Gustavo Oliver Email & Phone Number

✧ Supervised and mentored a team of 2 designers as the lead UX consultant, resulting in the promotion to teamlead and later project manager.✧ Orchestrated the seamless integration of 2 new team members, defining their roles and facilitating team building activities; enhanced cross-functional collaboration and productivity resulting in a 20% increase in project delivery efficiency.✧ Constructed the project using Ruby on Rails & Golang, GraphQL/Apollo as the backend and React/Redux… Show more ✧ Supervised and mentored a team of 2 designers as the lead UX consultant, resulting in the promotion to teamlead and later project manager.✧ Orchestrated the seamless integration of 2 new team members, defining their roles and facilitating team building activities; enhanced cross-functional collaboration and productivity resulting in a 20% increase in project delivery efficiency.✧ Constructed the project using Ruby on Rails & Golang, GraphQL/Apollo as the backend and React/Redux, Typescript as the frontend.✧ Wrote unit tests and integration tests, e2e tests for React Components using Jest and Enzyme, resulting in improvement of the code quality by 30%.✧ Organized scrum ceremonies and reviewed the codes of team members and pull requests over github.✧ Architected 2 mobile apps using React-Native, ensuring compatibility with both Android and iOS platforms.✧ Converted luxury designs from Figma to the individual components using Next.js integrated with Redux, resulting in a 40% improvement in website loading speed and enhanced user experience.✧ Built interactive UI with stimulus framework to be cross-browser compatibility with responsive designprinciple, making development speed 50% faster.✧ Revamped responsive and visually appealing designs using CSS/SCSS to create data interactive, engaging user interfaces along with cross-browser compatibility, making it easier to maintain and update your stylesheets over time. Show less

✧ Engineered and executed the integration of a RESTful API using Ruby on Rails, optimizing a client-facing single page application with a 40% reduction in response time, resulting in improved overall performance and heightened customer satisfaction.✧ Transformed monolithic codebases into microservices with Golang and cost up to 40%.✧ Monitored their cloud infrastructure, microservices, and distributed systems, as well as gained visibility into the performance of their applications and… Show more ✧ Engineered and executed the integration of a RESTful API using Ruby on Rails, optimizing a client-facing single page application with a 40% reduction in response time, resulting in improved overall performance and heightened customer satisfaction.✧ Transformed monolithic codebases into microservices with Golang and cost up to 40%.✧ Monitored their cloud infrastructure, microservices, and distributed systems, as well as gained visibility into the performance of their applications and services by using Datadog, resulting in 20% improvement in the overall app performance.✧ Deployed different components to the different servers using RPC while working together seamlessly, resulting in a 50% site performance improvement.✧ Serialized the structured data for communication between applications or for storage purposes using Protobuf and improved the performance by 40%.✧ Implemented a robust CI/CD pipeline using Kubernetes and Jenkins, automating the build, test, and deployment process to ensure efficient and streamlined software delivery, resulting in 30% faster time to market for our applications.✧ Translated 100+ Figma designs into the reusable components using React combined with Redux.✧ Built a mobile app with Flutter for about 50 Adobe XD files, resulting in saving time by 20% and reducing the cost by 50%.✧ Used TailWind CSS to style the web applications easily and quickly with React, resulting in improving adevelopment speed by 30%. Show less

✧ Created 100 REST APIs for our client-faced single-page Javascript application with Ruby on Rails.✧ Managed cloud infrastructure on AWS EC2, in charge of server performance and on-call support and speed up to 50%.✧ Used cached techniques for the site performance with Memcached, Redis, Filesystem, Local- memory and increased the performance to 30%.✧ Implemented authentication scenarios, single sign-on(SSO), multi-factor authentication(MFA), social login using the OAuth 2.0… Show more ✧ Created 100 REST APIs for our client-faced single-page Javascript application with Ruby on Rails.✧ Managed cloud infrastructure on AWS EC2, in charge of server performance and on-call support and speed up to 50%.✧ Used cached techniques for the site performance with Memcached, Redis, Filesystem, Local- memory and increased the performance to 30%.✧ Implemented authentication scenarios, single sign-on(SSO), multi-factor authentication(MFA), social login using the OAuth 2.0 framework(OIDC), improving a security and a reliability for web applications toauthenticate users and reducing the risk of data breaches and other security threats.✧ Created 30 controllers and 50 models to architect the application with Ruby on Rails, React and implemented the background processes using sidekiq.✧ Created, deployed and run the applications in a containerized environment using Docker, reducing the risk of errors and improving the reliability of the application by 35%.✧ Managed the containerized applications using Kubernetes, optimizing the performance and reducing the costs by 30%.✧ Conducted thorough testing and debugging of front-end components to ensure high-quality and bug-free software with Jest/Enzyme, resulting in improvement of the code quality by 40%. Show less

✧ Developed and deployed RESTful API using Ruby on Rails for seamless integration with the Mobile App, resulting in a 40% reduction in data retrieval time and improved overall app performance.✧ Spearheaded the implementation of authentication and authorization frameworks on Ruby on Rails;significantly strengthened app security, leading to a 50% decrease in unauthorized access attempts and ensuring seamless user experience.✧ Converted 100+ HTML templates into Haml/Slim using Ruby on… Show more ✧ Developed and deployed RESTful API using Ruby on Rails for seamless integration with the Mobile App, resulting in a 40% reduction in data retrieval time and improved overall app performance.✧ Spearheaded the implementation of authentication and authorization frameworks on Ruby on Rails;significantly strengthened app security, leading to a 50% decrease in unauthorized access attempts and ensuring seamless user experience.✧ Converted 100+ HTML templates into Haml/Slim using Ruby on Rails, resulting in a 30% improvement in readability, DRY, security and integration with other tools.✧ Automated repetitive tasks such as minification, concatenation and compilation of CSS and Javascript files with Gulp/Grunt/Browserify, resulting in saving time and reducing errors by 35%.✧ Bundled the frontend assets into a single minified javascript file for use in the browser with webpack, babel in React, improving maintainability by 30%.✧ Wrote tests using Rspec and Capybara for 30 controllers and 50 models. Show less