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Ai Mainstream

Stéphane Wirtel: Certified AI Developer – A Journey of Growth, Grief, and New Beginning

My experience with Alyra’s Machine Learning and Deep Learning certification has been truly transformative over the course of three rigorous months. The completion of the AI Developer Certification signifies not just the end of a course, but a personal journey of rediscovering mathematics, overcoming challenges, and proving my ability to learn deeply even in the face of adversity.

Despite my 20 years as a Python developer, I had believed I had reached a learning plateau until delving into AI and machine learning. This field represents a paradigm shift in problem-solving, emphasizing understanding concepts like data analysis, probability, linear algebra, and neural networks from their foundational principles.

The certification highlighted the ongoing relevance of mathematics, the problem-solving capabilities of deep learning, and the importance of theoretical understanding for practical application. The process reinforced the idea that growth stems from challenges, particularly when venturing into unfamiliar territory.

The certification program was titled AI Application Developer with Big Data Analytics and involved 120 hours spread over 12 weeks. The format included evening classes from Monday to Thursday, but in reality required closer to 8 hours daily when factoring in project work.

The core curriculum covered linear algebra, probability theory, geometry, activation functions, backpropagation, optimization algorithms, data preprocessing techniques, feature engineering, and normalization processes. This laid the groundwork for selecting appropriate algorithms for different scenarios and emphasized the significance of data preparation in model training.

Building models from scratch allowed me to experience failure, understand underlying issues, iterate on solutions, and ultimately achieve success. Deep Learning introduced me to more complex data structures like images, text, and audio processed by neural networks.

Exploring modern AI architectures such as CNNs for computer vision and RNNs/LSTMs for sequential data provided insights into how AI interprets different input types. Deployment strategies were also covered to transition from prototype models in Jupyter notebooks to production-ready systems.

The certification journey was not without its challenges; personal loss coincided with project deadlines requiring immense dedication and perseverance to complete. However, with unwavering support from family and understanding from peers and instructors at Alyra, I successfully navigated through these difficulties.

This experience underscored the importance of continuous learning and growth regardless of one’s level of expertise. Moving forward, I aim to leverage my newfound knowledge in machine learning and deep learning alongside my extensive Python background to contribute meaningfully in this evolving field.