Hi, I'm

Junyo Ribeiro

R&D Analyst | VoIP & Real-Time Communications

Professional with solid experience in Software Engineering and Telecommunications, operating at the intersection of Research & Development (R&D) and Solutions Engineering.

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4+ Years Experience

5 Certifications

3 Languages

23+ Technologies

Timeline Profissional

2023 – Present

R&D Analyst

Focused on architecting new telecommunications solutions and product development, bridging the gap between software engineering and network infrastructure. Responsible for translating market demands into functional and scalable technical specifications.

Pre-sales & Proof of Concept (PoC): Technical leadership in validating new client projects, creating product demonstrations, advocating for architectural decisions, and executing PoCs to ensure technical feasibility and alignment with business requirements.
Core VoIP Engineering: Development and optimization of High Availability (HA) architectures using OpenSIPS for critical routing, alongside FreeSWITCH and Asterisk for media gateways and PBX functionalities.
Observability & Data Analysis: Implementation of proactive infrastructure monitoring and business KPIs via Zabbix and Grafana. Utilization of the Elastic Stack (ELK) for log centralization, advanced troubleshooting, and system behavioral analysis.
Automation & Infrastructure (DevOps): Advanced Linux server administration focused on hardening and performance. Creation of Ansible playbooks for configuration automation, ensuring standardization and agility in environment deployment.
New Product Development: Continuous research of new technologies for integration into the company’s portfolio, managing the lifecycle from ideation to MVP delivery.

2022-2022

IT Support Technician

Main Activities:

Telephone support
Configuring ONT settings for DHCP, MTU, VLAN, port forwarding, 2.4GHz and 5GHz networks, UPnP, Firewall, DNS, IPv4/IPv6
Configuring mesh routers (Chima, Tenda and Twibi)
Checking, deleting, and modifying ONT scripts on the OLT
Validating TV configurations
Configuring telephony services
Testing lines using 3CX
Validating line duplications
Remote access
Conducting speed tests
Network monitoring
Opening, routing, and closing service tickets.

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

Valores e Filosofia

Performance First

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

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

2020 — 2022

Associate Degree em Systems Analysis and Development

Unicesumar

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.

2025 — 2026 In progress

Postgraduate Degree em Artificial Intelligence and Machine Learning

PUC Minas

Specialization focused on the development and productization of AI models, ranging from statistical foundations to the implementation of MLOps pipelines. The program deepens competencies in Deep Learning architectures and Generative AI, aligned with my role in Research and Development (R&D). Key Subjects and Competencies:

Deep Learning & Computer Vision: Convolutional Neural Networks (CNNs), RNNs, and Transformers for image and video processing.
Generative AI & LLMs: Studies in Generative AI, Agent Engineering, and Natural Language Processing (NLP).
MLOps & DataOps: Pipeline orchestration, deployment automation, model monitoring, and DevOps culture applied to data.
Data Engineering: Continuous flow processing (Data Streaming), Data Discovery, and Analytics.
Algorithms: Genetic Programming, Evolutionary Computing, and Optimization.

Certificações e Conquistas

Fortinet Certified Associate in Cybersecurity

Fortinet

2024

Fortinet Certified Fundamentals in Cybersecurity

Fortinet

2023

SNS - Specialist Networking Solution

Grandstream Networks