Member of Technical Staff (Search Quality Analyst)
Perplexity · Belgrade, London · posted Sep 2, 2026
What this role actually asks for
Extracted by RemoteHuntMust have
- •4+ years experience as data analyst
- •Proficiency with SQL and Python
- •Design metrics from scratch
- •Build labeling pipelines
- •Improve search snippet quality
- •Design and analyze A/B experiments
Nice to have
- •Experience with search-related products
- •Knowledge of statistics and A/B experiment design
- •Experience with Apache Spark or Databricks
Tools and technologies
The full posting
Responsibilities
Find and diagnose quality issues in our search pipeline.
Design metrics from scratch to track and measure search quality.
Build datasets for model training, including LLM-as-a-judge labeling pipelines.
Improve search snippet quality and page selection algorithms for indexing.
Design and analyze A/B experiments to validate improvements.
Qualifications
4+ years of experience as a data analyst or in a related role.
Strong coding skills — expected to write production-grade code at a mid-level backend engineer level.
Proficiency with SQL and Python.
Demonstrated hands-on experience with at least one of the following:
- Designing metrics from scratch (not just analyzing existing A/B experiments)
- Building labeling pipelines using LLM-as-a-judge
- Training ML models that shipped to production with measurable metric improvements
- Designing evals with known ground truth (e.g. SimpleQA, BrowseComp) or driving meaningful improvements on such evals
Preferred Qualifications
Experience working on search-related products.
Knowledge of statistics and A/B experiment design.
Experience with Apache Spark or Databricks.
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