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Kotlin Java Jobs in Illinois (NOW HIRING)

SpotHero

Pricing Engineering Manager

Chicago, IL · On-site

Required : • 5+ years of experience as a software engineer working on distributed systems in Python, Java, Kotlin, Go, or JavaScript/TypeScript. • 3+ years of experience managing engineers ...

SpotHero

Pricing Engineering Manager

Chicago, IL · On-site

Required : • 5+ years of experience as a software engineer working on distributed systems in Python, Java, Kotlin, Go, or JavaScript/TypeScript. • 3+ years of experience managing engineers ...

Merican

SDET Consultant

Chicago, IL · On-site

$51.50 - $66.50/hr

Develop, maintain, and enhance automation frameworks using Java, Groovy, or Kotlin * Conduct code reviews to ensure maintainable, scalable automation code * Define and implement QA standards and ...

SpotHero

Pricing Engineering Manager

Chicago, IL · On-site

Java, Python, Kotlin, Postgres * Frontend: React/Redux * DevOps: AWS, Kubernetes, Terraform, Prometheus, Honeycomb * Data: Redshift, Airflow, Looker Why SpotHero? We're a marketplace making parking ...

NextRow Digital

Senior Selenium Engineer

Chicago, IL · On-site

... Java, Groovy, Kotlin) • Conduct regular code reviews to ensure that object-oriented design best practices are followed at all times. Automation code should be easy to extend and support • Be ...

Yum! Brands

Sr. QA Engineer II

Chicago, IL · On-site

Proficiency in Kotlin or Java for Android development. * Solid experience with Node.js and TypeScript, including writing and maintaining automated tests. * Experience with test frameworks such as ...

Yum Brands

Sr. QA Engineer II

Chicago, IL

Proficiency in Kotlin or Java for Android development. * Solid experience with Node.js and TypeScript, including writing and maintaining automated tests. * Experience with test frameworks such as ...

Inspire11

Software Engineer

Chicago, IL

Proficient in full-stack development with expertise in either modern JavaScript & React, or backend-languages like C#, Java, Kotlin, Python, etc., along with API design and documentation

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Kotlin Java information

How do Kotlin and Java developers typically collaborate within a team environment?

Kotlin and Java developers often work closely together, especially in organizations transitioning from Java to Kotlin or maintaining hybrid codebases. Collaboration involves code reviews, sharing best practices for interoperability, and jointly resolving integration issues. Teams usually use shared repositories and continuous integration tools to ensure smooth collaboration, with regular communication to align on coding standards and project goals. This environment encourages learning and cross-training, as developers can gain experience with both languages and contribute to refactoring or migrating code as needed.

What is the difference between Kotlin Java vs Android Developer?

AspectKotlin JavaAndroid Developer
Primary SkillsProficiency in Kotlin and Java programming languagesAndroid app development, Java/Kotlin coding, UI design
CertificationsJava certifications, Kotlin certifications (optional)Android development certifications (e.g., Google Associate Android Developer)
Work EnvironmentSoftware development teams, mobile app projectsMobile app projects, Android studios, cross-functional teams
Industry UsageBackend, Android app development, cross-platform projectsPrimarily Android app development for mobile devices

While Kotlin Java refers to programming languages used in Android development, an Android Developer specializes in creating Android applications using languages like Kotlin and Java. Kotlin Java skills are essential for Android Developers, but the role also involves UI design, testing, and deployment. Understanding the differences helps clarify whether you're focusing on programming languages or the broader role of Android app creation.

What is a Kotlin Java developer?

Kotlin Java developers are professionals skilled in both the Kotlin and Java programming languages. They typically work on building, maintaining, and optimizing applications, especially for the Android platform, since both languages are widely used for Android development. These developers leverage Java's robustness and Kotlin's modern features to create efficient, reliable, and scalable software solutions. Their expertise allows for seamless migration between Java and Kotlin codebases and the integration of new features using either language.

