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Senior Java Developer Jobs in Downers Grove, IL (NOW HIRING)

RIT Solutions, Inc.

Java Architect

Naperville, IL · On-site

$63 - $85/hr

... of senior java developers and be respected for their technical experience, as well as lead them through software and system design. • This role will also interface directly with high level ...

RIT Solutions, Inc.

Java Architect

Naperville, IL · On-site

$63 - $85/hr

... of senior java developers and be respected for their technical experience, as well as lead them through software and system design. • This role will also interface directly with high level ...

Apex Informatics

Java Fullstack Developer

Chicago, IL · On-site

$54 - $69.75/hr

Senior Java Full Stack Software Engineer - Java, kafka, mongodb/postgress/oracle, Angular/React for UI framework - Must have experience with AWS, specifically deployments - Must have some log/monitor ...

Staffingine LLC

Senior Java Full stack Developer

Chicago, IL · On-site

$59 - $75.25/hr

Senior Java Full stack Developer Job Location: Chicago, IL Job Type: Contract * Design, develop, and maintain web applications using Next.js, ReactJS, and the Fitch design system. * Implement ...

ULINE

Senior Software Developer - Java

Glenview, IL · On-site

$96K - $148K/yr

Senior Software Developer - Java Pay from $96,000 to $148,000 per year 2200 S. Lakeside Drive, Waukegan, IL 60085 Are you ready to design, innovate and lead in a collaborative, cutting-edge tech ...

Marmon

Senior Java Software Engineer

Chicago, IL · Hybrid

$128K - $169K/yr

This role is ideal for an experienced developer with strong Java skills, sound engineering judgment ... The Senior Java Software Engineer will report to the IT Delivery Manager and work closely with ...

Marmon

Senior Java Software Engineer

Chicago, IL · Hybrid

$128K - $169K/yr

This role is ideal for an experienced developer with strong Java skills, sound engineering judgment ... The Senior Java Software Engineer will report to the IT Delivery Manager and work closely with ...

Marmon

Senior Java Software Engineer

Chicago, IL · Hybrid

$128K - $169K/yr

This role is ideal for an experienced developer with strong Java skills, sound engineering judgment ... The Senior Java Software Engineer will report to the IT Delivery Manager and work closely with ...

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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All JobsJava Developer JobsSenior Java Developer JobsSenior Java Developer Jobs in Downers Grove, IL

Senior Java Developer information

See Downers Grove, IL salary details

$11

$62

$86

How much do senior java developer jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for senior java developer in Downers Grove, IL is $62.68, according to ZipRecruiter salary data. Most workers in this role earn between $54.90 and $70.05 per hour, depending on experience, location, and employer.

What is a senior Java developer?

Senior Java Developers are experienced software engineers who specialize in using the Java programming language to design, develop, and maintain complex applications. They typically lead development teams, oversee project architecture, and ensure code quality through best practices. In addition to strong coding skills, they often mentor junior developers and collaborate with stakeholders to deliver robust software solutions. Their expertise is crucial in building scalable, high-performance applications across various industries.

What are the key skills and qualifications needed to thrive as a senior Java developer?

To thrive as a Senior Java Developer, you need advanced proficiency in Java programming, experience with software design patterns, and a strong grasp of backend development, often supported by a degree in computer science or related field. Familiarity with frameworks like Spring, build tools such as Maven or Gradle, and version control systems like Git, as well as knowledge of cloud platforms, is typically required. Excellent problem-solving, leadership, and communication skills help you guide teams and collaborate effectively. These competencies are crucial for delivering robust, scalable software solutions and driving technical success within development teams.

What are some common challenges senior Java developers face when working on large-scale enterprise projects?

Senior Java Developers often encounter challenges such as maintaining code quality across large codebases, managing dependencies between modules, and ensuring optimal application performance. Collaborating with cross-functional teams—including QA, DevOps, and product management—requires clear communication and effective problem-solving. Additionally, staying updated with the latest Java frameworks and best practices is essential for delivering scalable and maintainable solutions in complex enterprise environments.

