In this company I was able to architect programs based on micro services architectures and modular monoliths always based on domain driven design and test driven design. In addition to architecting and developing applications mostly using PHP (Laravel and Slim Framework) and Javascript (Nodejs). I got very involved with the DevOps area by creating pipelines on Gitlab and exploring AWS services. I was also responsible for creating development environments using docker and docker-compose and some production environments using the services of ECR, ECS and Fargate from AWS previously mentioned. And I worked on the frontend side using the Javascript language and some of its frameworks and libraries like Jquery and Vuejs.- Developed and architected frontends applications using vue3's api compositions as well as several of its libraries and frameworks such as Pinia for store management, Vue router for routes and so on;- Used the backend for frontend pattern extensively both in the backend and frontend;- Implemented and led a microservice which It was responsible for validating, normalizing and collecting whole user’s data and provide these pieces of information for all others microservices in the company using a pool of messages (Kafka). Also, this application was able to collect and validate the biometry of our users.- Developed and Architected applications mainly in Javascript (Vue 3) andPHP (Laravel);- Implemented and led an application responsible for user login with multifactor authentication, OpenID Connect, SAML, OAuth and SSO. To do so, I used the Laravel framework on the backend, the AWS Cognito service and Vue 3 on the frontend to login clients and keep the connection active via token;- Developed web-based applications, back-end API services using PHP, and front-end applications, mostly using Javascript technologies such as Jquery, and Vuejs. And whenever possible applying principles of design patterns, functional tests, and unitary

I've worked in a microservice responsible for validating, normalizing, and collecting all user data. This microservice provided information to all other microservices through a messaging pool (Kafka). Furthermore, this application could collect and validate the biometrics of millions of bank users using the Laravel frameworks (PHP) and connect with several third-party identity validation APIs.

At Atacadão, I worked as IT manager, tech lead and developer, where I was responsible for the entire IT area, from development to infrastructure and systems, in addition to coordinating the IT group. Architected solutions using PHP and some of its frameworks in the backend and Javascript (Vuejs, Jquery and Vanilla) to develop web solutions, in addition to having a lot of contact with the infrastructure looking for cloud solutions with AWS.- Created applications for the company's financial, accounting and sales management. I used in the backend via APIs a collaboration between internally created services and some outsourced services such as shopping delivery, some accounting features and issuing invoices. In the frontend, Vuejs was used to create components and their respective layers of views using asynchronous and synchronous calls for HTTP requests to backend services, use of design patterns and architectures in order to demonstrate the separation of the business layer for requests from different services outsourced;- Lead and manage the IT team with around 10 developers and 5 network professionals spread across 15 stores across the country;- Migrated on-premises services to the AWS cloud;- Developed and led the main microservices and applications responsible for the company's sales and management;- Conducted code review and created pipelines in GitLab with integration for AWS resources.

In this work I had a lot of contact with the PHP languages in the backend and Javascript in the fronted (Jquery and Vanilla). Using only the resources that these languages offered was a great learning experience to understand how they work.