David Havl
Software Engineer at DavidHavl
London, England, United Kingdom
Summary
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SeniorDavid Havl is a seasoned software engineer and architect based in London with over a decade of commercial experience building full-stack web applications, specializing in backend systems and application architecture using JS/TS, PHP, and C#. He prefers remote, contract, or freelance roles and thrives in startup environments where he can apply creative, bleeding-edge solutions. David combines pragmatic engineering with a continual learning mindset, frequently adopting new techniques to improve scalability and maintainability. He is an active open-source contributor—his enhancements to the widely used Doctrine Migrations library added flexible configuration loading from PHP arrays and JSON and improved helper integrations and test coverage. Known for turning complex business requirements into reliable production systems, he balances hands-on development with architectural oversight.
13 years of coding experience
Stackoverflow
347reputation
42kreached
3answers
2questions
Github Skills (15)
database-migrations10
doctrine10
configuration-management10
php10
database-migration10
symfony9
symfony-ux9
testing8
json7
html6
zend-framework6
naming-conventions6
zend-db6
mysql6
yaml5
Programming languages (5)
Github contributions (5)
doctrine/migrations
Jul 2015 - Aug 2015
Doctrine Database Migrations Library
Role in this project:
Backend Developer
Backend DeveloperContributions:9 commits, 2 PRs, 5 comments in 3 days
Contributions summary:David primarily focused on enhancing the configuration and usability of the Doctrine migrations library. They extended existing helper classes to integrate with helper sets, allowing for easier access to configurations. Additionally, they introduced functionality to load configurations from PHP array and JSON files, broadening the flexibility of the library. These changes also included added tests for these new configuration loading capabilities.
database-migrationdatabase-migrations
DavidHavl/DhErrorLogging
May 2014 - Jan 2018
Full featured Error logging module for ZF2/ZF3 application
Contributions:6 releases, 70 commits, 2 PRs in 3 years 8 months
error-loggingzf3
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