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Mobile App Developer Jobs in Plainfield, IL (NOW HIRING)

Yourco, Inc

Senior Backend Engineer

Chicago, IL · On-site

The "app-less" employee app built for the frontline workforce. All of the powerful functionality and security you expect in an enterprise mobile app, with the simplicity, distribution, and actual two ...

Rate

Senior Product Manager

Chicago, IL · On-site

$150K/yr

Developer Collaboration: Work embedded with engineering squads to unblock development, triage ... Consumer Mobile App, UX * Enhance UX: Partner closely with Product Designers to create intuitive ...

Sarian, Inc.

IOS Developer

Chicago, IL · On-site

$53.25 - $73.50/hr

Skill: Mobile Native iOS developer * Work with developers, designers and product managers to ... Worked on Re-design of the existing iOS App. * Integration of 3rd party libraires like OneSpan SDK ...

Reside Living

Maintenance Helper A - Local 1

Chicago, IL · On-site

$27.23/hr

Reports To: Building Engineer * Union Position: Maintenance Helper A (Local 1) * Benefits are ... Required to own and maintain personal smartphone (iPhone or Android) for using our mobile app to ...

INTERSOG

Senior IOS Developer

Chicago, IL · Hybrid

$61.75 - $80/hr

... mobile apps. Our expertise lies in UX design, native and hybrid app development and testing. We are ... programming skills Ability to create clean and effective code Experience with creating code style ...

INTERSOG

Senior IOS Developer

Chicago, IL · On-site

$61.75 - $80/hr

... mobile apps. Our expertise lies in UX design, native and hybrid app development and testing. We are ... programming skills Ability to create clean and effective code Experience with creating code style ...

Reside Living

Maintenance Helper A - Local 1

Chicago, IL · On-site

$27.23/hr

Reports To: Building Engineer * Union Position: Maintenance Helper A (Local 1) * Benefits are ... Required to own and maintain personal smartphone (iPhone or Android) for using our mobile app to ...

Reside Living

Maintenance Helper A - Local 1

Chicago, IL · On-site

$27.23/hr

Reports To: Building Engineer * Union Position: Maintenance Helper A (Local 1) * Benefits are ... Required to own and maintain personal smartphone (iPhone or Android) for using our mobile app to ...

NOCD Inc.

Senior IOS Developer

Chicago, IL · On-site

$150 - $200/hr

You'll work closely with Engineering, Product, Design, and Clinical teams to build high-quality ... Work with AWS services to support mobile applications and backend infrastructure. * Improve app ...

NOCD

Senior IOS Developer

Chicago, IL · On-site

$150K - $180K/yr

You'll work closely with Engineering, Product, Design, and Clinical teams to build high-quality ... Work with AWS services to support mobile applications and backend infrastructure. * Improve app ...

Nocd-

Senior IOS Developer

Chicago, IL · On-site

$150 - $200/hr

You'll work closely with Engineering, Product, Design, and Clinical teams to build high-quality ... Work with AWS services to support mobile applications and backend infrastructure. * Improve app ...

Dubclub

Senior Software Engineer (Full-Stack)

Chicago, IL · On-site

$140K - $170K/yr

The Role We're hiring a Senior Software Engineer to join our Chicago hub. This is a senior IC role ... Lead design and development of full-stack product features in the mobile and web app. * Balance ...

Dubclub

Staff Software Engineer (Full-Stack)

Chicago, IL · On-site

$180K - $220K/yr

The Role We're hiring a Staff Software Engineer to join our Chicago hub. This is a senior IC role ... Lead design and development of full-stack product features in the mobile and web app. * Balance ...

blueStone

iOS Architect

Oak Brook, IL · On-site

Work closely with hardware and firmware teams in integrating mobile app and cloud * Interface with ... Interface with customers and other design engineers required throughout the product development ...

360 IT Professionals

IBM Maximo Analyst

Chicago, IL · On-site

... Mobile development, i.e. iPhone and Android apps. We use Objective C and Swift programming ... mobile app. Technical knolweldge of and experience in Maximo 7.x, Experience in full system ...

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Showing results 41-60

All JobsMobile App Developer JobsMobile App Developer Jobs in Plainfield, IL

Mobile App Developer information

See Plainfield, IL salary details

$52.1K

$107.7K

$154K

How much do mobile app developer jobs pay per year?

