Join a global AdTech team as a Data Scientist / ML Engineer and build models that power smarter, high-impact ad decisions from our client hub in Barcelona. Relocation package is included.
Description:
Would you like to be part of a dynamic, international environment full of opportunities?
Our client, a fast-growing technology startup, is on a mission to accelerate the global success of mobile applications. Backed by a strong client portfolio of top-tier developers and publishers, the company operates from three strategic hubs:
Spain, Poland, and the United States. As they continue to scale, they are now expanding their team in Barcelona and seeking motivated recent graduates eager to kick-start their careers and contribute to an ambitious, high-impact project.
Join a vibrant Data Tech-Hub where you can keep growing and learning from a passionate team of Data Scientists, Data Analysts, and ML/Data Engineers who are ready to innovate and inspire!
Key languages:
* Full Professional level of English
Main responsibilities:
* Uncover trends and insights by independently exploring complex datasets and resolving intricate data challenges.
* Build and deploy full-cycle data science solutions—from exploratory analysis to scalable, high-performing models—focused on improving ad targeting, bidding, and campaign results.
* Work closely with both business and technical stakeholders to turn requirements into impactful, data-driven strategies that boost advertising performance and ROI.
* Improve and fine-tune existing ML models and data pipelines within the ad-tech space, ensuring they remain efficient and aligned with a fast-moving market.
Core skills/experience:
* 3+ years of experience in data science, preferably in a product-focused environment
* Bachelor's or Master's degree in Computer Science, Statistics, Mathematics, Data Science, or a related field.
* Strong analytical skills with the ability to learn how to derive insights from datasets.
* Solid understanding of statistical modeling and machine learning fundamentals.
* Excellent communication and collaboration skills, with the ability to work effectively in a team environment.
Tech Stack:
* Proficient in Python and SQL
* Experience with frameworks such as PySpark and Pandas
* Skilled with cloud services (e.G., AWS)
* Hands-on experience in DNN model training libraries and frameworks (e.G., PyTorch, TensorFlow, Hydra, Comet)
What's on offer?
* Competitive salary
* Hybrid working model from Barcelona's Hub (relocation package is included)
* Comprehensive benefits package
* Opportunities for professional development and growth
* Flexible work hours and vacation policy
* Great opportunity to kick-start your career in Data Science
Our recruitment process?
* Step 1:
Interview with our Recruiter to get to know you
* Step 2:
Interview with our client's HR Team
* Step 3:
Technical interview
* Step 4:
Interview with Hiring Manager