Jacob Crabtree Email & Phone Number

Sunnyvale, CA, US

• Redesigned core ML platform using workflow orchestration framework (Prefect), leadingto a 90% reduction in average stream processing time
• Grew app from its first 10K users to 100K+ users with thousands of paid subscribers byaiding in the launch of Stripe API and public Discord integration
• Organized production release process across all applications and ML models, resulting inconsistent 2 week release cycles for newly supported games
• Introduced build and release versioning, automated rollbacks, healthchecks, replicateddeployments, type-safety, and test driven development, leading to a large reduction inthe engineering resources required for on-call.

Sunnyvale, CA, US

• Reached 99.9% uptime for all services by setting up core monitoring, logging, and alerting stack from zero as well as onboarding all applications to Docker, Sentry, Loki, and Prometheus
• Designed and delivered company’s first personalized email marketing initiative, which achieved a 3x higher open rate and a 5x higher click rate than generic email campaigns, leading to higher overall user retention
• Developed staging system across all applications allowing safe end to end testing of new features by using a complete and isolated replica of full application stack, thus optimizing developer productivity with a 100%.

New York, US

• Designed and deployed an API which led to a successful launch of the CoinDesk Smart Contract Platform Select Ex ETH Index; serves as a benchmark for a multi-million dollar fund at Grayscale, the largest digital asset.
• Played a key role in on-boarding company to Amazon Elasticache (Redis) service, which enabled company to launch its first new index product in ~2 years, while also avoiding costly and time intensive data migration.

Teaneck, New Jersey, US

• Provided technical consulting for a leading US bank by maintaining large scale compliance systems, monitoring customer transaction data, identifying possible money laundering, and delivering customer risk ratings
• Redesigned Pandas/Snowflake based ETL framework resulting in ~50x speedup on ~5x cheaper hardware through use of Apache Spark and an Amazon EMR cluster
• Identified source of a longstanding security vulnerability in client’s software and traced it back to a race-condition in the snowflake-connector-python package; collaborated with engineers at Snowflake to design.