Full Stack Engineer

Hi, I'mOscar Ceballos

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

15+
Years Experience
50+
Projects Completed
5
Companies
Oscar Ceballos
Skills & Expertise

Technical Arsenal

Specialized in full-stack development with deep expertise across modern technologies

Frontend Development

6 technologies

ReactJSExpert
Next.jsExpert
Material UIExpert
Tailwind CSSExpert
Styled ComponentsExpert
Vue.jsIntermediate

Backend Development

5 technologies

Node.jsExpert
PythonAdvanced
JavaAdvanced
C#/.NETAdvanced
PHPAdvanced

Database

5 technologies

MongoDBExpert
PostgreSQLExpert
RedisAdvanced
FirebaseAdvanced
SupabaseAdvanced

DevOps & Cloud

5 technologies

AWSExpert
DockerExpert
KubernetesAdvanced
GCPAdvanced
AzureIntermediate

Architecture & Design

5 technologies

MicroservicesExpert
ServerlessExpert
REST APIsExpert
GraphQLAdvanced
gRPCAdvanced

Testing & Tools

5 technologies

JestExpert
Mocha/ChaiExpert
CypressAdvanced
CI/CDAdvanced
GitExpert
15+
Expert Skills
12+
Advanced Skills
6
Categories
30+
Technologies

Professional Experience

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

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

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:

Node.js
Python
React
AWS
Machine Learning
Docker
Kubernetes
MongoDB
VilotechVenezuela (Remote)Jun 2024 - Present

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:

Node.js
Next.js
Postgres
Redis
Docker
Kubernetes
Zenvia (formerly Sirena)Brazil (Remote)Dec 2020 - Feb 2023

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:

Node.js
React
AWS
MongoDB
Redis
Kafka
Docker
AquakleenUtah (Remote)Jan 2018 - 2021

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:

Node.js
React
AWS
GCP
Firebase
MongoDB
Express.js
PDVSAVenezuelaJan 2012 - 2014

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

Technologies:

Java
Python
JavaScript
SQL
HTML/CSS