Ion Bazan
Software Engineer at Wise
Singapore
Summary
🤩
Rockstar🎓
Top SchoolIon Bazan is a seasoned software engineer with 13 years of experience building scalable backend systems and payment platforms across APAC, currently based in Singapore. He has led teams and architected finance and banking solutions, driving migrations to containerized and serverless infrastructures while improving CI/CD and observability. A long-time PHP maintainer and contributor, Ion works on high-profile projects like Doctrine MongoDB ODM, Composer/Packagist and Symfony polyfills, bringing deep expertise in code generation, reflection APIs and modern PHP features. He pairs hands-on engineering—adding enum and attribute support, enhancing test suites, and fixing platform compatibility—with pragmatic platform leadership that reduces operational costs (e.g., GitHub self-hosted runners) and developer friction. Notably, he has implemented features that directly improve runtime and developer ergonomics (high-resolution timing, PHPUnit compatibility) and shipped OCR automation that cut manual processing time by 90%. Ion blends open-source stewardship with product-focused delivery, making him effective across code, architecture, and team growth.
13 years of coding experience
9 years of employment as a software developer
Bachelor's degree Computer Science, Bachelor's degree Computer Science at The Silesian University of Technology
Polish, English, Russian
Stackoverflow
808reputation
606kreached
25answers
4questions
Github Skills (43)
back-end-development10
testing10
authentication10
reflection-api10
data-serialization10
user-authentication10
poly10
mongodb-database10
phpunit10
serialization10
mappings10
two-factor-authentication10
php10
code-generation10
aggregations10
Programming languages (14)
Github contributions (5)
symfony/polyfill
May 2018 - Nov 2022
PHP polyfills
Role in this project:
Back-end Developer
Back-end DeveloperContributions:19 reviews, 13 commits, 15 PRs in 4 years 7 months
Contributions summary:Ion primarily contributed to the Symfony polyfill library, focusing on providing implementations for newer PHP functions and features. Their work included adding the `hrtime()` function for high-resolution timing, integrating PHPUnit test listeners to support different PHPUnit versions and ensure compatibility with polyfills, and implementing new functions like `fdiv()`, `str_contains()`, and `get_resource_id()` for PHP 8.0 and 8.1. The contributions aimed to enhance PHP's capabilities and ensure backward compatibility across different versions.
polyfillssymfony-componentpolyfillphpportability
doctrine/DoctrineMongoDBBundle
Aug 2021 - Jan 2023
Integrates Doctrine MongoDB ODM with Symfony
Role in this project:Back-end Developer
Back-end DeveloperContributions:31 reviews, 33 commits, 21 PRs in 1 year 5 months
Contributions summary:Ion contributed to the integration of Doctrine MongoDB ODM with Symfony, adding support for features like a Stopwatch for command logging and tests. Their work involved modifying extension files, adding new command logger classes, and creating test cases to validate the integration's functionality. The user's changes focused on enhancing the bundle's capabilities related to performance monitoring and ensuring proper operation within a Symfony environment.
mongosymfony-bundlephpdoctrine-odm-mongodbmongodb-odm
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