George Badu is a Senior Staff Engineer based in London with 11 years of hands-on experience building backend systems and scalable web platforms across finance, commerce, and travel tech. He has progressed through senior engineering roles at HSBC, Reaction Commerce and StoneX, contributing to production-grade APIs, GraphQL resolvers and permission systems for open commerce platforms deployed with Docker and Kubernetes. Comfortable in both fast-paced startups and large enterprises, he combines practical engineering with code refactors that improve modularity, context handling and test coverage. Known for adapting quickly to changing tech landscapes, he pairs a MSc in Computer Science from Queen Mary University with a track record of shipping reliable account and permission management features in well-known open-source projects.
10 years of coding experience
14 years of employment as a software developer
Master of Science (MSc) Computer Science, Master of Science (MSc) Computer Science at Queen Mary University of London
Mailchimp Open Commerce is an API-first, headless commerce platform built using Node.js, React, GraphQL. Deployed via Docker and Kubernetes.
Role in this project:
Back-end Developer
Contributions:29 commits, 11 PRs, 52 pushes in 14 days
Contributions summary:George primarily contributed to the development of backend features related to creating and managing permission groups within the Reaction Commerce platform. Their work involved creating GraphQL resolvers, mutations, and associated tests for group creation. They also refactored the code to improve modularity and ensure proper use of context, including database interactions and permission validations. The user's contributions focused on defining and implementing core functionalities for the platform's account management system.
Contributions:151 pushes, 1 branch in 1 year 11 months
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George Badu - Senior Staff Engineer at StoneX Group Inc.