Senior Software Engineer - React Native - Consumer

Accountabilities: Build and deliver high-quality mobile experiences: Develop, maintain, and optimize production-ready mobile applications using React Native, ensuring intuitive interactions, responsive performance, and a consistent user experience. Own features from discovery to launch: Take responsibility for the entire product development lifecycle, from identifying customer problems and defining technical solutions to implementation, release, measurement, and iteration. Collaborate on product strategy: Partner with product managers and designers early in the development process to understand customer needs, challenge assumptions, refine requirements, and propose effective solutions. Develop data-driven experiences: Integrate APIs and real-time data into mobile interfaces, making informed decisions about state management, rendering, application architecture, and performance. Drive measurable product improvements: Use customer feedback, behavioral insights, metrics, and experimentation to evaluate feature effectiveness and continuously improve customer journeys. Maintain engineering excellence: Contribute to architectural decisions, code reviews, technical discussions, and engineering standards that improve application quality, security, reliability, and maintainability. Leverage AI-assisted development: Use AI-powered engineering tools to accelerate implementation, exploration, and debugging while maintaining responsibility for code quality and technical decisions. Promote cross-functional ownership: Work effectively across engineering, product, and design disciplines, helping the team deliver meaningful customer outcomes rather than simply completing predefined tasks. Requirements Professional experience: Demonstrated experience building and shipping production applications with React Native, including the ability to make sound architectural and implementation decisions in a modern mobile codebase. Product-oriented engineering: A strong product mindset, with the ability to understand customer problems, challenge requirements constructively, and translate ambiguous needs into effective technical solutions. End-to-end ownership: Experience taking features through discovery, technical design, development, launch, performance evaluation, and ongoing improvement. Technical expertise: Strong knowledge of mobile application development, API integrations, dynamic or real-time data, state management, rendering, performance optimization, and software architecture. Analytical thinking: Ability to use product metrics, experimentation, and customer behavior to assess the impact of engineering decisions and identify opportunities for improvement. Cross-functional collaboration: Strong communication and collaboration skills, with the ability to work closely with product managers and designers and contribute to shared decisions. English proficiency: Effective written and verbal English communication skills for collaboration within a globally distributed, remote-first team. AI proficiency: Familiarity with AI-assisted development tools such as Cursor, GitHub Copilot, or Claude, with the judgment to use them responsibly while retaining ownership of implementation quality. Adaptability and initiative: A proactive, versatile approach to problem-solving, comfort with loosely defined challenges, and the ability to work independently while collaborating across technical boundaries. Nice to have: Experience in fintech, cryptocurrency, trading, payments, or other financial technology environments. Knowledge of financial products, investing, trading workflows, or customer needs in digital financial services. Experience building applications that rely on streaming or rapidly changing data. Familiarity with web development or broader frontend engineering in addition to mobile development. Experience working in startups or smaller technology teams with close product and design collaboration. Native mobile development experience with Swift or Kotlin and an understanding of when native implementation is appropriate. A track record of improving mobile application performance, responsiveness, and reliability across different devices. Demonstrated success translating ambiguous product challenges into shipped features with measurable customer impact. Benefits Remote work: Work remotely from Brazil as part of an internationally distributed team. Meaningful product impact: Contribute to mobile financial experiences used by millions of customers worldwide. Technical ownership: Take responsibility for important product features and influence architectural and engineering decisions. Cross-functional collaboration: Work closely with engineering, product, and design professionals to shape products from concept to launch. Continuous innovation: Explore modern mobile technologies and AI-assisted development practices to improve engineering productivity. Professional growth: Develop your technical leadership, product judgment, and end-to-end engineering capabilities in a high-impact environment. Inclusive culture: Join a team that values diverse backgrounds, perspectives, and skills, with hiring focused on professional merit and relevant capabilities.