Position: Lead Data Scientist
Company: Surprise
Experience required: 5y
English level: fluent

**What will you be doing?**
Leading a team of Data Scientist;
Researching, designing, and implementing machine learning algorithms;
Communicating results, technical constraints, and decisions to the business and non-specialists;
Communicate and collaborate across teams to drive work forward;
Delivering rapid prototypes and proof of concepts that demonstrate real value;
Creating and delivering progress reports, slide decks, proposals, and documentation.
Design and coordinate scalable and agile data science systems – from data capture to ML service.

**What are we looking for?**
A BS or higher in computer science or a related field;
6+ years of experience in software development;
5+ years of experience in Data Science;
Experience in Leading a team of Data Scientists;
Extensive knowledge of and practical experience in Machine Learning, Recommender Systems, NLP and other Applications of Algorithms;
Practical experience with high-level programming language like Python and DS frameworks;
Proficiency in database query languages such as SQL;
Understanding of the ETL process;
Knowledge of Linear Algebra, Probability and Statistics, and Numerical methods;
Practical experience with the software development process, Agile approach, CRISP-DM, and CI/CD.
Upper-Intermediate English or higher (B2+).

**What skills will come in handy?**
Experience building large-scale recommender engines (collaborative filtering, KNN, associative rule learning, custom similarity metrics, etc.);
Understanding of predictive analytics (time-series analysis and forecasting, survival and duration analysis, etc.);
Ability to apply graph analysis techniques for structural pattern recognition;
Applied statistics skills, such as distributions, hypothesis testing, regression analysis, etc.;
Experience building microservices and containerized applications (Docker, k8s);
Familiarity with Big Data frameworks;
Experience with mining of structured, semi-structured, and unstructured data;
Experience with Feature Stores for ML;
Experience with data visualization and BI tools, such as Tableau, Plotly, etc.

**Benefits**
Work on interesting and challenging projects, while building a pioneering software category;
Great atmosphere, with the vibe and energy of a high-growth tech company;
Competitive salaries;
Close collaboration between UA and US team members;
Ultramodern office in the heart of Lviv (Magnus);
English classes and an immersive English-speaking work environment (we have a lot of native speakers at the office);
Corporate activities and parties;
Dedicated wellness area in the office;
20 working days of paid vacation and Public Holidays of Ukraine;
15 days of paid sick leave;
Medical Insurance;
Corporate Taxi (from/to office; up to amount);
Parking option;
And, of course, we use Surprise internally!