Marcos V.

Marcos V.

Belo Horizonte, Brazil
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About Me

Marcos is a Senior iOS Developer with 7+ years of experience in the fundamentals of object-oriented design, data structures, dependency injection, testable code, and algorithms - using the latest iOS SDK and iOS-standard frameworks. He elevates clean, well-written code into the development and production environments on schedule - providing follow-up production support and adhering to established engineering best practices, design guidelines, and principles.

Frontend

DevOps

Other

Work history

UpStack
UpStack
Senior iOS Developer
2022 - Present (3 years)
Remote
  • Creating and developing innovative iOS-based solutions for clients across a broad range of industries.

  • Participate in scrums consisting of cross-functional teams, both software and hardware.

  • Ensure that features are being delivered efficiently and on-time.

PayPal
PayPal
Senior iOS Developer
2021 - Present (4 years)
Remote
  • Architect, build, document, and debug native iOS solutions on the PayPalCheckout SDK.

  • Designed and developed new solutions to improve the accessibility of views and components.

  • Executed A/B tests, refactored the smart payment button and removed 80% of warnings and errors on the framework.

Thoughtworks
Thoughtworks
Senior iOS Developer
2021 - 2021
Remote
  • Provided new solutions to enhance the general functionality and performance of apps for Thoughtworks.

  • Refactored solutions on the menu module into an agnostic, plug-and-play solution and eliminated unused 3rd-party dependencies.

  • Implemented a mock schema on the app and fixed complex bugs in production on the menu and login modules.

Banco Inter
Banco Inter
Senior iOS Developer
2020 - 2021 (1 year)
Belo Horizonte, Brazil
  • Deployed buck across all modules to improve the build time by 40% and refactored the facial recognition module to enhance performance.

  • Actively participated in processes to deliver enhancements on the app - setting up SwiftLint for all modules.

  • Performed code reviews and ensured the team produced maintainable, performant, and secure software for the app.

CI&T
CI&T
Senior iOS Developer
2015 - 2020 (5 years)
Belo Horizonte, Brazil
  • Designed and implemented use cases related to timezone changes, implemented complex charts and executed tests on the app.

  • Developed and implemented a financial website integrated with complex charts and financial calculations to improve user experience.

  • Modified and configured complex iOS-based applications and systems as specified in the requirements and technical design document.

Group Software
Group Software
Frontend Developer
2015 - 2015
Belo Horizonte, Brazil
  • Designed and translated responsive mockups into polished frontend experiences on multiple web apps for clients.

  • Wrote and deployed clean, consolidated and scalable frontend code on projects.

  • Stayed abreast and utilized new frontend tools to enhance the usability of online user experience on solutions.

MG Info
MG Info
BI Developer
2014 - 2015 (1 year)
Belo Horizonte, Brazil
  • Designed, maintained, and administered Business Intelligence solutions within MG Info.

  • Identified, researched, and resolved technical and data problems on the project.

  • Maintained, supported, and enhanced the business intelligence data backend on solutions.

RKR Publicidade e Sistemas
RKR Publicidade e Sistemas
Frontend Developer
2012 - 2012
Belo Horizonte, Brazil
  • Developed and implemented new software solutions and recommended improvements for functionality and optimization.

  • Worked on root cause analysis of software issues and identified ideas to improve performance and impact availability.

  • Provided ongoing support of applications, script development and maintenance tasks.

Showcase

Senior iOS Developer - Inter Bank App
Senior iOS Developer - Inter Bank App
  • Introduced BUCK to optimize clean build time from 22 minutes to 8 minutes.

  • Focused on enhancing the quality and maintainability of the Inter app.

  • Implemented a solution to improve the efficiency of the build process.

iOS Developer - DragonFly app
iOS Developer - DragonFly app
  • Developed a real-time image recognition app for CI&T's DragoniOS project using Tensorflow.

  • Implemented the app in Objective C and utilized C++ for image manipulation.

  • Focused on providing first-hand proof of machine learning capabilities through real-time image recognition.

iOS Developer - BlackRock App
iOS Developer - BlackRock App
  • Developed and deployed an internal iPad app for BlackRock advisors to visualize ETF and Futures performance and facilitate client sales.

  • Designed and delivered the app architecture and other solutions, leading the development team through unit and UI testing.

  • Focused on executing unit and UI tests to ensure the app's functionality and quality.

Education

MongoDB for Node.js Developers
MongoDB for Node.js Developers
MongoDB
2015 - 2015
Objective C / iOS Full Course
Objective C / iOS Full Course
Academia Digital CI&T
2015 - 2015
B.Eng Computer Engineering
B.Eng Computer Engineering
Centro Universitário UNA
2010 - 2016 (6 years)