Mobile Engineer; Flutter - NYC

Position: Flutter Mobile Engineer
Location: New York City (Hybrid – 3x/week in office)
Type: Full-Time
Compensation: $135k – $170k + Equity (0.05% – 0.15%)
Visa: TN visa sponsorship available (no H1B)

We’re looking for a highly skilled Flutter Mobile Engineer to design, develop, and ship new features for a high-growth consumer-facing application across iOS and Android. You’ll work closely with product and design teams to turn requirements into seamless, performant mobile experiences, while optimizing architecture and app performance to support rapid scaling.

• Design, develop, and ship new features for a Flutter-based mobile app on iOS and Android.
• Collaborate with product and design teams to create user-friendly, performant mobile experiences.
• Maintain clean architecture patterns and optimize performance for scalability.
• Write comprehensive tests to ensure quality and reliability.
• Work in a hybrid model, with ~3 days per week onsite in NYC.

• 2–5 years of experience building and shipping Flutter consumer-facing applications.
• Strong proficiency in Dart and deep knowledge of Flutter framework, state management, and reactive programming.
• Experience working in high-growth, early-stage startup environments (Series A–C).
• Familiarity with fintech, trading, or brokerage systems (a plus).
• Experience with RESTful APIs, mobile app architecture, and design systems (Figma).
• Knowledge of Next.js, React, AWS (EKS, S3, Lambda, API Gateway), Firebase, CI/CD pipelines, and A/B testing.
• Fast learner who can ramp up quickly (code in production within the first week).
• Clear communicator and strong collaborator.
• Positive approach to AI tools like Cursor, Git Hub Copilot, and Claude.

• Be part of a well-funded Series A company with $30M in recent funding from top-tier investors.
• Build greenfield systems with no legacy code.
• Work with a stable, high-retention engineering team.
• Hybrid model with an energetic NYC office culture.