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Hi, I’m Etienne Leroy, a bilingual AI/ML engineer with 5+ years of experience delivering production-ready AI solutions across finance, e-commerce, music apps, and engineering. I specialize in scalable ML architectures, MLOps, and delivering cost reductions and improved customer experiences. I’ve led end-to-end AI projects, from data collection and model development to deployment and monitoring, across hybrid cloud and edge environments. I’m a Permanent Resident of Canada actively seeking opportunities to drive innovation with scalable AI systems. I bring hands-on experience in fintech, vision, and audio AI, a collaborative mindset for cross-functional teams, and a proven track record of reducing operational costs while improving product quality and user outcomes.…Hi, I’m Etienne Leroy, a bilingual AI/ML engineer with 5+ years of experience delivering production-ready AI solutions across finance, e-commerce, music apps, and engineering. I specialize in scalable ML architectures, MLOps, and delivering cost reductions and improved customer experiences. I’ve led end-to-end AI projects, from data collection and model development to deployment and monitoring, across hybrid cloud and edge environments. I’m a Permanent Resident of Canada actively seeking opportunities to drive innovation with scalable AI systems. I bring hands-on experience in fintech, vision, and audio AI, a collaborative mindset for cross-functional teams, and a proven track record of reducing operational costs while improving product quality and user outcomes.

Etienne Leroy

AI Engineer, Data Scientist, Data Analyst, +1

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Hi, I’m Etienne Leroy, a bilingual AI/ML engineer with 5+ years of experience delivering production-ready AI solutions across finance, e-commerce, music apps, and engineering. I specialize in scalable ML architectures, MLOps, and delivering cost reductions and improved customer experiences. I’ve led end-to-end AI projects, from data collection and model development to deployment and monitoring, across hybrid cloud and edge environments. I’m a Permanent Resident of Canada actively seeking opportunities to drive innovation with scalable AI systems. I bring hands-on experience in fintech, vision, and audio AI, a collaborative mindset for cross-functional teams, and a proven track record of reducing operational costs while improving product quality and user outcomes.…Hi, I’m Etienne Leroy, a bilingual AI/ML engineer with 5+ years of experience delivering production-ready AI solutions across finance, e-commerce, music apps, and engineering. I specialize in scalable ML architectures, MLOps, and delivering cost reductions and improved customer experiences. I’ve led end-to-end AI projects, from data collection and model development to deployment and monitoring, across hybrid cloud and edge environments. I’m a Permanent Resident of Canada actively seeking opportunities to drive innovation with scalable AI systems. I bring hands-on experience in fintech, vision, and audio AI, a collaborative mindset for cross-functional teams, and a proven track record of reducing operational costs while improving product quality and user outcomes.

Available to hire

Hi, I’m Etienne Leroy, a bilingual AI/ML engineer with 5+ years of experience delivering production-ready AI solutions across finance, e-commerce, music apps, and engineering. I specialize in scalable ML architectures, MLOps, and delivering cost reductions and improved customer experiences. I’ve led end-to-end AI projects, from data collection and model development to deployment and monitoring, across hybrid cloud and edge environments.

I’m a Permanent Resident of Canada actively seeking opportunities to drive innovation with scalable AI systems. I bring hands-on experience in fintech, vision, and audio AI, a collaborative mindset for cross-functional teams, and a proven track record of reducing operational costs while improving product quality and user outcomes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Language

English

Fluent

French

Fluent

Work Experience

AI ML Engineer at Freelance

September 1, 2024 - November 25, 2025

Developed AI solutions for diverse clients including music apps, trading platforms, e-commerce sites, and agentic apps. Built llama.cpp-rs / vLLM monolithic quiz answering system (custom LLM backend) and implemented data scraping from websites.

AI ML Engineer - Finance at BrainFinance

August 31, 2024 - August 31, 2024

Optimized AI performance by reducing API call latency by ~1s using ML libraries and sparse matrices. Contributed to the full SDLC to improve product quality and reduce operating costs by 10%. Deployed DialogFlow CX chatbot with Gemini LLM increasing coverage by 33% and created an AWS chatbot with Claude AI, reducing peak call volume by 20% via IVR integration. Developed fraud detection models (XGBoost, Isolation Forest) lowering client risk by 20%. Introduced regulation-compliant code for FinTech guidelines and led MLOps across hybrid cloud with Kubeflow/Vertex AI.

AI Engineer - Audio at SoundX AI

December 31, 2022 - December 31, 2022

Managed AI project lifecycle for hearing-assistive music technology. Developed CNN model with TensorFlow to transform audio signals into visual representations. Implemented a frequency-based volume equalizer using scikit-learn and NumPy. Trained the sound engineering team on AI model deployment and optimization.

AI Engineer - Computer Vision at ATOS

July 31, 2022 - July 31, 2022

Led end-to-end predictive maintenance AI system using computer vision on edge devices. Deployed on Jetson Nano with Raspberry Pi cameras; implemented TensorFlow2 CNN models with TensorRT optimization for 40% faster inference. Created CI/CD pipelines using Docker and NGC, reducing rebuild time by 80%. Implemented on-premise GPU-enabled CI/CD for PyTorch and YOLO; established GitOps workflows with Terraform. Contributed to pre-sales activities and European Cloud/Smart Cities initiatives.

Application Support at Airbus

September 30, 2019 - September 30, 2019

Provided application support and development for engineering systems (Linux, Matlab, ELK). Managed 1,800+ tickets; explored AI capabilities via ELK ML module and Palantir Skywise. Built topological generative design tool using Catia V5 VBA; administered critical infrastructure including NetApp, VMware, and HPC environments. Supported PLM systems (Windchill, Enovia, 3DExperience) and engineering apps; implemented Grafana/ServiceNow monitoring to improve reliability.

Application Specialist at ADHETEC

December 31, 2017 - December 31, 2017

Assessed production quality for aerospace parts; automated quality control processes using JavaScript and Adobe APIs; developed custom solutions to improve production efficiency and accuracy.

Mechanical Designer at New Aircraft Solutions

November 30, 2016 - November 30, 2016

Designed and certified aircraft modifications under FAA/EASA CS23 Part 21 regulations; developed solutions for rough landing scenarios; managed ProEngineer configurations; automated design processes with Bash scripting; performed inspections and prototyping for early product development.