Roberto Ferreira Junior

Software engineer based in Rio de Janeiro 🇧🇷 who loves Linux, Docker, Networking, Python, Scrum, Microservices, Chaos and Hard scaling problems.

Email / Website / LinkedIn / GitHub

👩🏼‍💻 Engineering Experience

Devops Engineer @ Endlabs (apr 2022) - jan 2023)
Startup developing a blockchain platform for Finance.

• Aws architecture.
• Jenkins deployment & administration.
• Terraform deployments.
• Serverless architecture.
• Kubernetes architecture, deployment (EKS).
• Shell scripting and Python for automation.
• Observability tools (Grafana, Cloudwatch and Rundeck).
• Blockchain workload (centriguge, tendermint, smartcontacts, polygon nodes).
• Resposable for production environments, security and root credentials.
• Technologies used: Jenkins · Unix · Docker Products · Prometheus.io · Shell Scripting · Continuous Integration · Continuous Integration and Continuous Delivery (CI/CD) · Blockchain · Grafana · DevOps · Cloud Computing · Scrum · Solution Architecture · Desenvolvimento de software · Linux · English · Kubernetes
  
  

Devops Engineer @ Lifted (jul 2022 - jan 2023)
Startup developing a Blockchain.

• Ansible playbooks
• Architectured, deployed and maintained a on prem kubernetes cluster (3 CP, 5 nodes)
• Totally on prem.
• Developed KV store using golang on top of tendermint.
• Blockchain.
• Technologies used: Unix · Docker Products · Prometheus.io · Shell Scripting · Continuous Integration · Continuous Integration and Continuous Delivery (CI/CD) · Blockchain · Grafana · Amazon Web Services (AWS) · DevOps · Scrum · Information Security · Desenvolvimento de software · Linux · English
  
  

SRE/Devops Engineer @ Boa Vista (mar 2021 - apr 2022)
Credit company based on analytics.

• Goggle cloud solutions design
• Terraform architecture and coding
• Python development
• Gke multi clusters administration
• Kubernetes architecture and administration
• Gitlab pipeline development.
• Allocated in a data team with multiple data pipelines
• Cassandra, bit table, big query, Postgres
• Rundeck development and observability tools'
• Technologies used: Unix · Docker Products · Prometheus.io · Shell Scripting · Continuous Integration · Continuous Integration and Continuous Delivery (CI/CD) · Grafana · DevOps · Cloud Computing · Scrum · Solution Architecture · Desenvolvimento de software · Linux · Terraform · Google Cloud Platform (GCP)
  
  

Devops Engineer @ Hospital Israelita Albert Einstein (mar 2020 - sep 2020)
Working in an Inovation team.

• Created multiple pipelines integrating Jenkins with kubernetes.
• Team coordination using Spotify framework
• Used spinnaker to develop deployment pipelines
• Canary and blue green deployment strategies
• Implemented a monitoring stack using dynatrace and grafana.
• AWS maintainer and architecture.
• Technologies used: AWS, Python, Shell scripts, terraform, Networking, Jenkins, Team Leadership
  
  

SRE @ Leroy Merlin (aug 2019 - mar 2020)
Working in an Ops Team.

• Responsible for maintaining architect and migrate Aws workload to GCP.
• Created terraform scripts for Kubernetes.
• Split monoliths into Microservices.
• GKE archteture and maintanence.
• Observability using Dynatrace.
• Pipelines using CircleCI.
• Technologies used: GCP, GKE archtecture, Python, Shell scripts, terraform, Networking.
  
  

Especialista em tecnologia III @ Rede Globo (jun 2016 - dec 2018)
Working in a QA Team.

• Alocated in a Quality Assurance team.
• Worked as an ALM & Devops specialist in an Agile team handling CICD multiple pipelines.
• NodeJs applications using Gitlab and Fastlane.
• Lead architect for containers technologies mainly using Kubernetes.
• TFS pipelines for software factories.
• Maintainer of AWS accounts, desingning solutions as well, most of then focusing on fast delivery and simplicity.
• Terraform scripting for versioning infrastructure as code.
• Technologies used: AWS, Python, Shell scripts, TFS, Fastlane, Pipelines.
  
