James Westby is an experienced engineering leader with 19 years building and scaling cloud-native product teams, most recently leading engineering and product at Jetstack in Bristol. He combines hands-on back-end and test automation expertise—demonstrated by contributions to notable open-source projects like Flocker and the pure-Python Git implementation dulwich—with a track record of shipping resilient infrastructure and package-management improvements. James has moved between senior individual contributor and management roles at Canonical, Bitnami/VMware and ClusterHQ, giving him deep domain knowledge in containers, packaging and deployment workflows. Known for pragmatic problem-solving, he often focuses on testability and build systems to reduce operational risk. His MEng in Computer Science, Mathematics and Electrical Engineering underpins a systems-minded approach that blends formal rigor with product delivery.
19 years of coding experience
18 years of employment as a software developer
MEng, Computer Science, Mathematics, Electrical Engineering, MEng, Computer Science, Mathematics, Electrical Engineering at University of Bristol
Container data volume manager for your Dockerized application
Role in this project:
Back-end Developer / Test Automation Engineer
Contributions:42 commits, 69 PRs, 124 pushes in 1 month
Contributions summary:James primarily contributed to the testing infrastructure and build process of the Flocker project. Their work includes modifying test scripts and adjusting test execution based on system dependencies, specifically addressing journald availability and its implications on test behavior. The commits also involve merging branches and resolving conflicts related to test and versioning files. The user also refactored and updated existing tests to utilize newer test tools.
Contributions:12 commits, 1 PR in 8 years 3 months
Contributions summary:James primarily focused on enhancing the `dulwich` Git implementation, a pure-Python project. Their contributions included adding essential project structures such as copyright notices, licensing, and a README file to make the project more like a real-world project. They developed methods to retrieve objects of specific types and implemented a revision history feature, which required enhancements to the `Commit` object. Furthermore, the user improved error handling and introduced pack handling capabilities to improve the Git object retrieval functionality.
pythonversion-controlmercuriallibgit2git-addons
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