React & Flutter Engineer for Scalable Web & Mobile Apps

Incognito Inventions; United States; On-site; USD 90,000 - 150,000; Full time

Job summary

Incognito Inventions is seeking a React/Flutter Developer to build scalable web and mobile applications with a clean architecture and performance-first mindset. You will handle frontend engineering, API integrations, state management and production deployment for ecommerce or SaaS platforms.

You should be adept at translating designs into responsive UIs, optimizing performance, and collaborating with backend teams on API structure, payments, real-time features, and publishing to app stores.

Qualifications

• Experience building scalable frontend applications in React or Flutter.
• Strong understanding of API integrations, state management, and performance optimization.
• Experience deploying web/mobile apps to production environments.
• Familiarity with ecommerce or SaaS platforms is a plus.

Responsibilities

• Build scalable frontend applications using React and/or Flutter.
• Convert designs (Figma/Adobe XD) into responsive interfaces.
• Optimize performance and SEO where applicable, including SSR considerations.
• Integrate REST APIs and third-party SDKs; work with backend team on API structure.
• Handle app performance, debugging, and publish processes (Play Store & App Store).
• Work on headless ecommerce features and advanced capabilities as needed.

Skills

Frontend engineering

API integrations

State management

Performance optimization

Production deployment

Tools

Next.js

Redux

REST API integration

Dart

Firebase

Payment gateway SDKs

Play Store / App Store publishing

Job description

Incognito Inventions is seeking a React/Flutter Developer to build scalable web and mobile applications with a clean architecture and performance-first mindset. You will handle frontend engineering, API integrations, state management and production deployment for ecommerce or SaaS platforms.

You should be adept at translating designs into responsive UIs, optimizing performance, and collaborating with backend teams on API structure, payments, real-time features, and publishing to app stores.