Silbaway Ra-is Osumanu

Machine Learning Engineer & NLP Specialist

Transforming complex data challenges into innovative AI solutions

Professional Summary

Result-driven and highly skilled Machine Learning Engineer with a specialization in Natural Language Processing (NLP). Possessing a solid foundation in mathematics, statistics, and computer science, I excel in designing and implementing innovative machine learning solutions to tackle complex problems in language understanding and generation.

With hands-on experience in developing and deploying state-of-the-art NLP models using frameworks like TensorFlow, PyTorch, SpaCy, and AWS SageMaker, I have a proven track record of delivering high-quality, scalable solutions that drive business value.

Location

Accra, Ghana

Connect

Technical Expertise

Machine Learning & AI

  • TensorFlow & PyTorch
  • Deep Learning & Neural Networks
  • Machine Learning Algorithms
  • Computer Vision

NLP & Chatbots

  • Natural Language Processing
  • Transformers & LLMs
  • Rasa & Dialogflow
  • SpaCy & NLTK

Development

  • PHP & Laravel
  • Python & FastAPI
  • RESTful APIs & AWS
  • Docker & Kubernetes

Certifications

Databricks Lakehouse Fundamentals

Databricks - February 8, 2024

Generative AI Fundamentals

Databricks - January 22, 2024

Open Source Models

Contributing to the AI community through open-source models on Hugging Face

Medical Generation Model

Hugging Face

Fine-tuned T5 model for medical diagnosis

A specialized model designed to generate medical diagnoses and treatment recommendations. Trained on clinical scenarios to provide accurate and contextually relevant medical outputs.

T5TensorFlowMedical AI
View on Hugging Face

Lyrics Generation Model

Hugging Face

Fine-tuned GPT-2 for Ghanaian lyrics

A creative AI model trained on Ghanaian artist lyrics, capable of generating coherent and contextually relevant song lyrics based on input prompts.

GPT-2TensorFlowNLP
View on Hugging Face

Medical Generation Model with COT

Hugging Face

Advanced medical diagnosis model with step-by-step reasoning

An enhanced version of the medical generation model that incorporates Chain of Thought reasoning for improved diagnostic accuracy. Fine-tuned on clinical datasets to provide detailed, logical medical assessments and treatment recommendations for healthcare professionals.

T5 TransformerChain of ThoughtMedical AITensorFlow
View on Hugging Face

Professional Experience

Senior Software Engineer

Renobytes – Accra, Ghana (Remote)

June 2023 - Present

  • Developed scalable applications using agile methodologies for timely project delivery
  • Architected and implemented robust USSD applications and backend integrations using PHP/Laravel
  • Developed custom sentiment analysis models tailored to specific industries
  • Led migration efforts to cloud-based infrastructure for NLP applications

Senior Application Manager

Halges Financial Technology – Accra, Ghana

October 2017 - November 2023

  • Built and maintained multiple USSD applications for financial services using PHP/Laravel
  • Implemented advanced machine learning techniques for better understanding of complex language patterns
  • Developed RESTful APIs and backend integrations for mobile money services
  • Mentored junior developers in PHP/Laravel best practices and USSD application development

Teaching Assistant

University of Ghana, Computer Engineering Department

September 2016 - 2018

  • Assisted professors in course management and material coordination
  • Provided tutoring support and reviewed student assignments
  • Facilitated a positive learning environment for computer engineering students

Education

Bachelor of Science: Computer Engineering

University of Ghana - Accra, Ghana

October 2012 - June 2016

Key Accomplishments

  • 2019/2020 MTN MoMo and Ericsson Developer Hackathon Challenge Second Place Winner
  • Successfully developed and deployed over 10 USSD applications using PHP/Laravel, serving thousands of users in Ghana's financial sector
  • Reduced customer churn by 10% through implementation of machine learning models and robust backend systems
  • Led the development of critical payment integration systems using Laravel, connecting multiple financial institutions

Featured Projects

Crowdfunding Application

A prototype crowdfunding application enabling users to upload projects and receive contributions from supporters. Contributors can vote on fund disbursements requested by project creators. Features sentiment analysis on comments using machine learning for community feedback insights.

