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On Call Java Back End Developer Jobs in Chicago, IL

Laksan Technologies

Java Fullstack Developer

Chicago, IL · On-site

$54 - $69.75/hr

Java Fullstack Developer Location: Chicago, Illinois Job Type: C2C Onsite Long-term We are looking ... The ideal candidate will have strong expertise in Java-based back-end development and React-based ...

ELEKS

Senior Scala Developer

Chicago, IL · On-site

$124K - $161K/yr

Responsibilities : • Design, develop, and maintain scalable backend services using Scala and Java ... cross-functional engineering teams on solution design and implementation • Participate in ...

COGENT Infotech

Senior Java Developer

Chicago, IL · On-site

$59 - $75.25/hr

Responsibilities : • Design, develop, and maintain scalable enterprise applications using Java as the core programming language. • Build and support back-end services using Spring Boot, Spring ...

ELEKS

Lead Java Developer

Chicago, IL · On-site

ELEKS is a software development and engineering company seeking a Lead Java Developer. The role ... 17+ and backend development • Experience developing scalable software applications using ...

Photon

Android Developer

Deerfield, IL · On-site

$56.75 - $74.50/hr

Evaluate compatibility of applications with existing APIs, backend systems, and mobile device ... Strong proficiency in Kotlin and/or Java. * Experience with Android SDK, Android Studio, and ...

Addison Group

Lead Java Developer

Addison, IL

Design and architect scalable solutions for our public- and consultant facing web sites, back-end ... Mentors other developers on the team or across other teams. Self motivated and directed, with the ...

Altruist

Staff Back End Engineer, Trading

Chicago, IL · On-site +1

... Back End Engineers to join our growing Trading team. This role will be remote for candidates ... speed on modern tech stacks (Java, Spring Boot, Microservices, AWS, Postgres, Kubernetes)

Addison Group

Lead Java Developer

Addison, IL · On-site

Design and architect scalable solutions for our public- and consultant facing web sites, back-end ... Mentors other developers on the team or across other teams. Self motivated and directed, with the ...

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All JobsOn Call Java Back End Developer JobsOn Call Java Back End Developer Jobs in Chicago, IL

On Call Java Back End Developer information

See Chicago, IL salary details

$16

$58

$79

How much do on call java back end developer jobs pay per hour?

As of Jul 10, 2026, the average hourly pay for on call java back end developer in Chicago, IL is $58.41, according to ZipRecruiter salary data. Most workers in this role earn between $50.53 and $65.38 per hour, depending on experience, location, and employer.

What is the difference between On Call Java Back End Developer vs Java Software Engineer?

AspectOn Call Java Back End DeveloperJava Software Engineer
Primary RoleProvides on-demand backend support, troubleshooting, and quick fixes for Java applicationsDesigns, develops, and maintains Java-based software solutions
Work EnvironmentOften on-call, reactive, and support-focusedDevelopment-focused, project-oriented
Required SkillsJava, troubleshooting, problem-solving, quick responseJava, software design, coding, testing
CertificationsJava certifications beneficialJava certifications beneficial

While both roles require Java expertise and similar certifications, the On Call Java Back End Developer primarily handles urgent support and troubleshooting tasks, often working outside regular hours. In contrast, the Java Software Engineer focuses on designing and developing Java applications in a proactive manner. The roles differ mainly in their focus—reactive support versus proactive development—though they share core Java skills and certifications.

What are the most commonly searched types of Java Back End Developer jobs in Chicago, IL? The most popular types of Java Back End Developer jobs in Chicago, IL are:
On Call Java Back End Developer jobs near you
Java Fullstack Developer

Java Fullstack Developer

Laksan Technologies

Chicago, IL • On-site

$54 - $69.75/hr

Contractor

Re-posted 9 days ago

Job description

Job Title: Java Fullstack Developer
Location: Chicago, Illinois
Job Type: C2C
Onsite
Long-termJob Description:We are looking for a talented and driven Full-Stack Developer to join our team in Chicago, IL. The ideal candidate will have strong expertise in Java-based back-end development and React-based front-end development. You will be responsible for designing, developing, and maintaining full-stack web applications that are scalable, secure, and user-friendly.Responsibilities:Develop and maintain scalable web applications using Java (Spring Boot) and React.Design RESTful APIs and integrate with third-party services.Collaborate with UX/UI designers, product managers, and QA engineers to deliver high-quality software.Participate in code reviews, design discussions, and agile development processes.Optimize application performance and ensure responsiveness across devices.Write clean, maintainable, and well-documented code.Requirements:10+ years of experience as a Full-Stack Developer or similar role.Proficient in Java and frameworks such as Spring Boot.Strong hands-on experience with React.js, including hooks and state management.Solid understanding of front-end technologies (HTML5, CSS3, JavaScript, TypeScript).Experience building RESTful APIs and working with JSON.Familiarity with databases like PostgreSQL, MySQL, or MongoDB.Knowledge of Git, CI/CD pipelines, and agile development practices.Strong problem-solving skills and attention to detail.Bachelor’s degree in Computer Science, Engineering, or a related field (or equivalent experience).