Hello, my name is

Andy AppletonHere I am at a coffee shop before going skateboarding. I look happy because I don’t know that later I’m going to fall and hurt my knee.Notting Hill2026

I work at PoolsidePoolsideFounding engineer & product engineering lead working on a bit of everything but primarily native, web and IDE based coding agents.Try out the Poolside macOS app.poolside.ai2024 – present as product engineering lead.

Before, I worked at PlaidPlaidEngineer working on my.plaid.com and identity verification products.plaid.com2019 – 2024, GitHubGitHubLead the team that built v1 of GitHub Actions.github.com2018 – 2019, HerokuHerokuTeam lead building Review Apps, Heroku Pipelines and Heroku CI.heroku.com2014 – 2017, GoCardlessGoCardlessProduct engineer. History shows my most notable contribution was picking the manage.gocardless.com subdomain (because portal. was in use at the time).Original author of the Ruby state machine library, Statesman.gocardless.com2013 – 2014 and Mint DigitalMint DigitalWorked on lots of client projects, the most interesting was a simulation of an inflatable penis that would eventually explode for a Channel 4 program companion website.mintdigital.com2011 – 2012.

You can find me in the usual places