Sam Christy
Staff Software Engineer at Marks and Spencer
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolSam Christy is a Staff Software Engineer in London with 14 years delivering full-stack systems and platform architecture across retail, e-learning and consumer marketplaces. Currently leading a 10-engineer platform team at Marks & Spencer, he has shipped novel React/TypeScript and Node.js products as a tech lead and is driving M&S’s GraphQL strategy. He brings deep practical experience introducing GraphQL (including DataLoader and federation patterns), building BFFs and resilient messaging services, and radically improving query performance and search conversion. Sam pairs hands-on coding with security-minded engineering—having patched critical vulnerabilities and implemented mitigations for message-evasion attacks—and has a track record of automating operational flows and scaling CI/CD and IaC on AWS. Notably, he consistently moves between product-focused feature delivery and low-level performance/security improvements, making him effective across strategy and execution.
14 years of coding experience
9 years of employment as a software developer
Wallington County Grammar School
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (19)
sudoku10
imagemagick10
solver9
drawing9
php9
charts8
portal7
laravel7
browser7
moodle7
mhealth6
lms6
learning-management-system6
graphql5
elearning5
Programming languages (2)
Github contributions (5)
SamChristy/PieChart
Jun 2012 - Aug 2018
A simple class for drawing Pie Charts with ImageMagick or GD in PHP.
Contributions:53 commits, 1 PR, 2 pushes in 6 years 3 months
chartspie-chartsphppieimagemagick
SamChristy/trajectory.js
Mar 2012 - May 2021
Contributions:66 commits, 1 push in 9 years 3 months
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