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Jon Lunsford

Jon Lunsford

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Rising Codementor
US$8.00
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ABOUT ME
Sr. Software Engineer, Tech Lead, with 13+ years of experience
Sr. Software Engineer, Tech Lead, with 13+ years of experience

Hi there! I've worked at high growth startups, agencies and large corporations. I know what it takes to tackle large, complex problems that have a significant impact. I'd love to hear about what you're working on!

English
Pacific Time (US & Canada) (-07:00)
Joined September 2022
EXPERTISE
System design
10 years experience
AWS
AWS

REVIEWS FROM CLIENTS

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SOCIAL PRESENCE
Stack Overflow
355 Reputation
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2
14
EMPLOYMENTS
Senior Software Engineer - Tech Lead
ConvertKit
2017-01-01-Present
  • Lead developer of mission critical billing infrastructure, ensuring processing of $3,000,000 in monthly revenue....
  • Lead developer of mission critical billing infrastructure, ensuring processing of $3,000,000 in monthly revenue.
  • Introduced initiatives for customer retention, recovering over $20,000 in monthly revenue and reducing churn by 4%.
  • Pioneered machine learning and behavioral analysis tools for fraud prevention, saving over $200,000 in losses.
  • Implemented cost effective, horizontally scalable, reporting backend processing 60,000 events per second.
  • Developed real-time engagement scoring of customer subscribers, processing 200,000 events per minute.
  • Contributed to public REST APIs serving thousands of requests per second.
  • Mentored junior developers on Object Oriented Design and Software Testing best practices.
Ruby
HTML/CSS
Python
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Ruby
HTML/CSS
Python
Ruby on Rails
MySQL
Git
GitHub
RSpec
Redis
Machine learning
Cassandra
Elasticsearch
Domain-Driven Design
Jira
Test driven development
Mocha
React
Elixir
Jest
Microservices
Terraform
Helm
Elastic Stack
Tailwind css
AWS
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Senior Software Engineer
Kannu (formerly Kadenze)
2014-11-01-2017-01-01
  • Refactored problematic database designs, improving performance in classroom forums by as much as 50%.
  • Re...
  • Refactored problematic database designs, improving performance in classroom forums by as much as 50%.
  • Reduced reported errors by 10% by speeding up test feedback and educating others on best practices.
  • Implemented complex full stack features enabling thousands of students to complete interactive video courses.
  • Collaborated with designers and marketers to deliver education features to hundreds of universities globally.
Ruby
Ruby on Rails
Backbone.js
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Ruby
Ruby on Rails
Backbone.js
PostgreSQL
RSpec
Redis
Jira
Test driven development
Ember.js
Knockout
JavaScript
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Front-End Engineer
Mindbody
2012-08-01-2014-11-01
  • Introduced testing on the front end, reducing errors reported by 17%.
  • Optimized front-end best practices...
  • Introduced testing on the front end, reducing errors reported by 17%.
  • Optimized front-end best practices, resulting in a 2x increase in the number of features delivered.
  • Practiced Agile on a scrum team consisting of seven, in a department of 16 scrum teams.
  • Led regular interactive training sessions for 20+ engineers on front-end best practices, fostering continuous learning.
C#
jQuery
Razor
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C#
jQuery
Razor
JUnit
Knockout
JavaScript
Jest
ASP.NET
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PROJECTS
DevStoryView Project
2022
Resume's & CV'sFor Developers Traditional resume's and CV's don't communicate the evolving work and contributions of developers. Your wo...
Resume's & CV'sFor Developers Traditional resume's and CV's don't communicate the evolving work and contributions of developers. Your work history is a story to tell. Find your next role by sharing your DevStory.
Elixir
Phoenix Framework
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Elixir
Phoenix Framework
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Syndicate AppView Project
2019
Automate email arrivals to your inbox with powerful rules. Take control of your Syndication.
Automate email arrivals to your inbox with powerful rules. Take control of your Syndication.
Elixir
Phoenix Framework
Elixir
Phoenix Framework