Tarcisio Ambrosio Wensing
Summary
Experienced engineer specializing in automation and infrastructure solutions that simplify workflows and enhance
developer productivity. Hands-on professional skilled at analyzing, structuring, building, and implementing effective
solutions that deliver real impact. Strong soft skills enable me to understand goals, collaborate efficiently, and align
technical solutions with business objectives.
Skills
Python, JavaScript, Java, Shell/Bash, Typescript, AWS, Azure, Azure DevOps, Gitlab, Github, Jenkins, Backstage, Kubernetes,
Rancher, Datadog, Dynatrace, Grafana, ArgoCD, Helm, Docker, Infrastructure as Code, Ansible, Terraform.
Experience
Infrastructure Lead, Oct 2024 - Present
Cielo S/A, São Paulo/SP - Brazil
Improved platform scalability and reliability by centralizing the management of over 100 Kubernetes clusters,
implementing unified monitoring, automation, and governance standards.
Delivered a self-service internal developer portal using Backstage, enabling teams to provision infrastructure, which
accelerated delivery cycles and increased adoption across the organization.
Enhanced scalability, consistency, and automation by defining infrastructure as code, ensuring reproducible and
compliant deployments.
Tech/Skills: Kubernetes, Backstage, Terraform, Rancher, ArgoCD, AWS, Gitlab, Github
Staff DevOps Engineer, Mar 2023 - Oct 2024
Riachuelo, São Paulo/SP - Brazil
Accelerated time to market by enabling self-service delivery of infrastructure and tools through an internal developer
portal built with Backstage.
Built and standardized 3,000+ Azure DevOps pipelines from a centralized repository, automating deployments across
diverse platforms.
Reduced build and deployment time by over 50% by implementing caching, Dockerized builds, and multi-stage Docker
pipelines aligned with CI/CD best practices.
Tech/Skills: Docker, Azure DevOps, CI/CD, DevOps, Bash, Python, AWS, Azure
DevOps Engineer, Apr 2022 - Dec 2022
Buser, São José dos Campos/SP - Brazil
Configured and sustained CI/CD pipelines in GitLab, streamlining Python and web application deployments.
Diagnosed and resolved containerized service issues within Kubernetes clusters, improving system stability and uptime.
Implemented ArgoCD to automate and standardize Kubernetes deployments, enhancing reliability and delivery speed.
Tech/Skills: Kubernetes, Docker, Gitlab, DevOps, ArgoCD, Bash, Python
DevOps Engineer, Jul 2019 - Apr 2022
Midway, São Paulo/SP - Brazil
Monitored applications and infrastructure using Dynatrace and Datadog, improving observability and proactive incident
response.
Built Azure DevOps pipelines from scratch (classic and YAML), standardizing CI/CD practices across projects.
Migrated Jenkins and GitLab pipelines to Azure DevOps, unifying delivery workflows and reducing maintenance
overhead.
Evaluated and integrated emerging DevOps technologies, driving continuous improvement in automation and delivery
efficiency.
Tech/Skills: Gitlab, Azure DevOps, CI/CD, DevOps, Bash, Python, AWS, Azure, Jenkins
Android Developer, Aug 2018 - Jul 2019
Itaú Unibanco, São Paulo/SP - Brazil
Maintained and improved new features for the Android application using Kotlin, improving user experience and
stability.
Resolved application issues through structured analysis and technical troubleshooting, ensuring optimal performance
and reliability.
Collaborated with cross-functional teams to define, design, and deliver new features, accelerating product development
and alignment with business goals.
Tech/Skills: Android, Kotlin, Espresso UI Tests
Software Developer, Feb 2017 - Aug 2018
Pontotel - Lar21, São Paulo/SP - Brazil
Planned and delivered software solutions aligned with business objectives, improving product efficiency and customer
satisfaction.
Sustained and enhanced the Android mobile application, ensuring performance, stability, and user engagement.
Rewrote the entire application in Kotlin, modernizing the codebase and improving maintainability and performance.
Implemented facial recognition functionality, enhancing application security and user experience.
Developed backend services in Python and frontend in angular, delivering a full-stack, scalable solution.
Built and maintained CI/CD pipelines, automating build, test, and deployment workflows.
Tech/Skills: Docker, Drone CI, Gitlab, Python, Vue, Angular, Bash
Education
Software Analysis and Development, 2016 - 2018
Universidade de Mogi das Cruzes, Mogi das Cruzes/SP, Brazil
Courses
iOS Mobile Development, 2016
Caelum Java and Object Oriented
Languages, 2011
Caelum
Additional information
Certifications, Azure Fundamentals - AZ-900
August 2020
Language Course, EC English Languages Centre Alumni
November 2013
