Nash Yeung, Data Engineer and Back-end Developer in Ottawa, ON, Canada
Nash Yeung

Data Engineer and Back-end Developer in Ottawa, ON, Canada

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.
Nash is now available for hire

Portfolio

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

Experience

Location

Ottawa, ON, Canada

Availability

Part-time

Preferred Environment

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.

Employment

  • 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, AWS RDS, Git, Linux, PostgreSQL, Redshift, MySQL, Query Optimization, ETL, Ruby, Ruby on Rails (RoR), Google BigQuery, BigQuery, Big Data, Data Engineering, Data Pipelines, DBT, Databases, Amazon EC2 (Amazon Elastic Compute Cloud), Amazon S3 (AWS S3), Docker, CI/CD Pipelines, Data Warehousing, Data Quality, AWS, 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 Elastic Compute Cloud), 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

Experience

  • 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.

Skills

  • 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 (Amazon Elastic Compute Cloud), Kubernetes, Docker, Linux
  • Storage

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

    AWS RDS, Query Optimization, Data Engineering, Google BigQuery, DBT, Data Warehousing, AWS, Big Data, CI/CD Pipelines, Data Quality

Education

  • Bachelor's Degree in Computer Science
    2003 - 2006
    The Chinese University of Hong Kong - Hong Kong, China

Certifications

  • AWS Certified Solutions Architect
    SEPTEMBER 2021 - SEPTEMBER 2024
    Amazon Web Services
  • Project Management Professional (PMP)
    DECEMBER 2014 - DECEMBER 2023
    Project Management Institute (PMI)

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