Raphael Costa
About Raphael Costa
Raphael Costa is a Senior Software Engineer at Telnyx, where he leads a team and has significantly improved the company's infrastructure and application performance. He has a background in software engineering and management, having previously served as CTO at Eficiência Fiscal and worked at various other companies in Brazil.
Work at Telnyx
Raphael Costa has been employed at Telnyx as a Senior Software Engineer since 2021. In this role, he has migrated the company's infrastructure from a VPS setup to Kubernetes, which has improved scalability and reliability. He manages a team of four developers and one project manager, showcasing his leadership and team management capabilities. Raphael has also integrated Elasticsearch into the technology stack, enhancing search functionalities, and has implemented CI/CD processes using Gitlab to streamline development workflows.
Previous Experience in Software Engineering
Before joining Telnyx, Raphael Costa held various positions in software engineering. He served as the Chief Technology Officer at Eficiência Fiscal from 2014 to 2019, where he led technology initiatives in Ji-Paraná, Rondônia. He also worked as a Software Engineer at CBK Software for one year in 2014 and at Up Learn from 2019 to 2021 for two years. His diverse experience in these roles contributed to his expertise in software development and team management.
Education and Expertise
Raphael Costa studied Information Systems at Centro Universitário Luterano de Ji-Paraná, earning his Bachelor’s degree from 2011 to 2016. He furthered his education by completing a course in Didactics for Higher Education at Faculdade Ciências Biomédicas de Cacoal in 2019. His academic background provides a foundation for his technical skills and understanding of educational methodologies, which he applies in his current role and team management.
Technical Skills and Contributions
Raphael Costa has demonstrated significant technical skills in his engineering roles. He has clustered Elixir applications with auto node discovery using Kubernetes' DNS and libcluster, optimizing application performance. Additionally, he has leveraged Elixir to manage high volumes of requests and background jobs, specifically handling 650,000 daily requests and managing 900,000 daily background jobs. He has also increased application observability using Prometheus and Grafana, enhancing monitoring and diagnostics.
Leadership and Team Management
In his current position at Telnyx, Raphael Costa manages a team of developers and a project manager, applying Agile practices to guide the team in delivering value continuously. His leadership style fosters an adaptive and efficient work environment, allowing the team to respond effectively to changing project requirements. This approach has contributed to the successful implementation of various technical initiatives within the organization.