Nathanael Costa

Main responsible for the development of our monitoring platform based on Prometheus and Grafana running over EKS. Spreading good practices on creating alerts and runbooks for all the teams in our company. Encouraging the team in the good use of IaC using Terraform and Terragrunt.

Worked in the AWS infrastructure and HashiCorp Nomad and Vault maintenance for our payment service. Part of the team responsible to migrate the service from HashiCorp Nomad to AWS ECS. All the infrastructure maintained with Terraform.

Part of an agile team using Scrum, Kanban and SAFe methodologies. One of the software engineers responsible for secrets management solution with HashiCorp Vault and the CI/CD solution with Jenkins. Also responsible for building a solution with Thanos for long term persistence of Prometheus metrics in our observability platform. All the services developed in the cloud using AWS and Kubernetes. All the infrastructure maintained with Terraform and Terragrunt.

Maintenance and development of Web applications used in the secretary and by the governor. Responsible for solutions and good practices using Spring Boot, Angular and PostgreSQL as the main development stack and GitLab as the main solution for CI/CD. Developed internal systems like Identity Manager and SSO to be used by all the others applications; financial control and report; and a system to track ongoing government building and constructions.

Working as Calypso Consultant providing customization and integration between the Calypso system and the internal bank systems. Development of Engines to provide integration via message queues and web services. Customization of reports with the Calypso Reporting Framework. Customization of data ingestion with Calypso Data Uploader and Bloomberg API. Development of batch processing with Calypso Scheduled Tasks. Development of workflow rules to customize Trade and Transfer workflows.

Responsible for the development of a Web application integrated to Asterisk PBX software providing configuration facility, reports and monitoring for Call Centers. Also responsible for the customer requirements analysis, solution construction and the deployment of the software at the customer site.

Web Application for Asterisk: Development of a Web application integrated to Asterisk PBX software providing configuration facility, reports and monitoring for Call Centers. Wincor Nixdorf: Development of a Web application to support the decision making for selection of compatible assembly parts of ATM machines. Bank of Hours: Development of a Web application to control the bank of hours of the employees.

Selection of Components in Ensembles of Multi-lable Classifiers

Impact Study of Prototype Selection on Multi-criteria Classification Algorithms