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Tiago Marques Nunes

@tiagomarquesnunes

I am a Senior Android Developer specializing in modular architecture and test automation.

Brazil
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What I'm looking for

I seek a collaborative, agile team where I can lead Android architecture, drive test automation, mentor developers, and build scalable, high-performance mobile products for global users.

I am a Senior Android Developer with over six years building high-impact mobile apps across finance, retail and innovation sectors. At PayPal I work on a globally-used payments app reaching 400 million users and previously led architectural and modularization efforts for a SuperApp with 100M downloads.

I focus on modular architectures, test automation, performance optimization, clean code and mentoring junior developers, thriving in Agile, cross-functional teams that value quality, scalability and accessibility.

Experience

Work history, roles, and key accomplishments

PayPal logoPA
Current

Senior Android Developer

PayPal

Jul 2024 - Present (1 year 1 month)

Working on a globally-used payments app with over 400 million users, focusing on native Android development and test automation within a modular codebase and Server Driven UI flows.

Magazine Luiza logoML

Senior Android Developer

Magazine Luiza

Jan 2023 - Jun 2024 (1 year 5 months)

Led architectural improvements, modularization and dependency injection in the Magalu SuperApp (100M+ downloads), mentored engineers and improved test coverage and release processes.

NTT Data logoND

Senior Android Developer

NTT Data

May 2021 - Jan 2023 (1 year 8 months)

Contributed to a major banking app (Bradesco) focusing on performance, security and modularization, delivering refactors, componentization and release management to improve stability.

CPQD logoCP

Android Developer

CPQD

Nov 2020 - May 2021 (6 months)

Built a native Android framework in Kotlin by porting from Xamarin, integrated blockchain-based identity validation and configured native C++ access via the NDK to improve reusability and performance.

Zup Innovation logoZI

Android Developer

Zup Innovation

Dec 2019 - Nov 2020 (11 months)

Contributed to the Beagle Server Driven UI framework, improved automation pipelines (Bitrise → GitHub Actions/Fastlane) and delivered accessible apps for visually impaired users while mentoring colleagues.

Zup Innovation logoZI

Android Developer Intern

Zup Innovation

Aug 2018 - Dec 2019 (1 year 4 months)

Built an Android app from scratch using the TMDB API with offline Room support, applying SOLID principles and learning Java/Kotlin and Agile practices under senior mentorship.

Federal University of Uberlândia logoFU

Academic Developer

Federal University of Uberlândia

Jan 2016 - Aug 2018 (2 years 7 months)

Participated in academic projects focused on algorithms, data structures and structured programming, strengthening problem-solving and collaborative development skills.

Education

Degrees, certifications, and relevant coursework

IC

Instituto Federal do Triângulo Mineiro - CENID/RI

Advanced English Course, English

2019 -

Completed Advanced English Course I and II focused on professional communication in technical and corporate environments, achieving Full Professional proficiency.

IM

Instituto Federal do Triângulo Mineiro

Bachelor's Degree, Internet Systems Technology

2018 - 2023

Completed a Bachelor's Degree in Internet Systems Technology focused on web and mobile systems development, covering programming fundamentals, databases, networking, and software engineering.

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Tiago Marques Nunes - Senior Android Developer - PayPal | Himalayas