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Kotlin Java Jobs in Illinois (NOW HIRING)

Jean Martin, Inc

Senior Java Developer

Chicago, IL · On-site

$59 - $75.25/hr

Advanced Java and/or Kotlin * Spring Boot * Microservices architecture * RESTful API design (OpenAPI/Swagger) * SQL & Relational Databases * NoSQL databases (DynamoDB, MongoDB, Cassandra) * CI/CD ...

FleetPulse

Forward Deployed Engineer

Chicago, IL · On-site

$140K - $165K/yr

FleetPulse's technical stack is Kotlin/Java, React, and React Native, but experience in any similar web application framework is valuable. * Ideal candidates will have full stack web application ...

Redolent, Inc.

US_East | Project Leader_L2

Chicago, IL · On-site

$59.75 - $75.75/hr

Kotlin & Java (Must have), Coroutines, Jetpack Compose, Firebase DB • Agile process adherence, People Leadership, Communication & Collaboration o Scrum • DevOps o Git, GitHub, Jenkins • Clean ...

Redolent, Inc.

US_East | Project Leader_L2

Chicago, IL · On-site

Kotlin & Java (Must have), Coroutines, Jetpack Compose, Firebase DB o MVVM o CLEAN Architecture o SOLID Principles o Test Driven Development o Test Automation o Mobile DevOps • DevOps o Git, GitHub ...

The LaSalle Group

Android Engineer

Chicago, IL · On-site

$140K - $160K/yr

Develop and maintain native Android applications using Kotlin and Java * Optimize application performance across device types and OS versions * Implement secure content delivery solutions, including ...

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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.

Java Tech Lead

Texas State Library and Archives Commision

Chicago, IL • On-site

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

Job description

1. Architect, design, and implement high-performance and scalable applications in Java and Kotlin.
2. Collaborate with cross-functional teams to define and execute software solutions.
3. Conduct code reviews and provide constructive feedback to the development team.
4. Stay updated on industry trends and advancements to ensure the adoption of best practices.
5. Lead and mentor junior developers, fostering a collaborative and innovative environment.
6. Troubleshoot, debug, and optimize existing systems for performance and reliability.
**Requirements:**
1. Strong proficiency as a Java Kotlin
2. Experience in building technology solutions in Payment domain and consumer wallet .
3. In-depth knowledge of software architecture principles and design patterns.
4. Experience with microservices architecture and RESTful APIs.
5. Experience building Authentication and Authorization modules with focus on payment security and PCI guidelines
6. Strong experience in public cloud (Azure preferred)
6. Excellent problem-solving and communication skills.
7. Ability to work in an agile development environment.
8. Bachelor's or Master's degree in Computer Science or a related field.

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