David Maddison
Analyst Programmer at Career Break
Northwich, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolDavid Maddison is an experienced Analyst Programmer with over 20 years delivering software for finance and banking, proficient in Microsoft .NET (C#, VB.NET), classic Visual Basic, SQL Server, Informix and Oracle. He has combined long-term hands-on development and team leadership—most notably as Senior Analyst Programmer and Development Manager at Close Asset Management—while later contributing to enterprise projects at Thermo Fisher Scientific. Currently on a career break to support family, he continues to keep skills current through personal C# and SQL Server projects, demonstrating practical commitment to continuous learning. Based in Northwich, UK, David brings deep domain knowledge of financial systems and a pragmatic, stability-first approach to software maintenance and evolution. An understated strength is his experience bridging legacy platforms and modern Microsoft stacks, making him effective at migrating and sustaining mission-critical applications.
20 years of coding experience
21 years of employment as a software developer
Holmes Chapel Comprehensive
Github Skills (16)
javascript10
inference8
api7
biodiversity5
describe5
bioinformatics5
biodiversity-informatics5
collections4
react4
evolution4
phylogenetics4
taxonomy4
nomenclature3
bayesian-inference3
ruby2
Programming languages (4)
Github contributions (5)
MesquiteProject/Cartographer
Jun 2016 - Apr 2026
Contributions:5 releases, 21 PRs, 52 pushes in 10 years
MesquiteProject/Mesquite-Zephyr
Mar 2013 - Feb 2022
Zephyr is package for connecting Mesquite to other phylogenetic inference software
Contributions:14 releases, 601 commits, 54 PRs in 9 years 1 month
inference
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