Responsibilities:

• Developed and supported machine learning models for tasks such as scoring, ranking, and content recommendations, using Python, R, and AWS tools.
• Increased paying user conversions by 11% by identifying key features based on free user behaviours and recommending targeted features for paid users.
• Boosted job applications from paying users by 30% by automating CV submissions through a job-CV scoring model.
• Built a data framework that automated the end-to-end reporting process, from data extraction to delivering actionable business insights, using tools like Tableau, Power BI, and Miro to communicate insights clearly to stakeholders.
• Streamlined data analysis and reporting workflows by integrating diverse data sources, including MySQL, AWS S3, and Google Analytics.

Responsibilities:

• Created a user conversion propensity model to increase lead conversions, leveraging Python and AWS SageMaker.
• Led A/B testing initiatives for product teams, optimising pricing strategies, business models, and new product launches with a focus on enhancing customer experience.
• Performed in-depth quantitative analysis across multiple data sources to uncover marketplace insights and identify growth opportunities.
• Collaborated with cross-functional teams, including product, engineering, and marketing, to ensure data-driven decision-making.

Responsibilities:

• Conducted Item Response Theory (IRT) analysis to estimate student abilities and evaluate item performance for 3 large-scale assessments in São Paulo and Pará in Brazil.
• Developed and delivered detailed educational performance reports for 645 cities in São Paulo, offering schools actionable insights into student achievement and areas for improvement.
• Utilised statistical expertise to clean, analyse, and present results from large-scale student databases using MySQL and R, contributing to educational assessments post-degree.
• Presented key findings to stakeholders, including government officials and educational institutions, ensuring clear communication of assessment outcomes and recommendations.