Andrew Berg

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SeniorFull-StackEngineer

Pinterest

Apr 2020 - Current (6 years 1 month)

• Led a team of five software engineers to consolidate advertising reporting event logging and migrate to Apache Iceberg, significantly optimizing storage efficiency and query performance using Python-based services and React frontends. Achieved annual infrastructure cost savings of $1.5M. • Designed and implemented major components of Pinterest Ads Manager's backend infrastructure using Python, with frontend applications developed using React.js, delivering robust advertiser metrics and enhanced user experiences. Utilized AWS services extensively, including EC2, S3, Lambda, and RDS, ensuring scalability and reliability. • Developed comprehensive CI/CD pipelines leveraging Azure DevOps for automated testing, integration, and deployment o
Full-StackEngineer

Apple

Oct 2016 - Mar 2020 (3 years 6 months)

• Developed a data pipeline in Python and AWS Lambda for real-time data processing, enabling teams to access live sales data. • Developed the internal reporting system used by Apple's global sales teams. • Developed front-end components with React and Angular, significantly improving user interaction and interface responsiveness. • Created reusable code libraries and modules, reducing future development time and improving code maintainability. • Actively practiced Test Driven Development (TDD), ensuring rigorous bug fixing and comprehensive integration testing to deliver robust and reliable software. • Led the migration of legacy systems to a microservices architecture using Node.js and Python, improving system reliability and enablin

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