Data Scientist: Metrics, A/B Testing & AI Impact

Experimentation Jobs; Barcelona; On-site; EUR 55,000 - 75,000; Full time

Job summary

HappyRobot in Barcelona is seeking a Data Scientist to define and track product, feature, and agent-level metrics while designing experiments to measure impact. You will design, run, and interpret A/B tests for model changes, prompts, and product features that influence real-world performance.

Additionally, you will conduct deep analyses across conversations and workflows to connect offline evaluations with production outcomes and client impact.

Qualifications

• Experience as a Data Scientist or analytics-focused role.
• Experience designing and analyzing experiments to quantify impact.
• Familiarity with interpreting experiments and linking results to product outcomes.

Responsibilities

• Define and track product, feature, and agent-level metrics.
• Design and run experiments to measure impact of models, prompts, and features.
• Interpret results and connect offline evaluations with production outcomes and client impact.

Skills

Data science

Experiment design

A/B testing

Metrics analysis

Job description

HappyRobot in Barcelona is seeking a Data Scientist to define and track product, feature, and agent-level metrics while designing experiments to measure impact. You will design, run, and interpret A/B tests for model changes, prompts, and product features that influence real-world performance.

Additionally, you will conduct deep analyses across conversations and workflows to connect offline evaluations with production outcomes and client impact.