Mobile Developer with 6+ years of experience across Flutter, Swift, and back-end development. Proven ability to lead and deliver high-impact projects, including migrating GeraIdo App from native Android to Flutter to expand to iOS, and implementing advanced features with regulatory compliance for PIX payments in Brazil. Currently responsible for implementing advanced features for the Pic Pay PIX payments app (PIX and Credit Cards), ensuring Central Bank regulatory compliance. Experienced in API integrations, Firebase, and analytics, with strong leadership, agile planning, and delivery of stable, scalable mobile solutions.

Yhan Nunes

Mobile Developer with 6+ years of experience across Flutter, Swift, and back-end development. Proven ability to lead and deliver high-impact projects, including migrating GeraIdo App from native Android to Flutter to expand to iOS, and implementing advanced features with regulatory compliance for PIX payments in Brazil. Currently responsible for implementing advanced features for the Pic Pay PIX payments app (PIX and Credit Cards), ensuring Central Bank regulatory compliance. Experienced in API integrations, Firebase, and analytics, with strong leadership, agile planning, and delivery of stable, scalable mobile solutions.

Available to hire

Mobile Developer with 6+ years of experience across Flutter, Swift, and back-end development. Proven ability to lead and deliver high-impact projects, including migrating GeraIdo App from native Android to Flutter to expand to iOS, and implementing advanced features with regulatory compliance for PIX payments in Brazil.

Currently responsible for implementing advanced features for the Pic Pay PIX payments app (PIX and Credit Cards), ensuring Central Bank regulatory compliance. Experienced in API integrations, Firebase, and analytics, with strong leadership, agile planning, and delivery of stable, scalable mobile solutions.

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Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate

Language

Portuguese
Fluent
English
Fluent

Work Experience

Tech Lead Mobile (Android, iOS) at Pic Pay
September 1, 2024 - Present
Responsible for the PIX mobile area, developing new features and ensuring compliance with Brazil’s Central Bank regulations using Swift and integrations with multiple microservices. Implemented PIX single-field functionality for automatic key-type identification and dynamic information filling, improving user experience while maintaining regulatory compliance. Completed development of PIX scheduling features to allow greater flexibility for corporate users, integrated with feature flags for controlled releases and analytics metric collection. Worked on card registration in the company app, optimizing input flow and improving security. Implemented invoice payments functionality using registered cards, expanding available payment options for business users.
Tech Lead and iOS Developer at Aiqfome (Magalu Group)
January 1, 2022 - August 1, 2024
Promoted from Flutter Developer at Tonolucro to Flutter Tech Lead at Aiqfome, where led development of the Geraldo App (a management application for retail and restaurants) from concept to public release, reaching 60,000+ active users. Migrated the app from native Android to Flutter to expand to iOS users and optimize development time by unifying the codebase. Coordinated refinements, feedback, and task distribution in the development team, promoting organized agile delivery. Implemented key functionalities such as store registration, earnings management, order acceptance, store opening, and delivery perimeter definition. Redesigned the old native Android Geraldo App into the Raimundo App focused on managing cities within the delivery platform. After Geraldo, worked as iOS Developer on Aiqfome’s official app supporting the D+ subscription plan, expanding service offerings and increasing customer retention (2M+ users).
Flutter Developer and React Native Support at Tonolucro (Magalu Group)
July 1, 2021 - September 1, 2022
Developed Tonolucro delivery drivers app, a real-time application integrated with Firebase enabling 6,000+ drivers in North, Northeast, and Midwest regions to view and accept orders, record payments, and track earnings. Supported the launch of the delivery drivers app, including metrics collection and direct support to resolve user-reported issues. Implemented registration, availability status, and earnings tracking functionalities to improve drivers’ workflow efficiency. Collaborated on transitioning Tonolucro customer app from Cordova to React Native, addressing critical logout issues during updates by building a communication bridge between native layers and React Native while maintaining 100,000+ authenticated users and avoiding significant financial losses. Implemented error monitoring and log collection with Firebase Crashlytics, identifying and resolving critical usability issues, resulting in a 40% reduction in user-reported failures.
Flutter Developer at Calm Experts
February 1, 2021 - May 1, 2021
Developed a custom Flutter back-end framework for Shelf-based integrations with Firebase for internal applications. Designed and implemented a Flutter app for DJs integrating with sound mixers to provide real-time control of lighting volume and other essential features. Collaborated with international teams, improving communication and adaptability skills while delivering solutions tailored to the Canadian market.
Full Stack Developer at Dix BPO
January 1, 2020 - January 1, 2021
Worked as a back-end developer on multiple projects including cattle auction systems, health clinic management, farm planting registration, and real estate rental platforms using Laravel and Node.js. Took responsibility for managing production deployments to ensure stability and availability after implementing new features. Started mobile development with Flutter during team restructuring, contributing to continuity of the company’s strategic projects across both backend and mobile. Collaborated in multidisciplinary teams to quickly understand and adapt to changing project contexts, ensuring deliveries and documentation.

Education

Postgraduate Lato Sensu in Mobile Development at Unyleya
October 1, 2023 - June 1, 2024
Postgraduate Lato Sensu in Artificial Intelligence and Data Analysis at PUC, Minas Gerais
August 1, 2024 - February 1, 2026
Bachelor's Degree in Information Systems at Universidade Estadual do Tocantins
January 1, 2019 - December 1, 2022

Qualifications

EF SET English Certificate (C1 Proficient)
January 1, 2023 - July 24, 2026
Small Talk English Speaking Level Test - SmallTalk 2Me
April 1, 2024 - July 24, 2026
UML Data Modeling (Udem y)
June 1, 2020 - July 24, 2026

Industry Experience

Software & Internet, Financial Services, Computers & Electronics

Experience Level

Expert
Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
Intermediate
Intermediate

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