- Prototyped and productionized machine learning solutions at billion-requests-per-day scale. - Experienced in data manipulation and machine learning model development on tools such as the Hadoop stack, Spark and H2O and Tensorflow - Analysis of large data-sets to identify insights to inform business decisions. - Querying petabyte-scale data using Hadoop and related particularly Spark to answer business questions - Extensive experience with A/B testing at scale, analysing experimentation practices, testing and developing appropriate metrics - Working with decision-makers to suggest practical actions, and ways to quantitatively test their success - Built several web application in flask for analysis and visualisation of a large textual dataset