Andrew Williams
Staff Software Engineer at Checkout.com
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolAndrew Williams is a Staff Software Engineer based in London with 12 years of professional experience building resilient, high-performance web and microservice systems. He brings deep expertise in C#, JavaScript/Node.js, SQL, and both Windows and Linux environments, having led greenfield projects from bespoke applications to fraud-detection rules engines with custom DSLs and backtesting at Checkout.com. Comfortable across the full stack, Andrew has driven migrations (e.g., Lucene to Elasticsearch), cloud-native deployments with Docker/Kubernetes on AWS, and pragmatic architectural choices that balance performance, fault tolerance and maintainability. He’s mentored and led teams, producing production-grade solutions with strong test coverage and thoughtful refactoring to reduce complexity. Colleagues know him as a curious, multi-interest developer (Andy) who combines hands-on engineering with an eye for product impact and operational robustness.
12 years of coding experience
12 years of employment as a software developer
BSc (Hons) Software Development, BSc (Hons) Software Development at The University of HuddersfieldNational Diploma (IT Practitioners) Software Development, National Diploma (IT Practitioners) Software Development at York College, York UK
English
Stackoverflow
490reputation
59kreached
31answers
1question
Github Skills (75)
pluggable10
url-parsing10
design-patterns10
spider10
crawler10
extractor10
owin10
java10
extension-methods10
abot10
named-pipes10
unit-testing10
web-crawler10
couchbase10
parsing10
Programming languages (4)
Github contributions (5)
andy-williams/Magick.NET.WebImageExtensions
Jun 2019 - Aug 2019
Lightweight extension methods for Magick.NET for typincal cropping, scaling and resizing for the web.
Contributions:11 commits, 2 PRs, 11 pushes in 1 month
scalingdotnetmagickcsharpextension-methods
andy-williams/dotnet-core-dapper-cqrs
Jun 2018 - Oct 2019
Contributions:22 commits, 16 pushes, 1 branch in 1 year 3 months
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