Jason Pollentier

Jason Pollentier

web developer and co-founder of league lab


Over 10 years of experience building web applications central to the day-to-day operations of employers and clients. Used to working on small teams and wearing many hats from development and operations to product design and customer service.

Work History

Work History
2009 - 2015

Co-founder and Developer

League Lab

League Lab is a SaaS product that handles all facets of running recreational adult sports leagues. The software provides a public-facing website for league promotion, registration and payment, as well as extensive administrative tools. Client organization employees spend much of their work days in the application.

Responsible for all of the high-level technology decisions and architecture, as well as all back-end development and the majority of front-end development. Also handled technical operations and many other small-business necessities like customer service and bookkeeping. Other co-founers are a domain expert and a designer / product manager with some front-end web skills.


  • Worked closely with customers and potential customers to understand their needs and build suitable solutions 
  • Scaled the business and application from nothing to thousands of team registrations and tens of thousands of active users per month
  • Migrated from a "golden everything" co-located server to a cloud architecture with redundancy, monitoring, easy scaling, and push-button deployment 


  • PHP, Mysql, Javascript / JQuery, HTML, CSS / SCSS
  • Linux, Puppet, Nginx, Git, Vagrant
  • AWS: Route53, ELB, VPC, Auto-scaling, RDS, DynamoDb, Elasticache, Cloudwatch, S3
Sep 2008 - Dec 2009

QA and Product Developer

Code Systems Inc / Spoon.net

Created a functional test system to simulate GUI interactions that exercised the application virtualization engine and delivery mechanisms. Through automation scripting, a newly-built browser plugin was installed on various browsers in various Windows VMs. The plugin was activated to launch and test virtualized applications from the company's application library.

Also helped build the web service and asset management tools behind an early version of Spoon's application library.


2004 - 2009

Shepherd of Ones and Zeroes

Underdog Sports Leagues

Built the web systems used to run large adult rec leagues in Seattle and Portland.

Started from a static site with a basic sign-up form and created a unified system to promote leagues and share news, collect registration, post schedules and scores, upload photos, schedule and oversee staff, and manage equipment.

In 2009, League Lab was launched to provide these services to leagues around the country.

Apr 2004 - Dec 2008

Mathematics Instructor - Part Time

Seattle Central Community College

Taught evening courses ranging from arithmetic to pre-calculus. 


1995 - 1999

B.A. Mathematics (Magna Cum Laude)

Carleton College - Northfield, MN
  • Departmental distinction for comprehensive exam and talk on finite reflection groups
  • Independent study in complexity and computability
  • Budapest Semesters in Mathematics

Side Projects and Profiles

Etsy Sales Map                                    

A Ruby on Rails app that lets Etsy sellers view the approximate locations of their customers all on one map.


Stack Overflow