Senior Data Scientist

Summary

Join Competera, a company building a platform for optimal pricing decisions using AI. We are seeking a Senior/Lead Data Scientist to enhance our solution delivery. This role involves leading and mentoring a team of data scientists, developing and maintaining data science solutions, and collaborating with other teams. You will be responsible for algorithm testing, code reviews, and automating data science workflows. The ideal candidate possesses extensive experience in data science, strong programming skills, and excellent communication abilities. We offer a remote-first work environment with flexible hours, various benefits, and opportunities for professional development.

Requirements

• A minimum of 5 years of experience in data science or a related field
• Proficiency in SQL for data manipulation and extraction
• Strong Python skills, capable of writing modular and readable code for experiments and prototypes
• A solid mathematical background, preferably in a Computer Science-related field
• Proficiency in the scientific Python toolkit, including NumPy, pandas, scikit-learn, and either Keras/TensorFlow or PyTorch
• Familiarity with Time Series Forecasting approaches
• Experience in statistical testing methodologies, including A/B testing
• At least 3 years of experience working with tabular and mixed (multimodal) data (e.g., tabular data combined with text, audio, or images)
• Upper-intermediate or higher level of English (for future communication with clients and user interviews)

Responsibilities

• Be responsible for DS-ML-related solutions developed by all Service and Delivery(SnD) squads: maintenance and improvement of existing solutions; design, development, and implementation of new solutions
• Provide technical leadership for other SnD DSs
• Test developed algorithms, work with the SnD team within UAT, adapt, and reach DOD and DOR
• Verify key tasks done by SnD DS, such as model training and AB test design
• Conduct code reviews for DS-ML-related solutions
• Automate DS work in SnD
• Develop data requirements for SnD implementation projects
• Cooperate with IM and DE to achieve and maintain the optimal dataset configuration according to DS-ML needs
• Measure solution stability, quality, and effectiveness; transparently communicate the current state of things to other roles/teams, and suggest and implement improvements
• Regularly collaborate (provide prototypes/ideas/detailed feature requests) with RnD Teams on tools for SnD

Preferred Qualifications

• Analytical mindset and strong critical thinking abilities
• Leadership skills to efficiently organize the data team (Data Scientists, Data Engineers, Data Analysts)
• Agile approach, with the ability to experiment and test hypotheses in an unstable business environment
• Business-oriented mindset, able to translate complex models into simple business language
• Excellent presentation skills, capable of communicating complex ideas effectively
• Curiosity and a commitment to continuous learning within the domain
• Strong team player, able to collaborate effectively with cross-functional teams

Benefits

• Rich innovative software stack, freedom to choose the best suitable technologies
• Remote-first ideology: freedom to operate from the home office or any suitable coworking
• Flexible working hours (we start from 8 to 11 am) and no time tracking systems on
• Regular performance and compensation reviews
• Recurrent 1-1s and measurable OKRs
• In-depth onboarding with a clear success track
• Competera covers 70% of your training/course fee
• 20 vacation days, 15 days off, and up to one week of paid Christmas holidays
• 20 business days of sick leave
• Partial medical insurance coverage
• We reimburse the cost of coworking