Senior Data Scientist

Senior Data Scientist (m/f/d) Europe Remote _______________________________________________

Hello👋I am Puneet Co-founder and CPO at Kayzen and I am now looking for a Senior Data Scientist to join our team 🙌

But wait you have not heard of Kayzen before?😃

Kayzen is a mobile demand-side platform (DSP) dedicated to democratizing programmatic advertising. We enable leading app developers agencies media buyers and brands to run programmatic performance campaigns in both self-serve and managed service modes.

Built on the three core pillars of performance transparency and control Kayzen powers the world's best mobile marketing teams to take programmatic advertising in-house.

With an unprecedented scale of >160bn daily ad requests from 2bn+ unique users worldwide we serve more than 700M M ads per day in 180 countries. Kayzen is accessible through our APIs or user interface.

The Team

You will work with a carefully selected diverse and globally distributed Data Science team (like Heiko Chen ) on various machine-learning models that process terabytes of data serving billions of ad requests and users around the globe in real-time. We are highly motivated and aligned in our quest to disrupt the multi-billion dollar ad-tech industry.

We would like you to be part of our journey as our Senior Data Scientist (m/f/d) .

Responsibilities

Our day-to-day work in Data Science and Machine Learning encompasses a wide range of activities including:

• Enhancing Models: Continuously improving existing models by incorporating new features fine-tuning parameters and utilizing additional data.

• Algorithm Development: Collaborating with our Machine Learning Engineering team to develop and deploy scalable supervised and unsupervised learning algorithms.

• Data Exploration: Identifying and exploring new data sources while researching innovative ways to leverage both new and existing data effectively.

• Solution Research: Investigating new Machine Learning solutions to optimize every step of our value chain.

• A/B Testing: Regularly conducting and evaluating A/B tests to drive insights and refine our strategies.

You’ll be a great fit if you resonate with the following principles of Data Science and Machine Learning:

• Simplicity First: We prioritize finding the best solutions to challenges rather than forcing problems to fit predetermined solutions.

• Impact-Driven: We leverage Machine Learning to enhance our product and drive performance for our clients always focusing on tangible business outcomes.

• Collaborative Spirit: Our teams consist of analysts engineers and data scientists making strong communication skills essential for success.

• Embrace Experimentation: We believe in the power of experimentation to innovate and refine our approach continually.

Requirements

• Extensive experience in developing data science products from initial research through to production deployment.

• Strong coding skills with a focus on clean reproducible and well-tested code.

• Proficient in key tools and technologies including Python Spark Hadoop Airflow Docker and SQL.

• Hands-on experience with algorithms for handling sparse and large datasets including applications in prediction clustering and outlier detection.

• Familiarity with Gradient Boosting Trees (CatBoost LightGBM) in production environments is a plus.

• Experience in building neural network-based products for tasks such as classification regression and multi-task learning is highly valuable.

• Bonus skills: Knowledge of reinforcement learning and large-scale optimization problems is a significant asset.

• Good understanding of dashboards and SQL for developing and enhancing monitoring tools.

• Previous experience in Ad-Tech is a must.

What do we offer?

• Exceptional career growth and learning opportunity

• A unique opportunity to be part of an experienced team of industry experts and entrepreneurs who bring massive change to the Adtech market

• Direct day-to-day work experience with the management

• A fun driven and multinational team located across Germany India Argentina Canada Spain Turkey the UK and many more.

• A flexible work-from-home arrangement

• Opportunity to relocate to our office in Berlin

• A 500-dollar home-office setup budget

• A 1000-dollar annual learning and development budget