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Core Java Jobs in Chicago, IL (NOW HIRING)

Judge Group, Inc.

Core Java - Intermediate

Chicago, IL · On-site

$60 - $61/hr

Our client is currently seeking a Core Java - Intermediate Must have skills Java/springboot AWS past data experience - spark language NICE to have skills kubernetes CICD pipeline python Additional ...

Sonsoft Inc

Core Java Developer

Chicago, IL

Preferred At least 4 years of experience working on Core Java/Spring . Atleast 4 years of experience with TDD based development and re-engineering of existing application to incorporate unit tests ...

Sonsoft Inc

Core Java Developer

Chicago, IL

Preferred At least 4 years of experience working on Core Java/Spring . Atleast 4 years of experience with TDD based development and re-engineering of existing application to incorporate unit tests ...

Jobsbridge

JAVA Web UI developer

Chicago, IL

Skill JAVA Web UI developer, UI and UX using EXTJS, Angular JS, JQuery, Core JAVA Application development Location Chicago, IL Total Experience 5 yrs. Max Salary Not Mentioned Employment Type Direct ...

Sonsoft Inc

Core Java/Spring Developer

Chicago, IL

$52.50 - $68/hr

Company Description SonSoft is an IT Staffing and consulting firm and duly organized under the laws of the Commonwealth of Georgia. We are growing at a steady pace specializing in the fields of ...

PROLIM Global Corporation

Java Developer

Naperville, IL · On-site

$51 - $66/hr

Strong hands-on experience in Core Java (Multithreading| Collections| Streams| JVM tuning). Extensive experience in Microservices architecture and design patterns. Experience with Spring Framework ...

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Core Java information

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$40

$61

$84

How much do core java jobs pay per hour?

As of Aug 4, 2026, the average hourly pay for core java in Chicago, IL is $61.78, according to ZipRecruiter salary data. Most workers in this role earn between $52.02 and $69.38 per hour, depending on experience, location, and employer.

What skills and qualifications are needed to thrive as a Core Java developer?

To thrive as a Core Java Developer, you need strong proficiency in Java programming, object-oriented principles, data structures, and a relevant degree in computer science or a related field. Familiarity with tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks like Spring is typically required, along with certifications such as Oracle Certified Professional Java Programmer (OCPJP) being advantageous. Excellent problem-solving abilities, attention to detail, and effective communication skills help set standout developers apart. These skills ensure robust, maintainable code and efficient collaboration within software development teams.

What is a Core Java developer?

Core Java developers are software professionals who specialize in building applications using the fundamental features and libraries of the Java programming language. They focus on core concepts such as object-oriented programming, data structures, multithreading, exception handling, and the Java API. Core Java is the foundation for other Java technologies like Java EE, and developers in this role often create desktop, server-side, or foundational components of larger systems. Their expertise is critical in ensuring robust, scalable, and maintainable Java applications.

What is the difference between Core Java vs Java Developer?

AspectCore JavaJava Developer
FocusFundamental Java programming, core APIs, basic application developmentBuilding, testing, and maintaining Java applications, including web and enterprise solutions
SkillsJava syntax, OOP principles, basic APIsCore Java, frameworks (Spring, Hibernate), web technologies
Work EnvironmentLearning and understanding Java fundamentalsDeveloping full applications, debugging, deployment

Core Java refers to the fundamental Java programming language and its core APIs, essential for understanding Java basics. Java Developer, on the other hand, applies these fundamentals to develop complete applications, often using frameworks and additional tools. While Core Java is foundational, Java Developers build on this knowledge to create real-world software solutions.

Can I get a job with Core Java?

Core Java skills are in demand for roles such as Java developer, software engineer, and application programmer. Proficiency in Java programming, understanding of object-oriented concepts, and experience with development tools like Eclipse or IntelliJ IDEA can improve job prospects. Certifications like Oracle Certified Professional can also enhance employability.

Are Core Java jobs still in demand?

Core Java jobs remain in demand across various industries such as finance, healthcare, and technology, especially for roles involving backend development, Android app development, and enterprise applications. Proficiency in Java SE, frameworks like Spring, and related tools enhance employability in this field.

What challenges do Core Java developers face when working on large-scale enterprise applications?

Core Java developers working on large-scale enterprise applications often encounter challenges such as managing complex codebases, ensuring thread safety in concurrent environments, and optimizing application performance. They may also need to integrate with legacy systems and maintain code readability for long-term support. Collaborating effectively with cross-functional teams, including QA, DevOps, and business analysts, is essential to meet project goals and maintain high software quality.
What are popular job titles related to Core Java jobs in Chicago, IL? For Core Java jobs in Chicago, IL, the most frequently searched job titles are:
What job categories do people searching Core Java jobs in Chicago, IL look for? The top searched job categories for Core Java jobs in Chicago, IL are:
Core Java jobs near you
Infographic showing various Core Java job openings in Chicago, IL as of July 2026, with employment types broken down into 1% As Needed, 82% Full Time, 15% Part Time, and 2% Contract. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $128,496 per year, or $61.8 per hour.

Core Java - Intermediate

Judge Group, Inc.

Chicago, IL • On-site

$60 - $61/hr

Other

Re-posted 4 days ago

Job description

Location: Chicago, IL Salary: $60.00 USD Hourly - $61.00 USD Hourly Description: Our client is currently seeking a Core Java - Intermediate
Must have skills
Java/springboot
AWS
past data experience - spark language
NICE to have skills
kubernetes
CICD pipeline
python
Additional Skills - aws managed services like glue etl, step functions, glue crawlers, kubernetes, containerization, CICD; ETL tools; Java; Java script; Core Java
Looking for curious, aws certified, Java,ETL engineer.
Description
Job responsibilities
Develop and maintain applications using Apache Spark and Java
Work with different aspects of spark echo system including Datasets, Spark SQL and Scalability support
Work with business analysts and lead engineers to understand requirements and designs for implementing software solutions
Work on performance improvement activities to support spark applications to process millions of data elements everyday
Production support and troubleshooting activities to uncover the issues in the spark applications
Contributes to software engineering communities of practice and events that explore new and emerging technologies
Adds to team culture of diversity, equity, inclusion, and respect
Required qualifications, capabilities, and skills
Formal training or certification on software engineering concepts and 3+ years applied experience
Work experience on Data Engineering domain
Hands-on practical experience in system design (simple), application development, testing, and operational stability
Proficient in coding in one or more languages including Java
Experience in developing, debugging, and maintaining code in a corporate environment with Java, Spark Framework and Database querying languages (any SQL usage experience)
Overall knowledge of the Software Development Life Cycle
Experience working in an Agile Software Development Environment
Preferred qualifications, capabilities, and skills
Exposure to cloud technologies such as AWS, Kubernetes and Kafka
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