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Freelance Remote Mobile Developer Jobs (NOW HIRING)

NinjaTrader

Sr. Mobile Engineer I

OR · On-site +1

$125K - $175K/yr

As a Sr. Mobile Engineer I, you will lead mobile architecture, mentor engineers, and deliver ... There may be remote flexibility for exceptional candidates in the following states: California ...

Rula Health

Sr. Mobile Engineer (Remote)

$166K - $203K/yr

... remote-first company. We currently hire in most U.S. states, with the exception of Hawaii. About the Role We are hiring a Senior Mobile Engineer to help build and scale Rula's patient-facing mobile ...

Upstart

Software Engineer, Borrower Experience

OR · On-site +1

$133K - $166K/yr

Have contributed to internal tools, processes, or systems that improved mobile developer velocity or code quality. Position location This role is available in the following locations: Remote Time ...

Upstart

Principal Mobile Engineer, Cash Line

OR · On-site +1

As the Principal Mobile Engineer on the Cash Line team, you will be the senior technical owner for ... Remote, Burlingame, Columbus, Austin, New York Time Zone Requirements - This team operates across ...

Sony Electronics

Lead Mobile App Developer/Architect

$116K - $154K/yr

We are seeking an experienced Senior Mobile Application Developer to lead the evolution of our ... Experience working with fully remote teams * Experience with AI-assisted software development tools ...

DevSelect

Senior React Native Developer

$55.75 - $73.75/hr

Remote Openings: 2 Type: Contract The Client is looking for Senior React Native Developer for there Mobile Application team. The candidate must be highly skilled in Progressive Web Applications and ...

Tandem

Sr Mobile Infrastructure Engineer II

Remote: This position is fully remote and open to candidates within the United States. Equipment ... Experience with Apple Developer account management including certificates, provisioning profiles ...

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How much do freelance remote mobile developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for freelance remote mobile developer in the United States is $55.01, according to ZipRecruiter salary data. Most workers in this role earn between $41.35 and $66.35 per hour, depending on experience, location, and employer.
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Freelance Remote Mobile Developer jobs near you
Infographic showing various Freelance Remote Mobile Developer job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 72% Full Time, 18% Part Time, 8% Contract, and 1% Nights. Highlights an 88% Physical, 1% Hybrid, and 11% Remote job distribution, with an average salary of $114,431 per year, or $55 per hour.

Sr. Mobile Engineer I

NinjaTrader

OR • On-site, Remote

$125K - $175K/yr

Full-time

Retirement, PTO

Posted 19 days ago

Key responsibilities

  • Own the life cycle of features through debugging, documenting, testing, releasing, and monitoring

  • Participate in design reviews, architecture discussions, and performance optimization efforts across iOS and Android

  • Collaborate with Product and Design teams to iteratively improve the user experience on mobile platforms

Job description

What you'll do:

We are seeking a highly skilled and experienced engineer specializing in Flutter to join our Mobile Engineering Team. As a Sr. Mobile Engineer I, you will lead mobile architecture, mentor engineers, and deliver scalable, high-performance applications that power a seamless cross-platform experience. You will influence technical direction across teams, set a high standard for engineering excellence, and drive end-to-end quality and reliability in our mobile products.

In this role you will:

  • Own the life cycle of features through debugging, documenting, testing, releasing, and monitoring
  • Take part in daily stand-ups and regular team-wide meetings to discuss current and upcoming tasks
  • Participate in the technical roadmap for mobile architecture, frameworks, and tooling
  • Participate in design reviews, architecture discussions, and performance optimization efforts across iOS and Android
  • Implement robust, maintainable Flutter solutions that follow best practices for state management, dependency injection, and reactive programming
  • Collaborate with Product and Design teams to iteratively improve the user experience on mobile platforms
  • Investigate issues, mitigate them, and recommend preventative measures
  • Improve observability, monitoring, and crash analytics to ensure product stability and quality
  • Help foster a culture of technical excellence, innovation, and collaboration

What you'll need:

  • 6+ years of professional software engineering experience
  • 2+ years of hands-on Flutter and Dart experience in production environments
  • Understanding of mobile architecture, state management, and design patterns (e.g., BLoC, MVVM, Clean Architecture)
  • Experience maintaining testing strategies for Flutter applications, spanning unit, widget, integration, and end-to-end levels
  • Familiarity with building CI/CD automation for mobile delivery
  • Understanding of RESTful APIs, WebSockets, and offline data handling
  • Familiarity with optimizing performance, reliability, and user experience across diverse devices
  • Ability to perform in a team environment adopting agile principles
  • Strong written and verbal communication skills
  • Strong grasp of OOP design principles

Bonus Points for:

  • Knowledge of native iOS (Swift) and Android (Kotlin/Java) integration
  • Experience with fintech or trading platforms
  • Contributions to open-source frameworks or SDKs

Compensation:

The salary range for this role will be $125,000.00 - $175,000.00 USD. In addition, this position will also receive an annual target bonus of 12%. Bonus pay at NinjaTrader is based on individual performance (50%) as well as company/team performance (50%).

Salary and bonus earnings are only two components of the total compensation package offered by NinjaTrader. NinjaTrader offers a 401K plan through ADP under which the company will match up to 3.5% of employee contributions. Annual paid time off allowance accrues at a rate of 18 days per year (some positions may qualify for more) plus seven paid holidays.

Location:

This role is based in Chicago, IL. *There may be remote flexibility for exceptional candidates in the following states: California, Colorado, Florida, Georgia, Illinois, Indiana, Minnesota, Missouri, Montana, New Jersey, New York, North Carolina, Ohio, Oregon, Pennsylvania, South Carolina, Texas, Utah, Vermont, Virginia, Washington, Washington DC, Wisconsin.

Hybrid:

For Chicago-based employees, we follow a hybrid work schedule: In-office Tuesday through Thursday, with remote work on Mondays and Fridays. In addition to these weekly remote days, we offer:

  • 20 additional flex remote days annually
  • 5 Company Wide Office-Optional weeks tied to major holidays

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