Senior Flutter developers, based in the US, working your hours
iOS and Android apps from one Flutter codebase, built by US engineers who ship to both app stores with confidence.
- Every engineer lives and works in the US
- Works your hours, joins your standups
- NDA and full IP assignment from day one
Book your call: tell us what you need
"NextGen scaled us from 2 to 7 dedicated engineers in under a quarter. Enterprise-grade capacity, zero agency drag."
"Their R&D tax credit workflow platform paid for itself in the first filing season."
"AI-native from day one. Our IRS transcript pipeline runs 24/7 without a human in the loop."
"Property tax appeals used to take weeks. Their comp analysis tooling turned it into hours."
"The AI intake agent handles our tier-1 patient calls with a hand-off cleaner than our old call center."
"POS, inventory, ordering — all unified. We finally have one source of truth across every location."
"The procurement platform paid for itself in the first quarter of use."
"They shipped our matching engine in 6 weeks. Our old team would've taken 6 months."
"Enterprise-grade delivery without the enterprise-agency price tag."
"Their team plugged into our sprint on day one. Zero ramp time."
"NextGen scaled us from 2 to 7 dedicated engineers in under a quarter. Enterprise-grade capacity, zero agency drag."
"Their R&D tax credit workflow platform paid for itself in the first filing season."
"AI-native from day one. Our IRS transcript pipeline runs 24/7 without a human in the loop."
"Property tax appeals used to take weeks. Their comp analysis tooling turned it into hours."
"The AI intake agent handles our tier-1 patient calls with a hand-off cleaner than our old call center."
"POS, inventory, ordering — all unified. We finally have one source of truth across every location."
"The procurement platform paid for itself in the first quarter of use."
"They shipped our matching engine in 6 weeks. Our old team would've taken 6 months."
"Enterprise-grade delivery without the enterprise-agency price tag."
"Their team plugged into our sprint on day one. Zero ramp time."
Sound familiar?
- Hiring a senior Flutter developer full-time is taking months.
- Your Flutter codebase has grown messy and every change breaks something else.
- Offshore hand-offs and time-zone gaps turn one-day fixes into week-long threads.
- You need someone senior enough to make decisions, not just close tickets.
What our Flutter engineers build
Cross-platform apps
One Flutter codebase for iOS and Android.
APIs & back-ends
Apps connected to your back-end, payments, and push.
App rescues
Buggy or stalled Flutter apps stabilized and released.
How it works
- 01
15-minute call
Tell us what you need built or fixed and where it's stuck.
- 02
Matched profiles
You meet US-based engineers with directly relevant work behind them.
- 03
You interview
Run your own technical interview. You only move forward with people you pick.
- 04
They start shipping
Onboarded into your repo, tools, and review process, with a weekly written update.
Hire US-based Flutter developers to build iOS and Android apps, maintain Dart codebases, and solve platform-specific integration problems. Work in Flutter 3.x and Dart 3 can span Riverpod or Bloc state management, go_router navigation, and native Swift or Kotlin bridges. Typical projects include offline field-service apps, customer portals, and mobile product rebuilds where deep links, push notifications, and local data synchronization need careful testing.
NextGen Coding Company supplies senior engineers who live and work in the US and collaborate during your hours, including standups. Many have more than ten years of engineering experience. Before touching your Flutter repository, we sign an NDA and full IP assignment. Bring your supported OS versions, plugin inventory, and release backlog to discuss issues such as signing failures, animation jank, or unreliable background behavior.
Frequently asked questions
- What skills should I look for when hiring a Flutter developer?
- Assess Dart fundamentals, widget lifecycle knowledge, state management, and hands-on iOS and Android debugging. A useful interview explores rebuild behavior, asynchronous errors, and platform permissions. Ask how the developer uses Flutter DevTools and tests business logic separately from widgets. Native Swift or Kotlin knowledge matters when plugins cannot cover a requirement.
- Can Flutter integrate with native iOS and Android features?
- Flutter can access native capabilities through plugins and platform channels, with Pigeon providing typed messaging between Dart and host code. Integration planning should cover permissions, lifecycle changes, and OS-specific restrictions. Bluetooth, background location, and push notifications often require real-device testing and native configuration rather than only adding a package.
- Should our Flutter app use Riverpod or Bloc?
- Both can support maintainable Flutter applications. Riverpod offers dependency management and reactive state patterns, while Bloc emphasizes explicit events and state transitions. Choose based on your team's familiarity, testing needs, and existing architecture. Replacing one with the other is rarely the first fix for tangled business logic or excessive widget rebuilds.
- How do you fix Flutter performance and offline synchronization problems?
- Profile performance on representative devices in profile mode using Flutter DevTools, checking frame times, rebuilds, and memory use. For offline behavior, evaluate local storage such as Drift alongside a defined synchronization protocol. Queued writes need retry handling and conflict rules; connectivity status alone cannot tell you whether the server accepted a change.
- Can a US-based Flutter developer handle app releases and ongoing maintenance?
- A Flutter role can include Xcode signing, Android Gradle configuration, TestFlight builds, and Google Play release preparation. Define responsibility for store accounts, CI credentials, and plugin upgrades upfront. Book a 15-minute call to discuss your release process and hiring needs. Most teams interview matched engineers within a week of that first call.
- Are your developers really based in the US?
- Yes. Every engineer lives and works in the United States. No offshore subcontracting and no hand-offs to another team. That's written into the contract.
- How fast can someone start?
- Most teams interview matched engineers within a week of the first call. Start dates depend on your interview process.
Related reading
- How to hire a software developer
What to check before you sign.
- Hiring test for senior engineers
How to vet senior talent fast.
- Senior engineer salary guide 2026
What the market pays.
- Onshore vs offshore vs nearshore
The honest tradeoffs.
- Forward deployed engineers
Need an owner, not just capacity?
- Resource library
Every guide and benchmark we publish.
Start your project request
Tell us what you're building — engineering capacity, AI, QA, cloud, or a fixed-scope software engagement. Our NYC team responds within one business day.
- Response within 1 business day
- 30-minute discovery conversation
- Recommended engagement model & pricing
- NYC-focused — in-person available
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