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Engineer - Flutter at CloudWalk. Location Information: São Paulo. About CloudWalk:We are not just another fintech unicorn. We are a pack of dreamers, makers, and tech enthusiasts building the future of payments. With millions of happy customers and a hunger for innovation, we're now expanding our neural network - literally and metaphorically.. About the role: This isn't your typical mobile engineering role.You'll be architecting Flutter applications that handle real-world financial transactions at scale, crafting user experiences that need to be both beautiful and bulletproof. Whether you're passionate about state management patterns, obsessed with clean architecture, or skilled in building high-performance cross-platform apps.If you dream in mobile-first solutions and see elegant code as art, this is your canvas.. What You'll Be Doing. . . Build & Ship: Develop, test, and deploy user-facing features in Dart using Flutter, ensuring code reaches millions of users safely and efficiently.. Craft Experiences: Design trustworthy, intuitive user interfaces that make complex financial operations feel effortless for our customers.. Solve & Optimize: Investigate and resolve issues while continuously improving performance and scalability across our mobile ecosystem.. Collaborate & Plan: Participate in feature planning, estimation, and scoping alongside product and design teams to deliver impactful solutions.. Mentor & Learn: Review pull requests, pair program with teammates, and contribute to our engineering culture of continuous improvement.. . What You'll Need To Succeed. . . AI-First Mindset: See AI as an extension of your thinking—fluent with tools like GPT and open-source LLMs, naturally integrating them into workflows to automate and amplify impact.. Flutter Expertise: Have solid experience with mobile app development using Dart and Flutter Framework, with deep understanding of the widget system and lifecycle.. Clean Code Advocate: Live by "Clean Code" principles from Uncle Bob, structuring your code following clean architecture patterns as second nature.. SOLID Foundation: Apply SOLID principles daily, writing maintainable, testable, and scalable code that stands the test of time.. State Management Master: Deep understanding of state control patterns like BloC, MobX, and Provider—knowing when and how to use each effectively.. Testing Champion: Experience developing comprehensive Unit Tests and Integration tests in Flutter to ensure code quality and reliability.. Ship Experience: Successfully developed and deployed Flutter applications to App Store or Google Play, understanding the full mobile release lifecycle.. Design-Tech Bridge: Experience with Firebase tools and design platforms like Figma, Avocode, or Zeplin to seamlessly collaborate with designers.. Native Background: Previous experience with native mobile development (iOS or Android) gives you deeper platform understanding.. Global Communicator: Advanced English proficiency for effective collaboration within our international team environment.. Join us at CloudWalk, where we’re not just engineering solutions; we’re building a smarter, AI-driven future for payments—together.. By applying for this position, your data will be processed as per CloudWalk's Privacy Policy that you can read . here in Portuguese. and . here in English.. .