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Mobile App Developer Jobs in Newark, NJ (NOW HIRING)

KARGO

Mobile SDK Developer

New York, NY

$150K - $185K/yr

... and mobile can do to deliver unique ad experiences across the world's most premium platforms ... The Opportunity Kargo is hiring a senior engineer to keep our in-app advertising reliable ...

Kargo

Mobile SDK Developer

New York, NY · On-site

$150K - $185K/yr

... and mobile can do to deliver unique ad experiences across the world's most premium platforms ... The Opportunity Kargo is hiring a senior engineer to keep our in-app advertising reliable ...

Visa Hunt

Mobile Engineer, iOS

Manhattan, NY · On-site

$120 - $200/hr

About the Role As an iOS Engineer at Ramp, you'll enhance our successful and rapidly growing mobile app. You will improve the core platform that thousands of businesses rely on while also building ...

Judge Group, Inc.

Senior Mobile Engineer

Bayonne, NJ · On-site

$140K - $145K/yr

... app health and usage analytics Drive comprehensive testing strategies (unit, integration, UI/UX, and regression testing) Ensure ADA compliance and accessibility best practices across all mobile ...

Ramp

Mobile Engineer, iOS

Manhattan, NY · On-site

$120 - $170/hr

About the Role As an iOS Engineer at Ramp, you'll enhance our successful and rapidly growing mobile app. You will improve the core platform that thousands of businesses rely on while also building ...

Visa Hunt

Mobile Engineer, Android

Manhattan, NY · On-site

$120 - $180/hr

About the Role As an Android Engineer at Ramp, you'll enhance our successful and rapidly growing mobile app. You will improve the core platform that thousands of businesses rely on while also ...

Ramp

Mobile Engineer, iOS

New York, NY · On-site +1

$189K - $330K/yr

About the Role As an iOS Engineer at Ramp, you'll enhance our successful and rapidly growing mobile app. You will improve the core platform that thousands of businesses rely on while also building ...

Ramp

Mobile Engineer, Android

Manhattan, NY · On-site

$110 - $160/hr

About the Role As an Android Engineer at Ramp, you'll enhance our successful and rapidly growing mobile app. You will improve the core platform that thousands of businesses rely on while also ...

Ramp

Mobile Engineer, Android

New York, NY · On-site +1

$189K - $330K/yr

About the Role As an Android Engineer at Ramp, you'll enhance our successful and rapidly growing mobile app. You will improve the core platform that thousands of businesses rely on while also ...

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Showing results 41-60

All JobsMobile App Developer JobsMobile App Developer Jobs in Newark, NJ

Mobile App Developer information

See Newark, NJ salary details

$55.9K

$115.5K

$165.2K

How much do mobile app developer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for mobile app developer in Newark, NJ is $115,534.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,300.00 and $133,300.00 per year, depending on experience, location, and employer.

What is a mobile app developer?

Mobile app developers are professionals who design, build, and maintain applications for mobile devices such as smartphones and tablets. They use programming languages like Java, Swift, or Kotlin to create apps for platforms such as iOS and Android. These developers work closely with designers and other team members to ensure the app is user-friendly, functional, and meets client or business requirements. Their responsibilities also include testing and updating apps to fix bugs and add new features.

What are some common challenges mobile app developers face when working on cross-platform applications?

Mobile App Developers often encounter challenges when developing cross-platform applications, such as ensuring consistent user experiences across different devices and operating systems. Managing varying hardware capabilities, screen sizes, and OS-specific behaviors can require extra testing and fine-tuning. Additionally, integrating with native features or third-party services may demand creative problem-solving to maintain performance and functionality. Collaboration with designers and QA teams is essential to address these challenges and deliver high-quality apps.

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

To thrive as a Mobile App Developer, you need strong programming skills in languages such as Java, Kotlin, Swift, or Flutter, supported by a relevant degree or equivalent experience. Familiarity with development environments like Android Studio or Xcode, along with knowledge of APIs and app deployment processes, is typically required. Creativity, problem-solving, and effective communication help developers interpret user needs and collaborate with designers or stakeholders. These competencies ensure the creation of high-quality, user-friendly apps that meet business objectives and industry standards.

Are mobile app developers still in demand?

Yes, mobile app developers are in high demand due to the continued growth of smartphone usage and app-based services. Skills in programming languages like Swift and Kotlin, along with experience in app design and development, are valuable in this field.

How do you become a mobile app developer?

To become a mobile app developer, you typically need to learn programming languages such as Java, Swift, or Kotlin, and gain experience with mobile development frameworks and tools like Android Studio or Xcode. Building a portfolio of apps and understanding user interface design are also important, and many developers pursue relevant degrees or certifications to enhance their skills.

How to get a job in mobile app development?

To get a job as a mobile app developer, build a strong portfolio of apps demonstrating your skills in programming languages like Java, Swift, or Kotlin, and familiarize yourself with development environments such as Android Studio or Xcode. Gaining relevant certifications, staying updated on industry trends, and applying through job boards or company websites can improve your chances of securing a position.

Is a mobile app developer a good career?

