About

William Wu is a Senior Software Engineer at Hazel Health, Inc. with a Bachelor of Arts degree in Computer Science from the University of California, Berkeley. With over 6 years of relevant experience, William is a skilled software engineer with expertise in infrastructure engineering and feature development. William's experience includes working as a Senior Software Engineer at Yelp, where he was responsible for migrating acquisition services to use Yelpy distributed logging infrastructure, scaling a wait estimate recalculation project, and maintaining pet ETL instances. He also led the design and implementation of an integration with a task processing system, which improved developer velocity and enabled horizontal scaling for a monolith service. Additionally, he led an integration with Twilio Copilot, which increased SMS deliverability from 95% to 99% and removed reliance on an in-house phone number management system. In his current role at Hazel Health, William is responsible for developing software solutions that solve complex problems. He enjoys working in the gray area between feature development and infrastructure engineering, which gives him a holistic view of problem-solving. His tech stack includes software engineering, infrastructure, AWS, integration, DevOps, ETL, and search. William is a dedicated team player and has experience mentoring interns and full-time engineers. He is also an interviewer and has run over 60 problem-solving and system design interviews. As an Operations Deputy, he supports five teams with access requests, database migrations, AWS resource management, and general feature/infrastructure boundary needs. He is also a service owner, deploying services, managing incidents, and answering questions on team channels. Overall, William is a highly skilled and experienced Senior Software Engineer who is passionate about developing software solutions that solve complex problems. He is a dedicated team player with a holistic view of problem-solving and a strong track record of success.