Marcus Vinicius

Situation:
Happening, a tech company with 500+ engineers and dozens of product teams, had no owner for observability. The existing stack was costly, inconsistent, and lacked automation, making it difficult to scale across environments.

Task:
I was brought in to change observability strategy, with a focus on reducing costs, implementing standards, and automating adoption across multi-cluster Kuber

Situation:
Power operated a large-scale, bare-metal Kubernetes infrastructure across six clusters in private data centers, with growing observability and automation challenges across 15+ engineering teams.

Task:
As a Site Reliability Engineer, I was responsible for ensuring system reliability, operational efficiency, and observability in a multi-cluster, high-throughput environment.

Action:

Ope

Situation:
Parfin was a greenfield fintech project building a secure, high-availability crypto asset platform from the ground up. The company’s success depended on establishing a solid and scalable technical foundation aligned with modern cloud and security practices.

Task:
I was responsible for designing and implementing the core infrastructure, CI/CD pipelines, developer tooling, and later led

Situation:
BTG Pactual was rewriting its core banking platform. There was a critical need for standardized engineering practices, observability, and a robust incident response process to support scalable, cloud-native banking services.

Task:
As a Tech Lead and SRE, I was responsible for establishing software architecture foundations, developer tooling, observability standards, and incident manage

Responsible for the architecture, development, deploy and operations of all IT and Business monitoring solutions on Stone.

C# Developer:

Back-end developer focused in develop high performance microservices.

Used technologies:

.NET Framework, .NET Core, Asp.NET Core, WebApi, WCF, SQLServer, Windows Forms, MongoDB, ElasticSearch, EntityFramework, Dapper, Microsof.TPL.Dataflow, WCF, Asp.NET MVC, Windows Services, etc.

Continuous delivery:

Jenkins, GoCD, Puppet, Docker, Linux, PowerShell, Shell Scripting, Ansible, et

Team Leader:

Leader responsible for creating and maintaining all monitoring, alerting and automatic responses for IT Security Incidents.

Responsible for to do interface between the Prevention area, CSIRT and operational areas, to collect and document requirements, analyze data to build automations based on behavioral analysis.

Using technologies like: JAVA, PHP, Shell Script, Pearl, PostgreSQL,

Responsible for the coordination of technology and development projects.

Among the projects are:

Development in e-commerces: Singular Store and Author's Universe, using PHP with Magento.

Integration of E-commerce with the company's ERP

Development of WebSites of company-specific tools.

Integration with the Elsevier Store

Planning and conducting the project of safety and usability improvement

Responsible for managing the IT team with: 2 frontend developers, 2 back-end developers, 1 web infrastructure analyst and 1 support technician.

Responsible for the management, planning and budgeting of all projects involving IT.

I've structured the entire IT area. I defined the sub areas, recruited professionals, established standards, processes and routines.

I defined the infrastructure of web

I was responsible for managing the IT team, with back-end developers and a web infrastructure analyst.

I created the ​​development area of the company establishing standards and processes.

Member of the strategic planning board of the company, creating the planning of the sitesVviamore and Zé Moleza for three years.

I made the complete migration of the Zé Moleza portal that was established in A

I developed an advanced CMS for the implementation of the new Glossary.

I've created an XML content delivery interface for partners.

I developed an acceptance testing automation system based on the Selenium tool.

I developed and deployed a multi-project and multi-user version control system, based on subversion. This model reduced the site update process by 16 hours and eliminated all points of

Developer. Coordinator of the development team, responsible for the maintenance of the servers in production.

I developed affiliates system Afiliads.com. A system of great acceptance in the market at the time, that counted on excellent references in the Brazilian Internet.

I developed the service AondeNamoro.com, a dating site. I developed and implemented the new layout. I was responsible for th