John Stephenson
Director at HSBC
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolJohn Stephenson is a seasoned technology leader and Director based in London with over 20 years’ experience turning complex financial and enterprise problems into resilient, measurable systems. He combines hands-on engineering—spanning C++, C#, Java, Scala, and TypeScript—with senior architecture and CTO-level strategy, having led migrations, zero-downtime CI/CD and secure cloud platforms for global banks. Known for embedding BDD/TDD and developer-friendly infrastructure, he consistently improves delivery speed and quality while reducing operational and hiring costs. John excels at unblocking multi-timezone, cross-functional teams and building stakeholder trust through transparent, forecast-driven reporting. An advocate for pragmatic engineering standards, he has a track record of delivering high-impact UX and performance gains (including a 40% improvement in key journeys) alongside enterprise-grade security and compliance.
11 years of coding experience
18 years of employment as a software developer
First Class BSc Hons Computer Science, First Class BSc Hons Computer Science at Loughborough UniversityA Level Computing Maths Chemistry, A Level Computing Maths Chemistry at Blackburn College, England
Spanish, Polish
Stackoverflow
501reputation
16kreached
9answers
10questions
Github Skills (200)
testing10
command-line-interface10
qunit10
browser10
cucumber10
browsersync10
amazon10
react-table10
test-reporting10
datatable10
charting10
docker-container10
pagination10
angular-grid10
graph10
Programming languages (7)
Github contributions (5)
jfstephe/aws-s3-lock
Apr 2022 - Aug 2022
Contributions:5 commits, 20 pushes, 1 branch in 3 months
jfstephe/cognito-backup-restore
Mar 2022 - Mar 2023
AIO Tool for backing up and restoring AWS Cognito User Pools
Contributions:1 PR, 5 pushes in 11 months
user-poolsrestoreaws-cognitocognitorestoring
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.