João Gabriel

iOS Developer

I'm a software developer with over 10 years of experience, specialized in iOS development with Swift and related technologies. I hold a degree in Systems Analysis and Development and have worked in financial and fintech companies creating reusable and collaborative solutions. I enjoy helping other developers, leading technical discussions, and finding ways to make development easier.

⌨️ JOBS

PicPay

Staff iOS

Design System

October 2023 – Present

Responsible for building the new Design System (DS) from scratch, from conception to production.
Created a dependency inversion structure to ensure safe and controlled use of DS resources.
Developed guardrails using Go, TypeScript, and Ruby to guide proper DS implementation.
Built scripts and dashboards to monitor DS adoption and usage across teams.

SwiftGoTypeScriptRubySDUIBitriseXcodeGen

Staff iOS

Loans

January 2022 – September 2023

Cross-functional support in the Loan BU, assisting multiple squads with architecture, documentation, and pair programming.
Developed a DSL framework using ResultBuilder to standardize actions, analytics, and feedbacks.
Created the Feedback Framework for dynamic user messaging without needing app updates.
Developed SampleKit, an example module to speed up testing and reuse common logic.
Participated in the Buddy program, mentoring and supporting iOS developers.

SwiftGoSDUI

Freelance Projects

Senior iOS

Greenlight Bank

September 2023 – August 2024

Worked on modernization and maintenance of the card customization feature.

Swift

Senior iOS

VidaaS

May 2021 – August 2024

Implemented features for issuing and importing digital certificates.
Integrated In-App Purchase for certificate usage rights.
Created scripts and templates to streamline development of new features.

SwiftInAppPurchase

Flutter

Vesti

2021 – 2022

Developed two clothing sales apps (wholesale and retail).
Used MVVM architecture.
Integrated native functionalities of iOS and Android.

FlutterDartSwiftAndroidObjective-C

Cornershop by Uber

Senior iOS

Chat - Order

2021 – 2022

Integrated push notifications.
Developed Timeline (post-sales chat flow) features.
Refactored Timeline from Objective-C to Swift using MVVM architecture.
Migrated legacy Objective-C screens to Swift.

SwiftObjective-CTuistCircleCI

XP Inc.

Senior iOS

Home

2020 – 2021

Developed the Investments screen with detailed information per asset.
Created a Banner Framework for marketing campaigns.
Integrated multiple modules in the main application.
Evaluated new product development and monitored code quality.

SwiftC#Azure DevOpsXcodeGen

Itaú

Senior iOS

Maintenance

2019 – 2020

Maintained and ensured stability of apps like Itaú PF, Itaucard, Itaú Empresas, and ITI.

Swift

Santander

Mid-level iOS

Globile Santander Project

2018 – 2019

Worked on global project with Santander Spain.
Developed Apple Watch components.

SwiftObjective-CApple Watch

Mid-level iOS

System Team - Maintenance - Santander ID

2017 – 2018

Created a security framework.
Evaluated new products and monitored development quality.

SwiftObjective-C

Concrete Solutions

Mid-level iOS

Itaú

2016 – 2017

Worked on new products for Itaú Bank.
Ensured code quality.

Swift

Resource IT Solutions

Junior iOS

Santander

2015 – 2016

Developed and maintained the Santander app.

Objective-C

Iterative

Junior iOS

Ticket Apps

2014 – 2015

Developed multiple apps using Objective-C.

Objective-C

📚 EDUCATION

Presbyterian University Mackenzie

Systems Analysis and Development

São Paulo, Brazil 2013 – 2017

Technologist degree focused on programming and system architecture.

Programming fundamentals

Impacta Technology School

iOS Development

São Paulo, Brazil 2013 – 2014

Technical training in iOS development

Objective-C

Impacta Technology School

Android Development

São Paulo, Brazil 2015 – 2016

Technical training in Android development

Java

⚙️ PROJECTS

KettleGym

Gym app where users can create and track their workouts and evolution.