Tasks

• Developed visualizations for client segments and profiles
• Predicted churn likelihood with machine learning models
• Set up data warehouse and database schema
• Automated data updates for Power BI dashboard
• Implemented alert system for data updates and exchanges
• Created tools for churn retention strategies
• Compiled detailed project documentation

Challenges

Building a robust data infrastructure and predictive models for effective churn retention.

Solutions

• Set up a data warehouse (likely AWS Redshift or Google BigQuery).
• Use scikit-learn models and gradient boosting for churn prediction.
• Automate data processes and implement retention strategies.

Outcomes

Improved client retention and data-driven decision-making through advanced analytics.

Technologies Used

Tasks

• Develop a complex solution for taxi aggregator service
• Analyze user feedback in various languages
• Implement a multilingual pipeline
• Establish quality control measures
• Create custom-tailored categories

Challenges

Efficiently analyzing users’ feedback in various languages. The need for a multilingual pipeline, quality control measures, and the requirement for custom-tailored categories.

Solutions

• Developed a complex solution for analyzing user feedback
• Created a multilingual pipeline for processing reviews
• Implemented quality control measures
• Established custom-tailored categories for feedback analysis

Outcomes

• Our comprehensive consulting solution resulted in a 20% decrease in the amount of negative feedback (1-2 stars)

Technologies Used

Tasks

• Enable real-time audio and text recognition
• Provide instant insights for sellers
• Develop a new feature for customizing video and audio content

Challenges

Enabling real-time audio and text recognition, providing instant insights for sellers. Developing a new feature for customizing video and audio content, aiming to enhance the platform’s functionality.

Solutions

• Released real-time audio and text recognition & processing to offer immediate information to sellers
• Developed a new feature of video and audio customization
• Data annotation for multilanguage audio data

Outcomes

• Immediate information delivery through real-time recognition
• Enhanced platform functionality with customizable video and audio content
• Multilanguage data annotation for broader reach

Technologies Used