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

SYSTEGRATION INC

Sr. Backend Java Developer

Chicago, IL · On-site

$124K - $161K/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

Sr. Backend Java Developer

Chicago, IL · On-site

$124K - $161K/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 ...

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Showing results 1-20

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 24, 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 Azure Lead::Chicago IL(Onsite)

Java Azure Lead::Chicago IL(Onsite)

talentmovers inc

Chicago, IL • On-site

Contractor

Posted 18 days ago

Job description

Position Details

Requirement

Role

Java Azure Lead

Location

Chicago IL

Type of Hire - Contract/ C2H

CTH

Rate (Max)

ON C2H

Duration

Long Term Contract

Number of Interviews

AI CBIE Assessment + 2 Rounds

In person interviews Yes/No

No

Client Interview Yes/No

Yes

Position requirements

Onsite

Job Description

Candidate must have:

 

10+ years of Java development experience must have JDK 8 or above experience.

Expert in Core Spring, Spring cloud, Spring boot, Spring Integration, Kafka, Azure Event Hub and software design (design patterns and best practices).

Experience with Microservice architecture and Domain driven design.

Experience with writing test automation for regression test.

Experience utilizing technologies such as REST, java web application, JMS, Junit,  MQ, XML technologies, XSL transformations, JAXB, Web Services.

Experience developing within an agile development environment using continuous integration tools: Maven, Bamboo, Github, Gradle and Sonar.

Demonstrated ability to adapt to new environments and learn new technologies.

Strong analytical thinking and problem solving skills.

Strong oracle Oracle SQL experience.

Messaging experience with JMS, Solace in a high volume and high throughput environment.

Experience with performance tuning, load testing, integrating internal application with external hosted application.

Experience with Change Management process.

 

Preferred/ Recommended:

 

Experience with development tools Eclipse, IntelliJ, Oracle , SQL Server tools.

Experience in working with Kafka, spring cloud stream, Azure Cloud and Pivotal cloud foundry (PCF).

Familiarity with Azure Cloud, Azure Event Hub, Azure Spring Apps, Azure SQL Database and Azure Cache for Redis

Familiarity with Terraform (Iaac) with Azure.

Experience with Java Web application development

Experience with React UI development

Some exposure to .Net/c# development.

Ability to write Unix/Perl scripts if needed.

Familiar with Financial market/instrument/Trade lifecycle.

 

 

Major Duties

 

Develops and maintains computer programs, including designing, coding, testing, debugging, and installation as needed.

Consults with partners from systems and other business units regarding new techniques, practices, or technologies in data processing and the impact of proposed and ongoing projects.

Conducts feasibility studies and defines and designs system requirements for complex software development projects.

Develops software solutions by studying information needs; conferring with users; studying systems flow, data usage, and work processes; investigating problem areas; following the software development lifecycle.

Translate application storyboards and use cases into functional applications

Design, build, and maintain efficient, reusable, and reliable applications.

Ensure the best possible performance, quality, and responsiveness of the applications

Identify bottlenecks and bugs, and devise solutions to these problems.

Work with team to define and implement architecture direction.

Work within an agile development process to deliver quality solutions on a predictable schedule.

Update knowledge and skills to keep up with rapid advancements in industry technological advances and software technology, including languages, operating systems, development tools, etc.

Scrum/Team requirements

Experience in working with Agile/Scrum methodology for delivering business capability

Enthusiastic in expanding breadth of secondary and tertiary technical skills and business expertise

Strong and broad breadth of Agile knowledge and collaboration skill

Interested in expanding Agile engineering practice skillset

Experienced in actively identify impediments and resolve within the team where possible; escalate when needed

 

General Requirements

 

Basic understanding of Software Development Lifecycle

Self-starter and works effectively with minimal direction

Ability to manage multiple projects and adapt to changing priorities.

Ability to thrive in a fast-paced, team-oriented work environment.

Strong written and verbal English communication skills.

Keen attention to detail.

Ability to establish and maintain effective working relations with a wide variety of individuals.

Ability to represent the company in a positive and professional manner.

Ability to work well both independently and as a member of a team.

Prior experience working with Scrum.

 

Experience

 

Bachelor degree in Computer Science or a related discipline