Andrew Retmanski
Director at Supercar Breakfast Club Ltd.
England, United Kingdom
Summary
👤
Senior🎓
Top SchoolAndrew Retmanski is a seasoned Director and hands-on technical leader with 20+ years building high-impact web platforms across government, fintech, e-commerce and SaaS, and a decade of focused senior engineering experience in Ruby on Rails. He founded and commercially operates Headscratcher.world, a subscription puzzle platform built with modern Rails stack (Hotwire, Tailwind, PWA) that spans web, automated publishing and analytics pipelines. Known for modernising legacy systems, designing scalable architectures and shipping business-critical software at pace, he blends pragmatic TDD-driven engineering with stakeholder-facing product sense. He’s comfortable toggling between coding, architecture and team leadership, having led cross-functional teams at organisations from the Ministry of Justice to Marks & Spencer. A proven mentor and process improver, he repeatedly introduces CI/CD, automated testing and monitoring to raise delivery velocity and reliability. Beyond standard tech leadership, he has hands-on experience integrating payments, KYC/AML and blockchain token-sale platforms, showing uncommon breadth across regulated and consumer-facing systems.
10 years of coding experience
11 years of employment as a software developer
Bsc, Computer Science & Electronics, Bsc, Computer Science & Electronics at Keele University
Github Skills (11)
api10
nodejs6
rendering6
cloud-platform5
react5
frontend5
rails-api4
pagination2
ruby2
rails2
go2
Programming languages (4)
Github contributions (5)
smoothcontract/basket
Apr 2017 - Jun 2017
Contributions:1 PR, 2 pushes, 2 branches in 2 months
spring-bootshopping-baskettestingdockerbasket
ministryofjustice/hmpps-book-secure-move-api
Mar 2020 - Mar 2021
HMPPS Book a secure move API
Contributions:395 reviews, 424 commits, 286 PRs in 11 months
secureapihmppsbook-secure-movepecs-move-platform
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