Available to hire
Hi, I’m Harpreet Kaur Gill, a Senior PHP Developer with over eight years of experience delivering robust web applications using PHP, Laravel, Symfony, CakePHP, and WordPress. I enjoy architecting scalable solutions, mentoring engineers, and delivering high-quality code on AWS, Docker, and modern frontend toolchains.
I thrive in collaborative, Agile environments, collaborating with product teams to clarify requirements, strategize technical decisions, and continuously learn new technologies to improve performance, reliability, and user experience.
Experience Level
Work Experience
Sr. PHP Developer at PayPal
May 1, 2024 - November 25, 2025Migrated Symfony 4 to the latest stable version (Symfony 6.4). Developed multiple microservices using Laravel and Symfony to improve scalability and performance. Led a team of 4 engineers, mentored and unblocked blockers to meet deadlines. Designed and implemented RESTful APIs to deliver content. Improved asynchronous processing with AWS SQS and Symfony Messenger, and used AWS SNS to broadcast notifications about content delivery activation status. Enhanced code quality with extensive unit tests using PHPUnit. Designed a workflow monitoring system enabling near real-time accuracy and deployed AWS CloudFormation templates to automate deployment. Used Xdebug for debugging.
Sr. PHP Developer at NCR Voyix Corporation
April 30, 2024 - April 30, 2024Integrated PayPal Pay and Google Pay with the Order module. Migrated Symfony 3.4 to Symfony 6.0. Implemented OpenID Connect for SSO with IDPs. Designed RESTful APIs and led technical workshops with Product teams to accelerate delivery. Improved asynchronous processing via Lambda. Leveraged Laravel Service Containers, Observers, and Event Listeners for maintainability. Contributed to architecture decisions and participated in Scrum ceremonies. Implemented GitHub Actions for CI/CD.
Sr. PHP Developer at NCR Voyix Corporation
May 31, 2023 - May 31, 2023Developed Laravel-based business logic and performed database design and normalization. Wrote automated unit tests with PHPUnit. Added plugins to expand features and productivity using PhpStorm. Contributed to React-Router to convert the app to a single-page application. Frontend development included HTML5, CSS, JavaScript, and JSON. Maintained client communications and followed Agile/Scrum. Migrated to AWS cloud; managed project tracking with Jira/Confluence.
PHP Developer - II at HDFC Bank
December 31, 2020 - December 31, 2020Developed CakePHP solutions in an Agile environment, including customization of CakePHP themes and integration of API features. Helped design flexible content types and ensured security and performance. Used Jira for bug tracking and followed Agile/SCRUM. Created unit tests with PHPUnit and Selenium; worked with WordPress; deployed on AWS and Linux environments.
PHP Developer at HDFC Bank
December 31, 2018 - December 31, 2018Redesigned main website and migrated from PERL to PHP. Worked with Laravel/Symfony for filtering, decoding, and encoding security. Developed RESTful APIs, WordPress plugins, and dynamic front-end pages (HTML/CSS/JS). Installed and configured Laravel on Linux servers; performed end-to-end backend and frontend development; conducted extensive testing.
Sr. PHP Developer at Pay Pal
May 1, 2024 - PresentMigrated Symfony 4 codebase to the latest stable version (Symfony 6.4); developed multiple microservices using Laravel and Symfony; led a team of 4 engineers, mentored and coached them to meet deadlines; designed and implemented RESTful APIs for delivering content; improved asynchronous processing with AWS SQS and Symfony Messenger; utilized AWS SNS to broadcast notifications; enhanced code quality with extensive unit tests using PHPUnit; designed and implemented a workflow monitoring system with near real-time accuracy; created AWS CloudFormation templates to automate deployment; utilized Xdebug for debugging.
Sr. PHP Developer at NCR Voyix Corporation
January 1, 2021 - May 31, 2023Programmed business logic in PHP using Laravel MVC; worked with the LAMP stack on Ubuntu; designed and normalized database schemas; wrote automated unit tests with PHPUnit; added plugins to expand features via PHPStorm; contributed to React-Router for SPA; converted mockups into frontend using HTML5, CSS, JavaScript; provided strategies for data migration to AWS cloud; managed client communications; worked in Agile/Scrum and used Jira.
PHP Developer - II at HDFC Bank
January 1, 2019 - December 31, 2020Developed CakePHP solutions in an Agile environment; customized CakePHP themes; utilizing CakePHP APIs to integrate functionalities; designed flexible content types and fields; focused on security and performance; used Jira for bug tracking; practiced Agile/Scrum; set up testing environments with PHPUnit and Selenium; built and maintained PHP/Laravel/MySQL applications; used PhpStorm and AWS; performed SQL tuning and PL/SQL optimization.
PHP Developer at HDFC Bank
August 1, 2017 - December 31, 2018Re-designed and developed the main website, migrating from PERL to PHP; worked with Laravel/Symfony for filtering, decoding, and encoding security; developed RESTful APIs; front-end development with HTML, CSS, JavaScript; created WordPress plugins; performed unit testing with PHPUnit; leveraged AWS and Linux environments; engaged in full-stack development across back-end and front-end.
Education
Bachelor's Degree in Business Administration at Carlox’s Teachers University
January 1, 2014 - January 1, 2017Bachelor's Degree in Business Administration at Carlox’s Teachers University
January 1, 2014 - December 31, 2017Qualifications
Industry Experience
Software & Internet, Financial Services, Professional Services, Education
Experience Level
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