English:
Advanced
Venezuela
UTC -04:30
America/Caracas
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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Check if César is availableExpertise
Years of commercial development experience
5 years of experience
Core technologies
Other technologies
Project Highlights
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.
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.
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.
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.
Agency
100-400
GMT-5
Rosario/Argentina, Buenos Aires/Argentina, Cartagena/Colombia, Barranquilla/Colombia, Veracruz/Mexico, Monterrey/Mexico, Rio de Janeiro/Brasil
Core Expertise
Industries
Information services & Technologies
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Check if César is available