Hi I'm Oscar Ceballos

A passionate Software Engineer specializing in both frontend and backend development, committed to creating robust and scalable solutions that drive business growth. Based in Salt Lake City, UT.

Oscar Ceballos

Technical Skills

A comprehensive overview of my technical expertise and proficiency levels

Frontend Development

ReactJS
Expert
Next.js
Expert
Material UI
Expert
Tailwind CSS
Expert
Styled Components
Expert
Vue.js
Intermediate

Backend Development

Node.js
Expert
Python
Advanced
Java
Advanced
C#/.NET
Advanced
PHP
Advanced

Database

MongoDB
Expert
PostgreSQL
Expert
Redis
Advanced
Firebase
Advanced
Supabase
Advanced

DevOps & Cloud

AWS
Expert
Docker
Expert
Kubernetes
Advanced
GCP
Advanced
Azure
Intermediate

Architecture & Design

Microservices
Expert
Serverless
Expert
REST APIs
Expert
GraphQL
Advanced
gRPC
Advanced

Testing & Tools

Jest
Expert
Mocha/Chai
Expert
Cypress
Advanced
CI/CD
Advanced
Git
Expert

Professional Experience

Over 15 years of experience building scalable applications and leading engineering teams at top tech companies.

Senior Software Engineer

Blue Eye CorporationSalt Lake City, Utah (Remote)Sept 2022 - Present

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:

Node.js
Python
React
AWS
Machine Learning
Docker
Kubernetes
MongoDB

Lead Engineer

VilotechVenezuela (Remote)Jun 2024 - Present

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:

Node.js
Next.js
Postgres
Redis
Docker
Kubernetes

Senior Full Stack Engineer

Zenvia (formerly Sirena)Brazil (Remote)Dec 2020 - Feb 2023

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:

Node.js
React
AWS
MongoDB
Redis
Kafka
Docker

Senior Full Stack Engineer

AquakleenUtah (Remote)Jan 2018 - 2021

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:

Node.js
React
AWS
GCP
Firebase
MongoDB
Express.js

Software Engineer

PDVSAVenezuelaJan 2012 - 2014

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

Technologies:

Java
Python
JavaScript
SQL
HTML/CSS