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Java Contract Jobs in Buffalo Grove, IL (NOW HIRING)

Addison Group

Java Developer

Chicago, IL · On-site

$50 - $55/hr

Java Developer Industry: Information Technology / Software Development Location (City, State ... Chicago, IL Assignment Type: 6+ Month Contract Pay: $50/hr-$55/hr Work Schedule: Hybrid Schedule ...

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 ...

SYSTEGRATION INC

Java Kubernetes Expert

North Chicago, IL · On-site

$49 - $63.50/hr

Java Kubernetes Expert for Long-Term Contract Position for 100% Onsite in North Chicago. Job References and Drug Screen are Required. Client - E-commerce. Visa - open 100% onsite Location - Local to ...

SYSTEGRATION INC

Java Kubernetes Expert

North Chicago, IL · On-site

$49 - $63.50/hr

Java Kubernetes Expert for Long-Term Contract Position for 100% Onsite in North Chicago. Job References and Drug Screen are Required. Client - E-commerce. Visa - open 100% onsite Location - Local to ...

360 IT Professionals

Java Developer

Chicago, IL

$52.50 - $68/hr

We have more than 30 IT Staffing Services contracts across USA and working closely with Fortune 500 ... Java Developer Work Location: US-IL-Chicago Duration: 06 months Responsibilities include : Position ...

Apex Systems

Java Developer

Chicago, IL · On-site

$52.50 - $68/hr

Chicago, Illinois (Hybrid) Duration: 6 month contract w/extension Role Overview We are seeking a motivated and detail-oriented Java Developer to join our growing engineering team. In this role, you ...

Staffingine LLC

Senior Java Full stack Developer

Chicago, IL · On-site

$59 - $75.25/hr

Contract * Design, develop, and maintain web applications using Next.js, ReactJS, and the Fitch design system. * Implement back-end services and RESTful APIs using Java (Spring Boot), Spring Data ...

Dellfor Technologies

Java Architect

Chicago, IL

$60K/yr

Java EE framework and system development * Experience with use cases, process flows, and UML ... Job Type: Contract Salary: $60,000.00 /year Required education: * Bachelor's Required experience:

TekWissen LLC

Java Support Engineer

Chicago, IL · On-site

Contract Work Type: Onsite Summary: * We are seeking a highly skilled Java Support Engineer with 8+ years of experience, proficient in Unix support with shell scripting, PL/SQL, and banking ...

PTR Global

Java AI Platform Engineer

Chicago, IL · On-site

$53.25 - $73.25/hr

Contract Job ID: 178347 Job Overview: We are seeking a highly skilled and experienced Java Developer IV to join our team in Chicago, Illinois. This role focuses on hands-on design, development, and ...

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All JobsJava Contract JobsJava Contract Jobs in Buffalo Grove, IL

Java Contract information

See Buffalo Grove, IL salary details

$16

$58

$79

How much do java contract jobs pay per hour?

As of Jul 23, 2026, the average hourly pay for java contract in Buffalo Grove, IL is $58.15, according to ZipRecruiter salary data. Most workers in this role earn between $50.29 and $65.10 per hour, depending on experience, location, and employer.

What are some common challenges faced by Java contractors and how can they be managed effectively?

Java contractors often work on short-term projects or fill skill gaps in development teams, which can present challenges such as quickly adapting to new codebases and varying team dynamics. To manage these effectively, it’s important to have strong communication skills, a proactive approach to understanding project requirements, and the ability to rapidly learn existing systems. Building rapport with permanent team members and maintaining thorough documentation can also help ease the transition. Staying current with Java frameworks and tools further ensures you can contribute value from day one.

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

To thrive as a Java Contractor, you need strong proficiency in Java programming, experience with object-oriented design, and a solid understanding of software development methodologies, often supported by a relevant degree or certifications like Oracle Certified Professional Java Programmer (OCPJP). Familiarity with development tools such as Eclipse or IntelliJ IDEA, version control systems like Git, and frameworks such as Spring or Hibernate is typically required. Excellent problem-solving, adaptability, and communication skills help you collaborate with diverse teams and quickly respond to project changes. These skills ensure high-quality, maintainable code and successful completion of contract-based software projects.

What is the difference between Java Contract vs Java Developer?

AspectJava ContractJava Developer
CredentialsTypically requires Java certifications, experience in contract rolesRequires Java certifications, degree in computer science or related field
Work EnvironmentProject-based, short-term assignments, flexible hoursFull-time, ongoing employment, structured work hours
Employer & Industry UsageUsed by companies for specific projects, consulting firmsEmployed directly by companies, tech firms, or agencies
Search & Comparison IntentOften compared for contract opportunities, flexibilityCompared for full-time roles, career growth

Java Contract roles are typically project-based, offering short-term assignments with flexible schedules, ideal for those seeking variety or freelance work. Java Developers usually work full-time, with ongoing responsibilities and career development opportunities. Both roles require Java certifications and experience, but differ mainly in employment type and work environment.