What are the key skills and qualifications needed to thrive as a Kotlin/Java developer, and why are they important?

To thrive as a Kotlin/Java Developer, you need a solid understanding of object-oriented programming, data structures, algorithms, and proficiency in both Kotlin and Java languages, often supported by a degree in computer science or related fields. Familiarity with build tools (like Gradle or Maven), version control systems (such as Git), and frameworks like Spring or Android SDK is highly valuable. Strong problem-solving abilities, teamwork, and effective communication skills set top developers apart in collaborative environments. These skills ensure efficient development, maintainable code, and successful project delivery in dynamic software teams.
What are popular job titles related to Kotlin Java jobs in Illinois? For Kotlin Java jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Kotlin Java jobs in Illinois look for? The top searched job categories for Kotlin Java jobs in Illinois are:
What cities in Illinois are hiring for Kotlin Java jobs? Cities in Illinois with the most Kotlin Java job openings:
Kotlin Java jobs near you
Infographic showing various Kotlin Java job openings in Illinois as of August 2026, with employment types broken down into 1% Internship, 80% Full Time, 3% Part Time, and 16% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution.

Android and/or iOS Mobile Developer

Adidev Technologies Inc

Champaign, IL • On-site

$30 - $40/hr

Full-time

Re-posted 26 days ago

Job description

Adidev Technologies is seeking entry and mid-level iOS and Android developers with at least 1 - 2 years of experience. Must be willing to relocate depending upon the client assignment. A project can last anywhere from 6 months to 18 months. Salary varies depending upon experience, and we are in search of candidates looking to start as soon as possible. Excellent written and oral communication are required as is the ability to work well in a team environment.
If you are looking for a new challenge and are ready to make an impact on a growing team, then this will be a perfect fit. As an iOS or Android Mobile Developer for Adidev Technologies Inc., you will be enhancing and debugging large-scale applications for one of our well-known clients.
Qualifications and Skills: Android Developer
At least 1 years of experience with Java and Kotlin.
At least 1 application published to the Play Store; Displays familiarity with the process
Strong knowledge of Android SDK, different versions of Android, and how to deal with different screen sizes
Experience with offline storage, threading, and performance tuning
Knowledge of the open-source Android ecosystem and the libraries available for common tasks
Familiarity with RESTful APIs to connect Android applications to back-end services
Comfortable with Git and source control
A strong work ethic and the ability to manage yourself and your time
Excellent communication skills - both written and verbal
Required experience:
Java: 1-2 years
Kotlin: 1 year
Android SDK
Playstore
Qualifications and Skills: iOS Developer
Proficient with Swift and Objective-C( knowledge and hands on), and Cocoa Touch
Experience with iOS frameworks such as Core Data, Core Animation, etc.
Experience with Design Patterns such as MVC, Singleton, etc.
Experience with offline storage, threading, and performance tuning
Familiarity with RESTful APIs to connect iOS applications to back-end services
Familiarity with 3rd Party API integrations such as Facebook, Dropbox, Instagram, Twitter, GoogleDrive, Bluetooth, Keychain, etc.
Knowledge of other web technologies and UI/UX standards
Understanding of Apple's design principles and interface guidelines
Knowledge of low-level C-based libraries is preferred
Experience with performance and memory tuning with tools {{such as Instruments and Shark, depending on project needs}}
Familiarity with cloud message APIs and push notifications
Knack for benchmarking and optimization
Proficient understanding of code versioning tools {{such as Git, Mercurial or SVN}}
Familiarity with continuous integration
Required experience:
Swift - 1-2 years
Objective-C - 1-2 years
iOS SDK
Appstore
Benefits
Competitive Salary
Paid Relocation
Remote Support
Guaranteed Regular Salary Reviews
Job Type: W2 or Contract 1099 (full time - 40 hours)
Salary: $60k to $85k or $30/hr to $40/hr + Depending upon Experience

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