Stevedavies Wambui

AI & Machine Learning Engineer • Data Analyst • Business Intelligence Analyst • SF, CA, US

Android

SQL

scikit-learn

Natural Language Processing

Machine Learning

pandas

PowerBI

Python

Data Visualization

Data Analysis

Data Science

Available for hire fromNegotiable

Curious, enthusiastic, and adaptive data scientist with a passion for education and innovation.

I am a recent graduate with a Bachelor's Degree in Computer Science from Minerva University. I have experience working in data science at Meta and with machine learning algorithms. I am looking for data analysis, data science, data visualization, machine learning, and backend work. I take pictures during my free time.

Projects

Crop Yield Prediction

● Built a crop yield prediction web application based on insights gathered from initial user interviews, ensuring the application addresses the specific challenges faced by farmers. ● Trained and evaluated multiple regression models, including a random forest regressor, SGDregressor, and linear regression, to develop accurate predictions. ● Presented the web application to a group of farmers in Kenya, gathered their feedback on its utility and effectiveness, and actively incorporated feedback to improve its relevance. See More

Text Summarization with Deep Learning

● Scraped data from agricultural websites with Beautifulsoup, and prepared it into a dataframe. ● Performed topic modeling with TFIDF and LDA to get the most common themes in the text. ● Summarized the whole text with pre-trained deep learning models: GPT3, BERT, XLNET. Computed rouge score to check summary performance. ● Performed extractive summarization with graph-based textrank algorithm and cosine similaritySee More

Adult Income Classification

● Exploratory data analysis, data wrangling, and data visualization on Census Income data containing over third thousand data entries. ● Performed classification analysis on all features and income: built machine learning models with Scikit-Learn and compared the model that best classified the data. Documented the process and explained results. ● Classified adults’ income with 84% accuracy as lower or higher than $50000.See More

Flashcard App

● Built a Flashcard Android app that allows users to prepare a question and answer flashcards with Java in Android Studio. ● Fixed bugs and improved app performance. ● Iterated on the app design and improved the user interface.See More

Work History

FBU - Data Science Intern

FaceboolJun 2021 - Aug 2021 • 2 mos Spearheaded an understanding of Facebook group admins in the US and Canada and provided recommendations for better feature and product improvements for their use case. Performed an A/A test to ensure that the experiment we were running was using a statistically fair tool. Collaborated with Product Managers, User Researcher, Software Engineers and Data Scientists in determining the best metrics to determine feature adoption.

Data Science Intern

Sabudh FoundationOct 2020 - Dec 2020 • 3 mos Collaborated with a multifaceted team of technologists to model weather data, consumption patterns, and storage solutions to optimize for the best configuration for a solar power system within rural India. Built a predictive model that helped reduce power expenses by at least 25% during low sunshine months and provided recommendations to Akal Academy.

Data Science Intern

MetaMay 2022 - Present • 2 yrs 5 mos Providing product recommendations for improved flows and placements for users interacting with the chatbot in the Meta Store Help Center. Analyzing text data with Keras adn PyText from chatbot interactions to understand user behavior and provide recommendations for optimizing the chatbot.

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