Diego Sevilla

• Designed and developed an informational responsive webpage from scratch, utilizing React for Frontend implementation, incorporating Node.js and Express for backend functionality. Followed best accessibility and SEO practices for Google Search Console successful indexing and visibility on Google.
• Employed AWS to make certain deployment and efficient management of the webpage via serverless services.

Tech Stack and Additional skills: React, Node.js, Express, TypeScript, Bootstrap, SASS/SCSS, MongoDB, AWS, Photoshop, Illustrator, Figma.

• Implemented a relevant Redux update (5.x to 7.x) to the main Frontend app promoting the usage of more recent React code practices and updates to outdated packages throughout the application.
• Built the Frontend and Backend for +8 new management screens that contained tables and other components for monitoring and auditing purposes related to property management data.
• Created two DB back-fill processes deemed for updates to +70,000 DB records taking into consideration different directives and conditions. Data integrity was not affected.
• Added +5 new reusable components to the Frontend Component Library normally used for customizations.
• Refactored and updated +5 forms on the main frontend app enhancing data submission and user experience.
• Completed +5 Jira Epics on time regarding enhancements to already existing features and made possible to maintain the relationship with a client which represented the 5% of the company’s revenue.

Tech Stack and Additional skills: React 16, TypeScript, Material UI, Bootstrap, Redux, Node.js, Express, Amazon Web Services (AWS), Docker, PostgreSQL, Git, Scrum.

• Initiated, structured and set the basement of the Front-End side of a remittances company web application following a micro-Frontend architecture and collaborating closely with the project’s solutions architect, facilitating deployment and establishing long-term solutions for the project. With this initiative, I saved approximately +3 weeks of time to the company. This setup involved tasks like project configuration, CSS framework setup (Bootstrap with Sass) and internationalization packages setup for translations.
• Integrated the debit card payment with a POS for a transfers app by implementing the communication between the Frontend and a desktop app used as a bridge to use peripheral devices.
• Assessed UX/UI designs regarding specific components and web page views, making sure they were technically feasible.
• Added +6 new responsive pages and +5 new web components to Cognits updated website, contributing to a more modernized and user-friendly online interface.
• Managed diverse integrations not to mention Angular API implementations and comprehensive refactoring initiatives to optimize system functionality and performance.

Tech Stack and Additional skills: React 17, TypeScript, Angular 15, Bootstrap, SASS/SCSS, SOLID, Next, Nx, Node.js, Express, AWS, Docker, MySQL, Git, Scrum.

• Improved order tracking and products delivery by 50% through two carrier APIs integration concerning real-time updates for orders delivery throughout Guatemala City and all delivery-feasible regions of the country. This made it easier to see where orders are and make decisions quickly.
• Implemented Python scraping scripts, enabling efficient data extraction from +15 competitors for business insight purposes and maintenance of competitive product prices on the website.
• Set up a python process dedicated to PID unification, avoiding links redirecting to the same product with a different price on the website. This script would update inventory quantities between two or more products with the same PID and from the same vendor choosing the product with the lowest price for better customer engagement. This scheduled and automated script helped update +500 products with PID issues in the first run and helped save +20 minutes of time (with each unification) by automating this specific process that was done manually by vendor manager, whenever new products entered to catalog.
• Created a python script to fix product inventory quantity issues in the DB. This automated script helped update +10,000 products with quantity issues on the first run. These issues were caused by a flawed query on the admin dashboard, that was fixed as well, to prevent future occurrences.
• Assembled +10 responsive web pages on the website, plus managed PHP interactions with MySQL, facilitating data management and enhancing the overall functionality of the website.
• Administered AWS EC2 servers and AWS RDS instances ensuring a robust and secure infrastructure, contributing to the seamless functioning of the system.

Tech Stack and Additional skills: React, TypeScript, Python, PHP, Node.js, CSS, MySQL, Docker, AWS, Git, Scrum.

• Implemented a React testing website employed to test important features such as images and documents storage and the integration of AWS services packages and communication with backend.
• Deployed a static website using Amazon S3, CloudFront, Route53 and AWS Certificate Manager using a domain for QA purposes. Moreover, created Lambda functions with Java for processes automation.

Tech Stack and Additional skills: React, TypeScript, Node.js, AWS: S3, Cloudfront and others. Docker, Java, Git, Scrum.