73 mobile developer jobs at 45 companies in Crystal Lake, IL
2mo
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Staff Engineer, Mobile Cross-platform
Chicago or Seattle or Creve Coeur or United States
$130k-$180k/yr HybridFull Time
8+ YOE8+ years software development experience; 2+ years building cross-platform mobile apps (Kotlin Multiplatform or React Native); iOS (Swift) and Android (Kotlin) experience; knowledge of MVVM/MVC, app store releases, git, testing; BS in CS or equivalent.
Kotlin Multiplatform, React Native, Swift, Kotlin, MVVM, MVC, git, C++, GraphQL
5d
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Mobile Engineer
Rockford, Illinois, United States
$35-$38/hr FieldFull Time
4+ YOEHigh school diploma, GED, trade school diploma, or 4–5 years relevant experience; universal CFC certification and driver's license required. Must lift 50+ pounds and use Microsoft Office products and CMMS.
Microsoft Office, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft Teams, CMMS
4w
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Lead Mobile Engineer, iOS (Enterprise Platforms Technology)
McLean or New York City or Chicago
$179k-$246k/yr OnsiteFull Time
4+ YOEBachelor's degree, 4+ years software engineering, 3+ years building iOS apps with Swift, experience with Kotlin and Agile, mentoring experience, strong communication and problem solving.
Swift, Kotlin
4w
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Lead Mobile Engineer, iOS (Enterprise Platforms Technology)
McLean or Chicago or New York City
$179k-$246k/yr OnsiteFull Time
4+ YOEBachelor's degree, 4+ years of software engineering experience, 3+ years building iOS applications, and 3+ years using Swift. Master’s degree and additional experience preferred.
Swift, Kotlin, MacBook Pro, Agile, Apple, Google
1mo
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Senior Software Engineer - Mobile Development
Chicago or New York
$150k-$170k/yr HybridFull Time
Experienced in iOS mobile application development, integrating with Java backend services in cloud/containerized environments; strong software design, CI/CD, testing, security/DevSecOps, and stakeholder communication. GitHub CoPilot familiarity noted.
GitHub CoPilot, JavaScript, iOS, MS Office
5d
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Mobile Architect_Dallas/Chicago/New York
Dallas or Chicago or New York City
$48k-$168k/yr OnsiteFull Time, Contract
Photon: A technology consulting organization delivering software solutions and innovation projects for retail clients.
10+ YOERequires 10–12 years of software development experience, native mobile development, Android or iOS, SwiftUI or Jetpack Compose, React, HTML5, JavaScript, and CSS.
SwiftUI, Jetpack Compose, React, HTML5, JavaScript, CSS
3w
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Full-Stack & Mobile Application Developer
Beloit, Wisconsin, United States
OnsiteFull Time
3+ YOE3+ years full-stack experience with React, Python, Node.js, Azure, and .NET MAUI; experience with RAG, OCR, offline-first mobile apps, Azure Government Cloud, and secure production deployments.
Microsoft Azure Government Cloud, Azure OpenAI Service, React, Python, Node.js, .NET MAUI, Azure AI Vision, Azure Document Intelligence, Azure AI Search, Microsoft Project, Microsoft Semantic Kernel, LangChain, LangGraph, PouchDB, CouchDB, SQLite, Git, Docker, Blazor Hybrid, SCADA, HMI
1mo
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Senior Engineer, Customer Web and Mobile Experience
Chicago, Illinois, United States
HybridFull Time
Bachelor's in CS or related (or equivalent experience); production web/mobile engineering experience; strong JavaScript/TypeScript and React; React Native preferred; experience with .NET (C#) BFFs, CI/CD, testing, authentication (OIDC/OAuth2), accessibility, and mobile app lifecycle.
React, React Native, React Native Web, Git, GitHub, Node.js, Next.js, VS Code, GitHub Codespaces, GitHub Copilot Enterprise, Expo SDK, Expo CLI, Microsoft Azure CLI, Postman, React DevTools, BrowserStack, Tailwind, NativeWind, shadcn/ui-style, .NET, C#, Microsoft Dynamics 365, EIS Suite
3w
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Senior Mobile Systems Engineer (iOS Android)
Deerfield, Illinois, United States
$99k-$158k/yr OnsiteFull Time
2+ YOEBachelor's+2yrs or HS+5yrs technical experience; infrastructure/systems/databases experience; programming with Python, Bash or PowerShell; knowledge of Workspace One, Intune, JAMF; strong relationship, analysis, and troubleshooting skills.
Python, Bash, PowerShell, Workspace One, Intune, JAMF
1mo
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Mobile Solution Architect- React Native
Chicago, Illinois, United States
$73k-$174k/yr HybridFull Time
9+ YOEBachelor's in CS/Engineering or equivalent, 9+ years in software engineering/solution architecture, strong React Native and cloud experience, LLM/AI design experience, consulting and stakeholder skills.
React Native, React, TypeScript, LangChain, LlamaIndex, Next.js, AWS, Azure, GCP, OAuth 2.0, LLMs, RAG
1mo
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Sr. Software Developer
Pleasant Prairie, Wisconsin, United States
$143k/yr OnsiteFull Time
5+ YOEBachelor's in Computer Engineering or related plus 5+ years progressive software development experience; experience with databases, web applications, software security, version control, scalable system design, SQL/NoSQL, Linux/Windows/Mobile/Web platforms, CI/CD, containerization, and cloud services.
