ZipRecruiter

Log In

1

Freelance Flutter App Developer Jobs in Hackensack, NJ

KAST

Frontend Developer (Flutter; DeFi)

New York, NY · On-site +1

$113K - $132K/yr

New York Description We're looking for a mid-level to senior Flutter engineer who understands DeFi - not just how to build a beautiful mobile app, but how DeFi products (lending, staking, swaps ...

Gorin Systems

Flutter Developer (Remote)

Brooklyn, NY · On-site +1

Experience with mobile app development (iOS and/or Android) * Strong understanding of OOP concepts and design pattern * Familiarity with Git and Jira * Good problem-solving skills * Fluent in English ...

Hired Recruiters

Mobile Engineer

New York, NY · On-site

As our first mobile app developer, you'll take the lead in implementing the first iteration of ... React Native, Android, iOS, Flutter * Will Transfer H1 Beyond prior mobile and front-end ...

Hired Recruiters

Mobile Engineer

New York, NY · On-site +1

As our first mobile app developer, you'll take the lead in implementing the first iteration of ... React Native, Android, iOS, Flutter * Will Transfer H1 Beyond prior mobile and front-end ...

Hired Recruiters

Mobile Engineer

New York, NY · On-site

As our first mobile app developer, you'll take the lead in implementing the first iteration of ... Practical experience building and deploying apps in Flutter * Basic understanding of platform ...

Hired Recruiters

Mobile Engineer

New York, NY · On-site

As our first mobile app developer, you'll take the lead in implementing the first iteration of ... Practical experience building and deploying apps in Flutter * Basic understanding of platform ...

Ajax

Full Stack Engineer

New York, NY · On-site

$180K - $220K/yr

Why Ajax The problem Have you ever stood at engineering standup and struggled to recall what you ... Alex issued a native app update for our Flutter app that captured data more quickly when users task ...

A-Jax Company

Full Stack Engineer

Manhattan, NY · On-site

$180 - $230/hr

Why Ajax The problem Have you ever stood at engineering standup and struggled to recall what you ... Alex issued a native app update for our Flutter app that captured data more quickly when users task ...

A-Jax Company

Full Stack Engineer

Manhattan, NY · On-site

$180 - $230/hr

Why Ajax The problem Have you ever stood at engineering standup and struggled to recall what you ... Alex issued a native app update for our Flutter app that captured data more quickly when users task ...

Ajax

Senior Product Designer

Manhattan, NY · On-site

$210 - $270/hr

Alex issued a native app update for our Flutter app that captured data more quickly when users task ... Our team is 12 people (5 engineers, 7 Go To Market) * We've raised $10mm in venture funding from ...

A-Jax Company

Senior Product Designer

Manhattan, NY · On-site

$210 - $270/wk

Who can operate independently as a designer and collaboratively with engineers... And can turn ... app update for our Flutter app that captured data more quickly when users task switch Roger ...

A-Jax Company

Senior Product Designer

Manhattan, NY · On-site

$210 - $270/wk

Who can operate independently as a designer and collaboratively with engineers... And can turn ... app update for our Flutter app that captured data more quickly when users task switch Roger ...

A-Jax Company

Senior Product Designer

Manhattan, NY · On-site

$210 - $270/wk

Alex issued a native app update for our Flutter app that captured data more quickly when users task ... Our team is 12 people (5 engineers, 7 Go To Market) * We've raised $10mm in venture funding from ...

A-Jax Company

Senior Product Designer

Manhattan, NY · On-site

$210 - $270/wk

Alex issued a native app update for our Flutter app that captured data more quickly when users task ... Our team is 12 people (5 engineers, 7 Go To Market) * We've raised $10mm in venture funding from ...

Condé Nast

Software Engineer 3, Mobile

New York, NY · On-site +1

$160K - $185K/yr

Our mobile engineering teams build the digital products that deliver world-class storytelling and ... App Distribution). * Keep up to date with emerging Flutter/Dart libraries, patterns, and best ...

Ajax

Senior Product Designer

New York, NY · On-site

$210 - $270/wk

Alex issued a native app update for our Flutter app that captured data more quickly when users task ... Our team is 12 people (5 engineers, 7 Go To Market) * We've raised $10mm in venture funding from ...

Square Peg Hires

[QA] - Mobile Developer

New York, NY · On-site

... Flutter).Experience with mobile app architecture patterns (e.g., MVC, MVVM, MVP).Knowledge of ... Proficiency in programming languages such as Swift, Kotlin, Java, or React Native. * Strong ...

Condé Nast

Software Engineer 3, Mobile

New York, NY · On-site

$160K - $185K/yr

Our mobile engineering teams build the digital products that deliver world-class storytelling and ... App Distribution). * Keep up to date with emerging Flutter/Dart libraries, patterns, and best ...

3B Staffing LLC

Mobile Developer

West New York, NJ · On-site

Conduct thorough testing to identify and fix bugs, optimize app performance, and ensure seamless ... Flutter. * Experience with mobile development tools (Xcode, Android Studio) and APIs (RESTful ...

next page

Showing results 1-20

All JobsFlutter App Developer JobsFreelance Flutter App Developer JobsFreelance Flutter App Developer Jobs in Hackensack, NJ

Freelance Flutter App Developer information

See Hackensack, NJ salary details

$18

$57

$92

How much do freelance flutter app developer jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for freelance flutter app developer in Hackensack, NJ is $57.41, according to ZipRecruiter salary data. Most workers in this role earn between $46.15 and $66.06 per hour, depending on experience, location, and employer.

