Simon O'hanlon
Senior Data Engineer
London, England, United Kingdom
Summary
👤
Senior🎓
Top SchoolSimon O'hanlon is a Senior Data Engineer and tech lead at Sainsbury’s Tech with 13 years’ experience building cloud-native data platforms that deliver personalised customer experiences at scale—his team has produced over 8 billion personalised offers to 9.4M customers. He combines production-grade engineering (Python, Spark, Snowflake, Airflow, AWS, Terraform, Docker) with academic rigor from a PhD and postdoctoral research at Imperial College London, where he was lead author on a Science paper that made international headlines. Before retail, he helped build blockchain analytics at TokenAnalyst, bringing hands-on crypto data experience to practical data products. Comfortable leading a seven-person agile team, he blends statistical and bioinformatics training with pragmatic platform delivery to turn complex data into reliable, auditable production services.
13 years of coding experience
4 years of employment as a software developer
MSc Modern Epidemiology, Mathematics and Statistics, Distinction, MSc Modern Epidemiology, Mathematics and Statistics, Distinction at Imperial College LondonBSc, Biology, BSc, Biology at University of Bath
Stackoverflow
59,375reputation
6.0mreached
776answers
36questions
semantics
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package
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legend
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regex
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dataframe
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Github Skills (91)
ggplot10
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scheduler9
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semantics9
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Programming languages (9)
Github contributions (5)
simonohanlon101/genomic_scripts
Jan 2015 - Apr 2015
Contributions:53 pushes in 2 months
simonohanlon101/epionchov2
Mar 2018 - Oct 2018
Contributions:10 pushes, 1 branch in 6 months
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