Osei Richard Sakyi
Data Analyst/ML Engineer
Fullstack Web Developer
Data Scientist and Full-Stack Developer with 4+ years of experience leveraging Python, SQL, and machine learning to drive insights, alongside building scalable web applications with React and Node.js. Certified in IBM Data Science and Google Data Analytics, with a track record of automating processes, improving efficiency, and delivering data-driven solutions.
Adept at collaborating within Agile and Scrum frameworks to achieve team goals effectively.
ABOUT
• Data Science & Machine Learning: Proficient in Python, R, TensorFlow, and Scikit-Learn. Experienced in supervised and unsupervised learning algorithms, feature engineering, and model deployment. Created recommendation systems and predictive models during my time at the Chamber of Petroleum Consumers and in various educational settings, including IBM and Google's Data Analytics programs.
• Graphic Design & AI Automation: Skilled in integrating AI tools for automation tasks, including connecting GPT models to automate workflows. Experienced in Adobe & Figma design tools, also in data visualization with tools like Power BI and Tableau, which I leveraged while working as a Junior Data Officer at COPEC.
• Web Development: Expertise in React-Next.js, Node.js, and Tailwind CSS. Currently working as a Full-Stack Developer at Roctech Software Solutions, where I enhance web applications for optimal user experience and ensure cross-browser compatibility.
PROJECTS
Graphics

I aim to leverage multiple machine learning techniques to analyze loan data and determine the factors that influence whether individuals repay their loans. By utilizing a dataset containing historical loan information, including,Principal borrower age,Education level,Gender,Loan Terms, Due Date,Effective Date, and Repayment Status, I will develop predictive models to identify key factors contributing to loan repayment behavior
Seaborn
matplotlib
pandas
numpy
sklearn
KNN
DecisionTree
LogisticRegression
SVM

Product Reviews Sentiment Analysis serves as a valuable asset for app developers and businesses, aiding them in comprehending user feedback, prioritizing feature updates, and fostering a positive user community. This process employs data analysis methods to discern the positivity, negativity, or neutrality of sentiments expressed within these reviews.
Seaborn
matplotlib
pandas
textblob
wordcloud
Natural Language Processing

Employed the Collaborative Filtering, also known as User-User Filtering. As hinted by its alternate name, this technique uses other users to recommend items to the input user. It attempts to find users that have similar preferences and opinions as the input and then recommends items that they have liked to the input.
pandas
seaborn
scipy
numpy
sklearn
Peason correlations

In this particular classification task, the Naive Bayes classifier is applied to predict the species of iris flowers based on their sepal length, sepal width, petal length, and petal width. Naive Bayes is a probabilistic machine learning algorithm that assumes independence between features, making it particularly suitable for classification tasks with a relatively small number of features like this one.
pandas
seaborn
scipy
numpy
sklearn

Exploring features or characteristics to predict the price of a car through Exploratory Data Analysis (EDA) is a meticulous journey into understanding the intricate factors that influence the market value of vehicles. Within this analytical process, various attributes of cars are scrutinized, dissected, and correlated to unravel patterns, trends, and dependencies that could help in accurately forecasting their prices.
pandas
numpy
sklearn
seaborn
scipy

The aim is to develop multiple predictive models that can accurately estimate the price of a car based on various variables or features associated with it. These models will leverage a range of factors such as the car's make, model, year of manufacture, mileage, engine specifications, fuel type, transmission type, and any additional features that may influence its market value.
seaborn
scipy
pandas
numpy
sklearn

Business data visualization plays a pivotal role in modern enterprises by transforming raw data into actionable insights. Through visually engaging charts, graphs, and dashboards, businesses can effectively analyze complex datasets, identify trends, and make informed decisions.
Tableau
csv

This project focuses on creating insightful and interactive visual representations of COVID-19 data from various sources such as government health agencies, research institutions, and global databases.
Tableau
csv
EXPERIENCE
REMOTE->AUG 2023 - PRESENT
Full Stack Web Developer . ROCTECH SOFTWARE SOLUTION
• Performes quality assurance tests on various sites to ensure cross browser compatibility and mobile responsiveness. • Ensuring cross-browser compatibility, by thoroughly testing and debugging websites and applications to guarantee consistent performance across different platforms. • Constantly worked to enhance the loading speed and efficiency of the user interface by optimizing code, images, and assets to reduce load times and improve overall performance.
Node
Express
MongoDB
NextJs
TailwindCSS
JANUARY 2022 - JULY 23
Junior Data Officer . CHAMBER OF PETROLEUM CONSUMERS (COPEC)
I collaborated with senior analysts, employing SQL and Python to gather, clean, and analyze vast datasets effectively. Additionally, I conducted thorough exploratory data analyses to uncover noteworthy trends and patterns within the data. Utilizing my expertise in Tableau and Power BI, I crafted interactive dashboards and reports, providing stakeholders with intuitive visualizations of key metrics and performance indicators.
pandas
numpy
sklearn
seaborn
scipy
Power BI
Tableau
REMOTE-> SEP 2022 - FEB 2023
Fullstack Developer . XENNOL LIMITED
Proficiently developed high-quality, robust production code across a wide spectrum of projects, showcasing versatility and adaptability in delivering tailored solutions. My experience spanned a diverse array of assignments, demonstrating the ability to work independently and excel in various project environments.
NextJs
MongoDB
Typescript
TailwindCSS
AWS
Express
Node
REMOTE-> FEB 2023 - NOV 2023
Frontend Web Developer . CEDIRATES
Developed, maintained, and successfully deployed production code for a comprehensive website project with a primary objective is providing up-to-date information regarding about a wide range of topics. This involved a user-friendly interface, and a seamless browsing experience for visitors seeking information on various subjects
React
CSS
Javascript