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Freelance Mobile Application Developer Jobs in Warren, NJ

Injective Labs

Mobile App Developer

New York, NY · Remote

Optimize application performance, responsiveness, and reliability across both iOS and Android ... mobile experience. * Participate in code reviews and contribute to engineering best practices.

Injective Labs

Mobile App Developer

New York, NY · On-site +1

Optimize application performance, responsiveness, and reliability across both iOS and Android ... mobile experience. * Participate in code reviews and contribute to engineering best practices.

Barrow Wise Consulting

Mobile Developer

New York, NY · On-site

$70K - $120K/yr

The Mobile Developer will support Barrow Wise's NYC Department of Social Services project and ... Develop the mobile application using Android, Typescript, React, and React Native * Develop ...

Barrow Wise Consulting

Mobile Developer

New York, NY · On-site

The Mobile Developer will support Barrow Wise's NYC Department of Social Services project and ... Develop the mobile application using Android, Typescript, React, and React Native * Develop ...

EROS Technologies, Inc.

Mobile App developer

Warren, NJ · On-site

Mobile App developer Location: Warren, NJ Job Type: Long Term Contract Position: C2C Position 3+ years experience with: OOP design & background C/C++ and/or Java Mobile App Development DSP Preferred ...

IPsoft Inc.

Mobile Engineer

New York, NY

The engineer will help build and improve our mobile application for our customers who are all household names. The expert engineer will possess a passion for pushing technologies to the limits and ...

US Mobile

General Interest Application

New York, NY · On-site

US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a ... engineering, best-in-class user experience, and features that will define the next generation of ...

US Mobile

General Interest Application

New York, NY · On-site

US Mobile is on a mission to revolutionize connectivity. Imagine a world where you can go into a ... engineering, best-in-class user experience, and features that will define the next generation of ...

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All JobsMobile Application Developer JobsFreelance Mobile Application Developer JobsFreelance Mobile Application Developer Jobs in Warren, NJ

Freelance Mobile Application Developer information

See Warren, NJ salary details

$55.6K

$114.7K

$164.1K

How much do freelance mobile application developer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for freelance mobile application developer in Warren, NJ is $114,736.00, according to ZipRecruiter salary data. Most workers in this role earn between $86,700.00 and $132,400.00 per year, depending on experience, location, and employer.

What is a freelance mobile application developer?

A Freelance Mobile Application Developer is a self-employed professional who designs, develops, and maintains mobile applications for clients on a contract basis. They work with different platforms like iOS and Android, using programming languages such as Swift, Kotlin, and Flutter. Responsibilities can include coding, testing, UI/UX design, and app deployment. Freelancers often manage multiple projects, set their rates, and determine their own schedules. This role offers flexibility and the opportunity to work with a variety of industries and clients.

What is a typical work process or workflow for a freelance mobile application developer?

A Freelance Mobile Application Developer typically works closely with clients to gather requirements, define project scope, and set milestones. After planning, you’ll design the app’s architecture, develop features, and perform regular testing to ensure quality and functionality. Communication is key, often involving regular updates to clients and collaborative tools like project management platforms or version control systems. Developers are also responsible for deploying completed apps to app stores and providing ongoing maintenance or updates as needed. This workflow demands good organization, proactive communication, and the ability to manage multiple projects simultaneously.

What are the key skills and qualifications needed to thrive as a freelance mobile application developer?

To thrive as a Freelance Mobile Application Developer, you need in-depth knowledge of mobile development frameworks (such as React Native, Flutter, Swift, or Kotlin), as well as experience with UI/UX design and a solid portfolio of released apps. Familiarity with source control systems like Git, mobile app deployment processes, and optionally relevant certifications (like Google Associate Android Developer) are commonly expected. Strong self-motivation, time management, problem-solving, and client communication skills are essential soft skills for success in a freelance environment. These abilities help ensure the timely delivery of high-quality mobile applications, satisfied clients, and a sustainable independent career.

Is a freelance mobile application developer a good career?

A freelance mobile application developer can be a viable career option, offering flexibility and the potential for high income depending on skills, experience, and demand. Success often depends on proficiency in programming languages like Swift or Kotlin, a strong portfolio, and effective client management. The field requires continuous learning to keep up with evolving technologies and platform updates.

What are popular job titles related to Freelance Mobile Application Developer jobs in Warren, NJ?

For Freelance Mobile Application Developer jobs in Warren, NJ, the most frequently searched job titles are:

What cities near Warren, NJ are hiring for Freelance Mobile Application Developer jobs?

Cities near Warren, NJ with the most Freelance Mobile Application Developer job openings:

Freelance Mobile Application Developer jobs near you
Infographic showing various Freelance Mobile Application Developer job openings in Warren, NJ as of August 2026, with employment types broken down into 78% Full Time, 17% Part Time, and 5% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $114,736 per year, or $55.2 per hour.

Mobile Application Developer

Sunbird Software Inc.

Piscataway, NJ • On-site

Full-time

Posted 3 days ago

New

Job description

Mobile Application Developer - Angular / Capacitor
About the Role
We are looking for aMobile Application Developerto extend our enterprise DCIM platform into a focused, mobile-first application for iOS and Android.
Our existing product is a matureAngularweb application. Rather than creating a separate mobile product and codebase, the mobile experience will be developed within our existing Angular application and packaged for iOS and Android usingCapacitor.
You will work alongside our existing Angular development team, with your primary focus onmobile development, Capacitor, native device integration, and mobile UX.
Responsibilities
  • Build mobile-first Angular screens and workflows for our DCIM application.
  • Integrate and maintainCapacitorfor iOS and Android.
  • Configure, build, debug, sign, and release applications usingXcode and Android Studio.
  • Integrate device capabilities such as QR/barcode scanning, camera, push notifications, biometrics, and local storage.
  • Design and implementoffline-capable functionality, including local data persistence and synchronization.
  • Integrate with our existing APIs, authentication, authorization, and RBAC.
  • Collaborate with our Angular development team to reuse existing services, models, and business logic.
  • Help establish mobile development standards and CI/CD processes.
  • Prepare and maintain releases through the Apple App Store and Google Play.

Required
  • Bachelors or higher degree in computer science or software engineering.
  • Hands on experience withAngular and TypeScript.
  • Hands-on experience withCapacitor or a comparable hybrid mobile framework.
  • Experience developing and deploying applications forboth iOS and Android.
  • Working knowledge ofXcode and Android Studio.
  • Strong understanding of mobile-first UX and responsive design.
  • Experience integrating REST APIs and native device capabilities.
  • Strong debugging and problem-solving skills.

Preferred
  • Experience buildingoffline-first applicationsand synchronization architectures.
  • Experience with SQLite or other local databases.
  • QR/barcode scanning, push notifications, biometrics, or camera integration.
  • Experience with App Store Connect and Google Play Console
  • Experience developing custom Capacitor plugins or working with Swift/Kotlin.
  • Enterprise application, authentication, or RBAC experience.

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