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Core Java Jobs in Chicago, IL (NOW HIRING)

Jobsbridge

JAVA Web UI developer

Chicago, IL · On-site

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 ...

Georgia IT Inc

Java Support Lead-Chicago, IL

Chicago, IL · On-site

$100K/yr

Strong development experience in Core JAVA/J2EE, EJB3, JSP,SPRING,STRUTS, HIBERNATE, Web services * Good to have HTML 5,Jquery, JavaScript,CSS * Good communication skills * Good analytical and ...

New

RIT Solutions

Java Developer

Chicago, IL · Hybrid

$52.50 - $68/hr

Web Services, Object Model, Core Java, XML, Enterprise, Java Beans, JMS. * Experience with Angular and AWS * Locally based in Chicago/NY/NJ or nearby * Can work 3x a week in the office and day 1 ...

Purple Drive

Java Architect

Chicago, IL · On-site

$65 - $87.75/hr

Develop and optimize backend services using Core Java, Spring Boot, and Microservices architecture . * Build high-performance, fault-tolerant systems for real-time data processing. 3. Kafka ...

Purple Drive Technologies

Java Architect

Chicago, IL · On-site

$65 - $87.50/hr

Develop and optimize backend services using Core Java, Spring Boot, and Microservices architecture . * Build high-performance, fault-tolerant systems for real-time data processing. 3. Kafka ...

SynergisticIT

Entry Level Java Developer

Northbrook, IL · On-site

Candidates having basic knowledge or with one or two years of experience in JAVA, C++, Core JAVA. Candidates looking to upskill/enhance their IT skills. Candidates who are serious about their future ...

Seven Seven Software

Java Developer

Chicago, IL · On-site

$52.50 - $68/hr

* Strong experience in Core Java (Java 11+), Functional Programming, Spring, ORM (JPA/Hibernate), Unit Testing & Integration Testing * Proficient in RDBMS (Oracle), SQL, and Unix Scripts * Experience ...

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 ...

SynergisticIT

Entry-Level Java Developer

Chicago, IL · On-site

$65K - $110K/yr

Computer Engineering Skills Required 0 to 2 years of experience in Java development Understanding of the software development life cycle Basic knowledge of Core Java Excellent written and verbal ...

Kaav Inc.

Java Full Stack Developer

Chicago, IL · On-site

$54 - $69.75/hr

Minimum 8 years of Java Applications Development work experience Solid application design, coding, testing, maintenance and debugging skills Solid experience in Core Java, Spring Framework ...

Comtech LLC

Java Developer - Lead

Chicago, IL · On-site

Excellent knowledge in Core Java (Data Structures, Algorithms, I/O, NIO, Multi-Threading) * Excellent knowledge of Spring Framework (Spring Boot, Spring MVC, Spring Integration & Spring batch are the ...

Jobsbridge

Java Front End Developer

Chicago, IL · On-site

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Mandatory Skills: 8-10 years of experience in browser based UI development.

Jobsbridge

Java Front End Developer

Chicago, IL · On-site

Be it core Java, full-stack Java, Web/UI designers, Big Data or Cloud or Mobility developers/architects, we have them all. Mandatory Skills: 8-10 years of experience in browser based UI development.

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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 Jun 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 are the key skills and qualifications needed to thrive as a Core Java Developer, and why are they important?

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 are some typical challenges 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 Core Java developers?

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.

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 May 2026, with employment types broken down into 71% Full Time, 2% Part Time, 24% Contract, and 3% Nights. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution, with an average salary of $128,496 per year, or $61.8 per hour.
Core Java/Spring with Apache Camel

Core Java/Spring with Apache Camel

Sonsoft Inc

Chicago, IL • On-site

Full-time

Posted 9 days ago

Job description

Company Description

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description
  • At least 2 years of Core Java/Spring experience
  • Expert knowledge and strong hands on experience with integration design & implementation using Apache Camel framework.
  • At least 2 years of experience with open source ESB or any vendor product -Apache ServiceMix or RedHat JBoss Fuse is preferred
  • At least 2 years of experience with Enterprise Integration patterns and SOA patterns.
  • Strong Message Queuing solution knowledge- IBM MQ experience is needed
  • At least 2 years of experience with Fault Handling, Compensation Handling and Transactional Boundaries.
  • At least 2 years of experience with Restful API design, development and documentation.
  • Solid understanding of various container architecture like Apache Tomcat, Red hat Fuse, EAP, WebSphere etc.
  • Knowledge on Gradle build scripting and continuous integration using TeamCity.
  • In depth knowledge on various open source libraries needed for a standard integration project.
  • At least 1 year experience with test driven development
  • Ability to break up complex design into phased approaches
  • At least 2 years of experience in translating functional/non-functional requirements to system requirements.
  • At least 2 years of experience in software development life cycle.
  • Experience and understanding of in Production support and performance engineering.
Qualifications
  • Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.
  • At least 2 years of experience with Information Technologies.
Additional Information

** U.S. citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time.

Note:-

  1. This is a Full-Time Permanent job opportunity for you.
  2. Only US Citizen, Green Card Holder, GC-EAD, H4-EAD & L2-EAD can apply.
  3. No OPT-EAD, TN Visa & H1B Consultants please.
  4. Please mention your Visa Status in your email or resume.
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About Sonsoft

Sourced by ZipRecruiter

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007

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