Hi, I'mOscar Ceballos
Building robust and scalable solutions with expertise in React, Node.js, and Cloud Technologies. Based in Salt Lake City, UT.

Technical Arsenal
Specialized in full-stack development with deep expertise across modern technologies
Frontend Development
6 technologies
Backend Development
5 technologies
Database
5 technologies
DevOps & Cloud
5 technologies
Architecture & Design
5 technologies
Testing & Tools
5 technologies
Professional Experience
Over 15 years of experience building scalable applications and leading engineering teams at top tech companies.
Senior Software Engineer
Leading the development of advanced security solutions using ML/AI, IoT, and edge computing technologies.
Key Achievements:
- Built new application interface for real-time video and data management
- Designed scalable business logic resulting in 1000% growth
- Developed queue system for managing alerts across USA and Cambodia
- Implemented new Video Management System (VMS)
Technologies:
Lead Engineer
Leading development of a platform integrating payment validation, booking, and ticket issuance systems.
Key Achievements:
- Lead team developing platform for payment and booking systems
- Managed migration to self-hosted VPS using Docker
- Developed KIU service adapter for multi-tenant platform
- Created AI-powered WhatsApp booking bot
Technologies:
Senior Full Stack Engineer
Led the successful migration of Sirena product to the Zenvia platform while maintaining system integrity.
Key Achievements:
- Led migration of Sirena product to Zenvia platform
- Developed CRM integrations (Salesforce, HubSpot)
- Modernized UI components and improved performance
- Designed and maintained critical frontend and backend systems
Technologies:
Senior Full Stack Engineer
Developed and maintained a comprehensive lead management system for sales optimization.
Key Achievements:
- Designed and developed lead management web application
- Implemented route optimization and appointment scheduling
- Integrated application with various lead providers
- Built RESTful APIs and responsive frontend interfaces
Technologies:
Software Engineer
Developed and maintained web interfaces for oil well data management systems.
Key Achievements:
- Developed web interfaces for oil well data management
- Led QT-based UI conversion to web applications
- Provided mentorship and technical support
- Collaborated on process improvements