Senior Mobile Engineer

Experience:

7+ years of mobile development, including 3+ years of production Flutter Environment:
Startup / High-Growth Work Environment: 5 days onsite, Hazlet, NJ 07730 Focus:
Flutter, Mobile Architecture, Scalability & Release Management Position Overview

We are looking for a Senior Flutter Developer to join a fast-growing technology company and play a critical role in the next stage of an established consumer-facing mobile platform.

The app is already built and in market. This person will be highly hands-on within the existing product while helping drive the architecture, scalability, and technical direction of the front-end team as the company grows.

The platform supports multiple white-labeled client applications from a shared codebase
, making architecture, scalability, release management, and code quality especially important.

This is a true startup environment. We are looking for someone who is passionate, sharp, collaborative, and comfortable taking significant ownership
. Strong communication skills are essential, as this person will work closely with leadership, backend teams, developers, product stakeholders, and clients.

• Architecture & Scalability: Design and evolve an app architecture that supports multiple white-labeled clients using theming, feature flags, and configuration-driven builds.
• Flutter Development: Remain highly hands-on developing and improving an existing production Flutter application.
• Release & Platform Management: Own the end-to-end release pipeline across concurrent client builds, including Test Flight distribution, App Store Connect submissions, Google Play releases, versioning, and compliance issues.
• Third-Party Integrations: Integrate SDKs for ticketing, wallet/loyalty, payments, analytics, and real-time data feeds while isolating complexity behind clean interfaces.
• API Contracts: Partner proactively with backend engineering teams to define API contracts and ensure reliable communication between systems.
• Code Quality & Mentorship: Establish and enforce engineering standards around linting, testing strategy, architecture, and PR reviews while mentoring junior and mid-level developers.
• Performance & Reliability: Profile and resolve UI and performance issues related to real-time features such as live scores, loyalty programs, and in-venue commerce.
• Design applications for graceful degradation and reliability in challenging environments
  , including inconsistent venue Wi‑Fi.
• Product & Client Fluency: Identify technical risks during sprint planning and comfortably explain technical decisions directly to clients.
• Help shape the structure and technical direction of a growing front-end engineering team
  .

• 7+ years of professional mobile development experience.
• 3+ years building production Flutter applications. Flutter is a MUST.
• Deep knowledge of Flutter/Dart
  , mobile architecture, and scalable application development.
• Proven experience architecting applications that support multiple clients, tenants, or brands from a single shared codebase
  .
• Deep familiarity with Apple App Store and Google Play Store release processes
  .
• Experience managing multiple concurrent application builds and releases.
• Production experience integrating third‑party SDKs
  , including payments, ticketing, analytics, or similar technologies.
• Strong understanding of Flutter performance profiling and optimization
  .
• Experience designing scalable front‑end architectures using reusable components, feature flags, theming, and configuration‑driven development.
• A track record of mentoring engineers and establishing technical standards for a development team.
• Comfortable managing multiple concurrent projects and shifting priorities
  .
• Experience working in a fast‑p…