Mobile Flutter Engineer (NYC, Hybrid)

Were looking for a high-velocity Flutter Engineer to join our fast-growing NYC-based team and help shape the future of our consumer fintech product. As a core contributor, youll build beautiful, high-performance mobile experiences that are shipped to users weekly. This is a hybrid role requiring ~3 days/week in our NYC FiDi office.

What You'll Do

• Design, build, and ship robust Flutter apps used by real customers
• Architect scalable, reactive mobile systems with clean state management
• Collaborate with design teams using Figma and modern component libraries
• Integrate mobile apps with RESTful APIs and cloud-native backends
• Drive rapid iteration through A/B testing, CI/CD pipelines, and analytics
• Contribute from day oneproduction code expected within your first week

What Were Looking For

• 25 years of experience building and shipping Flutter consumer apps
• Deep understanding of Dart, Flutter internals, and reactive programming
• Strong grasp of mobile app architecture, design systems, and API integration
• Experience working in high-growth, early-stage startups (Series AC)
• Familiarity with AWS (EKS, S3, Lambda, API Gateway), Firebase, CI/CD
• Bonus: exposure to fintech, trading, or brokerage systems
• Bonus: experience with Next.js or React

You Should Also Be

• A clear communicator of technical concepts and tradeoffs
• A fast learner who thrives in product-first environments
• Based in NYC and excited to collaborate in-office 3+ days/week
• Comfortable using AI-assisted tools like Cursor, GitHub Copilot, or Claude

Who This Role Isnt For

• Candidates with a pattern of multiple short (<1 year) tenures
• Engineers with primarily large corporate or financial services experience
• Those motivated more by title than technical impact