What is a Java contract job?

A Java contract job is a temporary position where a programmer is hired to work on projects using the Java programming language for a fixed period, rather than as a permanent employee. Contractors are often brought in to fill skill gaps, complete specific projects, or handle increased workloads. These roles can be full-time or part-time and typically last from a few months to over a year, depending on the project's needs. Contractors may work onsite or remotely and are usually paid hourly or by project milestone. Java contract jobs offer flexibility and the opportunity to work with a variety of companies and technologies.
What are popular job titles related to Java Contract jobs in Buffalo Grove, IL? For Java Contract jobs in Buffalo Grove, IL, the most frequently searched job titles are:
What job categories do people searching Java Contract jobs in Buffalo Grove, IL look for? The top searched job categories for Java Contract jobs in Buffalo Grove, IL are:
What cities near Buffalo Grove, IL are hiring for Java Contract jobs? Cities near Buffalo Grove, IL with the most Java Contract job openings:
Java Contract jobs near you
Infographic showing various Java Contract job openings in Buffalo Grove, IL as of July 2026, with employment types broken down into 10% Full Time, 15% Part Time, and 75% Contract. Highlights an 95% In-person, and 5% Remote job distribution, with an average salary of $120,944 per year, or $58.1 per hour.
Java Developer

Java Developer

Addison Group

Chicago, IL • On-site

$50 - $55/hr

Contractor

Medical, Dental, Vision, Retirement

Posted 12 hours ago

Job description

Job Title: Java Developer

Industry: Information Technology / Software Development

Location (City, State): Chicago, IL

Assignment Type: 6+ Month Contract

Pay: $50/hr-$55/hr

Work Schedule: Hybrid Schedule – Onsite Tuesday, Wednesday, and Thursday

Benefits: This position is eligible for medical, dental, vision, and 401(k).

About The Company:

Our client is a technology-driven organization focused on building scalable, modern software solutions that support critical business operations and customer experiences. Their engineering teams leverage cloud technologies, microservices architecture, and API-first development practices to deliver high-quality applications in a collaborative environment.

Job Description:

We are seeking a Java Developer to join a growing software engineering team responsible for developing and supporting backend services and enterprise integrations. This role will focus on designing, building, and maintaining Java-based applications while helping to create scalable APIs and microservices that connect critical business platforms. The ideal candidate is passionate about software development, enjoys solving complex technical challenges, and thrives in an Agile environment.

Key Responsibilities:

  • Develop and maintain backend applications utilizing Java and Spring Boot.
  • Design, build, and enhance RESTful APIs and service integrations.
  • Troubleshoot application issues and implement solutions to improve performance and reliability.
  • Collaborate with engineering, DevOps, and business teams to deliver scalable software solutions.
  • Support microservices-based applications and distributed system architectures.
  • Assist with containerized application deployments and environment management.
  • Contribute to event-driven solutions utilizing messaging technologies and integration frameworks.
  • Create and maintain API documentation and technical specifications.
  • Participate in code reviews and promote development best practices.
  • Support authentication, authorization, and API security initiatives.
  • Monitor application health and assist with ongoing optimization efforts.
  • Participate in Agile ceremonies including sprint planning, standups, and retrospectives.

Qualifications:

  • 2-4 years of professional software development experience.
  • Strong hands-on experience with Java development.
  • Experience building applications using Spring Boot.
  • Proven experience designing and supporting RESTful APIs.
  • Understanding of microservices architecture and distributed applications.
  • Experience with Git or similar version control tools.
  • Familiarity with Kubernetes, Docker, or containerized environments.
  • Exposure to messaging platforms such as Kafka, RabbitMQ, or similar technologies.
  • Experience utilizing API documentation tools such as Swagger or OpenAPI.
  • Understanding of API gateways, OAuth, and secure API design principles.
  • Strong analytical, troubleshooting, and problem-solving abilities.
  • Bachelor's degree required.

Additional Details:

  • Hybrid work schedule requiring onsite attendance three days per week in Chicago.
  • Team consists of approximately 15 engineering professionals.
  • Opportunity to support enterprise-level application integration initiatives.
  • Two-step interview process with quick hiring decisions.

Perks:

  • Opportunity to work with modern Java and cloud-based technologies.
  • Exposure to microservices, containerization, and event-driven architectures.
  • Collaborative Agile development environment.
  • Hands-on experience with enterprise-scale software solutions.
  • Professional growth opportunities working alongside experienced engineering teams.
  • High-impact projects with visibility across multiple business functions.

Addison Group is an Equal Opportunity Employer. Addison Group provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. Addison Group complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities. Reasonable accommodation is available for qualified individuals with disabilities, upon request.