# Regis Kian > Senior Mobile Developer | iOS | Flutter | Performative and Scalable apps Location: Schenectady, New York, United States Profile: https://flows.cv/regiskian I am a Staff Mobile Engineer focused on building high-scale architectures for Flutter and iOS (Swift). Over the last 5+ years, I’ve specialized in bridging the gap between native and cross-platform ecosystems, especially in complex environments like Itaú (15M+ users). My work goes beyond coding: I design modular systems, lead CI/CD automation, and implement Clean Architecture to turn legacy codebases into scalable products. I focus on resolving complex technical bottlenecks, with a track record that includes mitigating high-impact production losses and scaling mobile engineering practices for teams of over 1,000 developers. CORE TECH STACK Flutter (Dart) | iOS (Swift/UIKit/SwiftUI) | Android (Kotlin) | TypeScript ARCHITECTURE & STRATEGY Clean Architecture | DDD | Modularization | Micro Front-ends | System Design OPS & TOOLING GitHub Actions | Bitrise | Harness | Storybook | Widgetbook | Firebase MLKit LEADERSHIP & DX Technical Mentoring | Strategic Architecture Decisions | Developer Experience (DX) Bilingual (English/Portuguese) and experienced in leading technical excellence within global teams. ## Work Experience ### Senior Software Engineer @ Jahnel Group, an Inc. 5000 company Jan 2025 – Present | Schenectady, New York, United States Planning and building an entire Flutter Design System and Shared Components library for a global company. ### Software Engineer | Marketplace & Loyalty @ Banco Itaú Jan 2022 – Jan 2025 | Uberaba, Minas Gerais, Brazil ● Developed and maintained iOS modules for the super app PF and Itau Cartões, creating new features to enhance user experience and functionality. ● Laid the foundation for the Itaú Shop app and approved Flutter as a technology at Itaú, ensuring stability during 3 Black Fridays, significantly enhancing product quality and customer satisfaction. ● Met tight deadlines, refactored legacy code to Clean Architecture, and increased test coverage from 0% to 60%, drastically reducing bugs in production by 70% in the following quarter. Flutter, Swift, UIKit, SwiftUI, GitHub Actions, CI/CD pipelines. ### Staff Software Engineer| Itau iupp @ Zup Innovation Jan 2022 – Jan 2022 | Uberaba, Minas Gerais, Brazil Participated in Itaú Shop's early stage conception ideas. ### Native iOS Developer | Itau iupp @ Zup Innovation Jan 2021 – Jan 2022 | Uberaba, Minas Gerais, Brazil Led the iOS team to enhance a credit card point marketplace solution by developing a crucial Swift authentication module for seamless Itau app integration, ensuring team cooperation, product quality, and effective crisis management. Reduced onboarding loss from over 75% to less than 5% enabling a huge GMV raise to Iupp, showcasing leadership and adaptability ### Senior Software Engineer | Itau iupp @ Zup Innovation Jan 2021 – Jan 2021 | Uberaba, Minas Gerais, Brasil Initiated a Flutter micro front-end architecture app for IUPP as an MVP. ### Software Architect and Developer @ Ideagri S.A. Jan 2020 – Jan 2021 | Uberaba, Minas Gerais, Brazil ● Built a Flutter offline-first app from the ground up in under 3 months, modernizing the company's software from a desktop version to an Android and iOS app leading to a 50% increase in user adoption. SQLite, GetX, Dio, DDD (Domain-Driven Design), Clean Architecture. ● Applied Domain-Driven Design (DDD) and Clean Architecture concepts to the frontend, enhancing the structure and maintainability of the codebase. ● Implemented state management with GetX, simplifying the architecture and boosting development. ### Flutter Developer @ Finchain Jan 2020 – Jan 2021 ● Built and maintained the app's first architectures using HTTP, GetX, MobX, Firebase, CI/CD and caching, enhancing the foundation for future development and decreasing load times by 40%. ● Enhanced product quality and scalability by implementing design architectural patterns, impacting over 10k clients with weekly updates and ensuring continuous improvement, satisfaction and exhibiting a strong work ethic and commitment. ## Education ### Bachelor's degree in Computer Engineering Univesp Oficial Jan 2022 – Jan 2026 ### Bacharelado em Engenharia in Engenharia de Computação Instituto Federal de Educação, Ciência e Tecnologia do Triângulo Mineiro Jan 2017 – Jan 2022 ### Bacharelado em Engenharia in Engenharia de Transportes Centro Federal de Educação Tecnológica de Minas Gerais Jan 2016 – Jan 2017 ## Contact & Social - LinkedIn: https://linkedin.com/in/regis-kian --- Source: https://flows.cv/regiskian JSON Resume: https://flows.cv/regiskian/resume.json Last updated: 2026-04-01