George Yu

Senior Software Engineer

Taskrabbit

Apr 2021 - Current (5 years 3 months)

• Contributed to TaskRabbit's marketplace platform, enabling users to book on-demand home services such as furniture assembly, moving, and cleaning with real-time availability and pricing. • Built core booking and task creation flows using Python (FastAPI, Flask), allowing users to post jobs, select Taskers, and schedule services end-to-end. • Developed payment and checkout systems integrating with internal and third-party services, ensuring secure transaction processing and reliable order completion. • Implemented tasker rating and review features backed by PostgreSQL, improving trust and transparency across the platform. • Enhanced job matching logic and availability filtering using Redis caching and asynchronous workflows, improv

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Software Engineer

Senti Biosciences

Dec 2018 - Mar 2021 (2 years 4 months)

• Built a bioscience data platform enabling researchers to analyze complex biological datasets through interactive dashboards and visualization tools. • Developed frontend features using React.js and Material-UI, improving user engagement by 30% with intuitive and responsive UI design. • Created dynamic data visualization components using React-Vis, allowing users to explore large datasets through charts and filters. • Built backend integrations using Python (Flask) and GraphQL to connect frontend applications with data processing services. • Optimized database queries and schema design in PostgreSQL, improving data retrieval performance by 30% for large-scale datasets. • Implemented efficient data workflows to support large-scale

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Independent Web Developer

Indie Dev

May 2015 - Nov 2018 (3 years 7 months)

• Delivered full-stack web applications for businesses and artists, including customer management systems, dashboards, and content platforms. • Built backend services using Python (Django, Flask) and Node.js (Express, later NestJS), supporting authentication, business logic, and API integrations. • Developed modern frontend applications using React, Angular, and Vue.js, focusing on performance and responsive design. • Integrated third-party services such as payment gateways, analytics tools, and external APIs to extend platform capabilities. • Designed scalable data models using PostgreSQL and MongoDB to support diverse application requirements. • Deployed applications on AWS (EC2, S3, RDS) using Docker and Nginx, ensuring stable pr

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Software Engineer

Autoridad Nacional para la Innovación Gubernamental

Apr 2014 - Mar 2015 (1 year)

• Developed a government platform allowing citizens to search and view traffic tickets and driving records through a web interface. • Built frontend features using JavaScript, HTML5, and CSS3 to provide a simple and accessible user experience. • Designed backend APIs using Node.js and Express to manage driver and violation data through RESTful services. • Architected a MongoDB database storing over 2 million driver records, ensuring reliable data access and performance. • Maintained system stability and near 100% uptime in pre-production through monitoring and testing practices.

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