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Software Engineer

Netflix - 1d ago

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Senior Software Engineer

Reddit - 4d ago

Lead Data Scientist - Causal Inference

Requirements

  • An ability to simplify complex systems and ambiguous problems into clear hypotheses, useful abstractions and tractable analytical questions.
  • Strong analytical judgement, with the ability to get to a useful answer quickly, refine it iteratively, and know when the evidence is sufficient to support a decision.
  • Strong SQL and Python skills, with experience working with large, complex and imperfect datasets.
  • Strong grounding in statistical analysis (e.g., classical ANOVA, non-parametric uncertainty quantification, Bayesian estimation) and causal inference, with experience designing both controlled experiments and observational studies.
  • Experience applying machine learning, statistical modelling, NLP and LLM-based techniques to analyse customer behaviour and conversational data, diagnose root causes and identify the drivers of outcomes.
  • Experience designing measurement frameworks for complex customer journeys and evaluating the impact of interventions.
  • Strong product and business judgement, with a track record of using Data Science to influence important business decisions and drive measurable impact.

Nice to Haves

  • Experience working on customer-facing products, ideally in customer support, customer operations or another high-volume service environment.
  • Experience evaluating the impact of automation or AI-powered customer experiences.
  • Experience applying predictive or behavioural modelling to support product or operational decision-making.
  • Experience working with sensitive customer data in environments with strong security, privacy or compliance requirements.
  • Experience combining quantitative analysis with qualitative or expert insight to solve complex problems.
  • Familiarity with modern analytics and machine learning tooling in a cloud environment such as AWS.

What You'll Be Doing

  • Building a clear, data-driven understanding of customer support quality across human and automated channels.
  • Designing metrics that reflect meaningful customer outcomes.
  • Identifying root causes of issues using machine learning, statistical methods, and domain expertise.
  • Turning analytical insight into proposals to improve customer experience.
  • Designing and analyzing experiments to determine effectiveness of proposed changes.
  • Determining the right intervention for different customer problems regarding automation or human support.

Perks and Benefits

  • Not specified
AI Summary ✨
Wise logo

Wise

Greater London, UK

Experience: Senior
Posted: September 7, 2026
Last seen: 41 minutes ago
Aws
Python
machinelearning

Why we track Wise

Wise (formerly TransferWise) is a London-based fintech that built international money transfers from scratch. They have major engineering hubs in Tallinn, London, and Budapest. The engineering challenges around real-time payments, compliance, and multi-currency infrastructure are technically deep.

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