Design, develop, and maintain scalable billing and payment-processing systems using C# and PHP. Lead architecture, code reviews, mentoring, CI/CD improvements, monitoring, security, database optimization, and production issue resolution. Use Claude and Cursor daily while validating AI-generated code for correctness, security, performance, and maintainability. Collaborate with product, development, and QA teams to deliver reliable, PCI DSS-compliant software.

Own tactical delivery for Billing and Data platform teams by managing backlogs, writing user stories and acceptance criteria, coordinating Agile ceremonies and releases, conducting UAT, and validating data with BigQuery SQL. Serve as the subject matter expert across billing platforms and GCP data pipelines, align stakeholders and engineering teams, support MVP definition, identify platform risks, and provide product training and communications.