Mob programming, mostly backend, PHP, Node.js, microservices, Docker and more.

Senior engineer working on the company’s only product, an ERP system with a strong set of features for factories of any kind. It is built with C# (ASP.NET MVC), deployed to AWS, and uses Oracle databases.- Full stack, C#, ASP.NET MVC, JavaScript, jQuery, Oracle DB, Entity Framework, Redis (cache and custom locks), NUnit, Selenium- On-board, assist and teach interns/juniors- Designed and implemented the architecture to support end-to-end tests (Selenium, Page Object pattern); it’s been a couple years and it’s still being used successfully- Always pushing the team to reduce technical debt, increase overall performance of the system, automate every repetitive task- Maintainer of the CI pipeline, Github organization and internal tools/scripts (Python, Powershell, PL/SQL)- Responsible for the AWS infrastructure (EC2, S3, RDS, CloudWatch), and application updates, as well as clients’ on-premises installations- Migrated the codebase from SVN to Git (Github), allowing for a better, more flexible workflow and the use of modern tools- Successfully introduced a migration tool (Liquibase) to replace manual migration scripts (raw SQL stored in a custom in-house system)- Successfully migrated our CI pipeline from TeamCity to Github Actions; developed an auto-scaling solution for the task runners (Terraform, AWS: API Gateway, Lambda, SQS, S3, EC2 Linux and Windows)

Joined the company to help finish a BI system for Instituto Crescer, successfully taking advantage of the opportunity to consolidate my skills in web development.- Full stack, Ruby on Rails, Heroku- PostgreSQL, ActiveRecord, Redis, Resque- jQuery, React, Vue, Chrome Extensions- Agile/Scrum, Pivotal Tracker- Assisted with the launch of market campaigns for the Escolas Conectadas project (Fundação Telefônica/Vivo), transforming Photoshop designs into web pages (Bootstrap/jQuery for rapid prototyping and delivery)- Optimized load/response times for mobile devices on slow networks (using tools like Lighthouse, load tests and network traffic analysis)- Implemented A/B tests and analytics tracking (Google, Facebook and other 3rd party players)- Also worked on my Bachelor’s final project, a tool to avoid duplicate content on online courses/forums (its concepts would later be integrated into a company product)

Worked on the "Next" desktop ERP system.- Delphi, Firebird SQL, Report Builder, Windows- Though I worked on every aspect of the application, I was the main responsible for the electronic invoicing (NF-e and NFS-e, integrated with municipal and federal services) and billing systems (exchanging information with banks through CNAB 400 and 240 file formats)- Client installations and updates- Personally answered client support calls about developed features (and others if needed)- Wrote the backup scripts (batch and bash) used in clients’ installations- Planned and carried data migrations from legacy systems used by new clients (through custom scripts and software)- Organized/authored documentation about our development environment, tools and client setups

Initially responsible for superficial parts of the system, like queries and – mainly – reports made with Report Builder. In a short time, I was already working on more critical sections of the project, as well as helping with client support calls. Authored the deploy routine currently in use, which was a manual operation until then.