Daniel Wakefield
Senior Software Engineer at Visa
London, England, United Kingdom
Summary
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Rockstar🎓
Top SchoolDaniel Wakefield is a Senior Software Engineer based in London with 11 years of experience building reliable backend systems across fintech, logistics, and enterprise domains. He has progressed through hands-on engineering roles at GoCardless, Zencargo, Resi and now Visa, consistently focusing on robustness, transactional integrity and production-ready code. His open-source contributions to GoCardless's statesman state-machine library show attention to tricky edge cases—time-dependent tests, MySQL transaction semantics, and after-transition failure handling. Comfortable improving legacy systems as well as adding features, he brings pragmatic code hygiene (Rubocop-driven cleanups) alongside meaningful tests. Known for shipping durable backend features in payment and logistics platforms, he combines deep Rails/Ruby experience with a practical sense for operational correctness. He holds a BSc in Computer Science from Aberystwyth University and favors engineering that prevents bugs before they reach production.
11 years of coding experience
10 years of employment as a software developer
Bachelor of Science - BS Computer Science, Bachelor of Science - BS Computer Science at Aberystwyth University
Stackoverflow
1reputation
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Github Skills (7)
ruby10
activerecord10
go10
state-machine10
testing10
mysql9
cicd4
Programming languages (10)
Github contributions (5)
gocardless/statesman
Aug 2017 - Apr 2021
A statesmanlike state machine library.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:6 releases, 4 reviews, 57 commits in 3 years 8 months
Contributions summary:Daniel primarily focused on improving the existing state machine library. Their commits addressed time-dependent testing issues in the ActiveRecord adapter, ensuring accurate state transition updates within MySQL. They also performed code style improvements using Rubocop and added a test to verify transactional integrity for after_commit callbacks, ensuring the library's robustness. Further contributions involved adding features like after_transition_failure and after_guard_failure callbacks.
state-machine
danwakefield/diss
Apr 2016 - May 2016
Contributions:311 pushes, 1 branch in 19 days
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