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Vitor Barbosa Tavares de Freitas
Brazilian, from Rio de Janeiro
Contact: [email protected] | https://linkedin.com/in/vtrbtf/en

Highly skilled Software Engineer with 12+ years of experience in software architecture, infrastructure engineering (cloud and on-prem), agile development, messaging/database systems, SRE, CI/CD pipelines, and data-intensive systems. Proven track record leading and mentoring engineers across diverse teams (product, cloud, support) in e-commerce, advertising, and banking domains (C2C, B2C). Proficient in JVM languages (Kotlin, Clojure, Groovy, Java) with additional experience in NodeJS, Go and Python.

I had the opportunity to handle several challenges as an engineer. Some of those were:

  • Microservice migration of several performance critical services from on-prem monolith to the cloud of the biggest b2c player in Brazil
  • API global security layer based on OIDC to all company services
  • Integration layer of major C2C platform that handle Ad ingestion of hundreds of customers each one with hundreds or thousand ads per day.
  • Brazillian instant payments integration of major components (SPI and DICT) with hands-on acting on development and system design since day one to the actual implementation and day-to-day operations.
  • Design and development of a highly scalable and low latency payments platform.

Experience

Nubank

Nubank is a leading financial technology company in Latin America and elected as the most innovative company in Latin America

Staff Software Engineer [2024/Today]

Led the scalability efforts in one of the business areas and supported team growth along with mentoring engineers on technical subjects.

Lead Software Engineer [2019/2023]

Led the infrastructure and messaging side of instant payments (pix) and wire transfer (TED) squad. Also led and mentor engineers on other internal business units.

OLX Brasil

OLX is one of the biggest Brazillian C2C marketplace platforms.

Specialist Software Engineer [2018/2019]

Led the development of the external ad load ingestion process solution, which handled 1Mi+ ads per day

ThoughtWorks

Leading global technology consultancy

Senior Software Consultant [2017/2018]

Mostly working as an SRE consultant, I was part of the development of a variety of API governance and security solutions/tools for a big American retail client. Also, temporarily working in San Francisco helping the client with architecture discussions.

Software Consultant [2016/2017]

Contributed to internal projects, mainly working on building an open-source CMS, for 6 months. After that, I started to work for an American retail client, mainly developing and maintaining internal APIs.

B2W Digital / Americanas S.A

B2W Digital was at the time the biggest e-commerce platform in Brazil. It's now rebranded as Americanas S.A

Mid-level Software Developer [2013/2016]

Working as a product engineer, I've contributed to the development of promotions and discounts related microservices, mostly based on Java. I also had experiences dealing with Black Friday events and being a teacher for the internal trainee program.

  • Legacy service slicing and microservices architecture
  • Messaging systems
  • Cloud architecture (public/private) on AWS, OpenStack, and Mesos/Marathon (Docker)
  • Heavily usage of NoSQLs (Mongo, Riak, Solr e Elastic Search)
Junior Software Developer [2012/2013]

Agile Delivery, maintaining, and adding new features to many customer-facing legacy projects.

  • Working with agile Development with Scrum and Kanban
  • Java/Weblogic as main TechStack. SOA with SOAP Services interactions between Customer Apps and Back Office apps
  • Design Patterns and Enterprise Integration Patterns

Petrobras

Tech Support Trainee [Rio de Janeiro - 2011]

IT Support of Legal department. Working mainly with OS repairs and Hardware maintenance.