Code Camp Wellington
Tech Profiles

Latest Tech Profile

Ian Rayns

Ian Rayns

Principal Engineer at Xero

What's a piece of advice you wish you received (and followed!) earlier in your career?

Teaching others to fish (not literally). Although I'd mentored grads early in my career, I hadn't fully appreciated the power of teaching others in the team regardless of their level of experience. It's often too easy to carry on with what you're good at when amongst the weeds, but I found a real sense of pride empowering others to tackle pieces of work I would have previously tackled.

Which project (personal or professional) have you had the most fun with lately?

During lockdown our dog's food was out of stock everywhere. Bored one day I set up a Lambda function to check online stock levels and to send me an email when it was back in stock. Recently, a colleague mentioned that he was getting up at 6am to book on a gym class a week in advance, and if he didn't book it straight away he'd miss out. The Lambda function has been resurrected and will be booking his gym classes shortly =D

Which (possibly less well known) software/gadget/plugin/etc is something you couldn't live without and that you’d recommend to others?

A tool called Batect. It's developed and maintained by a lead engineer from Thoughtworks, and everything docker compose could have been. If you build and work with containerised applications, you'll find this invaluable. There's no more 'it works on my machine' because all build and test steps run within containers, meaning all that's required is Docker to be installed on the host's machine. Another awesome benefit is that CICD pipelines become extremely lightweight as it executes a series of batect commands - exactly the same as what's ran on an engineer's machine.

Rachel Collingridge

Rachel Collingridge

Head of Engineering at Xero

What has been your toughest lesson to learn in your career so far?

To replace ruinous empathy with radical candour, because being nice is not always kind in the longer term (watch the Radical Candor TED Talk)

What books have greatly influenced your career that you’d recommend to others?

Which (possibly less well known) software/gadget/plugin/etc is something you couldn't live without and that you'd recommend to others?

Twitter's bookmark function, and Pocket's Chrome extension - helping me to find the great articles I've read and lost.

Marvel, DC, or something else?

Thor Ragnorak still makes me laugh so much. Humour is essential! That's why the OG Star Wars films are better than all the rest.

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