Basic

Lead Data Scientist

catalunya, Spain Company: JR Spain Client / Employer: Appodeal, Inc.
Posted: 23.05.2026
Closing date: 07.07.2026
Job reference: fd84d7d418a45b61ecd4e30e49616e98

Job information

Location
catalunya, Spain
Company
JR Spain
Client / Employer
Appodeal, Inc.
Job reference
fd84d7d418a45b61ecd4e30e49616e98
Listing type
Basic
EU work permit required
No
Posted
23.05.2026
Closing date
07.07.2026

Job description

Appodeal is a dynamic US-based product company with a truly global presence.

We have offices in Warsaw, Barcelona and Virginia along with remote team members located around the world.

Our company thrives on diversity, collaboration, and innovation, making us a leader in the mobile app monetization space.

At Appodeal, we’re more than just a company—we’re a team united by a common mission:to help every person discover and grow their talents!

We take pride in our cutting-edge product and our internationally dispersed team of talented professionals.

Here’s what we value, and what we hope you do too:

  • Continuous Learning and Growth: We are passionate about learning, growing personally, and building rewarding careers.
  • Making an Impact: We are committed to building a history-defining company that leaves a lasting impact on the mobile app industry.
  • Solving Exciting Challenges: We tackle complex problems every day, supported by a team of world-class professionals and mentors.
  • Enjoying the Journey: We believe in having fun while working toward our goals.

We are looking for an experienced Lead Data Scientist to add to our Data Science team (Vector).

Responsibilities:

  • Drive the team’s data science vision and ensure alignment with business goals, focusing on ad-tech and revenue optimization.
  • Guide and support the growth of data scientists, fostering a collaborative and innovative environment.
  • Oversee the development of scalable, high-impact models for ad targeting, bid strategy, and performance analysis.
  • Ensure the efficiency and relevance of data pipelines and models, adapting to the dynamic tech landscape.
  • Proficiency in Python and SQL.
  • Experience with manipulation frameworks such as PySpark and Pandas.
  • Skilled at using cloud services such as AWS, etc.
  • Hands-on experience in DNN models training libraries and frameworks (PyTorch, Hydra, comet etc.)


Qualifications:

  • Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, or a related field.
  • 5+ years of experience in data science, preferably in a product-focused environment.
  • 2+ years experience in AdTech.
  • 2+ years experience in a leading role.
  • Strong analytical skills with the ability to derive insights from complex datasets.
  • Proficiency in statistical modeling and machine learning techniques.
  • Excellent communication and collaboration skills, with the ability to work effectively in a cross-functional team environment.
  • Based in Barcelona, Spain or ready for relocation.


Why Join Us:

  • Opportunity to work on cutting-edge projects with a global impact in the mobile app industry.
  • A collaborative and inclusive work culture that values innovation and continuous learning.
  • Competitive salary, flexible work arrangements, and comprehensive benefits package.
  • Professional development opportunities and career growth prospects within a fast-growing company.

With an outstanding product and a mission that excites and inspires, Appodeal offers a unique opportunity to make an impact while being part of an amazing team.

Join us and help shape the future of mobile app success!

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Skills

apply blended learning apply for research funding apply research ethics and scientific integrity principles in research activities build recommender systems Business Analytics Business Intelligence collect ICT data communicate with a non-scientific audience Computational Biology Computer Simulation conduct research across disciplines create data models Data Engineering data ethics Data Mining Data Models data quality assessment Data Science data visualisation software define data quality criteria deliver visual presentation of data demonstrate disciplinary expertise design database in the cloud design database scheme develop data processing applications develop professional network with researchers and scientists Digital Curation disseminate results to the scientific community draft scientific or academic papers and technical documentation empirical analysis establish data processes evaluate research activities execute analytical mathematical calculations Hadoop handle data samples Healthcare Analytics image recognition implement data quality processes increase the impact of science on policy and society information categorisation Information Extraction integrate gender dimension in research integrate ICT data interact professionally in research and professional environments interpret current data LDAP LINQ make data-driven decisions manage data manage data collection systems manage findable accessible interoperable and reusable data manage ICT data architecture manage ICT data classification manage intellectual property rights manage open publications manage personal professional development manage research data Marketing Analytics mathematical modelling MDX mentor individuals multidisciplinary research N1QL normalise data online analytical processing operate open source software perform data cleansing perform data mining perform project management perform scientific research promote open innovation in research promote the participation of citizens in scientific and research activities promote the transfer of knowledge publish academic research quantitative analysis query languages report analysis results Research Design resource description framework query language Scientific Computing scientific literature Social Network Analysis SPARQL speak different languages State Estimation statistical modeling techniques Statistics synthesise information teach in academic or vocational contexts think abstractly Unstructured Data use data processing techniques use databases use spreadsheets software visual presentation techniques write scientific publications XQuery

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