Neil Mccallion
Lead Software Engineer at Rapid7
Belfast, Northern Ireland, United Kingdom
Summary
👤
Senior🎓
Top SchoolNeil Mccallion is a Lead Software Engineer and seasoned engineering manager with 11 years of experience building high-quality web applications and payments systems from Belfast. He blends hands-on JavaScript and browser expertise (React, Redux, TypeScript, Web Audio, performance tuning) with people leadership—mentoring engineers, running recruitment, and shaping delivery at scale. Neil has a track record of modernising legacy interactive experiences (notably porting a large Flash-based music library to modern Web Audio and React) while also leading product-facing engineering teams at Lightspeed/Rapid7. He prioritises developer experience, iterative delivery and UX, and brings a creative-coding mindset that spans games, audiovisual projects and tooling. Known for turning prototypical POCs into reusable components and coaching others to do the same, he pairs technical depth with pragmatic delivery.
11 years of coding experience
11 years of employment as a software developer
Bachelor of Arts (B.A.), Bachelor of Arts (B.A.) at Ulster University
English
Github Skills (17)
jam8
ludum-dare7
skeleton7
jekyll6
static-site5
javascript4
slack-bot2
spotify2
playing1
web-application1
music1
generative1
audio1
sonos1
web-audio-api1
Programming languages (2)
Github contributions (5)
njmcode/modular-drum-app
Mar 2015 - Apr 2018
Contributions:8 commits, 26 pushes, 1 branch in 3 years 1 month
njmcode/njmcode.github.io
Jul 2016 - Mar 2023
Contributions:6 releases, 2 PRs, 47 pushes in 6 years 9 months
reactenhancementone-pagertestingjavascript
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