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Contract Java Developer Jobs in Illinois (NOW HIRING)

Apex Systems

Java Developer III

Chicago, IL · Remote

$52.50 - $68/hr

Java Developer III Location: Chicago, IL (Partial Remote) Employment Type ... Contract Role Overview As a software developer, you will be responsible for the development of ...

Atria Group LLC

Portal java developer

Naperville, IL · On-site

Portal java developer. ADF and Fusion skills preferred Please with your top candidate indicate how ... Duration: 6 months contract to hire * Candidate must have excellent verbal and written ...

Apex Systems

Java Developer III

Chicago, IL · On-site +1

$52.50 - $68/hr

Job#: 3030975 Java Developer III Location: Chicago, IL (Partial Remote) Employment Type ... Contract Role Overview As a software developer, you will be responsible for the development of ...

Tachyon Technologies

Java Multiple roles

Chicago, IL

$75 - $85/hr

Contract Duration: 6 Months+ Looking for a Sr. Developer with min. 8 yrs. of experience in ... Java certification is highly desired. The Senior Software Developer reports to the Application ...

Samprasoft

JPC - Java Developer (Full Stack)

Schaumburg, IL · On-site

$51.75 - $66.75/hr

Sr. Java Engineer Location: Schaumburg, IL OR Eden Prairie, MN Duration: 12 Months Contract with possible extension Required Skills: Java, J2EE, Spring Boot, REST, Microservices, CI/CD, Agile ...

SYSTEGRATION INC

Be Seen First

Sr. Backend Java Developer

Chicago, IL · On-site

$124.10K - $161.20K/yr

We are helping our Direct Client (Fortune 100 company) to look for Top Notch/Expert Sr. Backend Java Developer for 100% Onsite Multi-Year Contract role in Chicago Downtown, Immediate Start! Client ...

SYSTEGRATION INC

Be Seen First

Sr. Backend Java Developer

Chicago, IL · On-site

$124.10K - $161.20K/yr

We are helping our Direct Client (Fortune 100 company) to look for Top Notch/Expert Sr. Backend Java Developer for 100% Onsite Multi-Year Contract role in Chicago Downtown, Immediate Start! Client ...

Dellfor Technologies

Senior JAVA Developer

Chicago, IL

$80K/yr

... Java, J2EE and web/internet based programming experience (both client and server side) 5+ ... Contract Salary: $80,000.00 /year Required education: * Bachelor's Required experience: * Developer ...

Stem Xpert

Java/Ember Developer

Bloomington, IL

$49 - $63.25/hr

Java/Ember Developer Position Type: Contract Location: Bloomington, IL, United States Description: Required: Strong skills with the Ember.js framework Knowledge of the Ember 2.0 Roadmap Deep ...

AceStack LLC

Java Angular with GCP

Chicago, IL · On-site

$52.50 - $68/hr

Chicago, IL (Onsite) Contract Job Summary • We are looking for a skilled Java Angular Developer with hands-on experience in Google Cloud Platform (GCP) to build scalable, cloud-native applications ...

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Contract Java Developer information

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$15

$54

$75

How much do contract java developer jobs pay per hour?

As of May 28, 2026, the average hourly pay for contract java developer in Illinois is $54.94, according to ZipRecruiter salary data. Most workers in this role earn between $47.50 and $61.49 per hour, depending on experience, location, and employer.

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

To thrive as a Contract Java Developer, you need strong Java programming skills, experience with object-oriented design, and a solid understanding of software development lifecycles, typically supported by a relevant degree or certifications. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git is commonly required. Excellent problem-solving, adaptability, and clear communication skills help you efficiently integrate with new teams and projects. These abilities ensure you can quickly deliver high-quality, maintainable code that meets client requirements in a dynamic contract environment.

What are some common challenges faced by Contract Java Developers when integrating with existing teams and projects?

Contract Java Developers often need to quickly adapt to unfamiliar codebases and team workflows, which can be challenging given tight project timelines. Effective communication is essential, as they must coordinate with permanent staff, understand project requirements, and align with established coding standards and deployment processes. Many contractors also need to manage multiple projects or clients simultaneously, requiring strong time management skills. Proactively seeking clarity on expectations and leveraging onboarding resources can help ease the integration process.

What are Contract Java Developers?

Contract Java Developers are software professionals who specialize in the Java programming language and are hired on a contract basis, rather than as permanent employees. They typically work for a set period of time or on a specific project, developing, testing, and maintaining Java-based applications according to the client’s requirements. These developers are often brought in to provide specialized expertise, handle workload spikes, or complete short-term projects. Their roles may include writing code, fixing bugs, integrating systems, and ensuring applications meet performance and security standards.

Do companies still hire Java developers?

Yes, companies continue to hire Java developers due to the language's widespread use in enterprise applications, Android development, and backend systems. Java developers with skills in frameworks like Spring and experience with cloud platforms are in consistent demand across various industries.

