Jay Estrella

Co-Founder

Canada8 yrs 11 mos experience
Most Likely To SwitchHighly Stable

Key Highlights

  • Co-founder and CTO with extensive leadership experience.
  • Expert in software development and system architecture.
  • Proven track record in project management and team leadership.
Stackforce AI infers this person is a Software Development Leader with expertise in SaaS and Fintech.

Contact

Skills

Core Skills

ScalaPython

Other Skills

AkkaDjangoJavaSQLC#gitJavaScriptMySQLPHPjQuerySubversion

Experience

8 yrs 11 mos
Total Experience
1 yr 3 mos
Average Tenure
2 yrs 9 mos
Current Experience

Mavis

Co-Founder

Feb 2025Present · 1 yr 2 mos

  • https://mavislabs.ai/

Flint

Co-Founder, CTO

Jul 2023Present · 2 yrs 9 mos

Chronosphere

Member Of Technical Staff

Jan 2022Jun 2023 · 1 yr 5 mos · Toronto, Ontario, Canada

Square

4 roles

Staff Software Developer (Level 7)

Promoted

Oct 2021Jan 2022 · 3 mos

  • · Led development of a team of 3 to rewrite of a workflow engine used to coordinate what screens are displayed to customers
  • · Defined strategy for a decompose-the-monolith team to execute on, several CashApp teams were able to build outside our monolith as a result of the work taken on
  • · Led CashApp-side technical development of Square Loyalty <-> CashApp initial integration
  • · Attend CashApp’s postmortems as a member of the incident review group to find systemic issues and facilitate high quality root cause analyses

Senior Software Developer (Level 5-6)

Promoted

Oct 2019Oct 2021 · 2 yrs

Software Developer (Level 3-4)

Jul 2018Oct 2019 · 1 yr 3 mos

Software Engineer Intern

Sep 2017Dec 2017 · 3 mos · San Francisco Bay Area

Street contxt

Software Developer

May 2016Apr 2017 · 11 mos · Toronto, Ontario

  • · Improved email analytics by creating a microservice with Scala and Akka to serve an email tracking image that recorded how long an email was read
  • · Developed Spark application to download email links and run machine learning algorithms on the content to provide insights to users
  • · Lead transition away from Arquillian testing framework to API tests with JUnit

Watrhub inc.

Data Algorithms Developer

Aug 2015Apr 2016 · 8 mos · Toronto, Ontario

  • » Setup parallel program to find/download/process PDF documents from water utility websites
  • » Changed web scraping tech stack and saved 50% of monthly server bill while improving performance
  • » Wrote classifier for PDF files found on municipal websites, achieved an accuracy of 79%

Manulife financial

Prototype Solutions Developer (Co-op)

Jan 2015May 2015 · 4 mos · Waterloo

  • » Worked in 2 week sprints to create 7 functional web and mobile prototypes
  • » Performed research to identify key problems customers face and provided functioning prototypes to demonstrate solutions

Ticketfi inc.

Software Developer (Contract)

Oct 2014Nov 2014 · 1 mo

  • » Implemented WYSIWYG form creation tool
  • » Found and removed security bugs
  • » Collaborated to improve program design

The man & me

Software Developer (Contract)

Aug 2014Sep 2014 · 1 mo · Remote

  • » Developed website functionality from design spec
  • » Added share functionality to the website (Facebook, Twitter)
  • » Created dynamic sharable images with ImageMagick

Petropredict

Software Developer

May 2014Aug 2014 · 3 mos

  • » Created data parsing tools with Python to extract, transform and load over 15 gigabytes of data into a PostgreSQL database
  • » Developed foundation for a customer facing dashboard using Django and google graph API to visualize petroleum production data
  • » Collaborated with project manager and designer to launch the company's first sofware product

Mobiplus

PHP/Javascript Developer (Contract)

Nov 2013Aug 2014 · 9 mos

  • » Extended functionality of existing API
  • » Created 5 JavaScript widgets for a modular site that interfaces with a web API
  • » Updated and wrote over 50 tests for consumer facing site
  • » Created API Client in PHP to interact with XML & JSON based API with error handling

Education

University of Waterloo

Bachelor of Computer Science — Computer Science

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