  

DevOps Engineer @ Tokio Marine (jun 2015 - jul 2016)
Working in an Archtecture team.

• Desinged and maintained a Deis container cluster on premise.
• Jenkins Pipelines.
• Container technologies.
• Totally on prem.
• TOMCAT templating.
• Java Deployments.
• Technologies used: Deis Cluster, Docker, Jenkins, Automation, Java, Tomcat.
  
  

DevOps Engineer @ SoftLayer, an IBM Company (aug 2013 - jul 2015)
Working in a Devops Team team.

• I have developed scripts using Ksh, Bash, Perl, Python and OpsCode Chef framework based on Ruby to automate infrastructure tasks and deployment of applications in a DevOps approach.
• SME Docker Specialist.
• BlueMix IBM Containers cloud deployment.
• Cloud Computing Specialist.
• SoftLayer, Bluemix, Docker, LXC, Git, Linux , Apache, Shell Script, Linux Servers.
• Linux distros as CentOS/Debian/Red Hat/Ubuntu/CoreOS.
• Chef configuration managment tool for automation and deploy on SoftLayer and UrbanCode deploy.
• Docker automation using Chef recipes.
• Technologies used: AWS, Python, Shell scripts, Chef, Networking, Automations.
  
  

Developer @ Engineering do Brasil (aug 2013 - jul 2015)
Working in a Project team.

• Operation and Application Support for TIM Brasil.
• Python and Selenium to automate boring tasks.
• Django (Models, views and templates).
• Fireworks.
• Javascript(Jquery), CSS, Ajax.
• Technologies used: Django (Models, views and templates), Fireworks, Javascript(Jquery), CSS, Ajax, Python, Selenium.
  
  

Developer @ AT&T (jun 2010 - mar 2011)
Working in a Billing team.

• AT&T billing application services.
• Python developer and application support.
• Manual billing data input (Automated by myself later on)
• Oracle Administration.
• Technologies used: AWS, Python, Shell scripts.
  
  

IT Security analyst @ IBM Global Services (jun 2006 - feb 2009)
Working in a Security team.

• Information security policies.
• User administration.
• Environment Compliance tools (Tivoli SCM).
• Support to different operacional systems (W2K, W2K3, Linux (Suse and Red Hat), HPUX, AIX and SUN Solaris).
• Direct envolvement with projects related to the area, migrating clients for the UAT tool (User Administration), which managed all present users at IBM’s Brasil Outsourcing servers.
• Technologies used: Unix, Security, Sysadmin, User Administration and permissioning, Cygwin.
  
  

Internship/Junior analyst @ Perfetti Van Melle (jan 2004 - jun 2006)
Working in a IT team.

• IT administration
• Active Directory administration
• User support.
• SQL server administration
• Technologies used: Windows environment administration, User support.
  
  

💬 Languages

🇺🇸 English: Advanced
🇮🇹 Italian: B1

👩🏼‍🎓 Education

MBA in Finance (Incomplete)
Insper - São Paulo , São Paulo , BR (2020 - 2021)

Bachelor of Engineering (B.E.) in Computer Engineering
São Francisco University - Campinas , São Paulo , BR (2004 - 2010)

English for Business
PICE - Perth international college of english - Perth WA, Australia (2010)

DevOps Essential Professional Certificate at CertiProf
CertiProf - Online course (Issued Jan 2019)

Data Scientist with Python at DataCamp
DataCamp - Online course (Issued May 2019)

Perestroika - Chora PPT focused on Storytelling
SPICED Academy - São Paulo , São Paulo (2019 - 7 days course)

ITIL Foundation at IBM
IBM - São Paulo , São Paulo (2019 - 5 days course)

RH133 Red Hat Linux System Administration
Red Hat - São Paulo , São Paulo (2009 - 7 days course)

MCSE Microsoft Certified System Engineering
People Computing - São Paulo , São Paulo (2006 - 1 year course)