Senior Data Scientist
vor 2 Monaten
**Senior Data Scientist (M/F/d)**
**Europe, Remote**
**________________________**
**HelloI 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.**:
- **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
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