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Carol ChenCC
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Carol Chen

@carolchen

I build reliable backend infrastructure and machine learning systems for production-scale products.

United States
Message

I've built production infrastructure at Block, DoorDash, and Datadog, including a DAX caching layer for Block's Fidelius tokenization service that reduced read latency by 88% and achieved an 89% cache hit rate. At DoorDash, I created migration observability tooling and daily shard updates for an internal storage system, helping identify overloaded clusters and support more reliable operations.

I've also applied machine learning to biological imaging research at the Broad Institute and NLP at Macmillan Publishers. My work spans Go, Java, Python, AWS, DynamoDB, Terraform, Kubernetes, PyTorch, and TensorFlow.

Experience

Work history, roles, and key accomplishments

Block logoBL

Software Engineer Intern

May 2026 - Aug 2026 (3 months)

Drove the end-to-end design, implementation, and deployment of a DAX caching layer for Fidelius, a critical production tokenization service. Orchestrated the migration of read traffic from DynamoDB to DAX, reducing read latency by 88% and achieving an 89% cache hit rate.

Education

Degrees, certifications, and relevant coursework

Massachusetts Institute of Technology logoMT

Massachusetts Institute of Technology

Bachelor of Science, Computer Science and Engineering; Mathematics

2022 - 2026

Pursuing a Bachelor of Science in Computer Science and Engineering and a Bachelor of Science in Mathematics, with coursework in computer systems, networks, algorithms, cryptography, and machine learning.

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