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Hi, I am

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.

Remote · Brazil 4+ years building Available for projects
Junyo Ribeiro Building Open to chat
4+ Years experience
5 Certifications
3 Languages
27+ Technologies

Professional Timeline 2 roles

  1. 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.
  2. 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.