Ashley Peacock is a staff engineer and architect working in the UK tech industry with over 10 years of experience. He's an avid user of diagrams, and a huge advocate for their power in conveying ideas, documenting architectures, and whiteboarding problems. He has experience across the tech stack, with particular focus on backend technologies, having worked with C#, Ruby and PHP. He also has significant experience working with APIs and asychronous architectures, in particular working with Apache Kafka.