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Senior Java Developer Jobs in Crystal Lake, IL (NOW HIRING)

Steris Corporation

Senior Software Engineer

Vernon Hills, IL · On-site

$119K - $157K/yr

Experience with Git or DevOps version control. * Experience with configuration management ... Working knowledge of MFC, Java, React. What STERIS Offers We value our employees and are committed ...

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Senior Java Developer information

See Crystal Lake, IL salary details

$10

$60

$83

How much do senior java developer jobs pay per hour?

As of Sep 10, 2026, the average hourly pay for senior java developer in Crystal Lake, IL is $60.93, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $68.08 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 Crystal Lake, IL?

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

What cities near Crystal Lake, IL are hiring for Senior Java Developer jobs?

Cities near Crystal Lake, IL with the most Senior Java Developer job openings:

Senior Java Developer jobs near you
Infographic showing various Senior Java Developer job openings in Crystal Lake, IL as of August 2026, with employment types broken down into 82% Full Time, 6% Part Time, and 12% Contract. Highlights an 84% Physical, 4% Hybrid, and 12% Remote job distribution, with an average salary of $126,732 per year, or $60.9 per hour.

Senior TIBCO BusinessEvents Engineer - RHEL Migration Lead

Buffalo Grove, IL • On-site

2T Consulting
IT Services • 51 - 200 employees
Learn more about 2T Consultingexternal

Full-time

Posted 15 days ago

Job description

We are seeking a Senior TIBCO BusinessEvents Engineer / Migration Lead to lead the TIBCO BusinessEvents 5.5 to 6.4 upgrade and RHEL 7 to RHEL 9 migration. The role will oversee planning, refactoring, testing, migration waves, cutover, rollback, hypercare, and production stabilization.

Primary Responsibilities

  • Lead the integrated TIBCO BusinessEvents and RHEL migration plan, including sequencing, dependencies, risks, and acceptance criteria.

  • Coordinate technical teams and stakeholders through readiness reviews and go-live decisions.

  • Lead application migration waves, side-by-side server rebuilds, CI/CD deployments, parallel-run validation, cutover, rollback, and hypercare.

  • Ensure BusinessEvents applications are successfully migrated to the hardened RHEL 9 platform.

  • Drive production stabilization and ensure operational documentation is completed.

Required Skills & Experience

  • 15+ years of IT experience, including 5+ years in a technical leadership role.

  • Must have TIBCO BusinessEvents 5.5 to 6.4 upgrade experience.

  • Strong experience with RHEL/Linux migration, particularly RHEL 7 to RHEL 9.

  • Hands-on experience with:

    • TIBCO BusinessEvents

    • TIBCO EMS

    • Java

    • SQL/JDBC

    • Jenkins

    • Terraform

    • Ansible

    • Datadog

  • Strong experience in migration planning, cutover, rollback, hypercare, and production support.

  • Excellent technical leadership, coordination, and stakeholder management skills.

Apply