• Full Time Flutter Jobs
  • New York
  • 100 - 100
Harnham


Overview


Senior Mobile Engineer (Flutter) at Harnham, New York City. FinTech startup building a next-generation investment platform enabling real-time discovery and replication of high-performing trading strategies. Hybrid role based in NYC with three in-office days per week. Base pay range: $150,000.00/yr – $170,000.00/yr + equity.

Responsibilities

  • Design, develop, and ship features in the Flutter app for iOS and Android
  • Collaborate with design and product teams to create performant, intuitive user experiences
  • Optimize app performance and maintain scalable architecture patterns
  • Write clean, testable code and participate in code reviews
  • Monitor analytics and crash reports to identify and resolve production issues
  • Contribute to infrastructure decisions, including CI/CD, testing, and release workflows
  • Assist with future web development efforts (Next.js) as needed

Requirements

  • Experience in mobile development with Flutter and Dart
  • Proven track record of deploying apps to iOS and Android app stores
  • Strong knowledge of mobile architecture, RESTful APIs, and reactive programming
  • Familiarity with Figma and modern UI/UX design systems
  • Exposure to Next.js and React is a plus
  • Experience with Firebase, CI/CD, and A/B testing in production
  • AWS experience (EKS, S3, Lambda, API Gateway) preferred
  • Startup experience valued; big tech backgrounds less preferred
  • Bachelor’s degree in Computer Science or related field preferred

Compensation & Benefits

Base salary of $150,000 – $170,000 plus equity. Comprehensive benefits include health, dental, vision, and 401(k).

How to Apply

Please express your interest by submitting your resume via the Apply link on this page.


Keywords

Mobile Engineering, Flutter, Dart, iOS, Android, Firebase, CI/CD, REST APIs, FinTech, Cross-Platform Development, AWS, Next.js, Figma, Startup, A/B Testing, Event-Driven Architecture

Seniority level

Mid-Senior level

Employment type


Full-time

Job function

Engineering and Information Technology


Industries

Financial Services and Engineering Services


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