What does a freelance Flutter app developer do?

A Freelance Flutter App Developer designs, builds, and maintains mobile applications using the Flutter framework, which allows for cross-platform development on both iOS and Android. They typically work independently or with clients on a contract basis, handling tasks such as coding, debugging, UI/UX design, and integrating APIs. Their role often includes collaborating with designers or project managers to deliver customized app solutions that meet specific client requirements. Freelance Flutter developers must stay updated on the latest Flutter updates and best practices to ensure high-quality, performant apps.

What are some common challenges faced by freelance Flutter app developers, and how can they be addressed?

Freelance Flutter app developers often encounter challenges such as managing multiple client expectations, keeping up with frequent framework updates, and ensuring cross-platform consistency. To address these, it's important to maintain clear communication with clients, set realistic timelines, and allocate time for ongoing learning. Leveraging version control and thorough testing across devices can also help deliver high-quality apps and build a strong reputation in the freelance market.

What are the key skills and qualifications needed to thrive as a freelance Flutter app developer, and why are they important?

To thrive as a Freelance Flutter App Developer, you need a solid understanding of Dart programming, mobile app development principles, and experience building cross-platform applications with Flutter. Familiarity with tools like Android Studio, Xcode, Git, and relevant app store deployment processes is typically required, and certifications in Flutter or mobile development can be advantageous. Strong problem-solving, self-management, and client communication skills help freelancers efficiently handle projects and build lasting relationships. These skills and qualities are crucial for delivering high-quality apps, managing multiple projects, and succeeding in a competitive freelance market.

What is the difference between Freelance Flutter App Developer vs Mobile App Developer?

AspectFreelance Flutter App DeveloperMobile App Developer
CredentialsTypically self-taught or with certifications in Flutter or mobile developmentOften holds degrees or certifications in mobile app development or related fields
Work EnvironmentIndependent, project-based, remote or on-siteEmployed by companies, agencies, or as in-house staff
Industry UsageFreelance market, startups, small businessesTech companies, enterprises, large organizations
Search & Comparison IntentLooking for freelance opportunities or hiring freelancersHiring or understanding roles in mobile app development

Freelance Flutter App Developers work independently on projects, often remotely, focusing on Flutter-based mobile apps. Mobile App Developers may work in-house or for agencies, with broader expertise in multiple platforms. Both roles require similar technical skills, but their work settings and employment types differ significantly.

What are popular job titles related to Freelance Flutter App Developer jobs in Hackensack, NJ?

For Freelance Flutter App Developer jobs in Hackensack, NJ, the most frequently searched job titles are:

What cities near Hackensack, NJ are hiring for Freelance Flutter App Developer jobs?

Cities near Hackensack, NJ with the most Freelance Flutter App Developer job openings:

Freelance Flutter App Developer jobs near you
Infographic showing various Freelance Flutter App Developer job openings in Hackensack, NJ as of August 2026, with employment types broken down into 44% Full Time, 48% Part Time, and 8% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $119,415 per year, or $57.4 per hour.

Frontend Developer (Flutter; DeFi)

KAST

New York, NY • On-site, Remote

$113K - $132K/yr

Full-time

Re-posted 21 days ago

Job description

Frontend Developer (Flutter; DeFi)
Department: Engineering
Employment Type: Full Time
Location: New York
Description
We're looking for a mid-level to senior Flutter engineer who understands DeFi - not just how to build a beautiful mobile app, but how DeFi products (lending, staking, swaps, savings, and self-custody wallets) actually work on-chain. You'll build consumer-facing DeFi products end to end, translating complex on-chain flows into interfaces that are clear, trustworthy, and delightful.
You'll collaborate closely with backend, product, and design to ship money-movement features that are secure and reliable.
Location: remote from the US.
What You'll Be Doing
  • Build and own consumer-facing DeFi features in the KAST mobile app, end to end.
  • Translate DeFi concepts (lending, swap, borrowing) into clear, trustworthy mobile UX.
  • Integrate with backend services and handle secure, multi-step money-movement and transaction authorization flows.
  • Handle wallet, signing, and transaction states - pending, submitted, confirmed, failed - with robust error handling and user feedback.
  • Contribute to a clean, well-tested mobile architecture and shared component patterns.
  • Write testable, maintainable code and participate in code review and release quality.
  • Collaborate with product and design to shape requirements into shipped features.

What You'll Bring
  • 2+ years of production mobile development with Flutter, or 3+ years with ownership of shipped consumer apps.
  • Hands-on DeFi experience is required - you have built, integrated, or worked closely with on-chain protocols (lending/borrowing, staking, swaps, or wallets) and understand concepts like collateral, LTV, health factor, and gas/network fees.
  • Strong command of Flutter fundamentals: state management, navigation, clean architecture, and dependency injection.
  • Experience consuming REST APIs, handling auth tokens, and managing complex asynchronous and multi-step transaction flows.
  • Solid understanding of mobile security best practices (secure storage, sensitive data handling, MFA flows).
  • Comfortable with Git-based workflows, code review, and shipping to the App Store / Play Store.

Nice to have
  • Experience integrating with DeFi lending, staking, or swap protocols on any major chain.
  • Familiarity with embedded/MPC wallet providers or self-custody / key import-export flows.
  • Experience in fintech, neobanking, or regulated financial products.
  • Exposure to mobile analytics/observability and CI/CD.
  • Contributions to shared Flutter packages or a modular multi-app codebase.

Apply