Hi, I'm Callum Kerr

Professional WordPress and Shopify web engineer · hobbyist photographer · creative problem solver

About me

I'm an Edinburgh-based professional web engineer, and I take a picture now and then.

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Take a look at some of the highlights from my professional and freelance work portfolios

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I mostly talk about my work, technology, privacy and security, and other things I find interesting.

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Work with me

I maintain a portfolio of bespoke websites, please take a look at what I can do for you.

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Latest from my blog

One year on AWS

· Reading time: 2 minutes

Admittedly it’s a little more than a year! Here’s a look back on the time I’ve been running my AWS-hosted server. I moved away from the fine folks at Media Temple back in mid-2020 and built my own server running on AWS. If you want to read more about that, take a look at my […]

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Dropbox to AWS S3 Glacier Deep Archive – how I reduced my online backup costs by over 90%

· Reading time: 8 minutes

I got a bit tired of paying £9.99 a month for Dropbox, so I explored cheaper options and after figuring out the inner workings, AWS S3 Glacier Deep Archive is the solution. I’ve been meaning to write this up for a wee while now. I originally implemented this process back in mid-2019 and it’s been […]

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AWS RDS disaster recovery

· Reading time: 5 minutes

In mid-April, I found myself up late on a Saturday night working away on enhancements to my WP Practice system, when I accidentally nuked one of my development environments. Fun ensued. I was building an enhancement to the “Delete account” functionality offered to patients (part of GDPR features). I built the original functionality quickly and […]

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