Hanlin Wang, Developer in Hong Kong, Hong Kong
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Hanlin Wang

Verified Expert  in Engineering

Software Developer

Hong Kong, Hong Kong
Toptal Member Since
September 20, 2018

Hanlin is a Laravel artisan and DevOps specialist with a wide range of knowledge and coding ability with most modern technology stacks. He has worked with multiple startups across a variety of industries, helping to make their ideas become real products.



Preferred Environment

Linux, MySQL, PhpStorm, Docker, Kubernetes

The most amazing...

...thing I've coded is a cryptocurrency trading engine to support thousands of orders per second and match in a time based on a first-in, first-out sequence.

Work Experience

Chief Technology Officer

2019 - PRESENT
Rays Technology Limited
  • Developed technical aspects of the company’s strategy to ensure alignment with its business goals.
  • Led technical team and manage hiring process.
  • Supervised system infrastructure and ensure functionality and availability.
  • Built quality assurance and data protection processes.
  • Communicated technology strategy to partners and investors.
  • Managed technology budgets and time frames.
Technologies: Machine Learning, Microservices, Kubernetes

Lead Full-stack Developer

2016 - 2018
Creatella Pte. Ltd.
  • Led and cultivated developer team.
  • Developed and invented company CI/CD workflow.
  • Created re-usable components and setup internal registry.
  • Communicated with the project manager and client on requirement analyzing and regular updates.
Technologies: Kubernetes, Go, Vue, React, Laravel

Back-end Developer

2015 - 2016
Creatella Pte. Ltd.
  • Coded for several website using Laravel.
  • Maintained multiple WordPress blogs and servers.
Technologies: WordPress, PHP, Laravel

Rays Technology Website System

I handcrafted the design and implementation of Rays Technology Official Website, under the hood, there is domain registration and workflow sync with WHMCS system, an online shop with the integration of billing system to GCP, Azure, AWS. A referral and automatic registration system with G Suite, Microsoft 365, and Office 365.


Bilingua is a language exchange cross-platform app, my role is to lead back-end development and manage internal infrastructures. Set up CI/CD, load balancing, Zabbix monitoring, and Sentry error reporting. Used services including beanstalkd, Memcached, Redis, pusher, Twilio, Stripe, nexmo, and sparkpost. Bilingua has average DAU ~500 and MAU ~9,000 with 50,000+ app installations. (data@01/01/2018)


Danabijak is a loan platform; my role is to lead back-end development and work with the bank integrating different payment-related soap API. Behind the scenes, we also have integrated wkhtmltopdf to generate different types of PDFs in the cloud.


TranSwap is a platform that matches foreign currency needs with other users at competitive rates in an easy and secure way, my role is to lead the back-end development and DevOps to support server operations.

Laravel Queue Pool

Laravel Queue Pool package provides a simple command to allow users to create a pool of queue consumers.


SQL, PHP 7, JavaScript, PHP, Go, Solidity, GraphQL


Laravel 5, OAuth 2, JSON Web Tokens (JWT), gRPC, Laravel, Electron


Stripe API, Facebook API, Google APIs, Redis Queue, Twilio API, Nexmo, Pusher, Google AdSense, Node.js, Vue 2, WebRTC, React, Vue


Jira, Trello, Slack, Office 2016, Apple Keynote, GitHub, Git, Terraform, Jenkins, Ansible, Zabbix, Sentry, Google Kubernetes Engine (GKE), G Suite, ELK (Elastic Stack), CircleCI, Webpack, Zimbra, Phabricator, Odoo, Google Analytics, PhpStorm, Istio


Agile Software Development, Microservices, Unit Testing, Azure DevOps


Linux, Docker, WordPress, Amazon Web Services (AWS), Kubernetes, Ubuntu, Spinnaker, Firebase


Google Cloud, MySQL, Redis, PostgreSQL, NoSQL, Memcached, Elasticsearch, GlusterFS, Ceph, Azure Cloud Services


Kubernetes Operations (kOps), SparkPost, SOAP, Laravel Forge, Google Ads, MinIO, Discourse, WebSockets, Beanstalkd, High Availability Disaster Recovery (HADR), Prometheus, Architecture, Subscription Processing, Google Tag Manager, GDPR, Machine Learning, Cordova

2013 - 2017

Bachelor's Degree in Law

East China University of Political Science and Law - Shanghai, Mainland China - Shanghai, China


G Suite Administrator Fundamentals

Google Cloud/Coursera

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