Looking for a job

Guangshi Chen

@guangshichen

Software Engineer at Meta who built Ads conversion pipelines processing 10M+ events daily and cut data freshness latency by 38%.

United States

Message

At Meta, I architected Ads conversion and lead-ingestion systems, including a server-side pipeline that processes 10M+ events per day. I also reduced advertiser data freshness latency by 38% and reporting query latency by 45%.

At Instacart, I developed inventory and fulfillment services for thousands of store locations, reducing order assignment time by 22%. Earlier, at Oracle and AWS, I improved cloud infrastructure reliability and helped bring encrypted ElastiCache for Redis to HIPAA-eligible workloads.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

Software Engineer

Instacart

Jun 2021 - Mar 2025 (3 years 9 months)

Delivered fault-tolerant inventory and catalog ingestion frameworks for 8,000+ store locations, and designed order routing and batching services reducing assignment time by 22%. Improved availability predictions and streamlined shopper workflows, cutting fulfillment time by 14 minutes.

Senior Member of Technical Staff

Oracle

Jul 2019 - Jun 2021 (1 year 11 months)

Drove reliability and performance improvements across OCI infrastructure services for financial customers, reducing P99 latency by 28%. Automated compliance evidence collection, built disaster recovery workflows, and migrated 20+ workloads with zero downtime.

Software Development Engineer

AWS

Mar 2017 - Jul 2019 (2 years 4 months)

Shipped in-transit TLS, at-rest encryption, and Redis AUTH features for ElastiCache for Redis, enabling HIPAA-eligible workloads. Extended key management and access controls, and instrumented encrypted clusters with CloudWatch metrics and audit logging.