Jon Mccallum
Product Engineer at KitNDocs
Kirklees, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolJon Mccallum is a Product Engineer with nine years of full-stack experience building and scaling web and mobile products across startups and high-traffic consumer brands. He founded KitNDocs, a niche B2B/B2C SaaS used by over 100 skydivers and shipped a mobile app with NFC and offline capabilities, and now contributes product-focused engineering at PostHog. Comfortable across TypeScript/Node, PHP/.NET, React/Next and SQL databases, he blends backend architecture, CI/CD and test-driven front-end work to reliably lift conversion and performance metrics. He pairs data-informed UX improvements with rapid prototyping—having led internal A/B tooling and usability testing that materially improved conversion rates. Outside work he brings practical leadership from years mentoring apprentices and running dropzone operations, a background that surfaces in pragmatic risk-aware product decisions.
9 years of coding experience
6 years of employment as a software developer
High School GCSE, High School GCSE at Penair SchoolFirst Class Honours Bachelor’s Degree Adventure and Outdoor Management, First Class Honours Bachelor’s Degree Adventure and Outdoor Management at Solent UniversityBtec Level 3 Extended Diploma Outdoor Adventure, Btec Level 3 Extended Diploma Outdoor Adventure at Truro and Penwith College
English, French, Spanish
Stackoverflow
11reputation
547reached
1answer
1question
Github Skills (14)
git8
background-image8
github8
explore7
html6
javascript6
validation6
jquery6
trainer2
minesweeper2
transcription1
audio1
angular-app1
speech1
Programming languages (4)
Github contributions (5)
playwithbear/whatsinstandard-pokemon
Jul 2019 - Aug 2019
A Pokemon TCG format reference
Contributions:31 commits, 12 PRs, 36 pushes in 1 month
tcgpokemon-tcg
playwithbear/playwithbear.github.io
Dec 2018 - Dec 2019
Personal profile for Jon McCallum (playwithbear)
Contributions:8 PRs, 26 pushes, 3 branches in 1 year
jonpersonal-profile
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