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Location

Portugal

Rate

$27  / per hour

Years of experience

5+

About

Experienced Machine Learning and Data Engineer with a strong foundation in designing and deploying scalable machine learning models and data pipelines. Skilled in leveraging modern technologies such as Python, Databricks, Spark, SQL, AWS Services, and .NET core to optimize development processes and enhance system performance. Currently working as an MLOps Engineer at Sixt, where responsibilities include managing the lifecycle of ML models, developing data science production templates, and overseeing cloud-based infrastructure using Terraform and Kubernetes. Previous experience includes roles at Hitachi Vantara and dti digital, where expertise in data lake architecture, ETL pipeline construction, and machine learning model development was honed. Fluent in English, with additional proficiency in Portuguese and intermediate Spanish, combined with a solid educational background in Control Engineering and Automation from Universidade Federal de Minas Gerais and a postgraduate degree in Enterprise Data Science and Analytics from NOVA IMS. Committed to continuous learning and applying innovative solutions to complex data challenges.

Tech Stack

Python, Airflow, Apache Spark, AWS, Azure DevOps, Databricks, Docker, Jenkins, Kubernetes, SQL

Experience

  • Managed the lifecycle of machine learning models from development to deployment and monitoring, ensuring optimal performance and reliability.
  • Developed and maintained ETL pipelines for data ingestion, handling both real-time and batch data processing.
  • Architected and optimized data lakes to support large-scale data storage and analytics, improving data accessibility and efficiency.
  • Implemented MLOps principles, including continuous integration, continuous delivery, testing, and monitoring, to streamline machine learning operations.
  • Led the development of microservices architecture using .NET core and Python, enhancing system scalability and performance.
  • Collaborated with cross-functional teams, including data scientists, DevOps engineers, and IT, to deliver high-quality machine learning solutions.
  • Created and deployed automated testing strategies for investment bots, ensuring accuracy and reducing manual intervention.

Employment history

MLOps Engineer, SIXT May 2023 - Present

• Managed the lifecycle of machine learning products, focusing on model training, serving, and monitoring at scale.
• Developed solutions to enhance the scalability and efficiency of machine learning models.
• Collaborated with cross-functional teams to ensure seamless integration and operation of ML models.
• Automated deployment pipelines to ensure continuous delivery of machine learning models.
• Optimized existing machine learning infrastructure, reducing latency and improving model performance.

ML/Data Engineer, dti digital July 2020 - February 2022

• Led the renewal of the ECS data lake, including the architecture proposal and construction of ETL pipelines.
• Developed machine learning models to guide business decisions and optimize processes across the company.
• Collaborated with the Growth team to implement data-driven strategies and models.
• Implemented real-time data processing solutions, enhancing the speed and accuracy of decision-making.
• Provided technical mentorship to junior engineers.

Software Architect, dti digital January 2020 - June 2020

• Guided and supported multiple projects, including the integration of Alexa skills with laboratory systems.
• Developed back-end solutions using .NET and front-end components using React.
• Implemented continuous integration and deployment processes using Azure.
• Designed and optimized database structures to support scalable applications.
• Led code review sessions, ensuring adherence to best practices and high-quality code standards.

Lead Software Developer, dti digital June 2018 - January 2020

• Led the development of APIs for BS2 bank HUB, Serasa Experian’s eCred marketplace, and other major clients.
• Architected data lake structures and defined storage and consumption strategies for Serasa’s Polis platform.
• Managed the AI guild, organizing events and content creation for the team’s development.
• Spearheaded the adoption of microservices architecture, enhancing system modularity.
• Collaborated with stakeholders to translate business requirements into technical solutions.

Data Engineer, Serasa June 2020 - February 2022

• Played a key role in the renewal of the ECS data lake, focusing on ETL pipeline construction and data architecture.
• Contributed to the Growth team by developing models that informed company-wide business decisions.
• Integrated multiple data sources into the data lake, improving data accessibility for analysis.
• Developed and maintained data quality checks to ensure the accuracy of ingested data.

Team Leader, BS2 Hub June 2019 - February 2020

• Led the DTI team responsible for creating architecture in the BS2 HUB project.
• Developed microservices in .NET core, utilizing queues and SQL databases.
• Managed project timelines and deliverables, ensuring on-time completion of key milestones.
• Collaborated with cross-functional teams to ensure alignment on project goals.

Data Scientist, CryptoInvest April 2018 - September 2019

• Developed machine learning algorithms for market positioning using Python, sklearn, and xgboost.
• Implemented feature engineering, forecasting, and risk management techniques to optimize trading strategies.
• Automated testing and monitoring strategies for investment bots using pytest.
• Analyzed market data to develop predictive models that informed trading decisions.
• Worked closely with the finance team to align machine learning models with investment strategies.

Intern, FlyTools March 2017 - July 2018

• Developed Excel plug-ins in C# and algorithms in VBA for data analysis and user interaction.
• Managed the team responsible for developing the company’s sales system, applying agile methodologies.
• Developed back-end applications and supervised front-end and database teams.
• Designed and implemented database models to support business operations.
• Assisted in the deployment of software solutions, ensuring smooth integration with existing systems.

Intern, Certo Atacadista February 2008 - July 2008

• Assisted in data management and analysis tasks to support operational efficiency.
• Contributed to various projects aimed at improving process workflows and data accuracy.
• Supported inventory management by developing tools for data tracking and reporting.
• Participated in team meetings, providing insights and suggestions for process improvements.

Education history

Federal University of Minas Gerais 2011 - 2017 Control Engineering and Automation
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