Senior Flutter Developer

<h3>Accountabilities</h3><li>Lead the end-to-end development, technical design, and architecture of high-performance Flutter mobile applications for e-commerce and retail platforms.</li><li>Contribute to architectural planning and technical decision-making while establishing coding standards, conducting structured code reviews, and mentoring junior and mid-level developers.</li><li>Integrate mobile applications with headless CMS platforms, e-commerce backends, and other services through RESTful APIs and GraphQL.</li><li>Implement and maintain GraphQL federation patterns, including Apollo Client, to optimize data fetching, schema integration, and application state management.</li><li>Build responsive, scalable, and high-performing user interfaces that deliver consistent experiences across a wide range of iOS and Android devices.</li><li>Collaborate with backend engineers to improve API interactions, streamline data flows, and maintain state consistency across the application.</li><li>Implement secure authentication, end-to-end data encryption, and reliable payment processing workflows in accordance with mobile security best practices and applicable payment security standards.</li><li>Establish and maintain CI/CD pipelines, automated testing frameworks, and continuous delivery practices to improve development efficiency and software quality.</li><li>Monitor application performance, analyze relevant metrics, identify bottlenecks, and implement ongoing optimizations to enhance stability and responsiveness.</li><li>Work closely with U.S.-based stakeholders and engineering leadership to align technical solutions with business objectives and deliver impactful product improvements.</li><h2>Requirements</h2><li>Proven professional experience in software development, with demonstrated expertise as a Senior Mobile Developer specializing in Flutter.</li><li>Strong hands-on experience with Apollo GraphQL, federated schemas, and modern API integration patterns, including REST and GraphQL.</li><li>Deep knowledge of Flutter state management solutions, such as BLoC, Riverpod, or Provider.</li><li>Demonstrated experience integrating mobile applications with e-commerce backends, headless CMS platforms, and payment gateways.</li><li>Strong understanding of mobile application security, including secure authentication, data encryption, payment integrations, and PCI-related compliance requirements.</li><li>Solid experience designing and maintaining CI/CD pipelines and implementing automated testing strategies for mobile applications.</li><li>Advanced or fluent English proficiency, both written and spoken, with excellent communication skills for direct collaboration with U.S.-based stakeholders.</li><li>Availability to work in alignment with the Central Standard Time (CST) time zone while based in Latin America.</li><li>Strong analytical and problem-solving abilities, attention to detail, and a proactive approach to technical challenges.</li><li>Excellent collaboration and communication skills, with the ability to work independently, contribute to architectural discussions, and support the development of other engineers.</li><h2>Nice to have:</h2><li>Previous experience developing or maintaining large-scale retail or e-commerce platforms.</li><li>Familiarity with native iOS development using Swift or Android development using Kotlin, particularly for implementing custom native plugins.</li><li>Experience with application performance monitoring and crash analytics tools, such as Firebase or Sentry.</li><li>A bachelor's degree in Computer Science, Software Engineering, or a related technical field.</li><h2>Benefits</h2><li>Competitive compensation in USD.</li><li>100% remote work from anywhere in Latin America.</li><li>Full-time, long-term contractor engagement.</li><li>Opportunity to collaborate directly with U.S.-based engineering leadership.</li><li>Exposure to high-impact e-commerce and retail technology platforms.</li><li>High levels of autonomy and flexibility in a collaborative, technology-driven environment.</li><li>Opportunities to contribute to architectural decisions, technical innovation, and engineering best practices.</li><li>An inclusive and diverse workplace that supports professional development and growth.</li>