David Huerta Email & Phone Number

Querétaro, Mexico

Achievements- The design of several high-quality applications. Synchronous and Asynchronous applications, having OOP implementation, design patterns, cache strategies, observability, and performance reports.- I fixed bugs related to production issues.- Design applications using AWS SAM, docker container, breaking monolith applications.- Be part of a worldwide team using the English language.

Cxdmx

It was a project with the Mexican government to evaluate candidates for job positions (as school teachers) in the educational system during the 2020 and 2021 years.I led the systems team to create the web application that evaluated 1,200,000 applicants divided into 12 sessions lasting 3 hours, with a maximum concurrency of 150,000 users writing to the database and taking pictures and audio from the webcam. We worked with 15 TB of data in every session (for proctoring proposes).AWS chose our project as part of the AWS Educational Success Cases in 2021. This is the interview:https://drive.google.com/file/d/1oJBGVWtby-mjhXhFUHwtevJ7C2zoXZrr/viewAchievements:- The design and development of an event-driven system behind the mission-critical web application for the exams and the delivery of results on time to the Mexican government of approximately 1,200,000 evaluations over two months- 30% of cost reduction from the same service in the previous year (10 Million UDS of cost reduction)- Design of a high availability and high concurrency API where the users saved their data (500 instances running at the same time)- Design of a fault tolerance web application where the users read the questions and sent the responses. That application was a PWA with fault tolerance features like internet cx, authentication, webcam, and microphone issues.

Nuevo Leon

Vivalia is a finance company whose business model is to give loans to government employees. I was responsible for developing the intranet (C # SqlServer), public systems (Node AWS), Website, Microservices, and Document Management.Achievements- The design and implement the electronic payment system with Banco de México (spei). This application gives money to the clients, and it’s a mission-critical application.- Design and implementation of a microservices system around a monolithic ERP.- Administration and protection of client documents (loan applications)