Junyo Ribeiro

DevOps Analyst | VoIP Engineer

VoIP Engineer with three years of experience, specializing in fixed telephony and 5G mobile systems. My role combines programming, scripting automation, troubleshooting, system monitoring, and project management to ensure the reliable performance of communication services.

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Timeline Profissional

2023 – Present

DevOps Analyst

Linux: Administration and optimization of Linux servers, including the development of automation and maintenance scripts. FreeSWITCH: Configuration and management of telephony systems using FreeSWITCH. Asterisk: Implementation and management of PBX systems using Asterisk. Ansible: Automation of infrastructure configuration and maintenance tasks. Zabbix: Network and system performance monitoring, configuring alerts and reports. Grafana: Development of dashboards for monitoring and data visualization. Elastic Stack (ELK): Implementation and management of log management and data analysis solutions. OpenSIPS: Configuration and optimization of OpenSIPS servers for VoIP call routing.

2022-2022

IT Support Technician

Configuration of ONU parameters for DHCP, MTU, VLAN, port forwarding, 2.4GHz and 5GHz networks, UPnP, Firewall, DNS, and IPv4/IPv6. Mesh router configuration. Verification, deletion, and modification of ONU scripts on the OLT. Validation of TV configurations. Configuration of telephony services. Line testing using 3CX. Validation of line duplications. Execution of speed tests. Network monitoring.

Idiomas

Portuguese Native

English B2 | Advanced

Spanish A2 | Basic

Stack Tecnológico

Backend

Node.js Fastify PostgreSQL Redis GraphQL REST APIs

Frontend

React TypeScript htmx Vite Tailwind CSS Eta Templates

DevOps & Tools

Docker Docker Compose Nginx MinIO BullMQ Git

Design & UX

Design System Acessibilidade (A11y) Performance Responsive Design UX/UI

Atualmente focando em

Artificial Intelligence and Machine Learning

Valores e Filosofia

Performance First

Código rápido e otimizado. Budgets de performance rigorosos e monitoramento constante do p95.

Acessibilidade

Web para todos. ARIA completo, navegação por teclado, suporte a leitores de tela e reduced motion.

Simplicidade

Menos camadas, menos fricção. Código direto ao ponto com boas restrições e arquitetura clara.

Documentação

Código que se explica. Comentários relevantes, READMEs completos e exemplos práticos.

"Luck is what happens when preparation meets opportunity." – Seneca

Formação Acadêmica

Associate Degree em Systems Analysis and Development

Unicesumar

2020 - 2022

The Systems Analysis and Development program offers a comprehensive education in various areas of computer science and information technology. The curriculum includes: Computer Networks: Understanding network principles, including LAN, WAN, network protocols, and security. Java Programming: Learning fundamental and advanced concepts of Java, a versatile and widely used programming language. JavaScript: Developing proficiency in JavaScript for creating dynamic and interactive web content. Web Development: Covers full-stack web development, including HTML, CSS, JavaScript, and server-side scripting. Scripting Automation: Developing skills in scripting languages, such as Python and Shell, to automate routine tasks and increase productivity. Project Management: Acquiring knowledge in project management methodologies and practices to effectively lead and manage IT projects.

Certificações e Conquistas

Fortinet Certified Associate in Cybersecurity

Fortinet

2024

Fortinet Certified Fundamentals in Cybersecurity

Fortinet

2023

SNS - Specialist Networking Solution

Grandstream Networks

2023

Toth - VoIP & SIP

EduqueA+

2022

Toth - SIP na Prática