Jack Guo
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Jack Guo Email & Phone Number

Back End Engineer at Faire
Location: 63 Followers, United States, United States 8 work roles 1 school
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✓ Verified May 2026 3 data sources Profile completeness 86%

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Current company
Role
Back End Engineer
Location
63 Followers, United States, United States
Company size

Who is Jack Guo? Overview

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Quick answer

Jack Guo is listed as Back End Engineer at Faire, a company with 1469 employees, based in 63 Followers, United States, United States. AeroLeads shows a matched LinkedIn profile for Jack Guo.

Jack Guo previously worked as Software Developer at Replicant and Software Developer at Replicant. Jack Guo holds Bachelor Of Applied Science - Basc, Computer Engineering from University Of Waterloo.

Company email context

Email format at Faire

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Faire

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Profile bio

About Jack Guo

Software developer with over 2 years of experience working in front-end and back-end web development. Fluent in JavaScript, Java, C#, C++, Python and MySQL. Familiar with Angular, React, Vue, Android, .NET, REST, Node.js and Git.

Current workplace

Jack Guo's current company

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Faire
Faire
Back End Engineer
Canada
Website
Employees
1469
AeroLeads page
8 roles

Jack Guo work experience

A career timeline built from the work history available for this profile.

Back End Engineer

Canada

Software Developer

Current

Toronto, Ontario, Canada

Jun 2023 - Present

Software Developer

Toronto, Ontario, Canada

  • Developed a phone-based voice AI for customer service using finite state machine models implemented in Typescript that is set to handle 1.3 million calls per year with an annual revenue of $5 million.
  • Improved design of voice bot by implementing grouping of similar quantities of data to minimize repetition while reading data to the customer, resulting in up to a 10 second reduction in call time.
  • Implemented real time bot execution path visualization using inter-process communication between bot program and VS Code extension to improve debugging efficiency.
  • Investigated voice bot unit test performance and applied mocking to repetitive routines that led to a reduction in unit test execution time by 40%.
Sep 2022 - Dec 2022

Software Developer

Toronto, Ontario, Canada

  • Designed and implemented a Selenium TestNG ecommerce testing application with asynchronous file write and concurrent testing capability to achieve a 5x reduction in runtime compared to previous automation.
  • Improved user experience in a Vue application by using event bus to progressively trigger component load, resulting in a 2x reduction in content layout shift.
  • Utilized Vuex store to deliver ecommerce information in user feedback forms, preventing marketing team from manually retrieving information.
  • Created a Java utility to automate ecommerce purchases with SOAP and JDBC libraries, saving testers over 4 hours per week.
Jan 2022 - Apr 2022

Full Stack Web Developer

Toronto, Ontario, Canada

  • Achieved a 4x reduction in broadcast schedule processing time of a C#.NET webservice by caching and optimizing algorithms of frequently used functions.
  • Applied a reverse tree traversal algorithm in a C# webservice to find video content within a multi-level playlist in 50% less time than existing methods.
  • Created a lightweight code editor in AngularJS with line numbering and error highlighting for an online configuration application that saved developers over 1 hour of work each week of debugging time.
Jan 2021 - Apr 2021

Software Developer

Waterloo, Ontario, Canada

  • Created an Angular status page component utilizing reactive forms and modular table subcomponents to allow for form validation and reusability.
  • Composed clean and efficient Jasmine unit tests which increased front end test coverage by 25%.
  • Utilized hashing to cache user warnings and improved load time by 3 seconds within an Angular component.
May 2020 - Aug 2020

Junior Software Engineering

Toronto, Ontario, Canada

  • Implemented AES encryption in Cloud Configuration to resolve security issues for Spring boot microservices.
  • Improved website login functionality by designing a new modular Angular login service
Sep 2019 - Dec 2019

Junior Software Engineering

Toronto, Ontario, Canada

  • Composed a TestNG automated testing program to streamline and simplify REST/SOAP API testing with Excel and Email API integration.
  • Devised automated tests for Android and iOS devices using ADB and Jasmine to increase mobile automation coverage by 20%.
Jan 2019 - Apr 2019
Team & coworkers

Colleagues at Faire

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1 education record

Jack Guo education

FAQ

Frequently asked questions about Jack Guo

Quick answers generated from the profile data available on this page.

What company does Jack Guo work for?

Jack Guo works for Faire.

What is Jack Guo's role at Faire?

Jack Guo is listed as Back End Engineer at Faire.

Where is Jack Guo based?

Jack Guo is based in 63 Followers, United States, United States while working with Faire.

What companies has Jack Guo worked for?

Jack Guo has worked for Faire, Replicant, Onlia, Imagine Communications, and Inflight.

Who are Jack Guo's colleagues at Faire?

Jack Guo's colleagues at Faire include Daniel Breves, Rachnel Kramer, Mithon Ahmed, Salma Kassimi, and Trevor Omoto.

How can I contact Jack Guo?

You can use AeroLeads to view verified contact signals for Jack Guo at Faire, including work email, phone, and LinkedIn data when available.

What schools did Jack Guo attend?

Jack Guo holds Bachelor Of Applied Science - Basc, Computer Engineering from University Of Waterloo.

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