Key achievements:- Maintained and evolved a large-scale Java-based system with a throughput of over 500 million requests per month, ensuring system latency remained under 100ms. Optimized performance and scalability, supporting high demand while minimizing downtime.- Developed backend services using Java, Spring Boot, Redis, PostgreSQL, and RabbitMQ.- Implemented custom business metrics and monitored infrastructure with NewRelic to ensure system reliability and performance.- Spearheaded the squad's efforts in addressing technical debt and reviewed engineering solutions to improve code quality and system architecture, while tracking AWS cost optimization efforts.

My contributions:- Worked as part of the Merchant Delivery team to develop, monitor, and test microservices using Java, Kotlin, Spring, Go, ensuring scalability and reliability.- Helped develop a solution used by over 300,000 restaurants and groceries across Brazil, enabling more than 1 million scheduled orders each month.- Work in the migration of an existing project from Java to Kotlin

Key achievements:- Worked at the Visits Team to migrate the Visits Scheduling system from Salesforce to a microservice architecture, resulting in improved performance and a two-week reduction in the development cycle.- Collaborated on re-architecting the scheduling notification system, eliminating message loss and optimizing delivery times.- Worked with technologies like AWS, NodeJS, TypeScript, and event-driven architecture alongside the Visits Team.

I helped the company in its mission to redesign service hiring experiences in Brazil.Main experiences (and related technologies):- Implemented new features in a key Catalog microservice (Go Lang, MongoDB - Aggregation Pipelines, and Kubernetes - Jobs).- Participated in the creation of an anti-fraud microservice (Go Lang, AWS (EKS, SQS, and Athena), PostgreSQL, MongoDB, and Looker).- Developed a bus system from scratch (Go Lang, Kubernetes, Docker, AWS - EKS, and CircleCI).- Fixed and improved APIs within a product team (Node.js and Apollo Server).

Main experiences:- Technical leadership of full stack teams;- Maintenance and evolution of hybrid mobile applications;- Building technical teams (from interviews to handovers and training);- Evaluation of legacy projects and development of action plans for architectural and visual changes (facelift);- Implementation of security solutions in high-criticality projects;

Main experiences:- Development of Internet Banking for individuals and businesses- Full stack development in the bank's internal systems- Training of interns

As a freelance programmer, I primarily worked on developing small blogs and corporate websites in WordPress for digital agencies.