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

AspectSenior Java DeveloperJava Software Engineer
Required CredentialsBachelor's in CS or related, Java certifications often preferredBachelor's in CS or related, Java certifications beneficial
Work EnvironmentTeam lead roles, project management, mentoringDevelopment-focused, coding, testing, and implementation
Employer & Industry UsageTech companies, finance, e-commerceSoftware firms, startups, enterprise IT
Common Search & ComparisonOften compared for experience level and responsibilitiesSimilar roles with slight variations in scope

The main difference between a Senior Java Developer and a Java Software Engineer lies in their responsibilities and experience. Senior Java Developers typically take on leadership, mentoring, and project management roles, while Java Software Engineers focus more on coding, development, and technical implementation. Both roles require strong Java skills and relevant credentials, but the Senior Java Developer usually has more experience and a broader scope of responsibilities.

What are popular job titles related to Senior Java Developer jobs in Downers Grove, IL?

For Senior Java Developer jobs in Downers Grove, IL, the most frequently searched job titles are:

What job categories do people searching Senior Java Developer jobs in Downers Grove, IL look for?

The top searched job categories for Senior Java Developer jobs in Downers Grove, IL are:

What cities near Downers Grove, IL are hiring for Senior Java Developer jobs?

Cities near Downers Grove, IL with the most Senior Java Developer job openings:

Senior Java Developer jobs near you
Infographic showing various Senior Java Developer job openings in Downers Grove, IL as of August 2026, with employment types broken down into 84% Full Time, 6% Part Time, and 10% Contract. Highlights an 80% Physical, 5% Hybrid, and 15% Remote job distribution, with an average salary of $130,378 per year, or $62.7 per hour.

Java Architect

RIT Solutions, Inc.

Naperville, IL • On-site

$63 - $85/hr

Full-time

Re-posted 4 days ago

Job description

Job Summary:
RIT Solutions, Inc. is seeking a Java Architect to modernize a legacy mainframe application. The role involves working closely with offshore teams and executives, designing systems to replace hybrid mainframe/java systems and ensuring high performance with modern technologies.
Responsibilities:
• Must be a strong software architect that has not been too far away from the code (Java), able to work with offshore teams as well as execs to modernize a legacy mainframe application.
• This resource will have an architect on the current team and will work alongside this individual.
• This person should be well versed in modern system and software architecture and design with significant experience in Java, Azure, Kafka, and Mongo or other document databases.
• This person will be hands on designing systems that will replace our hybrid mainframe/java systems in the spaces of Fee Billing, Payment Options, and our books and records system replacement.
• This person should be able to Client out what is needed, inputs/outputs of APIs, and how/when to utilize Kafka.
• The ideal candidate can talk in a room of senior java developers and be respected for their technical experience, as well as lead them through software and system design.
• This role will also interface directly with high level leadership and there will be some scrutiny around these systems.
• These systems will be highly performant and built with the technologies listed above.
Qualifications:
Required:
• Strong software architect with hands-on coding experience in Java
• Ability to work with offshore teams and executives
• Experience in modern system and software architecture and design
• Significant experience in Java, Azure, Kafka, and Mongo or other document databases
• Hands-on experience designing systems to replace hybrid mainframe/java systems
• Ability to define client requirements, inputs/outputs of APIs, and utilization of Kafka
• Ability to communicate effectively with senior Java developers and lead them in software and system design
• Experience interfacing directly with high-level leadership
Preferred:
• Experience with mainframe systems
Company:
Jobdiva Job Portal: https://www1.jobdiva.com/candidates/myjobs/searchjobsdone.jsp?a=xbjdnwgjodtga1y1im2g881fkkeiwd0775lbvq8yqgps8vb2q36w2vj1ga6xxork&compid=-1 Recruitment (contingency search and campus selection). Founded in 2019, the company is headquartered in Arlington, USA, with a team of 201-500 employees. The company is currently Growth Stage.

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