Matthew Williams
Machine Learning Engineer - Senior II at Coveo
Bristol, England, United Kingdom
Summary
🤩
Rockstar🎓
Top SchoolMatthew Williams is a senior Machine Learning Engineer with 13 years of experience building search, discovery, and NLP systems at scale, currently focused at Coveo from Bristol. He has led cross-functional teams and steered search strategy for Cookpad, improving observability, migrating services to structured logs, and scaling Elasticsearch-backed search for millions of users. His work blends applied research (sparse representation learning, intent inference, learn-to-rank) with pragmatic platform engineering—designing streaming and batch pipelines, vector search, and internal data-labeling to enable robust experimentation. Matthew has a strong academic foundation (PhD in Computer Science) and a track record of creating patented R&D products, academic partnerships, and productionized ML features like image-based ranking signals. He is comfortable as both a hands-on engineer and a principal-level architect who drives team structure and platform-as-product thinking. A less obvious strength is his repeated success reducing operational cost and MTTR through observability and architecture changes while maintaining rapid iteration for discovery features.
13 years of coding experience
10 years of employment as a software developer
Doctor of Philosophy (PhD), Computer Science, Doctor of Philosophy (PhD), Computer Science at Cardiff University / Prifysgol CaerdyddNeath Port Talbot College
English
Github Skills (105)
java10
packaging10
pythonic9
abstract-interpretation9
fluxcd9
dependency-management9
security9
python9
program-analysis9
elasticsearch9
command-execution9
restful9
dependency-manager9
search-engine9
ocaml9
Programming languages (9)
Github contributions (5)
mattjw/sparkql
Nov 2019 - Apr 2020
sparkql: Apache Spark SQL DataFrame schema management for sensible humans
Contributions:15 reviews, 72 commits, 78 PRs in 4 months
schema-managementsensibleemrdataframespark-sql
mattjw/exploring_tech_meetups
Aug 2015 - Sep 2015
Contributions:21 commits, 6 pushes in 15 days
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