Andrew Bar

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Senior Software Engineer

IDEXX

Aug 2020 - Current (4 years 10 months)

• Designed and implemented a robust two-way messaging platform using React, TypeScript and AWS, enabling seamless communication between pet owners and veterinarians, resulting in a 40% increase in user engagement. • Crafted intuitive user interfaces for the messaging platform using React.js, Redux, and Material-UI, increasing user satisfaction scores by 20%. • Led the migration from a monolithic architecture to a serverless microservices model using AWS API Gateway, DynamoDB, and Step Functions, retrenching infrastructure costs by 35%. • Integrated third-party APIs (e.g., Twilio and Firebase Cloud Messaging) to expand communication channels, supporting SMS, email, and app push notifications. • Developed scalable microservices using Nod
Software Development Engineer

Amazon

Dec 2013 - Jul 2020 (6 years 8 months)

• Developed and maintained core backend services for Amazon Prime Video's streaming platform using Java and AWS technologies, serving millions of users globally with 99.99% uptime. • Optimized video streaming quality by implementing a data-driven adaptive bitrate (ABR) algorithm, improving user playback experience by 20% on low-bandwidth networks. • Built a recommendation engine feature using collaborative filtering and machine learning models in Python, boosting engagement with personalized watchlists by 25%. • Enhanced the payment integration system, adding support for emerging global payment platforms, which contributed to a 15% increase in international subscriptions. • Worked on video metadata ingestion pipelines that processed mil

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Andrew's behavioral traits
Andrew's likely patterns of behavior, thought, values, and emotion. Based on the HEXACO model, OCP instrument, and Torre’s own research.