A mobile app developer is a viable career choice with strong demand due to the widespread use of smartphones and mobile applications. The role typically requires skills in programming languages like Swift or Kotlin, and opportunities exist across various industries, offering competitive salaries and growth potential.

What are the most commonly searched types of App Developer jobs in Newark, NJ?

The most popular types of App Developer jobs in Newark, NJ are:

What are popular job titles related to Mobile App Developer jobs in Newark, NJ?

For Mobile App Developer jobs in Newark, NJ, the most frequently searched job titles are:

What job categories do people searching Mobile App Developer jobs in Newark, NJ look for?

The top searched job categories for Mobile App Developer jobs in Newark, NJ are:

What cities near Newark, NJ are hiring for Mobile App Developer jobs?

Cities near Newark, NJ with the most Mobile App Developer job openings:

Mobile App Developer jobs near you
Infographic showing various Mobile App Developer job openings in Newark, NJ as of August 2026, with employment types broken down into 72% Full Time, and 28% Contract. Highlights an 67% In-person, and 33% Hybrid job distribution, with an average salary of $115,534 per year, or $55.5 per hour.

Mobile SDK Developer

KARGO

New York, NY

$150K - $185K/yr

Full-time

Re-posted 11 days ago

Job description

Kargo creates powerful moments of connection between brands and consumers to build businesses. Every day, our dynamic teams work to radically raise the bar on what agentic AI, CTV, eCommerce, social, and mobile can do to deliver unique ad experiences across the world's most premium platforms. Taking a Creative Science approach to all we do, we continuously innovate solutions that outperform industry benchmarks and client expectations. Kargo is growing rapidly and currently has offices in NYC, Chicago, LA, Dallas, Sydney, Auckland, London and Waterford, Ireland. 

Who We Hire

Techies who want to build the future. Creatives who want to design it better. Communicators to win business. Collaborators to build it. Data pros who turn numbers into insights. Product builders who turn ideas into innovations. Anyone eager to be on a team that doesn't stop to ask what's next, because they're already building it. 

The Opportunity

Kargo is hiring a senior engineer to keep our in-app advertising reliable, performant, and revenue-ready across a fragmented ecosystem of devices, SDKs, mediation layers, and demand sources. This role owns deep technical investigation across the full ad lifecycle—from bid response through rendering and measurement—and helps elevate in-app advertising into a first-class part of Kargo's platform.

The Daily To-Do

  • Diagnose complex in-app failures spanning rendering, SDK behavior, mediation, and attribution—isolating root cause across SDK, mediation, creative, and demand boundaries instead of patching symptoms
  • Ship improvements to SDK and rendering infrastructure that improve render success rates and stability across iOS, Android, WebViews, and mediation partners
  • Deliver latency and efficiency optimizations across the ad stack with quantifiable gains in load time or resource use
  • Partner with Business Development to evaluate and bring online new vendor and demand integrations, weighing opportunities on technical merit and long-term maintainability
  • Drive production issues to resolution across engineering, product, and ops without dropping the thread, measurably reducing partner-facing escalations
  • Communicate technical findings clearly to Business Development, partners, and non-engineers
  • Raise engineering quality through code review, testing discipline, and thoughtful use of AI-assisted workflows so production defects in the rendering path trend down quarter over quarter

Qualifications

  • 5+ years of software engineering with significant exposure to mobile app advertising technologies
  • Strong grasp of the mobile programmatic ecosystem—mediation, bidding, SDK integrations, OpenRTB, and ad rendering workflows
  • Hands-on experience with mobile ad creative standards and cross-platform behavior across SDKs, WebViews, and mediation partners
  • Proven ability to debug the full in-app stack, from creative delivery through rendering and attribution
  • Performance engineering fundamentals: latency optimization, scalability, and system efficiency
  • Fluency with real-device QA, inspection and proxy tooling, and production debugging techniques
  • Preferred: working knowledge of the mobile privacy and measurement landscape and its impact on ad serving and attribution, plus a Bachelor's in Computer Science, Engineering, or a related technical discipline

In accordance with applicable federal, state, and local pay transparency laws, the anticipated base salary range for this position is listed below. In addition to base salary, this role is eligible for variable compensation — either the Kargo Sales Incentive Plan (sales roles) or an annual discretionary bonus (all other roles). Actual compensation may vary based on factors such as geographic location, work experience, education, and skills.

U.S Salary Range
$150,000—$185,000 USD

What We're Proud Of

  • AdAge Best Places to Work 
  • ThinkLA Partner of the Year
  • Built In Best Places to Work 
  • Cynopsis 2025 Top Women in Media - Jeannine Shao Collins
  • Martech Breakthrough Awards - Best Overall Adtech Company
  • Digiday Media Awards Best Event
  • Cynopsis Media Impact Awards-Best CTV Platform
  • Martech Breakthrough Awards-CTV Innovation
  • Adweek Media Plan of the Year Awards - Best Use of Insights

Following Our Lead

  • Big Picture:  kargo.com
  • The Latest:  Instagram (@kargo.hq) and LinkedIn (Kargo)