Nash Yeung, Developer in Ottawa, ON, Canada
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Nash Yeung

Verified Expert  in Engineering

Data Engineer and Back-end Developer

Location
Ottawa, ON, Canada
Toptal Member Since
April 1, 2022

Nash is an experienced back-end and data engineer. He has 10+ years of experience in back-end development and system design, ETL development, big data system design, operation, performance, and cost optimization. As a certified AWS Solutions Architect, Nash helps companies and teams migrate their on-premise systems to AWS to achieve better scalability, security, and higher availability at a lower cost.

Amazon RDSData EngineeringData WarehousingSQLRubyRuby on Rails (RoR)DatabasesRSpecPythonMySQLAmazon Web Services (AWS)Amazon EC2Amazon S3 (AWS S3)CapistranoTerraform

Portfolio

ExpressVPN
Terraform, Python, SQL, Tableau, Amazon Web Services (AWS), Apache Airflow...
Bindo Labs
Ruby on Rails (RoR), MySQL, Amazon Web Services (AWS), Git, Query Optimization...
StartJG
Microsoft SQL Server, Git, ASP.NET, C#, Databases, CI/CD Pipelines

Experience

SQL - 10 yearsRuby - 10 yearsAmazon Web Services (AWS) - 7 yearsPython - 7 yearsTerraform - 5 yearsApache Airflow - 4 yearsRedshift - 4 yearsPostgreSQL - 4 years

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), Kubernetes, Terraform, Python, SQL, Ruby

The most amazing...

...system I've built is a data platform that supports various data sources, a governed data lake, and real-time ETL pipelines ultimately used by the whole company.

Work Experience

Data Engineering Manager

2015 - 2022
ExpressVPN
  • Drove the design and implementation of the next version of the company-wide data platform to be cloud-native, real-time, scalable, automated, and ultimately self-served.
  • Led the data engineering team to maintain, operate, and enhance the legacy data platform that's still supporting all analytics needs for the business.
  • Planned and drove the migration of several critical back-end systems to Kubernetes to achieve better availability and scalability.
Technologies: Terraform, Python, SQL, Tableau, Amazon Web Services (AWS), Apache Airflow, Amazon RDS, Git, Linux, PostgreSQL, Redshift, MySQL, Query Optimization, ETL, Ruby, Ruby on Rails (RoR), Google BigQuery, BigQuery, Big Data, Data Engineering, Data Pipelines, Data Build Tool (dbt), Databases, Amazon EC2, Amazon S3 (AWS S3), Docker, CI/CD Pipelines, Data Warehousing, Data Quality, Pandas, Unicorn, Capistrano, RSpec, Haml, Sidekiq

Head Software Developer

2014 - 2015
Bindo Labs
  • Led the revamp and unification of several existing RESTful APIs for better performance and control.
  • Oversaw requirements gathering, feature design, and system development.
  • Evaluated and tested new tools and workflows for continuously optimizing team members' work and automating operations.
Technologies: Ruby on Rails (RoR), MySQL, Amazon Web Services (AWS), Git, Query Optimization, Linux, Databases, Amazon EC2, Amazon S3 (AWS S3), CI/CD Pipelines, Unicorn, Capistrano, RSpec, Haml

System Analyst

2013 - 2014
StartJG
  • Built the development and continuous integration workflows using Gitflow and TeamCity.
  • Set up and administered development VMs for project development using VMWare vSphere, Windows 7, and Ubuntu Server.
  • Participated in module implementation in ASP.NET projects and a client-side web app in AngularJS and CoffeeScript.
Technologies: Microsoft SQL Server, Git, ASP.NET, C#, Databases, CI/CD Pipelines

Senior System Architect

2011 - 2013
iClick Interactive Asia Limited
  • Implemented and maintained a real-time ad impression bidding system (20.000+ requests/s, <100ms response time) integrated with Google Ad Exchange and various ad platforms.
  • Participated in building the Hadoop-based big data system for ad data analyses.
  • Optimized and operated the ad-serving and tracking servers to serve more than 2.000 tracking requests/s.
Technologies: Ruby, Ruby on Rails (RoR), MySQL, Greenplum, Hadoop, HBase, Git, Linux, Query Optimization, ETL, Big Data, Data Engineering, Databases, Capistrano

XMO

XMO enables to connect various online inventories across search, display, video, and mobile. Through XMO's unique key users and programmatic buying capabilities, marketers can easily identify their target audience from the scattered media inventories and deliver the most effective ad messages to convert them.

I actively participated in feature development, ad platform integration, system optimization, and building of the first generation data warehouse.

Languages

Python, SQL, Ruby, Unicorn, Haml, C#

Frameworks

Ruby on Rails (RoR), Hadoop, ASP.NET

Libraries/APIs

Sidekiq, Pandas

Tools

Terraform, Apache Airflow, BigQuery, Capistrano, RSpec, Git, Tableau

Paradigms

ETL

Platforms

Amazon Web Services (AWS), Amazon EC2, Kubernetes, Docker, Linux

Storage

MySQL, PostgreSQL, Redshift, Databases, Amazon S3 (AWS S3), Data Pipelines, Greenplum, Microsoft SQL Server, HBase

Other

Amazon RDS, Query Optimization, Data Engineering, Google BigQuery, Data Build Tool (dbt), Data Warehousing, Big Data, CI/CD Pipelines, Data Quality

2003 - 2006

Bachelor's Degree in Computer Science

The Chinese University of Hong Kong - Hong Kong, China

SEPTEMBER 2021 - SEPTEMBER 2024

AWS Certified Solutions Architect Professional

AWS

DECEMBER 2014 - DECEMBER 2023

Project Management Professional (PMP)

Project Management Institute (PMI)