June. 2021 ~ Present
Senior Software Engineer, Instacart, San Franciso, USA
Feb. 2018 ~ June. 2021
Software Development Engineer, Amazon, Santa Clara, USA
- Amazon Alexa
- Designed, implemented and delivered multiple critical features and components for Alexa
Reminders and Lists.
- Led the tech improvement project, paid off tech debt and reduced UPL by ~70% after a series
of optimizations.
- Drove the user growth project, designed and conducted multiple upsells through A/B testing
that provided justifications with data and metrics for feature launch.
- Architected and built a scalable, resilient, fault-tolerant platform from scratch with
compliance of legal and privacy, made it easy to handle two-way communications with users
via text messages.
- Collaborated with multiple cross-functional teams of engineers, business analysts, PMs,
built and delivered data pipelines collecting, processing data for generating business
reports.
- As a security certifier, responsible for reviewing, identifying security risks of software
applications.
- Certified NLU (Nature Language Understanding) author, made updates in deterministic &
statistic models.
- AWS EC2
- Designed, implemented the management portal and workflow for provisioning & de-provisioning
EC2 instances.
Nov. 2017 ~ Dec. 2017
Teaching Assistant/Grader, NC State University, Raleigh, NC, USA
- Teaching Assistant for graduate-level course Principles of Computer Graphics, responsible for
holding office hours, maintaining attendance and participation, grading assignments, projects
and exams.
May. 2017 ~ Aug. 2017
Software Development Engineer Intern, AWS Marketplace, Seattle, USA
- Owned a full stack project with 1) A service with the capability of transforming JSON/XML to Ion
structure and computing differences between two Ion structures; 2) An interactive website to
display Ion structures in a user friendly way and the differences with highlighted background.
Oct. 2015 ~ June. 2016
Software Development Engineer, Shanghai Jizhuang Technology LLC, Shanghai, China
- Architected and implemented a CMS single-handedly managing merchandise, order, user, shipping
information.
- Designed and implemented RESTful APIs for online shopping website, handling merchandise
search/sort, order placement, payment, user management, etc.
July. 2014 ~ Sep. 2015
Software Development Engineer, Yougu Decoration & Engineering(Shanghai) LLC, Shanghai, China
- Collaborated with PMs, UX designer, built a website for publishing ads, promotions and events.
Designed and implemented a CRM single-handedly using Java, MySQL for backend and PHP, HTML, CSS
for front-end.
- Architected and implemented a state-of-the-art quoting system for home modeling, reduced ~80% of
the time that interior designers spent on quoting for customers.
July. 2013 ~ May. 2014
Technical Support Engineer (SME), Pactera Technology International Ltd., Wuxi, China
- Designed and implemented a Windows-based tool for monitoring system status and alarming if any
system failure was detected.
- Acted as a site reliability engineer, responsible for monitoring system status, diagnosing
system/hardware failure, working out solutions to recover system to healthy state, providing
specific instructions to data center service for replacing failed hardware.
