Data Scientist

HappyRobot
Barcelona
Workplace: HybridFull timeFunction: Data Science & Machine LearningSkills: ["Communication","Attention to detail","Analytical accuracy","Ownership","Independence"]

Use data to improve product and model performance by partnering with Product, Engineering, and Machine Learning. Define and operationalize product, feature, and agent metrics; design and interpret A/B tests for prompts, agent behavior, workflows, and model changes; analyze millions of conversations to quantify impact on client outcomes. Connect offline evaluations to production results, investigate anomalies and regressions, and share clear recommendations through dashboards and stakeholder communication.

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HappyRobot
HappyRobot
2 months ago

Data Scientist

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Source: Company careers pageValidated by: Fursa AI
Last checked: 16 hours agoStatus: Live

Job Summary

Use data to improve product and model performance by partnering with Product, Engineering, and Machine Learning. Define and operationalize product, feature, and agent metrics; design and interpret A/B tests for prompts, agent behavior, workflows, and model changes; analyze millions of conversations to quantify impact on client outcomes. Connect offline evaluations to production results, investigate anomalies and regressions, and share clear recommendations through dashboards and stakeholder communication.
Location: Barcelona
Workplace: Hybrid
Employment Type: Full time
Job Function: Data Science & Machine Learning
Seniority: Mid level

Key Responsibilities

  • •Define and track product, feature, and agent-level metrics to guide product and ML decisions.
  • •Design, run, and interpret A/B tests for model changes, prompts, agent behavior, workflows, and product features.
  • •Measure how agent performance affects client outcomes like task completion, operational efficiency, response quality, and automation rates.
  • •Perform deep analyses across conversations and workflows, investigating anomalies/regressions with root-cause analysis and recommendations.
  • •Build statistical models and dashboards, and partner with Engineering to improve instrumentation, data quality, and experimentation systems.

Pay and Benefits

Perks:Health InsuranceDentalVision

Key Requirements

  • •4+ years of experience in Data Science, Product Analytics, or another highly quantitative product role.
  • •Strong experimental design skills including A/B testing, statistics, causal inference, and hypothesis-driven analysis.
  • •Advanced proficiency in SQL and Python.
  • •Experience defining and operationalizing product and feature metrics.
  • •Ability to translate ambiguous product questions into rigorous, actionable analyses and recommendations.
Skills:CommunicationAttention to detailAnalytical accuracyOwnershipIndependence
Tech Stack:SQLPythonA/B testingStatisticsCausal inferenceNLPDashboardsGenerative AIAI agents

Company Brief

HappyRobot
Builds and manages enterprise AI workers (conversational and document-processing agents) to automate operational workflows for supply chain and logistics companies, integrating with systems to execute tasks, collect real-time data, and drive operational insights.
Industry: Supply Chain Technology
Company Size: Medium (51 to 250 employees)
Growth: Scaleup
Valuation: USD 250M to 500M
Funding: Series B
Headquarters: San Francisco, United States
Founded: 2022
WebsiteLinkedInGlassdoor