Leonel L. Medina, Senior Full Stack Developer

About

High Skilled and versatile full stack web developer with over 8 years of experience in designing and implementing web applications. Proficient in both front-end and back-end development, with a strong knowledge of modern web technologies and frameworks and a passion for learning new fashionable technologies and keeping up with industry trends. And I am a man who believes that the only evidence that prove one's ability is the result, not the schedule. Hand in my result by a limited time, this is my working style.

Experience

Shopify

Aug 2020 – Oct 2023

Canada

Senior Full Stack Developer

• Developed and deployed responsive web applications utilizing modern front-end frameworks, resulting in improved user engagement and conversion rates. • Developed, maintained, and optimized the company's reusable UI component library using React and TypeScript • Designed and implemented a highly-scalable ecommerce platform using React and Node.js • Developed complex user interfaces for web applications using React.js • Developed .Net and .Net Core Framework Applications with Frameworks React, Angular and so on. • Designed and implemented robust backend systems, optimizing database queries and API endpoints to enhance overall application performance. • Collaborated with design teams to create intuitive user interfaces and seamless user experiences, ensuring high accessibility and responsiveness. • Developed and maintained the company's e-commerce website using React, Ruby, Node.js, GraphQL and MySQL, DynamoDB

Scope AR

Nov 2017 – Aug 2020

Canada

Full Stack Developer

• Led the integration of third-party services and APIs, such as payment gateways and social media platforms, to provide enhanced functionality and seamless user interactions. • Developed, maintained, and optimized the company's reusable UI component library using React and TypeScript • Implemented automated testing strategies, resulting in improved code quality, faster deployment cycles, and reduced bug occurrences. • Designed and implemented user-friendly web applications using React, Angular and Node.js • Designed and implement new features using React.js • Actively participated in code reviews, providing insightful feedback and mentoring junior developers to maintain code quality and foster a collaborative team environment. • Participated in rewriting Shopify CLI 2 from Ruby into Node.js • Optimized website performance and scalability by implementing caching, load balancing, and horizontal scaling • Built and integrated APIs with third-party services such as payment gateways and shipping providers • Built frontend web application with React.js • Built REST API with Node.js, Express.js • Implemented user authentication and authorization using JWT and OAuth 2.0

Education

University of Toronto

Oct 2013 – Nov 2017

Bachelor of Computer Science, Computer Science

Leonel L. Medina

Senior Full Stack Developer

Skills

Languages