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Work Background
Lead Software Engineer, Backend
TiltLead Software Engineer, Backend
Jan. 2025London Area, United Kingdom
Senior Software Engineer
TiltSenior Software Engineer
Jun. 2022 - Jan. 2025Londres, Inglaterra, Reino Unido
Senior Software Engineer
KlarnaSenior Software Engineer
Aug. 2020 - Jun. 2022Berlim, AlemanhaWorking directly with the ledger to bring events up to a Kafka topic, to be consumed for all our services in all of Klarna's markets. AWS, Spring Boot and Terraform are part of our daily tasks.
Tech Lead - Solutions Architect - Software, Cloud and DevOps
PareBem EstacionamentosTech Lead - Solutions Architect - Software, Cloud and DevOps
Dec. 2019 - Aug. 2020Brasília e Região, BrasilAs a tech lead of the team my first attributions is to help the team to deliver the value expected by the managers. I lead scrum daily meetings. And as my first challenge I was responsible to create a data lake infrastructure. Created using Terraform, Kubernetes, Elastic Search and Logstash. Parallel to that I was working to migrate all project to be deployed using a CI/CD process and to use a Kubernetes created using Terraform.
Software Development Consultant
PareBem EstacionamentosSoftware Development Consultant
Apr. 2019 - Dec. 2019
Solutions Architect - Software, Cloud and DevOps
INFOSOLO S.A.Solutions Architect - Software, Cloud and DevOps
Aug. 2018 - Dec. 2019BRASÍLIA/DFDeveloping a video stream platform that can be short explained as a ”Gospel Netflix”. Working with AWS to put all the app over the air. AWS Media Services to prepare the videos to stream, AWS S3 to store movie data, AWS CloudFront to delivery assests as fast as possible, AWS RDS as our multiregion database, AWS Cognito to auth users,, AWS EKS to host our containers and others. Using Terraform to configure all infrastructure. Infra-as-code was a serious point here. I lead this task and create dev/stage/prod environment using Terraform. The infrastructure project has its own CI/CD process where anyone can deploy a new infrastructure version following the GitFlow. I am working a lot in clients app too. The web are developed using Angular6 and the mobile and TV apps are developed using React Native. All of that has a specific CI/CD process too. We are using Spring Boot on the backend following the Microservices Architecture. We was inspired a lot by the Netflix's papers and we implement our services following these patterns. Circuit Breakers and others help us a lot to be more resilient. We have a high tunned Kubernetes cluster. In this cluster we have automatic horizontal node scale, automatic horizontal pod scale, ELK stack to monitor and Rancher to administrate it more easily. I lead, led or, at least, was hard envolved in all this points and I'm proud of that.
Software Architect
IndraSoftware Architect
Apr. 2018 - Aug. 2018Brasília e Região, BrasilSicoob is a bank and here I worked defining and developing new technologies like proof of concepts of blockchains applications, API Manager definitions, CI/CD process (using Jenkins), Docker containers and others. I could understand better how big companies works and how to help and guide big teams.
CTO and Founder
RhasesCTO and Founder
Dec. 2015 - Dec. 2018Brasília Area, BrazilThis experience begins when me and my two partners develop a project to improve the sales of health insurance in Brazil. The project received 3 rounds of investiment, raising R$423k (vide CrunchBase data). As CTO I could learn a lot about how to build a team, develop people and manage tasks. Our team was flat and work following Scrum methodology. In this time I could go deeply in MEAN Stack, Continuous Delivery Process and Microservices Architecture. This project has services implemented using NodeJS exposing RESTful services, like the definition. The frontend was implemented using Angular(JS and 2+). The servers are deployed on Heroku using Heroku CLI and some projects directly on AWS. All deploys are done using BitBucket CI/CD process. All architecture and infrastructure was developed by me or was on my hands sometime. In this period I delivered some open-source projects. One of that was the Brazilian Cities project to contribute with the community. REF: - https://www.crunchbase.com/organization/rhases - https://martinfowler.com/microservices - https://martinfowler.com/bliki/ContinuousDelivery.html
Software Architect
e-Sec Segurança DigitalSoftware Architect
Feb. 2015 - Feb. 2016Brasília Area, BrazilWork designing solutions to adapt Certillion for client problems. We work with JBoss (EAP 6.1 e Wildfly), a lot of JMS queues, JAX-RS e JAX-WS, and topics and many EJB's to handle all of it. We used Scrum to manage our taks. I plan, draw, design and implement many solutions that made the the clients happy.
Systems Analyst - Senior Programmer
e-Sec Segurança DigitalSystems Analyst - Senior Programmer
Apr. 2012 - Feb. 2015BrasiliaDevelopment of mobile applications focusing on encryption.
Java Programmer
Mirante TecnologiaJava Programmer
Feb. 2011 - Aug. 2012Brasília Area, Brazil
Trainee - Programmer
Mirante TecnologiaTrainee - Programmer
Feb. 2010 - Feb. 2011Brasília Area, BrazilGreat challenges motivated me.
Intern - Programmer
Mirante TecnologiaIntern - Programmer
Sep. 2008 - Dec. 2009Brasilia, BrasilMuch learning time and an extremely high knowledge curve. I worked on my first project JavaWeb using the framework called Seam with Hibernate, JSF and others.

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Tech expert, i can code whatever you have in a mind.
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