Caiqin He

Sensitive Advertising Verticals (SAV)
SAV team focuses on building secure and compliant advertising solutions for regulated industries, including political advertising and pharmaceutical marketing. The team ensures that political ads comply with strict regulations while protecting user privacy and preventing misuse. Additionally, it develops systems for pharmaceutical advertisers to enable secure audience targeting and reporting while adhering to strict data protection laws.

Key Contributions:

• Designed scalable architectures to support increasing user traffic and maintain system stability.
• Collaborated closely with product managers, HPC team, and compliance teams to deliver high-quality, regulation-compliant solutions.
• Contributed to company-wide coding standards, promoting consistency and maintainability across projects.
• Promoted a culture of continuous improvement through regular code reviews and constructive feedback sessions among team members.

Geo Targeting Team: GeoStore

The project enables clients to target customized geometry regions defined by latitude and longitude coordinates. It involves a large-scale implementation with massive data processing, including a 100GB index file and over 96 million active rows in the database

• Led the backend design, implementation, testing, and monitoring for polygon support, which is crucial for high-frequency read and fast response projects, achieving a throughput of 15 million queries per second with sub-millisecond latency
• The project enables the system to leverage latitude and longitude data for real-time bidding, accurately determining the audience's location (e.g., Zip, City, Region, Country)
• The implementation utilized a distributed agile service architecture, combining Server Sql, Google S2, and AWS services

Geo Targeting team: GeoNg.LatLng

• The project enables the system to leverage latitude and longitude data for real-time bidding, accurately
  determining the audience's location (e.g., Zip, City, Region, Country).
• The implementation utilized a distributed agile service architecture, combining ServerSql, Google S2, and AWS services.

China team:

• Integrated with external companies, including prominent China SSPs such as Tencent, Youku, iQiyi, and
  Baidu. Ensured seamless data integration with RTBAsia, AdBug, and Miaozhen.
• Demonstrated cross-team functionality by assisting other teams in problem-solving. This involved providing support to the support team, inventory team, AM team, and bootcamp team. Actively engaged in their discussions, offering valuable insights and suggestions as an engineer.
  

SWAT team:

• The SWAT team tackles high-value, tactical feature work that arises unexpectedly, protecting the plans
  of other teams. As one of swat team member, I consistently investigate and resolve critical issues
  across the platform widely.

• Communicate, code development, smoke test, POC test with China publishers and exchanges
  (RTB/PDB). Including sohu, letv, youku, iqiyi, gdt.
• Completed code development and integration test with china creative audit in a month. Including sohu, letv, youku, iqiyi, gdt, tencet, weibo, baofeng, fun, etc. Maintain and deploy china-creative-audit project.
• Integration with Mobile big data platforms TalkingData.

• Provide the third-party payment services for the lottery system, including charge, payment and cash withdraw
• Integration with the third-party payment platforms, such as Alipay, Tenpay, China Merchant Bank and China UnionPay
• Integration with Alibaba Baichuan