The Sr Data Scientist will be part of the design, training, and execution of machine learning models, working independently with little support from more experienced members of the team.

They also participate in curating datasets, cleaning and preparing data, measuring models’ performance, as well as participating in all the different parts of the ML Pipeline, from data collection, to deployment. The main objective of this role is to develop well-designed AI solutions that could be used for recommended systems, classifiers, computer vision applications, virtual assistants, translation apps, chatbots, etc, while also sharing their knowledge with less experienced members and the internal AI community.

What are the main responsibilities of this role?

• Develop and implement a sophisticated two-stage system for marketing impact analysis and budget optimization
• Build time-series models that capture different delay effects across marketing channels
• Design budget allocation optimization algorithms with multiple constraints
• Collaborate on implementing and fine-tuning LLM systems for audience segmentation
• Integrate diverse data sources (CRM, adserver, analytics, trackers)
• Work directly with the client in knowledge transfer sessions
• Identify potential AI opportunities in existing processes and clients to solve business problems.
• Generate content related to the area and give talks. 
• Mentor other members of the area.

Which skills and experience do we envision for this role?

• +3 years of experience in applied data science. Nice to have experience in marketing or advertising.
• Proven experience with marketing mix models and/or multi-touch attribution.
• Advanced knowledge in statistical modeling, time-series forecasting, and optimization techniques.
• Proficiency in Python and machine learning frameworks (scikit-learn, TensorFlow/PyTorch).
• Experience with LLMs, and model fine-tuning.
• Familiarity with Snowflake, AWS, and modern data architectures
• Ability to translate complex models into actionable insights for business stakeholders
• Skills in designing scalable and modular solutions following MLOps best practices
• Intermediate technical background, including different languages, platforms, and tools for maintaining data intensive projects.
• Communication skills.
• Background with agile methodologies

Join our team and enjoy:

• Opportunities to organize cross-functional initiatives and receive 360 Feedback to improve your skills continuously.
• Gym benefits, psychological counseling, and weekly lunch reimbursements
• An Onboarding kit and access to cutting-edge technologies and tools to make your work easier.
• Referrals program bonuses special occasions gifts to celebrate your achievements.
• People Care referent to support your well-being and personal development

We value your well-being and happiness. We grow together!

How we work:

• We offer a flexible and diverse work environment that fosters multicultural talent
• We value autonomy and creativity, We want people to bring ideas to the table and to think as leaders.
• We put our focus on real human connections

For more details about our project and work, check out our website: https://www.rootstrap.com/

At Rootstrap we help companies launch, grow, and scale their digital products and services. With over 290 global team members, we’ve built products for clients like MasterClass, Universal, Google, as well as innovative startups and inspired pioneers. Earning regular recognition with Fastest Growing Company & Best B2B Service Provider Industry accolades, our team prides itself on making an impact that transcends our individual efforts. Our team is fully remote and our hubs are located in Uruguay, Argentina and Colombia