Position: Staff Engineer - L5 (Flutter)About VajroVajro is a SaaS startup revolutionizing how modern e-commerce brands connect with their customers through mobile-first experiences. We empower thousands of e-commerce brands worldwide with our app builder, enhanced by cutting-edge social commerce, customer retention analytics, and community engagement tools that transform mobile presence from afterthought to loyalty driver.We create a comprehensive ecosystem where brands don't just build mobile apps, they build relationships with their customers.The OpportunityWe're looking for a Staff Flutter Engineer who will lead our mobile platform initiatives and drive the technical vision for Flutter development across our entire product suite. You'll be responsible for architecting a scalable Flutter platform that powers thousands of dynamically rendered mobile apps, while staying at the forefront of Flutter ecosystem advancements and incorporating cutting-edge developments into enterprise-ready solutions.This is a senior technical leadership role where you'll shape the future of mobile engineering, mentor engineering teams, and solve complex architectural challenges.What You'll BuildFlutter Platform Architecture● Architect scalable Flutter frameworks that support thousands of dynamically generated mobile apps with unique branding and functionality● Design modular component systems and widget libraries that enable rapid app customization while maintaining performance standards● Build advanced widget generation systems that transform visual markups into enterprise-grade Flutter applications● Develop sophisticated state management solutions that handle complex e-commerce workflows and real-time data synchronization● Create performance optimization frameworks that ensure consistent app performance across diverse device capabilities and network conditionsAdvanced Mobile Features● Implement cutting-edge Flutter capabilities, including custom render objects, remote widgets, platform channels, and native integrations● Build real-time social commerce features like live streaming, interactive shopping, and community engagement systems● Develop advanced personalization engines that deliver dynamic content and tailored user experiences● Create sophisticated offline-first architectures with intelligent data synchronization and conflict resolution● Design push notification systems, deep linking frameworks, and seamless app-to-app communication patternsPlatform Engineering Excellence● Lead the adoption of the latest Flutter developments, evaluating and integrating new packages, features, tools, and architectural patterns● Build comprehensive testing frameworks, CI/CD pipelines, and automated quality assurance systems for Flutter applications● Create developer tools, debugging utilities, and productivity enhancements that accelerate team velocity● Establish performance monitoring, crash reporting, and analytics systems that provide actionable insights across thousands of appsCross-Platform Integration● Architect seamless integration layers between Flutter apps and backend APIs, ensuring optimal data flow and caching strategies● Build platform-specific optimizations for iOS and Android while maintaining code reusability and consistency● Develop sophisticated analytics and tracking systems that provide detailed insights into user behavior and app performanceWhat We're Looking ForMobile Development Mastery● 10+ years of mobile development experience with deep expertise across iOS, Android, and cross-platform technologies● 4+ years of Flutter development with a proven track record of building and scaling production Flutter applications● Platform architecture experience, including designing scalable mobile frameworks, component libraries, and development tools● Advanced Dart programming with expertise in async programming, memory management, and performance optimization● Native mobile integration experience with platform channels, native modules, and seamless iOS/Android interoperabilityFlutter Ecosystem Expertise● State management mastery across multiple solutions (Provider, Riverpod, Bloc, GetX) with the ability to architect scalable state solutions● Custom widget development, including custom painters, remote widgets, render objects, and complex UI components● Flutter architecture patterns with a deep understanding of clean architecture, MVVM, and scalable app organization● Performance optimization, including widget rebuilds, memory management, and app size optimization techniquesPlatform Engineering Skills● No-code platform development with visual app builders, drag-and-drop interfaces, or configuration-driven UI generation● Developer tooling experience creating productivity tools, debugging utilities, and development workflow improvements● CI/CD expertise with Flutter-specific build pipelines, automated testing, and deployment strategies● Multi-tenant architecture understanding of building platforms that serve thousands of customized applications● Testing excellence including unit testing, widget testing, integration testing, and automated quality assuranceTechnical Leadership● Cross-platform expertise with deep understanding of mobile platform differences and optimization strategies● Security implementation with experience in app security, data encryption, and compliance requirements● Performance monitoring using tools like Firebase Performance, Crashlytics, and custom analytics implementationsGood To HaveSpecialized Experience● Mobile commerce experiences — from cart/checkout and secure payments to dynamic catalogs, social selling, and data-driven analytics.● Live streaming technology with experience in video streaming, real-time interaction, and social commerce features● E-commerce platform expertise with deep knowledge of Shopify, WooCommerce, and major e-commerce APIs● Social features development including chat systems, community building, and user-generated content platforms● Machine learning integration for personalization, recommendation systems, or intelligent app featuresAdvanced Technical Skills● Flutter Web/Desktop development with experience in expanding Flutter beyond mobile platforms● DevOps and infrastructure with experience in mobile app deployment, monitoring, and maintenance at scale● Open source contributions to Flutter packages, core framework, or mobile development toolsWhy Join Us?● Our Culture: We are a 50-member team that loves to play just as hard as we work.● Unlimited Leaves: Your paid time off has no limit. Our only ask is for you to take accountability for your work.● Health Insurance: 1+5 family health insurance with up to 5L coverage. Additional floater plans are available for low rates.● Ownership: At Vajro, we look for people who don't just do the work, but own it end to end. You see an idea through, you stand by it—that's the kind of spirit we admire.● Role Scalability: We're driven by solving problems that can help us empower the e-commerce domain. That means listening closely, spotting the real pain points, and building experiences that bring an impactful and positive experience to our customers.● Globally Spread Team: You will have the opportunity to travel overseas and work for Vajro globally.● Employee-Friendly Salary Structure: We have built a salary structure that will help you save on your taxes. Allowances for food, fuel, gym, HRA, etc., will make your life a whole lot easier when it comes to ITRs.