![CJ](https://d2abrqas732254.cloudfront.net/images/specialists/9899280db5c6e5dd3e5b6b462fd80e3850fe0faa.jpg)
English:
Upper Intermediate
Colombia
UTC -05:00
America/Bogota
Senior developer with 7+ years of backend expertise, specializing in integrating and optimizing payment systems for secure, efficient transactions.
I am a dedicated software developer who thrives on challenges and continuous learning. With strong values in responsibility and teamwork, I quickly absorb new knowledge and adapt easily. I'm committed to always improving my skills and staying up-to-date in my field.
Want to hire this engineer?
Check if Carlos is availableExpertise
Years of commercial development experience
8 years of experience
Core technologies
Other technologies
Project Highlights
NDA
Jan `21 - Present
4 years
Altoros
Enhanced a complex application by developing features, fixing bugs, and optimizing system performance using a diverse tech stack including Ruby on Rails, Active Admin, Pundit, Devise, Sidekiq, and React.
Responsibilities & achievements
- Developed various features and addressed bugs to improve the functionality and reliability of the application. - Implemented CI/CD pipelines using GitHub Actions to automate testing and deployment processes, replacing the older system for increased efficiency. - Utilized Heroku and Heroku pipelines for streamlined app hosting and deployment strategies. - Employed Webpacker for effective asset management and integration within the Rails environment. - Achieved nearly 98% test coverage with RSpec, ensuring high reliability and performance of the application.
Payment API - Platform
Dec `20 - Jan `22
1 year
Allrenty SA
Developed a multi-architecture backend application from scratch, utilizing Ruby on Rails, GraphQL, Active Admin, Action Policy, and GraphQL Devise, to handle both GraphQL and REST queries from users and other servers.
Responsibilities & achievements
- Implemented an online payment module by integrating the Kushki platform API, enhancing the application's payment processing capabilities for customer transactions. - Built an admin interface with the ActiveAdmin gem, tailored to meet specific project requirements. - Contributed to front-end features using ReactJS, gaining introductory knowledge in the framework.
App refactoring
Dec `19 - Dec `20
1 year
Target Test Prep
Developed and enhanced a Ruby on Rails application with a focus on creating a dynamic and responsive user interface using modern web technologies.
Responsibilities & achievements
- Developed various features for a Ruby on Rails application, incorporating Bootstrap, JavaScript, JQuery, CoffeeScript, and AJAX to ensure a dynamic and responsive user interface. - Implemented numerous models, entities, and designed architectures to meet company requirements, ensuring the application's scalability and maintainability. - Engaged in design and refactoring efforts to improve the application's structure and upgraded framework versions for enhanced functionality and security. - Refactored the application by implementing design patterns such as Facade, Decorators, and Services to eliminate spaghetti code, significantly improving code performance and readability.
Social media platform for residents of condominiums in Canada and Colombia
May `15 - May `17
2 years
Condomedia Inc
Developed various features for a private social media platform facilitating communication between admins and residents in condominiums in Canada and Colombia. This full-stack application was built using Ruby on Rails, Bootstrap, JavaScript, JQuery, CoffeeScript, AJAX, and deployed on Heroku.
Responsibilities & achievements
• Built the platform as a full-stack application, using Bootstrap for the front end to achieve full responsiveness across devices. • Developed various features for a platform utilizing Ruby on Rails, Bootstrap, JavaScript, JQuery, CoffeeScript, AJAX, and Heroku.
Multi-brand e-commerce platform
Apr `15 - Dec `18
4 years
Melollevo.co
Contributed to both front-end and back-end development, ensuring seamless integration and functionality across the platform.
Responsibilities & achievements
- Designed and developed scalable and maintainable architectures to meet specific customer needs, ensuring the application was responsive to evolving business goals. - Developed and optimized algorithms for precise product selection, improving the accuracy and relevance of search results for customers. - Integrated multiple payment gateways to offer customers a variety of secure and convenient payment options. - Conducted maintenance, support, and development of various features within a Ruby on Rails application, incorporating Bootstrap, JavaScript, JQuery, CoffeeScript, AJAX, and Heroku for robust functionality and deployment.
Education
Higher education in Computer Science
Agency
400+
GMT-11
Remote
Want to hire this engineer?
Check if Carlos is available