Judah Rand
Senior Software Engineer at Reddit, Inc.
London, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolJudah Rand is a Senior Software Engineer with nine years’ experience building production ML and data infrastructure, currently working at Reddit after leading personalisation and feature-store efforts at Marks & Spencer. Trained as an engineer at Oxford, he combines strong mathematical and control-systems instincts with hands-on skills in Python, SQL, JavaScript, C and Linux to deliver low-latency feature serving, CDC-based pipelines and reliable model deployment. He has a track record of translating research and ML best-practice into revenue-driving systems (helping deliver £8M incremental revenue at M&S) and has designed multi-tenant on-prem Kubernetes and Kubeflow-backed ML platforms. An active open-source contributor, Judah has improved Feast’s BigQuery handling, strengthened pip’s keyring auth flow, and contributed to Apache Arrow, demonstrating a focus on robust data interchange and secure tooling. Colleagues describe him as pragmatic and detail-oriented, able to bridge data science and engineering to reduce deployment friction and accelerate model development.
9 years of coding experience
5 years of employment as a software developer
Master of Engineering (MEng), Engineering Science, Master of Engineering (MEng), Engineering Science at University of OxfordShrewsbury School
Stackoverflow
19reputation
792reached
1answer
0questions
Github Skills (38)
feature-store10
bigquery10
postgresql10
data-pipelines10
datatypes10
python10
data-engineering10
packaging10
user-authentication10
authentication10
arrow-keys10
subprocess10
etl10
go10
parquet10
Programming languages (22)
Github contributions (5)
feast-dev/feast
Sep 2021 - Feb 2022
The Open Source Feature Store for AI/ML
Role in this project:
Back-end Developer & Data Engineer
Back-end Developer & Data EngineerContributions:55 reviews, 36 commits, 47 PRs in 4 months
Contributions summary:Judah primarily contributed to the Feast feature store, adding functionalities related to BigQuery integration and data type handling. Their work included parsing BigQuery `DATETIME` and `TIMESTAMP` types, fixing issues with list feature formats, and simplifying BigQuery load jobs. They also addressed issues related to empty lists and null values, enhancing the data processing capabilities of the feature store.
pythondata-qualitydata-sciencemlmachine-learning
apache/arrow
Feb 2023 - Oct 2024
Apache Arrow is the universal columnar format and multi-language toolbox for fast data interchange and in-memory analytics
Role in this project:Back-end Developer
Back-end DeveloperContributions:32 reviews, 9 PRs, 75 comments in 1 year 8 months
Contributions summary:Judah primarily contributes to the Apache Arrow project by implementing and enhancing Python and Go code. Their work includes updating dependencies, adding missing arguments, and adding new functionality to the codebase. They were responsible for adding missing methods to RecordBatch. Their contributions also extend to exposing Parquet sorting metadata and creating new features.
memorymulti-languagetoolboxacceleratedarrow
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