Nuxt.js 2LaravelMachine LearningSentiment Analysis

Recognized as a notable project under the MTN Platform Accelerator program in 2024

Blood Cell Classification

View on GitHub

Deep Learning for Medical Imaging

Developed a machine learning pipeline to classify blood cell images into different subtypes using various approaches, including CNN, EfficientNet, and Vision Transformer (ViT). Achieved highest accuracy using the Vision Transformer model on a dataset of 12,500 images.

Deep LearningComputer VisionMedical AIVision Transformer
Vision Transformer:76.8% accuracy
EfficientNet:64.5% accuracy

Customer Forecasting Dashboard

View on GitHub

Interactive Data Visualization & Forecasting

A sophisticated dashboard application for customer behavior analysis and forecasting. Built with Facebook Prophet for accurate predictions and Plotly Dash for interactive visualizations. Features include historical trend analysis, pattern detection, and customizable forecast periods.

PythonFacebook ProphetPlotly DashData Visualization
Interactive customer data visualization with customizable time periods
Time series forecasting using Facebook Prophet
Dynamic dashboard for real-time data exploration and analysis

Learn For Me

Chatbot for Document Retrieval and Summarization

Developed an intelligent chatbot that allows users to upload documents, which are then converted into embeddings and stored in a vector database. Implemented a similarity search mechanism to retrieve relevant content based on user queries.

LLMsVector DatabaseNLP

Bufei

Virtual Assistant Food Ordering Bot

Developed a virtual assistant food ordering bot for WhatsApp and Telegram, enabling user registration, login, and location sharing to find nearby restaurants. Built with PHP, Laravel framework, and JavaScript, hosted on AWS.

PHPLaravelAWS

Sales and Customer Churn Prediction

Machine Learning Project

Developed and deployed a machine learning model achieving 95% accuracy for sales prediction with recurrent neural networks and 87% for churn prediction with XGBoost and Random Forest. Improved sales by 15% and reduced churn by 10%.

Pythonscikit-learnNeural Networks

Plant Disease Prediction

Image Classification using Deep Learning

Developed an image classification model to predict plant diseases using a fine-tuned pre-trained ResNet architecture. The system accurately identifies various plant diseases from uploaded images, aiding in early detection and effective management of plant health.

TensorFlowResNetDeep Learning

Web Intelligence Summarizer

AI-Powered Web Research Assistant

Developed an intelligent web research system that automatically gathers and analyzes information about people from across the internet. When users input a name, the system leverages search engine APIs to fetch relevant content and posts, processes the data using OpenAI's language models, and generates comprehensive, categorized summaries of the person's online presence and activities.

PythonSearch Engine APIOpenAI APIFastAPI
Efficient data collection using search engine APIs for comprehensive name-based searches
Utilizes OpenAI's models for accurate text summarization and content categorization
Built with FastAPI for efficient request handling and response generation
Organizes findings into structured, easy-to-read categories for better understanding

Medical Generation Model

View on HuggingFace

Chain of Thought Medical Diagnosis Model

Developed a fine-tuned medical diagnosis model incorporating Complex Chain of Thought (CoT) reasoning. The model enhances logical and step-by-step reasoning in clinical scenarios, providing contextually aware and clinically relevant responses for medical professionals and AI-assisted healthcare solutions.

T5 TransformerTensorFlowChain of ThoughtMedical AI
Fine-tuned on structured medical datasets and clinical scenarios
Implements Complex Chain of Thought reasoning for improved diagnosis accuracy
Built on T5 architecture with custom medical domain adaptation
Optimized for medical diagnosis and treatment recommendations