Senior Data Scientist Berlin

Overview

We are looking for a Senior Data Scientist to join the AI Platform Team at Smartly! Our team works on helping marketers make the most of their ad creatives (images, video, text) and campaigns (product and performance data). We build and experiment with AI-based solutions across the media and creative workflows. You will have the opportunity to take ownership of and work on high impact projects.

Join us in building high impact ML-based solutions to help our customers to build better and more effective advertising experiences for their consumers. If you’re a growth minded individual who has a passion for Data Science and the marketing space, this team is for you!

Responsibilities

• Implement, build, and deploy scalable models and machine learning solutions that enable our users to craft great advertising experiences and campaigns with a focus on maintainability, observability, scalability and stability.
• Own projects end-to-end: from problem framing and data exploration to modeling, validation, and monitoring in production.
• Work with a large span of datasets from image to video to audio to text to structured performance data.
• Analyze large-scale datasets to uncover insights, trends, and opportunities that inform product strategy and customer outcomes.
• Collaborate with data scientists, senior machine learning engineers, and software engineers to productionize AI/ML applications robustly and efficiently.
• Be a core contributor of our team and our ways of working to build high impact products, including work planning, retrospectives, and overall team improvement.
• Impact the daily life of the staff of the hundreds of advertisers using Smartly.
• Work with stakeholders - product, engineering, infrastructure - to ensure we meet customers where they are. Translate business/product needs to viable solutions.
• Apply and enhance soft skills through knowledge sharing, productive meetings, and pair programming/debugging.
• Keep up to date with the latest AI innovations, especially in generative AI, computer vision, natural language processing and explainability.

Qualifications

• 5+ years of experience in data science or applied machine learning
• 2+ years of experience working with cloud infrastructure such as AWS or GCP
• Strong foundation in linear algebra, statistics, and calculus
• Fluent in Python; experience with C++ or Java is a plus
• Hands-on experience with modern ML frameworks (e.g., PyTorch, TensorFlow)
• Knowledge of MLOps concepts and tools (e.g., MLflow, Kubeflow)
• Experience in feature engineering, model design, evaluation, diagnostics, and monitoring
• Analytical mindset with a problem-solving approach
• Passion for solving customer challenges quickly while making thoughtful architectural decisions
• Ability to communicate complex technical findings to both technical and non-technical stakeholders
• Strong written and verbal communication skills in English
• M.Sc. in a relevant field is preferred
• Ability and willingness to work in a hybrid capacity from our office 3 days a week

What We Offer You

• Inclusive Culture: Join a team of over 750 Smartlies representing more than 60 nationalities across 24 locations in 13 countries, fostering trust, transparency, and open feedback.
• Global Impact: Be part of a company making a global impact, directly influencing customers and business growth.
• Wellbeing Focus: Generous healthcare, mental health services, and a healthy work-life balance with paid holidays and family leave.
• Total Rewards: Equity options, performance-based rewards, competitive compensation, and career development opportunities.
• Hybrid Workplace: Hybrid model with office and remote work, with the option to work abroad for up to 30 days.

Smartly is committed to being the best place to work for growth-minded individuals to thrive.

About Smartly

Smartly is the AI-powered advertising technology company transforming ad experiences for brands and their consumers. Our advertising platform integrates media, creative, and intelligence to power impressions and creatives at scale, delivering tangible outcomes for brands and advertisers.

Smartly is recognized as a Leader in The Forrester Wave: Creative Advertising Technologies. We manage creative and media for 700+ brands worldwide and $6B in ad spend across major platforms. We are a multinational and diverse team of 750+ employees from 60+ nationalities, across 13 countries, with a strong commitment to diversity, equity & inclusion.

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