Wayne Tan, Developer in Singapore, Singapore
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Wayne Tan

Verified Expert  in Engineering

Bio

Wayne is a technologist with over eight years of experience developing low-latency, high-throughput back-end microservices in Python and Rust. He is proficient in other areas, including cloud solutions, full-stack web app development, and DevOps. Wayne is interested in finance, high-frequency trading, and blockchain technology.

Portfolio

Grasshopper Pte Ltd
Python, Rust, Google Cloud Platform (GCP), JavaScript, Solace, Linux, Django...
Infinite Code
Python, React Native, Agile, JavaScript, Django, HTML, Linux, Docker...
Standard Chartered
SQL

Experience

  • SQL - 10 years
  • Django - 8 years
  • Linux - 8 years
  • JavaScript - 8 years
  • Python - 8 years
  • Google Cloud Platform (GCP) - 3 years
  • React - 2 years
  • Rust - 1 year

Availability

Part-time

Preferred Environment

Linux, Visual Studio Code (VS Code)

The most amazing...

...thing I've rewritten is the core service supporting high-frequency trading from Python to Rust.

Work Experience

Software Developer

2017 - PRESENT
Grasshopper Pte Ltd
  • Designed, developed, and optimized a risk management ecosystem to support high-frequency trading.
  • Scaled key services several times to handle the trading volume.
  • Rewrote core services from Python to Rust to achieve lower latency and higher throughput.
Technologies: Python, Rust, Google Cloud Platform (GCP), JavaScript, Solace, Linux, Django, Docker, NGINX, PostgreSQL, MySQL, Web Scraping, Back-end, Scripting, APIs, Redis, Flask, Cloud, Full-stack Development, Web Development, Firebase, Google Cloud Functions

Software Engineer

2014 - 2016
Infinite Code
  • Developed a web app that allowed users to complete the end-to-end workflow for buying car insurance.
  • Created an eCommerce website to help the client expand sales.
  • Developed a loyalty mobile app that allowed users to scan receipts and redeem rewards.
Technologies: Python, React Native, Agile, JavaScript, Django, HTML, Linux, Docker, Amazon Web Services (AWS), NGINX, REST APIs, PostgreSQL, API Integration, Web Scraping, Back-end, Scripting, APIs, Redis, Cloud, Full-stack Development, Web Development

Portfolio Risk Analyst

2013 - 2014
Standard Chartered
  • Built tools to report wholesale banking portfolio risk.
  • Designed a risk information report for the board and governance committees.
  • Leveraged technologies to improve business workflow automation.
Technologies: SQL

Application Analyst

2012 - 2013
Barclays Capital
  • Developed tactical solutions to help with middle office reconciliation workflow.
  • Leveraged technologies to improve operational risk control.
  • Automated reporting of global assets at risk across different classes.
Technologies: Excel VBA, Microsoft Access

Risk Analyst

2008 - 2011
iConcerto Inc
  • Created metrics and models for customer and market risk profiling.
  • Automated daily workflow to monitor risk and successfully identified previously undetected market and customer niches.
  • Liased with IT and project manager in building and testing data warehouse.
Technologies: Excel VBA, R, Mathematics

Experience

Risk Management Ecosystem

The risk management ecosystem is a collection of microservices to support high-frequency trading. It has many functions, including limits management, near real-time monitoring of trading activities, calculation of trading parameters, and post-trade reporting.

SaladStop!

A loyalty app that allows restaurant chain customers to scan receipts, redeem rewards, and get updated about the latest promotions and news. It has a back-end system that allows the staff to create and manage campaigns.

Huntsman Aus

Served as the only full-stack developer, liaising with the designer and project manager to build the back and front end for this eCommerce website. I integrated payment gateways and deployed the site to the cloud.

Value at Risk Engine

A Python module to extract and transform market and trading data to calculate daily value at risk for the trading firm's overnight positions. It allows users to choose different types of covariance matrices and configure parameters.

Education

2002 - 2004

Bachelor's Degree in Economics

The Australian National University - Canberra, Australia

Certifications

MAY 2020 - PRESENT

IBM AI Engineering

IBM

Skills

Libraries/APIs

REST APIs, React

Tools

NGINX, Jenkins, Docker Compose

Languages

Python, SQL, JavaScript, HTML, Rust, Excel VBA, R

Frameworks

Django, React Native, Flask

Paradigms

Agile

Platforms

Linux, Docker, Firebase, Google Cloud Platform (GCP), Amazon Web Services (AWS)

Storage

PostgreSQL, MySQL, Redis

Other

API Integration, Solace, Web Scraping, Back-end, Scripting, APIs, Full-stack Development, Web Development, Google BigQuery, Cloud, Statistics, Mathematics, Google Cloud Functions

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