What is the difference between Contract Java Developer vs Contract Software Engineer?

AspectContract Java DeveloperContract Software Engineer
Required CredentialsBachelor's in Computer Science, Java certificationsBachelor's in Computer Science or related, various programming certifications
Work EnvironmentDevelopment teams, client sites, remote optionsDevelopment teams, client sites, remote options
Industry UsageTech, finance, healthcare, e-commerceTech, finance, healthcare, e-commerce
Search & Comparison IntentFocus on Java-specific roles, Java projectsBroader software development roles, multiple languages

Contract Java Developers specialize in Java programming and are often sought for Java-specific projects. Contract Software Engineers have a broader scope, working with multiple programming languages and technologies. Both roles are common in tech industries and share similar work environments, but the Java Developer role is more focused on Java expertise.

What are the most commonly searched types of Java Developer jobs in Illinois? The most popular types of Java Developer jobs in Illinois are:
What are popular job titles related to Contract Java Developer jobs in Illinois? For Contract Java Developer jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Contract Java Developer jobs in Illinois look for? The top searched job categories for Contract Java Developer jobs in Illinois are:
What cities in Illinois are hiring for Contract Java Developer jobs? Cities in Illinois with the most Contract Java Developer job openings:
Contract Java Developer jobs near you
Infographic showing various Contract Java Developer job openings in Illinois as of May 2026, with employment types broken down into 41% Full Time, 31% Part Time, and 28% Contract. Highlights an 32% In-person, and 68% Remote job distribution, with an average salary of $114,278 per year, or $54.9 per hour.
Java Developer III

Java Developer III

Apex Systems

Chicago, IL • Remote

$52.50 - $68/hr

Full-time

This job post has expired today. Applications are no longer accepted.

Job description

Java Developer III
Location: Chicago, IL (Partial Remote)
Employment Type: Contract
Role Overview
As a software developer, you will be responsible for the development of mission-critical applications. This role involves building high-performing, real-time middleware solutions in the domains of Baggage, Flight Operations, Reservation Management, and Check-in. You will focus on building data caches, real-time messaging applications, and delivering cloud-based solutions using current technologies and enterprise-grade integration software.
Key Responsibilities

  • Participate in the full development life cycle, including requirements analysis and design.
  • Serve as a technical expert on development projects, writing technical specifications based on conceptual design and business requirements.
  • Support, maintain, and document software functionality.
  • Identify and evaluate new technologies for implementation.
  • Analyze code to find causes of errors and revise programs as needed.
  • Participate in software design meetings and analyze user needs to determine technical requirements.
  • Consult with end-users to prototype, refine, test, and debug programs to meet needs.
  • Conduct complex work critical to the organization with latitude for independent judgment.
  • May mentor less experienced peers and display leadership as needed.
Required Qualifications
Experience: A minimum of 4 years of experience in designing, developing, documenting, testing, and debugging new and existing software systems or applications. The role is for a senior level with greater than 8 years of experience.
Technical Skills:
  • Hands-on experience in designing and developing applications using Java EE platforms.
  • Strong knowledge of object-oriented systems design, Java, SQL, and design patterns.
  • 2 years of Java and Web Services development.
  • Profound insight of Java and JEE internals (Classloading, Memory Management, Transaction management).
  • Excellent knowledge of Relational Databases, SQL, and ORM technologies (JPA2, Hibernate).
  • Experience in the Spring Framework and at least one popular web framework (e.g., JSF, Wicket, GWT, Spring MVC).
  • Proficiency in software development best practices such as Continuous Integration, and Unit/Integration testing.

Preferred Qualifications
  • Well-versed with Core Java and the Log4J framework.
  • Experience as a Senior Developer/Architect mentoring teams and leading design.
  • Experience with legacy messaging system migrations, such as TIBCO/MQ to a KAFKA-based architecture.
  • Experience developing applications on AWS; an AWS certified Developer is preferred.
  • Experience with DevOps tools and practices, including Harness, CVS, SVN, Github, Maven, Jenkins, and Gradle for CI/CD.
  • Experience creating reports/dashboards for application usage analytics.
Compensation & Benefits
This employer is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.
Apex uses a virtual recruiter as part of the application process. Click here for more details.
If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Benefits Department at [email protected] or 804-523-8228.
Everforth Apex is a world-class IT services company that serves thousands of clients across the globe. When you join Everforth Apex, you become part of a team that values innovation, collaboration, and continuous learning. We offer quality career resources, training, certifications, development opportunities, and a comprehensive benefits package. Our commitment to excellence is reflected in many awards, including ClearlyRated's Best of Staffing in Talent Satisfaction in the United States and Great Place to Work in the United Kingdom and Mexico. Everforth Apex uses a virtual recruiter as part of the application process. Click here for more details.

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