Job Description

The Role in 30 Seconds

  1. First data engineer at a funded London startup (two founders with proven track record)
  2. Build data pipelines from scratch that process millions of mobile analytics events to predict user conversions weeks in advance
  3. Direct business impact - your pipelines feed ML models that help subscription apps optimise £millions in ad spend

What We Do

Day30 helps subscription apps improve paid acquisition ROI by providing predictive signals to optimise ad spend. We connect directly to mobile measurement partners (MMPs) to analyse behavioural event data, build ML models that predict high-value conversions weeks in advance, and deliver these predictions to advertising platforms without compromising user privacy.

We're a two-founder London s...

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