David Okudaira Carapeto

Software Engineer @ BTG Pactual

About

Software Engineer with experience in financial systems, working on the development of real-time backend applications in highly critical environments, with direct impact on customer experience. Strong background in designing, developing, and supporting low-latency systems, prioritizing performance, reliability, and production stability. Hands-on experience with microservices architectures, distributed systems, and both synchronous and asynchronous communication, using REST (HTTP), WebSocket, gRPC, as well as message queues and event-driven patterns. Solid backend engineering experience using C#, Java, Go (Golang), and Node.js, along with SQL and NoSQL databases (MySQL, PostgreSQL, Oracle), always focused on scalability, consistency, and efficiency. Strong experience in Cloud and Solution Architecture, working with AWS and Azure, including CI/CD practices, process automation, containerization, and orchestration with Docker and Kubernetes. Experience in observability, monitoring, and messaging systems, using tools such as ElasticSearch, Datadog, Grafana, and technologies like AWS SQS, RabbitMQ, and Redis Pub/Sub, ensuring resilient and highly observable production systems.

Country

Brazil

City

São Paulo

Industry

Capital Markets

Skill

.NET Framework, Renda variável, Financial Systems, AWS, Kubernetes, Jenkins, Banco de dados Oracle, REST APIs (HTTP), WebSocket, gRPC, Go (Golang), Node.js, Software Engineering, Backend Development, Distributed Systems, Real-Time Systems, Low Latency Systems, Microservices Architecture, Observability & Monitoring, Azure

Experience

Software Engineer

BTG Pactual

2024-10 - Present · 2 yrs

São Paulo, Brasil

- Development and maintenance of real-time backend applications for financial systems, with direct impact on customer-facing platforms - Work on low-latency systems, focusing on performance, reliability, and stability in production environments - Design and development of microservices architectures, integrated with multiple internal systems - Implementation of synchronous and asynchronous communication patterns, using REST (HTTP), WebSocket, and gRPC - Use of message queues and event-driven architectures, leveraging AWS SQS, RabbitMQ, and Redis Pub/Sub - Implementation and optimization of CI/CD pipelines using Jenkins and GitHub - Use of Docker and Kubernetes for application containerization, orchestration, and scalability - Backend development using C#, Java, Go (Golang), and Node.js, according to project needs - Work with relational and non-relational databases, including MySQL, PostgreSQL, and Oracle, ensuring performance and data consistency - Implementation of observability and monitoring practices, using ElasticSearch, Datadog, and Grafana, focusing on logs, metrics, and alerts for critical systems - Participation in cloud architecture design on AWS and solution architecture discussions - Execution of stress testing, bottleneck analysis, and performance optimizations, aiming for high availability and low latency - Integration with critical systems and production support, ensuring operational resilience

Software Engineer

Braúna Investimentos

2021-1 - 2024-9 · 3 yrs 9 mos

São Paulo, Brasil

- Developed specialized systems for the financial sector. - Designed and implemented Cloud solutions (AWS, Azure). - Created, managed, and maintained SQL and NoSQL databases. - Optimized application and database performance. - Analyzed and modeled data to support strategic decision-making. - Implemented information security best practices in development and production environments. - Automated processes using scripts and DevOps tools. - Collaborated with cross-functional teams to deliver complex projects. - Utilized Docker and containers to ensure application portability and scalability. - Managed code versioning and team collaboration using Git. - Implemented and maintained messaging systems for asynchronous service communication.