David is the Director of Architecture for NewDay, and the founder of Electric Head Software. Focusing on iterative software delivery, developer mentoring and cultural change - mostly working with London-based organisations.

He speaks about software design, culture, and ethics in technology - rounded out by an assortment of talks about software that probably doesn't need to exist but makes the world a little more fun. David has previously served as the chief coding technical architect for JustGiving and helped market-leading organisations including JUST-EAT, Trainline and Vodafone improve their technical capabilities.

David is a Microsoft MVP, has been part of the OpenUK Honours list for open-source advocacy, and is a twice bestselling author of children's books about programming.

There's a chance you've seen him talk at a spread of conferences, user groups and code-dojos around the UK over the last decade or indulged in bar-room programming debates after one.

You can find his open-source projects on NuGet, npm and GitHub, follow him on BlueSky @davidwhitney.co.uk, or check out his technical blog at www.davidwhitney.co.uk/Blog.You can find David on the following sites:

• Bluesky
• X
• Mastodon
• Threads
• GitHub

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Coffee and Open Source is hosted by Isaac Levin