Oscar Duignan
Senior Full-Stack Developer Tech Lead at HM Revenue & Customs
London, England, United Kingdom
Summary
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SeniorOscar Duignan is a Senior Full-Stack Developer and Tech Lead with 16 years' experience delivering web services and APIs across public sector and commercial projects. Based in London and currently leading Platform UI at HM Revenue & Customs, he helps teams prototype tax services using Scala, Play, and the GOV.UK Design System while championing usable, accessible interfaces. As founder of Mutualism Limited he combines consultancy agility with enterprise experience from Hargreaves Lansdown and a long agency background at Binary Vision, spanning frontend, backend and DevOps. He has practical experience implementing payments and regulatory compliance (PSD2/SCA) and building rapid prototypes for complex government services. A Bristol-based dad of three who open-sources and builds “for people on the web,” he brings a pragmatic, people-focused approach to engineering and product decisions.
17 years of coding experience
11 years of employment as a software developer
English
Stackoverflow
91reputation
16kreached
2answers
0questions
Github Skills (51)
static-assets10
selenium9
plug9
prototyping9
frontend8
react8
dotnet8
wrapping8
autocomplete8
java8
webdriver8
null-safety7
javascript7
typeahead7
ruby7
Programming languages (15)
Github contributions (5)
hmrc/sbt-accessibility-linter
Jul 2021 - Jul 2024
Contributions:49 reviews, 12 PRs, 10 pushes in 3 years 1 month
hmrc/hmrc-frontend
Apr 2021 - Dec 2022
Contributions:421 reviews, 37 commits, 115 PRs in 1 year 8 months
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