Callum Boddy - IOS Engineer at Hole19

Callum Boddy

IOS Engineer at Hole19

London, England, United Kingdom

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Summary

👤

Senior

🎓

Top School

Callum Boddy is an iOS engineer with 11 years of experience building and leading mobile teams across startups and major UK companies, currently working at Hole19 after recent roles at Instagram and BeReal. He has repeatedly taken lead engineering roles for product delivery—shipping apps from pre-seed to enterprise—and runs his own educational app studio, e8 Studios. Callum contributes to open-source iOS tooling (notably enhancing Facebook’s FBTweak with a hex color picker and improved UI), reflecting a focus on developer ergonomics and code quality. His background spans fintech, energy, media and retail (NatWest, Octopus Energy, News UK, Argos), bringing pragmatic, cross-industry product thinking to mobile engineering. Based in London with a Computer Science degree from Royal Holloway, he pairs hands-on Swift/Objective-C delivery with experience in rapid prototyping and team leadership.

11 years of coding experience

9 years of employment as a software developer

Bachelor of Science (BSc) Computer Science, Bachelor of Science (BSc) Computer Science at Royal Holloway, University of London

Mathematics, Mathematics at Wellington School, Somerset

English

Stackoverflow

Stats

407reputation

29kreached

13answers

0questions

Github Skills (12)

objective-c10

ios10

uicolor10

implement9

color-picker8

tableview8

spritekit6

uisegmentedcontrol6

swift6

firebase-cloud-messaging6

firebase-realtime-database6

firebase6

Programming languages (4)

TypeScriptCSSObjective-CSwift

Github contributions (5)

facebookarchive/Tweaks

Feb 2016 - Mar 2016

An easy way to fine-tune, and adjust parameters for iOS apps in development.

Role in this project:

Mobile Developer (iOS)

Contributions:8 commits, 1 PR, 4 comments in 5 days

Contributions summary:Callum contributed significantly to the `FBTweak` project, a tool for fine-tuning iOS app parameters. They added a new hex color picker data source, implemented a segmented control to switch between color input methods (RGB, HSB, Hex), and integrated the new hex data source into the UI. They also refined the code with consistent indentation, showing a focus on code quality and usability within the iOS development context.

cocoapodsparametersfinetuneswift

callumboddy/Relayout

Feb 2017 - Mar 2024

Swift microframework for declaring Auto Layout constraints functionally

Contributions:2 pushes, 1 branch in 7 years 1 month

layoutswiftauto-layoutmicroframework

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