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Freelance Flutter App Developer Jobs in New York

Moonshot

Senior Backend Engineer

New York, NY · On-site

Moonshot is the "Robinhood for DeFi"-an iOS and Android app that lets anyone trade cryptocurrencies ... Experience with Flutter, React Native, React, Headless CRMs * Experience with Go, Rust, Solana

Glamsquad

Freelance Hair Stylist

South Orange, NJ · On-site

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Tenafly, NJ · On-site

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Pine Brook, NJ · On-site

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Roselle, NJ · On-site

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Waldwick, NJ · On-site

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Roseland, NJ · On-site

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

River Edge, NJ · On-site

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Paterson, NJ

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Pompton Plains, NJ

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Paterson, NJ · On-site

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

Glamsquad

Freelance Hair Stylist

Saddle Brook, NJ

$25 - $50/hr

Glamsquad is an app that connects independent Beauty Professionals (Pros) with clients looking for ... engineers who shared a vision that top-tier beauty services should be accessible to everyone, not ...

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Freelance Flutter App Developer information

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 the most commonly searched types of Flutter App Developer jobs in New York?

The most popular types of Flutter App Developer jobs in New York are:

What are popular job titles related to Freelance Flutter App Developer jobs in New York?

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

What job categories do people searching Freelance Flutter App Developer jobs in New York look for?

The top searched job categories for Freelance Flutter App Developer jobs in New York are:

What cities in New York are hiring for Freelance Flutter App Developer jobs?

Cities in New York with the most Freelance Flutter App Developer job openings:

Freelance Flutter App Developer jobs near you

Senior Backend Engineer

Moonshot

New York, NY • On-site

Full-time

Medical, Life, Retirement, PTO

Re-posted 5 days ago

Job description

Moonshot is the "Robinhood for DeFi"-an iOS and Android app that lets anyone trade cryptocurrencies on-chain through a user-friendly interface.
Since our launch in July 2024, we've attracted 2M+ users.
Our mission: Make moonshots possible for everyone.
Our vision: Make a world where life-changing financial outcomes are within everyone's reach.
Everyone on our team is both a decision-maker and an implementer-united by a sense of urgency and driven by the conviction that our work can transform global finance. If you thrive on curiosity, welcome tough challenges, and aspire to leave a meaningful mark on the world, Moonshot is the place for you. You'll run toward the hardest problems alongside high-caliber teammates who consistently push each other to excel and who share your dedication to shaping the future of decentralized finance.
This role is full-time, preferably located in NYC. Open to remote for the right candidate.
The Opportunity
As a Backend Engineer at Moonshot, you'll own some of the most critical systems in our stack: identity and access, funds movement and ledgering, and the blockchain infrastructure that powers our on-chain trading. This role is similar to staff engineers at leading crypto wallets and exchanges who own authentication stacks, key management, and high-scale financial backends. You'll design, build, and operate systems that must be both highly reliable and extremely secure, enabling product teams to move quickly on a solid foundation.
What You'll Do
  • Design, build, and operate Identity & Access Management services:
    • Authentication flows, sessions, device trust.
    • Authorization and entitlements (roles, permissions, policies).
    • Security controls such as MFA and key management (working with security teams).
  • Own financial operations systems:
    • Transfers and payments orchestration.
    • Ledgering and reconciliation flows.
    • Limits, risk controls, and transactional correctness.
  • Build and maintain blockchain infrastructure:
    • Node and RPC management.
    • Transaction submission, monitoring, and retry logic.
    • Indexing and streaming of on-chain data into internal services and data stores.
  • Define and uphold reliability and observability standards:
    • SLOs and error budgets for core services.
    • Dashboards, alerts, runbooks, and incident management practices.
  • Lead large, cross-functional technical projects from design through rollout, collaborating with Product, Security, and Ops.
  • Mentor and guide other engineers, contributing to engineering standards, design reviews, and documentation.
  • Stay close to industry best practices in auth, key management, and secure infrastructure for crypto and trading.
What We Look For in You
  • 5-12+ years of backend or product or platform engineering, including experience with high-scale, high-availability systems in fintech, crypto, or similar domains.
  • Deep expertise in at least one of:
    • Identity & access / security engineering
    • Financial systems / ledgering / payments
    • Blockchain infrastructure / on-chain data
  • Strong experience designing and operating distributed systems (datastores, queues, streaming, background workers).
  • Track record driving architecture decisions and seeing them through implementation and adoption.
  • Strong operational mindset: monitoring, on-call, incident response, and postmortems.
  • Excellent collaboration skills, especially with Product, Security, and Ops.
Nice to Haves
  • Experience with Flutter, React Native, React, Headless CRMs
  • Experience with Go, Rust, Solana
  • Experience with Google Cloud or Amazon Web Services
  • Experience with crypto wallets, exchanges, or onchain protocols including DeFi, L2s, ZK
  • Exposure to data warehousing and analytics for financial reporting.
  • Contributions to open-source projects.
Location
  • NYC preferred (with periodic in-person sprints).
  • Remote-friendly within the United States and Canada; travel ~1wk/quarter
Compensation & Package
  • Competitive salary and meaningful equity.
  • 5% 401(k) match.
  • Health benefits with employer-covered premiums, plus life insurance coverage.
  • One-time office setup stipend.
  • Flexible PTO.

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