Sergio Zanellato

Experience

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  Banco do Brasil

  Apr 2019 - Oct 2021

  System Analyst – RPA Specialist

  • Automated financial processes using Python and Java, reducing manual workload.• Developed integration scripts to connect MySQL databases with external APIs, improving data accuracy and reducing processing times.• Collaborated with stakeholders to design scalable systems aligned with business needs.• Tools: Python, Java, PHP, MySQL.

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  Sensedia

  Oct 2021 - Mar 2022

  Software Developer

  • Built scalable APIs for an educational platform, handling over 100,000 daily requests.• Collaborated on a team using domain-driven design (DDD) principles to create robust and maintainable microservices.• Improved API documentation with OpenAPI, reducing onboarding time for new developers.• Participated in code reviews, ensuring 95% of production deployments were bug-free.• Tools: Java, Spring Boot, MongoDB, Git, OpenAPI

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  MyMobileWorkers - an Asolvi Company

  Jun 2022 - now

  Java Developer

  • Leading the development of a microservices-based API using Spring Boot, Eureka Server, and API Gateway, improving scalability and reducing response times by 30%.• Integrated customer infrastructures through RESTful APIs, reducing manual operations and enabling seamless data synchronization.• Modernized and maintained an event-driven messaging system using RabbitMQ, improving system efficiency by over 100% and ensuring reliable delivery of alerts via SMS, email, and push notifications.• Tools: Java, Spring Boot, MySQL, Swagger, JUnit, CI/CD (GitLab), AWS Elastic Beanstalk, RDS. Show less