Jesús Sebastián Cruz

Full Stack Development

Full Stack Web Developer with over 15 years of experience developing robust and scalable web applications. Specialized in modern technologies such as React, Next.js, NestJS, Laravel, and WordPress, with a strategic focus on system architecture and development process optimization. Proven track record in mentoring and leading teams, selecting the most suitable technologies to maximize efficiency and success in high-impact projects within dynamic and demanding environments.

General Information

Location
Buenos Aires, Argentina
Email
cruzjesussebastian@gmail.com
Phone
+54 9 11 2567-6328
GitHub
https://github.com/sebacruz
LinkedIn
https://linkedin.com/in/sebacruz

Experience

Full Stack Developer

Social Snack (2009 - 2019)

  • Responsible for developing and maintaining web applications using Laravel and WordPress, tailoring each solution to the client’s needs.
  • Implemented interactive interfaces with Bootstrap and React, improving user experience and optimizing engagement on platforms with over 100,000 active users.
  • Managed Unix servers, ensuring the stability and availability of development and production environments.
  • Standardized development processes, improving code quality and operational efficiency across the team.
  • Mentored junior and mid-level developers, supporting their integration of modern technologies into real-world projects.

Lead Developer

Chispa Lab (2019 - 2023)

  • Led the development of web applications using Next.js, ensuring seamless integration of REST APIs in scalable systems.
  • Designed backend architectures with NestJS, optimizing authentication and third-party service integrations.
  • Defined agile processes and utilized Docker and Kubernetes to ensure consistent and rapid deployments.
  • Supervised experienced developers, guiding the implementation of advanced technical solutions.
  • Provided technical mentorship, promoting best practices and helping the team resolve complex technical challenges.

Featured Projects

ponty.app

NestJS, Next.js, AWS, S3, Docker

Responsible for the design and development of the backend architecture for an event management platform. Implemented microservices using NestJS to handle authentication with Auth0 and payments with Stripe, ensuring a smooth and secure integration. Utilized Docker for containerization and AWS S3 for file storage, ensuring the infrastructure was scalable and robust, capable of supporting continuous user growth. The project achieved a successful implementation, offering a fast and reliable user experience.

fitchin.gg

MySQL, NestJS, Next.js, Kubernetes

Responsible for developing the backend for the Communities section of a gaming platform. Used NestJS to implement REST APIs, integrating Web3-based authentication services to ensure security and scalability. The system resulted in a stable and highly scalable platform, capable of handling activity peaks without compromising performance.

Super Experiencias Santander Río

MySQL, Laravel, React, Docker, Nginx, Memcached, Varnish

Developed an internal social network for Santander Río employees in Argentina. Built the platform using Laravel and MySQL, allowing employees to rate and share work experiences. Configured servers with Nginx and optimized performance with Memcached and Varnish, handling high traffic for 150,000 users in Argentina and 200,000 in Spain.

socialsnack.com

WordPress, Nginx, Bootstrap

Developed a fully manageable corporate website with WordPress, designed to reflect the company's identity and facilitate content management. The platform enables dynamic updates through a fully customized administration panel.

La Editorial Común

WordPress, WooCommerce, Varnish, Memcached

Responsible for the frontend implementation and integration with WordPress and WooCommerce for the store and blog of one of the biggests argentinian caricaturists. Configured servers and optimized performance using Varnish and Memcached, ensuring a smooth user experience in a high-traffic environment.

Skills

Frontend
HTML, CSS, JavaScript, React, Next.js
Backend
Node.js, NestJS, Laravel, PHP
Databases
MySQL, PostgreSQL
DevOps
Docker, Kubernetes, AWS, CI/CD
Others
Git, Unix Systems Administration, Memcached, Varnish, Nginx, REST APIs, Web3