# Xing Xing > Software Engineer Location: San Francisco Bay Area, United States Profile: https://flows.cv/xingxing Languages: C/C++, Java, Ruby, LATEX, Perl, Python Database: mySQL, PostgreSQL, Infobright, Greenplum, Riak, Redis, MongoDB Packages & Tools: Matlab, Lemur & Indri, Lucene, Hadoop, Hive, Hibernate, Weka, Ruby on Rails, Spring Framework, Google Web Toolkit, Apache, Solr, REST, XML, JSON, Mobile(Android), ElasticSearch, etc. Specialties: Information retrieval, data mining, data analysis and applied machine learning. ## Work Experience ### Staff Software Engineer @ Airbnb Jan 2019 – Present ### Senior Software Engineer @ Airbnb Jan 2016 – Jan 2019 MDX Eng POC on all issues related to pricing, cancellation and monetization. MDX Tech POC for Homes Technical Review Process to review and approve technical designed related to MDX systems and services. Lead engineers from multiple teams (Monetization, Cancellation, Platform, China) to build big initiatives for Airbnb. Sample projects are: 1. Designed the architecture and tech lead for enabling hotel pricing hierarchy, hotel rate plan pricing, hotel cancellation policies on Airbnb platform which is critical to onboard hotels to Airbnb platform. 2. Designed and lead the execution of cancellation tiered pricing which is the first product to connect booking settings and pricing settings and increases bookings and nights. 3. Designed and lead the execution of enabling different host fee plans and incentive campaigns for charging hosts in a more scalable and flexible way which enables pro host and cross listed listings to adopt same fee structures as competitors. 4. Built the framework and launched over 20 service fee elasticity experiments to achieve the most effective service fee strategy on Airbnb platform to increase nights and bookings. 5. Designed and lead 48 hours guest fee grace period project and recovered 75% of Airbnb revenue loss on the fully refundable policy, lifted 1% uncanceled bookings globally, reduced 9% CX tickets and 40% guest cancellation rate, and increased our revenue up to 2.49% in 2017, which equals to 60M+ revenue increase in 2017 and estimated 180M+ revenue increase in 2018. Brought up by Leadership in Homes all hands meetings as one of the highlight for Airbnb in the second half of 2017. ### Senior Software Engineer @ Pandora Jan 2013 – Jan 2016 • Led the design and development of the system to send personalized Google Now cards to Pandora listeners, including Google server communication and user authentication, public API design and implementation, card generation and delivery, data automation, album art image processing, campaign management portal, card testing tool, performance monitoring dashboard, A/B experiment, etc. • Key contributor for Pandora push notification system developed from scratch, including campaign handling and processing, notification gateway, internal XML-RPC communication and external web services, events tracking and analytics components, marketing campaign management portal, A/B testing module, system monitoring tools, etc. • Key contributor for in-app inbox message backend system, including data storage design and optimization, web service improvement, system performance dashboard, etc. • Integrated both Kochava and Atlas system into Pandora backend framework to enable analysts and scientists to analyze and improve online and mobile advertisement campaign performance. • Key contributor for browse backend system, including public API, data synchronization, analytics jobs, A/B testing, runtime config, etc. • Improved existing Pandora autocomplete ranking and integrated brand stations and advertiser stations into autocomplete results. ### Senior Software Engineer @ Undertone Jan 2010 – Jan 2013 • Designed and implemented delivery engine features to deliver online campaigns efficiently and effectively, including delivery limitation targeting, delivery pacing and performance optimization, video ad response template implementation, etc. • Designed and developed several key backend features for Insights analytics system, including big data ETL, custom reporting tool, data aggregation, unique users estimation, query performance optimization, etc. • Integrated third party software packages and developed related features for Undertone Adserver and Insights system, such as Riak, NetAcuity, WURFL, CutyCapture, etc. ### Senior Software Engineer @ Rovi Jan 2011 – Jan 2012 • Designed and implemented various features for Rovi search and recommendation (S&R) web services as well as the algorithms to improve S&R performance. • Designed and developed many client service layer modules to aggregate S&R web service data with various web service data for internal and external clients through gateway. • Designed and implemented S&R web service testing tool for both RESTful and SOAP APIs using Google Web ToolKit. ### Software Engineer @ UC Santa Cruz Jan 2009 – Jan 2010 Developed an image annotation system and vocabulary analysis system for VASE project in department of education at UCSC ### Software Engineer @ Yebol.com Jan 2008 – Jan 2009 Developed a social based search engine backend on top of AWS ### Software Engineer @ Northwest Electric Power Design Institute Jan 2004 – Jan 2007 | Xi'an, China • Independently designed and developed the software package to optimize air cooling system widely used for electric power plant design in the institute ## Education ### Doctor of Philosophy - PhD Dropout in Computer Science University of California at Santa Cruz ### Master's degree in Pattern Recognition and Intelligent System Xi'an Jiaotong Univeristy ### Bachelor's degree in Information Engineering Xi'an Jiaotong University ## Contact & Social - LinkedIn: https://linkedin.com/in/xing-xing-23966b8 --- Source: https://flows.cv/xingxing JSON Resume: https://flows.cv/xingxing/resume.json Last updated: 2026-04-12