Database software, SQL, NoSQL, Version Control Software, Linux, Windows, CI/CD, containerization, cloud services
1mo
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Staff Software Engineer
Westchester, Illinois, United States
$124k-$155k/yr RemoteFull Time
10+ YOEBachelor's degree, 10+ years software development experience with strong mobile (native and Flutter) and backend skills; experience with Spring, relational databases, cloud platforms, CI/CD, mentoring and technical leadership.
Swift, Kotlin, Flutter, Spring Boot, Spring Data, Spring Security, Xcode, Android Studio, MySQL, PostgreSQL, AWS, Azure, GCP, Docker, Kubernetes, Bitrise, GitHub, CircleCI, Jenkins, Mockito, Appium, Flutter integration test package
3w
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Senior Software Developer & Consultant
Chicago, Illinois, United States
$145k-$178k/yr HybridFull Time
10+ YOE10+ years professional software development experience; full-stack and mobile experience; automated testing and team leadership; strong client communication and mentoring skills; adaptable to emerging technologies including LLMs.
LLMs
6d
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Senior Software Engineer, Frontend Platform
United States or San Francisco or New York City or Los Angeles or Boston or Seattle or Washington or San Diego or Chicago or Austin or Dallas or Portland or Denver or Philadelphia or Baltimore or Sacramento or Minneapolis or Miami or Atlanta or Phoenix or Orlando or Las Vegas or Salt Lake City or Madison or Birmingham or San Antonio or Spokane or Toronto
$125k-$210k/yr HybridFull Time
Significant production software experience with deep React and TypeScript expertise, full-stack fundamentals, mobile experience, design systems, Figma, and hands-on AI-assisted development.
React, TypeScript, React Native, Figma, Cursor, Claude, Storybook, style-dictionary, Framer Motion, Rive, Lottie, Expo
2d
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Software Engineer, AI Wearables
Chicago, Illinois, United States
$100k-$140k/yr HybridFull Time
3+ YOEBachelor's or master's degree in computer science, engineering, or related field; 3+ years Android development experience; Kotlin, Java, Android Studio, Git/Jira, AI/ML, and mobile software expertise.
Android, Kotlin, Java, Android Studio, Git, Jira, REST APIs, Google Cloud Services, Amazon Web Services, Windows, Google Play Store, LLMs, Bluetooth, Wi-Fi
1d
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Sr Software Engineer Front End
Oak Brook, Illinois, United States
$184k/yr RemoteFull Time
5+ YOEBachelor's degree in computer science or related technical field; 5 years of mobile application development using Swift and Kotlin; proficiency with RESTful APIs, JSON, Git, Agile/Scrum, testing, architecture, and dependency injection.
Swift, Kotlin, RESTful APIs, JSON, Git, Agile, Scrum, Unit testing frameworks, MVC, MVVM, Dependency Injection
3w
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Senior Software Engineer (55220)
Vernon Hills, Illinois, United States
$108k-$127k/yr HybridFull Time
8+ YOEBachelor's in CS/Engineering,8+ years developing commercial B2B software for web/mobile/cloud/desktop,expertise with C#/.NET and Microsoft Full Stack,Azure experience,Git/DevOps,CI/CD,strong design and problem-solving skills.
C#, .NET, Microsoft Full Stack, Microsoft Azure, Git, DevOps, MFC, Java, React, AWS, Google Cloud
5d
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Senior Software Engineer , Full Stack ( Seattle / Provo Hybrid )
Provo or Seattle or Chicago or Boston or South Bend
$100k-$138k/yr HybridFull Time
5+ YOERequires a bachelor's degree or comparable experience, 5+ years in Angular and React mobile-responsive development, .NET Core, SQL Server, APIs, testing, agile methods, and technical leadership.
C#, .NET Core, Angular, React, JavaScript, CSS, JSON, Docker, Kubernetes, CI/CD, GitLab, Microsoft SQL Server, SQL
1w
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Sr. Software Engineer - Test (SDET)
Scottsdale or San Francisco or Chicago or New York City
$106k-$130k/yr HybridFull Time
5+ YOEBachelor's degree required. 5+ years developing software or test automation using two of Java, Ruby, Node.js, or Objective-C. Experience with CI/CD, test automation for API/web/mobile, and test frameworks.
Java, Ruby, Node.js, Objective-C, GitLab, GIT, Eclipse, Android Studio, Xcode, Bamboo, Harness, Splunk, AppDynamics, Appium, Selenium, WebDriver, Rest-Assured, Cucumber, AWS, Kubernetes, BrowserStack, Perfecto Mobile, Device Anywhere, Amazon Device Farm
2mo
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Software Engineer (Cloud, Cross-Platform & .NET Systems)
Chicago, Illinois, United States
OnsiteFull Time
3+ YOE3+ years .NET development, Flutter (Dart) for cross-platform mobile, Go or other compiled backend language, Linux deployment, Docker, private-cloud/on-prem deployments, SQL Server, API/REST/GraphQL experience, and familiarity with Git and AI-assisted tools.
.NET Framework, .NET Core, Flutter, Dart, Go, Rust, Java, Linux, Docker, Microsoft SQL Server, Postgres, MySQL, REST, GraphQL, Git, GitHub, Bitbucket, Atlassian, GitHub Actions, GitLab CI, Jenkins, Sentry, Cursor AI, GitHub Copilot, Node.js, Python, JavaScript, TypeScript, OAuth2, SAML, JWT
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