oumaima lahkiar - AI Model Developer | ContraWork by oumaima lahkiar
oumaima lahkiar

oumaima lahkiar

Software Engineer | AI & Data Science

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Cover image for Remaining Useful Life Prediction for
Remaining Useful Life Prediction for Aircraft Engines Category Machine Learning • Time Series • Predictive Maintenance Description Developed an AI-based predictive maintenance solution to estimate the Remaining Useful Life (RUL) of aircraft engines using multivariate time-series sensor data. The project involved preprocessing sequential data, feature engineering, model training, and performance evaluation to accurately predict engine degradation before failure. The solution demonstrates how Machine Learning can reduce maintenance costs and improve operational reliability in industrial environments. My Contributions Cleaned and preprocessed multivariate time-series data Performed feature engineering and data normalization Built predictive Machine Learning models for RUL estimation Evaluated model performance using regression metrics Visualized degradation trends and prediction results Optimized the prediction pipeline Technologies Python Pandas NumPy Scikit-learn TensorFlow Time Series Analysis Predictive Maintenance Data Visualization Machine Learning Key Skills Predictive Maintenance Remaining Useful Life (RUL) Time-Series Forecasting Regression Models Data Preprocessing Feature Engineering Industrial AI
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Cover image for skillBridge – Freelance Marketplace 
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Full-Stack
skillBridge – Freelance Marketplace Category Full-Stack Web Development Description Developed a freelance marketplace connecting clients and freelancers. The platform allows users to publish projects, submit proposals, manage applications, and rate each other through a complete multi-user workflow. My Contributions Developed backend modules Designed relational database Implemented authentication Created CRUD operations Built project and application management features Technologies Laravel PHP MySQL JavaScript HTML CSS Git GitHub UML
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Cover image for AssistWalk – AI-Powered Navigation Assistant
AssistWalk – AI-Powered Navigation Assistant Category AI • Computer Vision • Mobile Development Description Developed an intelligent assistance platform for visually impaired people, combining mobile, web, and backend technologies. The application uses AI and Computer Vision to detect obstacles in real time, perform OCR on text, provide voice assistance, and send SOS alerts with geolocation. The solution also includes companion and administrator web dashboards for monitoring and management. My Contributions Designed the backend architecture with Spring Boot Developed AI features for obstacle detection and OCR Built REST APIs Integrated Firebase services Designed the PostgreSQL database Collaborated on Flutter and React applications Technologies Spring Boot React Flutter PostgreSQL Firebase Python Machine Learning Computer Vision OCR
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Cover image for Industrial Operations Management System (OCP
Industrial Operations Management System (OCP Internship) Category Full-Stack Development Description Developed an industrial web application during my internship at OCP Group to digitalize manufacturing processes. The platform enables real-time production monitoring, matrix generation, and operational alert management, helping streamline industrial workflows. My Contributions Developed the Laravel backend Designed the MySQL database Implemented MVC architecture Built responsive interfaces Integrated real-time operational features Technologies Laravel PHP JavaScript MySQL HTML CSS MVC UML
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