ZipRecruiter

Log In

1

Contract Java Developer Jobs in Illinois (NOW HIRING)

Stem Xpert

Java/Ember Developer

Bloomington, IL · On-site

$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 ...

Varsity Tutors

Java Tutor

Chicago, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Skokie, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Dekalb, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Evanston, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Wheaton, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Oak Lawn, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Schaumburg, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Buffalo Grove, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Highland Park, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Des Plaines, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Naperville, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

Varsity Tutors

Java Tutor

Lake Forest, IL · Remote

$18 - $40/hr

Deep knowledge of Java syntax, object-oriented programming principles, inheritance, polymorphism ... Varsity Tutors does not contract in: Alaska, California, Colorado, Delaware, Hawaii, Maine, New ...

next page

Showing results 1-20

All JobsContract Java Developer JobsContract Java Developer Jobs in Illinois

Contract Java Developer information

See Illinois salary details

$15

$54

$75

How much do contract java developer jobs pay per hour?

As of Jul 8, 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.

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
Blockchain Developer(Java Springboot)

Blockchain Developer(Java Springboot)

Judge Group, Inc.

Chicago, IL • On-site

$70 - $90/hr

Other

Posted 2 days ago

Job description

Location: Chicago, IL Salary: $70.00 USD Hourly - $90.00 USD Hourly Description:
Our client is currently seeking a Blockchain Developer(Java Springboot)
Key Responsibilities
  • Architect, develop, and deploy decentralized applications (dApps) with permissioned access at both smart contract and protocol levels
  • Design, build, and interact with smart contracts across major blockchain/DLT platforms
  • Develop blockchain oracles to integrate off-chain data with on-chain systems
  • Build and maintain integration libraries to connect blockchain systems with backend servers and APIs
  • Collaborate with cross-functional teams to gather requirements, define architecture, and estimate delivery timelines
  • Ensure system robustness, including scalability, resiliency, and fault tolerance
  • Provide technical mentorship and promote best practices within the engineering team
  • Develop and maintain comprehensive documentation for blockchain processes and workflows
  • Ensure compliance with data protection regulations, particularly in digital payments
  • Stay updated with the latest advancements in blockchain, cryptography, and cybersecurity

Required Qualifications
  • Bachelor's degree in Computer Science, Information Technology, or a related field
  • Proven experience as a Blockchain Developer or in a similar role
  • Strong hands-on experience with Java Spring Boot (mandatory)
  • Solid understanding of the software development lifecycle (SDLC)
  • Proficiency in one or more programming languages such as Solidity, Java, Node.js, Python, Go, or Rust
  • Strong knowledge of data structures and algorithms
  • Experience with cryptographic techniques and secure system design
  • Understanding of cybersecurity principles, standards, and common attack vectors
  • Ability to design scalable, high-performance systems
  • Strong problem-solving skills and ability to work independently or within a team

By providing your phone number, you consent to: (1) receive automated text messages and calls from the Judge Group, Inc. and its affiliates (collectively "Judge") to such phone number regarding job opportunities, your job application, and for other related purposes. Message & data rates apply and message frequency may vary. Consistent with Judge's Privacy Policy, information obtained from your consent will not be shared with third parties for marketing/promotional purposes. Reply STOP to opt out of receiving telephone calls and text messages from Judge and HELP for help.
Contact:
This job and many more are available through The Judge Group. Please apply with us today!

Apply