Middle Data Scientist

Summary

Join Competera, a company building a platform for optimal pricing decisions using AI. We are seeking a Middle Data Scientist to enhance our solution delivery. This role involves validating datasets, designing POC solutions, developing technical solutions, training models, and troubleshooting issues. The ideal candidate possesses 2+ years of data science experience, strong SQL and Python skills, a solid mathematical background, and expertise in scientific Python libraries. We offer a remote-first ideology, flexible working hours, regular performance reviews, and various benefits including partial medical insurance, paid time off, and training reimbursement.

Requirements

• 2+ years of experience in data science or a related field
• Strong SQL skills for data manipulation and extraction
• Proficiency in Python, with the ability to write modular and readable code for experiments and prototypes
• A solid mathematical background, preferably in a Computer Science-related field
• Expertise in scientific Python libraries, including NumPy, pandas, scikit-learn, and either Keras/TensorFlow or PyTorch
• Familiarity with Time Series Forecasting methodologies
• Experience in statistical testing, including A/B testing
• 1+ years working with tabular and multimodal data (e.g., combining tabular data with text, audio, or images)
• Upper-intermediate or higher English level

Responsibilities

• Validate datasets to ensure data accuracy and consistency
• Design proof-of-concept (POC) solutions to explore new approaches
• Develop technical solutions by mapping requirements to existing tools and functionalities
• Train models and create custom approaches for new domains
• Troubleshoot data processing and model performance issues

Preferred Qualifications

• Analytical mindset and critical thinking to solve complex problems
• Agile approach, with the ability to experiment and test hypotheses in a dynamic business environment
• Business-oriented thinking, capable of translating complex models into clear business insights
• Curiosity and a drive for continuous learning in the data domain
• Strong team player, able to collaborate across cross-functional teams

Benefits

• 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