Marcos V.

Marcos V.

Senior iOS Developer

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.

Work history

UpStack
UpStack
Senior iOS Developer
2022 - Present (2 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 (3 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.

Portfolio

Senior iOS Developer - Inter Bank App
Senior iOS Developer - Inter Bank App

Worked on delivering new solutions to enhance the quality and maintainability of the Inter app - introducing BUCK to solve and improve the clean build time from 22 minutes to 8 minutes.

iOS Developer - DragonFly app
iOS Developer - DragonFly app

Designed and implemented the Dragon iOS app for CI&T to help users recognize images in real-time - providing first-hand proof of the abilities of machine learning using Tensorflow. Built the app in Objective C and handled some manipulation on images using C++.

iOS Developer - BlackRock App
iOS Developer - BlackRock App

Built and deployed an internal iPad app to help BlackRock's advisors show how some ETFs and Futures perform and sell those ETFs to clients. Designed and delivered the app architecture and other solutions - leading the dev team to execute unit and UI tests on the project.

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)