Alexandre Paez Sequeira Email & Phone Number

State Of São Paulo, Brazil

- Leading foundation team, which is responsible for building and maintaning standards and infrastructure platform- Built local environment using kubernetes, getting local/development environment as close as possible to production environment- Led team on migrating the most critical applications from on premises Docker Swarm to AWS kubernetes- Led team on refactoring our legacy websocket application written in Golang to be able to horizontally scale it- Led team on building an OpenID User Authentication service to unify our products logins using Ory Kratos/Hydra and NextJS

- Implemented auto healing patterns into all legacy applications running on premises and AWS Docker Swarm environments, improving applications uptime and user experience- Led team on building AWS environment using Kubernetes to replace Docker Swarm- Led team on migrating all applications running on AWS using Docker Swarm to Kubernetes and configured Horizontal Pod Autoscaler to handle user peak times and special events which drastically increased applications demand.

The mission was to build new tech team and culture. We acomplished:- Hired new team to develop the product- Built cloud infrastructure and ci/cd patterns using terraform, aws, kubernetes and gitlab-ci- Built core systems like:- login/openid system using nodejs- enrollment system, students got enrolled to courses and classes.- payment system, billing students with multiple payment methods (credit card, bank slip and student loan)- accounting system, integrated with granatum solution- Led product team into building:- Skill Assessments system, auto generated assessments to measure students on specific topics.- Business website using nextjs- Maintaining existing systems and applications

São Paulo E Região, Brasil

Scaling to thousands of clients was very challenging but also very cool experience. - scale team from 6 to 50 people, 3 to 12 software engineers.- Many cash transfer integrations with most popular banks- Credit card payment integrations with multiple acquirers- PCI implementation- BACEN approval as payment institution- Billions of Jobs executed with Sidekiq- Ruby payments API to handle thousands of requests per minute- Search API with elasticsearch- Adopted Kubernetes to orchestrate our applications on AWS

At that time our mission was to build a software platform to create startups very fast. We created the platform and launched 3 startups within 1 and a half year, but decided to focus on financial services and automation right after that. - Financial Platform MVP - Continuous improvement with feedbacks from early adopter startups. - Scaling to hundreds of startpus and businesses - Integrations with credit card acquirers and banks for bank slip payments - Accounting and backoffice applications to manage the platform