Senior Experimentation Analyst (Marketing Analytics)

TL;DR

Senior Experimentation Analyst (Marketing Analytics): Designing and analyzing A/B tests, holdouts, and incrementality to determine marketing effectiveness with an accent on statistical rigor and LTV growth. Focus on solving complex measurement puzzles like novelty-effect decay, holdout leakage, and cross-channel attribution.

Location: Hybrid in Barcelona (Poblenou office). Must be based in Barcelona or willing to relocate.

Salary: €47,124 - €60,319

Company

hirify.global connects pet parents with trusted pet care across the U.S., Canada, Europe, and Australia.

What you will do

• Own end-to-end experiments from hypothesis scoping and measurement selection to analysis and socialization.
• Advance the measurement framework by leading incrementality work and refining attribution-calibration.
• Scale testing cadence and raise the bar for experimental design and sample-size rigor across marketing functions.
• Write complex SQL queries against large event-based datasets to pressure-test analytical approaches.
• Connect experiment results to demand- and supply-side dynamics in a two-sided marketplace to provide clear narratives for decision-makers.

Requirements

• 3+ years of experience using data to drive business impact and partnering cross-functionally.
• Strong SQL skills for complex queries on large datasets and code reviewing.
• Solid statistical grounding with Python or R (hypothesis testing, regression, sample size).
• Proven experience owning the entire A/B testing lifecycle: design, sample size, analysis, and write-up.
• Must be based in Barcelona or willing to relocate.

Nice to have

• Experience with incrementality testing, causal-impact models, or geo-based experiments.
• Experience with experimentation platforms such as Statsig.
• Background supporting Lifecycle Marketing, CRM, or retention functions in a two-sided marketplace.
• Familiarity with Redshift, dbt, Mode, Amplitude, Iterable, or Hightouch.
• Experience utilizing agentic AI tools (e.g., Claude) to optimize analytics workflows.

Culture & Benefits

• Long-term incentive plan with performance-based cash payouts and a pension plan.
• Private medical insurance and 25 days of PTO.
• Meal allowance, flexible compensation plan (transport and nursery), and gym membership.
• Pet-focused perks, including €450 for pet adoption.
• Flexible work hours and a dog-friendly office environment.
• Annual €150 wellness reimbursement and regular team activities.