Senior Statistician – Hybrid: Causal Inference & Search

Jit Team; Malmö kommun; Hybrid; SEK 62,000 - 80,000; Full time

Job summary

Jit Team is seeking a data-driven statistician to join a mature production search project with causal inference, experimental design, and ranking improvements within a global engineering environment. Hybrid work with Malmö office and relocation considerations for newcomers.

You'll work with Python/R, Solr/Lucene, and ML teams to conduct experiments, analyze user behaviour, and report findings to stakeholders. This position offers a high-impact opportunity in a fast-growing tech portfolio.

Qualifications

• MS/PhD in Statistics or related field.
• Strong expertise in causal inference and experimental design.
• Experience with A/B testing and observational studies.
• Proficiency in Python or R for analysis.
• Knowledge of IR metrics like NDCG and MRR.

Responsibilities

• Design and analyse experiments to evaluate search ranking changes.
• Apply causal inference to quantify impact on user behaviour.
• Identify biases and confounding factors in experiments.
• Analyse large-scale search logs and engagement data.
• Collaborate with ML and engineering teams to validate models.
• Present statistics to stakeholders clearly.
• Improve methodologies and validation processes.

Skills

Causal inference

Experimental design

A/B testing

Observational studies

Education

MS/PhD in Statistics/Biostatistics/Econometrics/Applied Mathematics

Tools

Python

R

Solr

Lucene

A/B Testing

Causal Inference

Bayesian Statistics

Statistical Modelling

Econometrics

NDCG

MRR

Click Models

Propensity Score Matching

Synthetic Control

Difference-in-Differences

Instrumental Variables

Job description

Jit Team is seeking a data-driven statistician to join a mature production search project with causal inference, experimental design, and ranking improvements within a global engineering environment. Hybrid work with Malmö office and relocation considerations for newcomers.

You'll work with Python/R, Solr/Lucene, and ML teams to conduct experiments, analyze user behaviour, and report findings to stakeholders. This position offers a high-impact opportunity in a fast-growing tech portfolio.