As of Sep 8, 2026, the average yearly pay for mobile app developer in Plainfield, IL is $107,687.00, according to ZipRecruiter salary data. Most workers in this role earn between $81,400.00 and $124,300.00 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 popular job titles related to Mobile App Developer jobs in Plainfield, IL?

For Mobile App Developer jobs in Plainfield, IL, the most frequently searched job titles are:

What cities near Plainfield, IL are hiring for Mobile App Developer jobs?

Cities near Plainfield, IL with the most Mobile App Developer job openings:

Mobile App Developer jobs near you
Infographic showing various Mobile App Developer job openings in Plainfield, IL as of August 2026, with employment types broken down into 71% Full Time, and 29% Contract. Highlights an 73% In-person, and 27% Hybrid job distribution, with an average salary of $107,687 per year, or $51.8 per hour.

Software Engineer

Ritchie Bros. Auctioneers, Inc.

Westchester, IL • On-site

$100 - $125/hr

Other

Medical, Dental, Vision, Life, Retirement, PTO

Posted 9 days ago

Ritchie Bros. Auctioneers rating

7.5

Company rating: 7.5 out of 10

Based on 26 frontline employees who took The Breakroom Quiz

5th of 19 rated auctioneers

Job description

IAA Holdings, LLC (IAA), a Ritchie Bros. Auctioneers company (NYSE: RBA) and (TSX: RBA), is a trusted global marketplace for insights, services, and transaction solutions for commercial assets and vehicles. Leveraging leading-edge technology and focusing on innovation, IAA’s unique platform facilitates the marketing and sale of total-loss, damaged and low-value vehicles. IAA serves a global buyer base – located throughout over 170 countries – and a full spectrum of sellers, including insurers, dealerships, fleet lease and rental car companies, and charitable organizations. Buyers have access to multiple digital bidding and buying channels, innovative vehicle merchandising, and efficient evaluation services, enhancing the overall purchasing experience. IAA offers sellers a comprehensive suite of services aimed at maximizing vehicle value, reducing administrative costs, shortening selling cycle time and delivering the highest economic returns.

RB Global full-time employees are offered medical, dental, vision, and basic life insurances. Employees are able to enroll in our company’s 401k plan and RB Global will match 100% for the first 4% contributed. Employees will also receive 15 days of PTO each year.

Job Description

What You’ll Do (Responsibilities)

  • Build and maintain backend services using C# and modern .NET (.NET 6/8; moving toward .NET 10)
  • Contribute to microservices-based systems, including helping with incremental migration from monolith to microservices
  • Develop and maintain serverless components using Azure Function Apps
  • Implement data access patterns using Cosmos DB, Azure Blob Storage, and SQL Server
  • Build and integrate RESTful APIs used by web applications
  • Implement secure authentication/authorization with SSO using Microsoft Entra ID (OAuth2/JWT concepts)
  • Collaborate with frontend teams and contribute to UI code in React and/or Vue.js (feature work, API integration, debugging, performance fixes)
  • Write unit tests and help improve test coverage and overall code quality
  • Participate in code reviews, follow engineering standards, and use GitHub + GitHub Copilot effectively (with good judgment and review discipline

Required Qualifications

  • 3–6 years professional software engineering experience (or equivalent)
  • Strong experience with C#, .NET Core / modern .NET, and building backend APIs
  • Practical experience (project/production) with microservices and RESTful web services
  • Hands-on experience with Azure, including Azure Functions and at least one of: App Services / cloud hosting / Azure-native integrations
  • Experience with SQL Server and writing/debugging performant
  • Working knowledge of authentication concepts (OAuth2, JWT) and SSO integration (preferably Entra ID)
  • Experience writing unit tests and contributing to a quality-focused engineering culture

Preferred / Nice to Have

  • Experience helping modernize systems (e.g., monolith → microservices)
  • Experience with Cosmos DB and/or Blob Storage in production workloads
  • Familiarity with CI/CD and automated testing practices
  • Mobile app development experience (or supporting mobile backends
  • Exposure to both React and Vue (not just one)
Job Info
  • Job Identification 8282
  • Posting Date 07/30/2026, 09:30 PM
  • Locations 2 Westbrook Corporate Ctr, Westchester, IL, 60154, US (Hybrid)
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What Ritchie Bros. Auctioneers employees say

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Benefits

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