Joss Moffatt
SDE III at Capital One
Nottingham, England, United Kingdom
Summary
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Senior🎓
Top SchoolJoss Moffatt is an SDE III at Capital One with nine years of engineering experience and a strong academic foundation (MEng Computer Science, First Class) from the University of Manchester. He blends research interests in logic and automated reasoning with practical expertise in building resilient serverless workflows, ML platform architecture, and event-driven systems. At Capital One he progressed rapidly from intern to senior engineer, modernising testing practices (including mutation testing) and building automated Step Function testing frameworks. A maintainer of the open-source polywit project and an active GitHub contributor, he brings both product-focused engineering and open-source stewardship to complex systems. Based in Nottingham, he pairs rigorous formal thinking with hands-on delivery across distributed, event-driven, and security-conscious software.
9 years of coding experience
1 year of employment as a software developer
MEng, Computer Science, 1st Class (Hons), MEng, Computer Science, 1st Class (Hons) at The University of ManchesterA-Levels: Maths (A*) Further Maths (A*) Physics (A) Computer Science (A), A-Levels: Maths (A*) Further Maths (A*) Physics (A) Computer Science (A) at Rushcliffe School
Stackoverflow
1reputation
0reached
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Github Skills (46)
loadtest10
performance-testing10
gatling10
netty9
java9
cicd9
herokuapp9
poly9
kotlin9
automation9
load-testing9
spotify8
typescript8
scala8
validation8
Programming languages (6)
Github contributions (5)
wit4java/wit4java
Apr 2022 - Nov 2022
An execution-based violation-witness validator for Java
Contributions:1 release, 1 review, 77 commits in 7 months
javasv-compvalidationpython
jossmoff/gatling-stepfunction-extension
Apr 2023 - Sep 2024
⚡ A Gatling extension to analyse the execution of a step function
Contributions:15 releases, 10 reviews, 66 PRs in 1 year 4 months
gatlingstep-functionsawsgatling-extensionload-testing
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