Leonardo Silva

Senior Software Engineer

Adyen

Nov 2020 - Current (5 years 8 months)

• Architected and implemented a scalable AI-driven fraud detection system using Python and PyTorch, reducing false positives by 15% and improving transaction security. • Developed a real-time data ingestion pipeline with Apache Kafka and Python, boosting data processing throughput by 40% for payment analytics. • Designed and deployed microservices for payment processing with Docker and Kubernetes, ensuring high availability and ease of scaling in cloud environments. • Integrated AI models into existing backend systems, improving fraud prediction accuracy and operational efficiency. • Mentored junior engineers on best practices in AI model development and deployment, fostering team growth and technical excellence. • Led the migration of lega

B

Software Engineer

Bol.com

Mar 2019 - Nov 2020 (1 year 9 months)

• Built an automated recommendation engine using Python, Pandas, and scikit-learn, increasing personalized product suggestions by 25%. • Designed ETL workflows for customer data pipelines, enhancing data quality and timeliness for targeted marketing campaigns. • Developed RESTful APIs in Python Flask to serve AI-driven product recommendations, achieving 99.9% uptime. • Implemented unit testing and continuous integration workflows to improve software reliability and deployment speed. • Optimized SQL queries and data schemas, reducing data retrieval times by 30%. • Collaborated with data scientists to integrate machine learning models into production environments, ensuring seamless deployment.

Software Engineer

Avenue Code

Sep 2017 - Feb 2019 (1 year 6 months)

• Developed backend services for e-commerce applications using Java and Python, with a focus on scalable architecture. • Designed and implemented data pipelines for analytics using Python and Apache Spark, processing terabytes of user data. • Built REST APIs and integrated third-party AI services to enhance personalization features. • Managed version control and collaboration via GitHub, enforcing code standards and review processes. • Implemented caching strategies with Redis to reduce latency in high-traffic endpoints. • Participated in agile development cycles, delivering features on time and within scope. • Created automated testing suites for backend services, reducing bugs in production. • Worked closely with UI teams to ensure data-d

Software Engineer

Padtec SA

Jan 2017 - Sep 2017 (9 months)

• Developed embedded system software for optical telecommunications equipment using C and Python. • Implemented data acquisition modules to monitor hardware performance, improving fault detection accuracy. • Collaborated with hardware teams to optimize data processing algorithms for real-time operation. • Maintained and updated firmware components to support new hardware features. • Wrote test scripts and automated validation procedures for system testing.

Early Career Software Engineer

Lenovo

Mar 2016 - Jan 2017 (11 months)

• Developed web interface components for device management portals using HTML, CSS, and JavaScript. • Automated deployment scripts and system setup procedures with Bash and Python. • Supported backend integration with SQL databases to store device telemetry data. • Participated in debugging and resolving hardware-software connectivity issues. • Assisted in developing internal tools for system diagnostics and reporting.

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