Apr 2020 – Apr 2021 · 1 yr

• Led team of 6 engineers in Aurora MySQL to improve cluster availability.
• Released dynamic resizing feature for database storage size and helped come up with a new, gradual rollout plan for the feature.
• Improved Aurora replication between Aurora Writer and Aurora Reader nodes within the cluster.

Apr 2019 – Apr 2020 · 1 yr

• Worked on Amazon Aurora Multi-Writer project, specifically in the physical and logical recovery paths, and cluster membership.

Sep 2015 – Apr 2019 · 3 yrs 7 mos

• Worked on various parts of the Aurora MySQL engine.
• Participated in functional specification, design, development, and testing of various features
• Focused on improving physical replication availability and performance between Aurora Writer and Reader nodes.
• Improved performance of logical read ahead feature in InnoDB b-tree layer to reduce scan latency by up to 3x.
• Onboarded Sydney team to help handle operational load.

Aug 2013 – Sep 2015 · 2 yrs 1 mo

• Helped launch Amazon Aurora, the fastest growing service in the history of AWS.
• Added metrics to track throughput and latencies between the engine and storage nodes
• Improved logging for tracking and debugging slow or stuck operations between engine and storage nodes
• Improved test coverage
• Diagnose, debug, and fix issues for launch
• Helped with design and implementation of authentication and authorization between Aurora MySQL engine and control plane and storage components, which was necessary for launch

Sep 2012 – May 2013 · 8 mos · Berkeley, CA

• Maintained previous IT responsibilities in addition to managing and training incoming IT assistants to increase productivity within Haas IT team.
• Acted as mentor and advisor for new hires to offload the work of full time IT staff.

May 2011 – May 2012 · 1 yr · Berkeley, CA

• Resolved software and hardware issues for professors and staff within the UC Berkeley Haas network.
• Performed major network management such as security tune-up, file server backup, and email server administration.
• Set up new accounts on the domain by cloning images, downloading software, and establishing intranet permissions.

May 2012 – Aug 2012 · 3 mos · Mountain View, CA

• Created and restructured back-end functionality of web page, customers, and businesses through MVC design
• Helped improve aesthetics and functionality of webpage, including maps page, customer data, emailing, and texting.
• Implemented texting charges and improved emailing feature for businesses to communicate with customers

Feb 2011 – Jun 2011 · 4 mos

• Built and promoted a centralized online social marketplace, community, and forum for Berkeley students
• Designed the website and its contents using DrupalGardens, Wordpress, HTML, and Photoshop.

Jun 2008 – Aug 2008 · 2 mos

• Set up work stations and configured new laptops to the network per company requirements
• Managing and updating inventory and assets for future plans and upgrades
• Resolving technological issues from employees
• Substituted for front desk receptionist in attending guests, phone, and other inquiries.

Sep 2006 – Mar 2009 · 2 yrs 6 mos · Palo Alto, CA

• Supervised and led students in Chinese studies, games, lessons, readings, and classroom activities
• Worked efficiently with teacher to maintain classroom atmosphere and teach lessons
• Communicated effectively with parents to answer questions and resolve conflicts