About Erwan
English
Native or bilingual
French
Native or bilingual
Spanish
Conversational
Experience
- SSENSE (Tech / Retail / E-Commerce)Machine Learning EngineerOctober 2022 - Today (3 years and 8 months)Montreal, QC, Canada• Implemented and optimized AWS Bedrock for enterprise-scale generative AI applications, integrating knowledge bases with OpenSearch Serverless to enable advanced RAG (Retrieval-Augmented Generation) capabilities for customer facing LLM applications (OpenAI, Anthropic Claude, DeepSeek).• Architected the new Discount Pricing system responsible for 80% of company revenue. Optimized pricing strategies during sales periods, boosted revenue with increased gross margin, minimized overstock, improved execution time by 30%, significantly reduced cloud costs, drove scalability, profitability, and solidified the company's competitive edge.• Key architect of the AI ML Hub system, reducing AI ML models prototyping, development, and deployment time from 4 months to 2 weeks. Streamlined workflows, accelerated innovation, and improved delivery efficiency (Sagemaker, Lambda, Step Function, Cloudformation, IAC, CICD, Bash, Jenkins, Docker, S3, Athena, ECR, ECS, Event Bridge, API Gateway, OpenAPI, Route 53, VPC).• Designed and deployed a scalable Search Engine Management system, optimizing Google Ads campaign expenditures and enabling the Marketing team to manage a multi-million-dollar annual budget effectively, leading to measurable cost savings and increased ROI.• Built a data-driven Inventory Buying Optimization system, reducing overbought inventory by 20%, lowering operational costs, and providing actionable insights for more efficient decision-making to the Buyers team.• Built an enhanced Observability and Analytics framework for AI ML workflows by integrating SageMaker, CloudWatch custom metrics, Slack alert notifications and Datadog, enabling real-time monitoring and faster debugging cycles.• Delivered scalable production-grade AI ML solutions with architectures supporting real time (live), serverless endpoints, or batch inference, ensuring seamless integration with existing business systems.
- Mavtek (Tech / E-Commerce)Machine Learning EngineerOctober 2019 - October 2022 (3 years)Montreal, QC, Canada• Optimized the Content Recommendation system serving millions of users decreasing churn rate, improving conversion from guest users, and increasing users spendings (Spark, Spark ALS, Databricks, Cloudformation, Step Function).• Migrated the Recommendation system data processing pipeline from legacy to microservices reducing overload issues, legacy platform dependency, and data processing time (SQL, Snowflake, Databricks, AWS).• Designed a Content Moderation system to automatically tag and filter NSFW content in user uploaded images and videos (Computer Vision, Keras, Resnet, OpenCV, Pillow, Cuda).• Created a Credit Card Fraud detection system reducing chargebacks by 30% (SciKit Learn, XGBoost).• Streamlined data pipelines for faster AI ML model development.• Data mining, cleaning, and preprocessing of structured and unstructured data (images and videos).• Wrote documentation of scripts, AI ML models and guides for cross team usage.• Maintained communication flow with stakeholders both non technical (business/high level), and technical (developers).
- Intercash (Fintech)Senior Key Account ExecutiveApril 2018 - October 2019 (1 year and 6 months)Montreal, QC, Canada• Initiated a data driven philosophy by democratizing Business Intelligence principles with stakeholders.• Developed the KPIs to monitor and rate accounts growth potential increasing cross selling revenues.• Managed the global portfolio of key accounts from various domains (digital marketing, IT, banking, fintech, healthcare).• Streamlined the problem solving process between the different departments and third parties reducing the issue resolution time by half on average.• Grew, and solidified collaborative relationships with CEO's, Ultimate Beneficiary Owners, and major decision makers consolidating their loyalty, and upselling opportunities.• Handled all aspects of key account's business dealings i.e. contract management, problem solving, and expansion.• Work closely with the sales and IT teams for new products development and updates of the product portfolio by breaking down market conditions, industry's innovations, and global trends.• Successfully trained all new account managers, and managed the department.
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Education
- Master Degree in International BusinessIESEG School of Management2015Master Degree in International