Jeffrey Leung
Software Developer at Meta
San Francisco, California, United States
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Jeffrey Leung is a software developer, community builder, and hackathon enthusiast currently working at Meta in Network Infrastructure.
Prior to Meta, Jeffrey worked at Amazon on data engineering to analyze Smart Home user insights, and on Alexa Smart Home Devices to build the Home experience for Echo Show devices, at Samsung on mobile payment systems, and at SAP on platforms for data analysis tools.
He is a co-founder of the SFU Applied Sciences Mentorship Program and previously the Logistics & Marketing Manager for Vancouver Datajam, a diversity-focused data hackathon and set of workshops. He was a co-founder of Surge, a large-scale inclusive tech community at SFU engaging students in industry environments through talks, projects, and hackathons. As for hackathons, he has organized 1, competed in 9, placed as finalist in 3, mentored at 9, given a talk, judged, and finalist-judged.
Area of Expertise
Topics
Knowledge from Nothing: Creating Data Pipelines for User Insights from Zero
Data is the key to understanding how users interact with and experience your product at scale. Leaders value timely, accurate, and actionable data but there are many complexities involved in initially building the required infrastructure and preparing it for further growth. Often, developers are given the task of creating this infrastructure without guidance on how to architect the data and which technologies to use.
In this talk, I cover the essentials of building a new data pipeline to collect raw data and transform it into easily-understandable graphs and tables. You will be able to deliver valuable, actionable insights which enable product managers, leaders, and stakeholders to make informed decisions on the product priorities and customer experience.
Presented at DevFest Vancouver in November 2023.
Ascending the Ranks from Junior to Intermediate as a Developer
Are you a junior developer, feeling inexperienced and as if you are still learning the ropes? This is the right time to start planning to become an intermediate developer.
In this talk, I discuss practical steps towards discovering and achieving the requirements for promotion to the next level. You'll also gain insights on how to excel as a developer and showcase your abilities more effectively.
Presented at DevFest Burnaby in November 2023.
Modern Data Privacy, or How Potter Lost his Cloak
The age of big data has also ushered in the age of unrestrained data collection through methods such as monitoring, observability, cookies, and logging. This often leads to a significant loss of privacy, exacerbated by vulnerabilities and data breaches. Regulations exist to increase privacy and transparency, but we must go beyond to ensure that users' data (our own data!) is properly and responsibly handled.
In this talk, I discuss the risks caused by overcollection, current regulations, and methods for developers and companies to reduce, anonymize, and secure user data.
Presented at Vancouver.dev DevTalks v6 in August 2024.
Introduction to Web Systems
Web systems can be complex to understand and build in high velocity situations like hackathons.
In this talk, I discuss the fundamental components and high-level architecture required to set up and run a basic self-built web application such as domains, IP addresses, HTTP requests, REST operations, front-ends, back-ends, and my recommended web technologies for fast iteration.
Presented at the PennApps XX hackathon in September 2019.
DevFest Burnaby 2023 ⛰️🍁🌲 Sessionize Event
DevFest Vancouver 2023 Sessionize Event
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