Cole Bayer
@cole.bayer
Data & AI · Lake Adriana, Saint Lucia
Data Engineer — Turning messy data into products companies can trust.
Packages
Fixed scope, fixed price — order an outcome, not hours.
Data pipeline audit
$600A focused, fixed-scope engagement delivering a clear outcome. Includes a kickoff call, the work itself, and a walkthrough of results.
ML model prototype
$8,500A focused, fixed-scope engagement delivering a clear outcome. Includes a kickoff call, the work itself, and a walkthrough of results.
About
Cole Bayer is a Data Engineer with 11+ years of experience turning messy data into products companies can trust. Recent engagements have focused on LLMs, Deep Learning and SQL. Based in Lake Adriana, Saint Lucia, Cole works with startups and scale-ups that need senior expertise without a full-time hire.
Problems I solve
• Standing up ML pipelines that survive production • Designing data warehouses and ETL that scale • Building recommendation and personalization systems
Selected work
Real outcomes — proof, not promises.
Rebuilt a recommendation engine
+22% conversionReplaced a rules-based system with an ML pipeline serving real-time personalized recommendations.
Cut model inference cost
−45% costOptimized and quantized models and right-sized infrastructure without hurting accuracy.
Skills
Reviews
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