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dataroles

Staff Data Scientist

Heetch heetch.com Open · verified Oct 24, 2026
Hybrid Barcelona Contract Senior Data Science

At a glance

Senior Data Science role at Heetch. Barcelona · contract.

Pay not stated Data Scientist salary

RoleData Science
SenioritySenior
LocationBarcelona
WorkplaceHybrid
EmploymentContract
PostedNov 4, 2025 · 11mo ago
Role brief

dataroles summary, based on the employer's posting.

What you'll do

  • Set technical direction for data science work, including experiments, machine-learning systems and causal methods
  • Establish shared standards for experimentation, modelling and analytical quality across teams
  • Work with product and engineering leaders to select valuable opportunities and turn them into data products or models
  • Coach data scientists and analysts, and present findings to senior leaders to shape product and growth decisions
  • Help evolve the data platform by improving the quality, dependability and efficiency of data at scale

What you bring

  • At least seven years in data science, including staff-level or technical-lead work if you have that background
  • Strong command of statistics, experimentation and causal inference, with practical use of Python and SQL
  • Experience taking machine-learning models into production and tracking their business impact over time

Who this fits

This role suits a senior technical leader who can guide data science work, mentor colleagues and translate complex analysis into decisions. It is a contractor position based in Barcelona with a hybrid arrangement.

From the employer

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 🌈 Ride with Pride at Heetch 🌍 We’re all about building a diverse, inclusive team where everyone feels safe, seen and celebrated. Different backgrounds, perspectives, and vibes? Bring it on. That’s how we grow.
And hey — studies show some people (especially women and early-career folks) hold back from applying unless they tick every single box. Don’t do that. If this role sparks something in you, but you’re not sure you match everything — apply anyway. We care about potential, mindset, and energy just as much as experience.Everyone’s welcome on the Ride 💖
Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Data Science

Find me work

By the team behind dataroles.

Find me work
Opportunity

Data Science work from LinkedIn, X, Reddit and Upwork, in one list.

Each morning you get everything that fits, strongest first.

Find me work

By the team behind dataroles.