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Summary

Expertise

Project Highlights

Agency

CE

English:

Advanced

César E.

vetted by Youteam

Vetted by YouTeam

Venezuela

UTC -04:30

America/Caracas

English:

Advanced

Self-taught Backend Software Engineer with five years of industry experience.

Proficient in numerous languages and frameworks including PHP, JavaScript (Node.js), Laravel, and TypeScript. Skilled in SQL Server and microservice architectures. Demonstrated ability to create, improve, and maintain large-scale applications, effectively collaborate in cross-functional teams, and implement programming standards.

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Expertise

Years of commercial development experience

5 years of experience

Core technologies

Express.js 5 years
Node.js 5 years
Laravel Framework 5 years
TypeScript 5 years
Back End 5 years

Other technologies

AWS
MongoDB
PHP
Socket.IO
SQL Server
Unit Testing
Web scraping
Cypress
GraphQL

Project Highlights

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Freelancer

Freelancer

Feb `23 - Present

2 years

Provision of software consulting services in Backend development for companies and individuals, utilizing NestJS, TypeScript, PHP, and Laravel.

Responsibilities & achievements

• Chatbot integration with NestJS utilizing Twilio and Meta APIs to facilitate WhatsApp-based marketing strategies. • Server-side logic design and implementation for an online course platform focused on legal education, using PHP and Laravel.

Node.js
PHP
Nest.js
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Backend Software Engineer

Backend Software Engineer

Apr `21 - Jun `22

1 year

Skillshare

Engaged in highly iterative experiments aimed at increasing user acquisition and long-term retention.

Responsibilities & achievements

• Implementation of a third-party AI for conducting pricing experiments, which resulted in a 73.7% increase in subscribers and a corresponding decrease in refund requests in 2021. For this project, I had to work across multiple codebases, using PHP (Yii Framework) and Node.js (NestJS) while collaborating in crossfunctional teams within a microservices architecture. • Migration of the logged out Home Page from the monolith to Next.js and GraphQL without harming our core metrics and unblocking multiple projects in the product roadmap.

Express.js
Node.js
PHP
Unit Testing
Cypress
GraphQL
Next.js
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Backend Developer

Backend Developer

Aug `20 - Apr `21

8 months

Robotec

Key responsibilities included maintenance and development of a microservices architecture and API documentation.

Responsibilities & achievements

• Rewriting microservices from vanilla JavaScript to TypeScript. • Integrating third-party software such as AWS S3, Amazon Transcribe and Speechmatics. • Identifying and refactoring modules with redundant code and suboptimal practices.

AWS
JavaScript
TypeScript
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Backend Developer

Backend Developer

Jun `18 - Aug `20

2 years

Shocklogic

Participated in the maintenance of legacy codebases, leading projects to rewrite code and creating documentation for consuming services.

Responsibilities & achievements

• Maintenance and development of the company's main products using Laravel 5.4 and PHP 7. • Development of a bulk email sending system, using queuing strategies in Laravel, thus reducing response times by 99% within the application. • Implementation of real-time statistics tools for virtual events using socket.io on a Node.js server. • Implementation of programming standards and best practices within the development team. • Mentoring new team members to familiarize them with the software and internal processes.

Express.js
Node.js
PHP
Socket.IO
Laravel Framework

Agency

Software development agency #2133

100-400

GMT-5

Rosario/Argentina, Buenos Aires/Argentina, Cartagena/Colombia, Barranquilla/Colombia, Veracruz/Mexico, Monterrey/Mexico, Rio de Janeiro/Brasil

Core Expertise

AngularJS
ASP.NET
ASP.NET MVC
AWS
Azure
Big Data Architects
C#
Cloud Engineer
ETL
Java
Kotlin
.NET
Node.js
Objective-C
PHP
PostgreSQL
Python
React.js
React Native
Ruby
Ruby on Rails
Spring
Tableau
TypeScript
UI
UX
Xamarin
.NET Compact Framework
Automated Testing
Data Modeling
DevOps
Golang
Laravel Framework
Product management
Swift
Testing Framework
Graphic design
User Experience Design
Wireframing
Android NDK
iOS SDK
MVC
Spring Boot
Flutter
Google Cloud Platform
.NET Core
Xamarin.Forms
Xamarin Native
AndroidX
iOS Auto Layouts
Power BI
.NET Framework
.NET Web API

Industries

Information services & Technologies

Want to hire this engineer?

Check if César is available