James L. Email & Phone Number

San Francisco, CA, US

Miami, Florida, US

San Francisco, CA, US

- Built 4 platform teams from scratch, grew managers, and maintained high employee satisfaction and operational excellence by focusing on a culture of aligned autonomy and documentation.- Set and led multi-year strategies following business pivot to Enterprise, which led to 99.999% availability, a compelling security whitepaper, and security features that.

San Francisco, California, US

- Grew 3 teams (SRE, Data Storage, and Security) with low turnover and one of the highest employee satisfaction scores within Engineering, leading to recognition as top performer amongst engineering managers.- Built Security Engineering team of 4 from scratch by refining recruiting methods and hiring security engineers from top companies in the Bay Area.

San Francisco, California, US

Platform EngineeringGrew a team from 1 to 8, focusing on Performance and Reliability. We cut e2e checkout to 10min (p90), loaded affirm.js under 1s on mobile (p99), and scaled up for Black Friday to handle 30x traffic (3k loans/min).Led TLs and EMs to execute our first multi-region failover (under 1 hour), winning trust in Affirm’s disaster recovery.

San Francisco, California, US

11th engineer, joined at Series B.- Led teams to break up the monolith into macro-services, which enabled the company to launch new products with 10x shorter deployment times.- Built a team of 3 from scratch to modernize the company’s authN/authZ system and handle advanced actor types such as admins and merchants (recognized by the Metis Award in Jan.

Data Engineering & Analytics - Tech Lead.- Implemented a multi-cloud ETL pipeline using Spark, enabling Ops to scrape data from millions of apps across multiple app stores in Chinese and English, from AWS and Aliyun.- Built a robust infrastructure delivering metrics and datasets using Hadoop, Kafka, and Pig, used to train models for the AutoSuggest and.

Created ETL pipelines using HDFS, MapReduce, and Spark to ingest and index app data for Quixey's search engine.

Pittsburgh, PA, US

Drove adoption of the GraphLab distributed computation framework by developing the Java API (using JNI) and the Javascript API (using the v8 Engine).

- Optimized a digital watermarking and steganography algorithm in C++ for Linux, Android, and iOS, reducing power consumption and decoding latency by 60%, and making it feasible for deployment on consumer mobile devices.- Developed cross-compilers for different platforms and inter-language interfaces using JNI.

Singapore, SG

Developed a data management system on J2EE that was used by the Ministry of Education to digitize enrollment records for all 1800 preschools in Singapore.

(Part-time, while serving National Service.)- Partnered with local businesses and universities, utilizing SEO best practices and content creation to optimize their websites and enhance their online presence.- Leveraged open-source software and made plugins, portals, and websites using CakePHP, Wordpress, and Drupal, reducing time-to-market by at least 50%.