Guilherme B.

Neon Pagamentos

Machine Learning Ops Engineer

• Jun, 2022 - Present
• Brazil

• Co-founded the first dedicated MLOps team within the Credit division, pioneering the operationalization of machine learning models within this business unit.
• Collaborated with data scientists to implement software engineering best practices, modularizing code for high scalability and maintainability, which reduced new team member onboarding time by 60%.
• Automated testing, code analysis, and ensured quality with a robust CI pipeline using GitHub Action, resulting in a 40% increase in test coverage and faster bug identification and correction.
• Configured and orchestrated ML workflows using Apache Airflow, achieving a 50% reduction in deployment time, freeing up resources for other activities and enabling us to run models up to two times more frequently per week.
• Built infrastructure on AWS with Terraform, managing Lambda, EC2, S3, API Gateway, security, and Session Manager.

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Boa Vista SCPC

Machine Learning Ops Engineer

• Mar, 2021 - Jun, 2022
• Brazil

• Optimized data flows, tools, and environments for efficient ML experimentation and development
• Identified and resolved bottlenecks, improving pipeline performance by 20%
• Implemented CI pipelines (GitLab CI, BitBucket Pipelines) for automated testing and code analysis
• Established DVC for robust version control, ensuring reproducibility and team collaboration
• Created a template with pre-configured Python packages, environment variables, and unit tests, reducing boilerplate code and ensuring consistent project structure across the team

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GAVB Consulting

Data Scientist | ML Engineer

• Jun, 2020 - Mar, 2021
• Brazil

• Optimized production and inventory levels for an agribusiness company by developing a demand forecasting model.
• Improved accuracy by 30% through cleaning and preprocessing data, performing EDA, training, and evaluating machine learning models.

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