Staff Data Scientist
BarcelonaHybridFull-time
AI Summary
Staff Data Scientist at Heetch shaping marketplace strategy through advanced analytics, experimentation, and ML. Leads data science initiatives, mentors peers, partners with product and engineering, and drives measurable business outcomes.
About this role
About the Role
We’re looking for a Staff Data Scientist to shape the future of our marketplace through advanced analytics, experimentation, and machine learning. You’ll define the technical direction of data science initiatives, influence product strategy, and mentor other data scientists to elevate our analytical standards and impact.
As a Senior Technical Leader, you’ll partner closely with Product, Engineering, and Operations teams to turn data into decisions that improve reliability, growth, and user experience across markets.
What You’ll Do
- Lead data science initiatives with company-wide impact — from experimentation frameworks to ML systems and causal inference methods
- Define best practices and standards for experimentation, modelling, and analytical excellence across teams
- Partner with Product and Engineering leadership to identify and prioritise high-leverage opportunities
- Develop and deploy scalable models and data products that drive measurable business outcomes
- Mentor and coach other data scientists and analysts, helping them deliver higher-impact work
- Communicate insights and recommendations to senior leadership, influencing product and growth strategy
- Contribute to Heetch’s data platform evolution, ensuring data quality, reliability, and efficiency at scale
You’ll Thrive In This Role If You
- Have a deep understanding of statistics, experimentation, and causal inference, and know how to apply them pragmatically
- Are fluent in Python, SQL, and modern data/ML tooling
- Have experience bringing ML models into production and measuring their long-term business impact
- Are skilled at translating complex technical findings into actionable business insights
- Are a collaborative leader who mentors peers and sets high standards for analytical rigor and impact
- Have 7+ years of experience in data science, ideally with 2–3 years in a Staff-level or tech-lead capacity
Nice to Have
- Experience in marketplace or pricing systems (supply–demand modelling, matching, or fraud detection)
- Experience leading data science guilds, chapters, or communities of practice
- Familiarity with MLOps, feature stores, or causal inference frameworks
Skills
Causal InferenceData PlatformsExperimentationFeature StoresMachine LearningMLOpsPythonSQL
Explore related jobs
More jobs at Heetch
Similar Causal Inference jobs
Jobs in Barcelona
Encargado/a de Obra Ferralla, CATALUÑAConfiarte · Barcelona, Spain
Publisher Account ManagerEXOGROUP · Barcelona, Barcelona- Project Manager – French MarketDegusta Box · Barcelona, Catalunya [Cataluña]
Japanese Linguistic Evaluator & Functional TesterWelo Global · Barcelona, Spain
Hindi Linguistic Evaluator & Functional TesterWelo Global · Barcelona, Spain
Swahili Linguistic Evaluator & Functional TesterWelo Global · Barcelona, Spain
Browse these categories
Market data for data scientist roles
All reports →- SeriesRole reportsOne role family at a time: how many openings, what changed this week, who is hiring, what it pays.
- SeriesSalary reportsWhat employers publish in job postings, by level and workplace. Not self-reported pay.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.
