard using PHP / CodeIgniter. Build front-end using jQuery and Bootstrap. Technologies used: PHP, CodeIgniter, jQuery, Redis, RabbitMQ

CoinMetro
CoinMetro

CoinMetro is an innovative blockchain based cryptocurrency trading platform. Implemented front-end complex animations across the site using CSS animation. Developed back office portal SinglePageApp with React.js, Redux, and React-Router. Supported a security audit for the back-office. Implemented special event pages, including flash sales. Technologies used: React.js, blockchain, nodeJS, Express, HTML, CSS

Education

Education
Bachelor of Science in Computer Science, Peking University, 2008
Peking University
2004 - 2008 (4 years)