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

Job Title Senior Engineer Corporate Title Vice President Location Cary, NC Who we are In short - an ... Expertise in Java, Spring Boot, NodeJS, Structured Query Language (SQL)/PLSQL, ReactJS * Strong ...

Software Engineer

Schaumburg, IL · On-site

$84K - $120K/yr

... senior engineers • Understand and adapt to existing system designs and technology choices • ... Java, or a similar modern, object-oriented programming language • Strong understanding of ...

Learn from senior engineers and mentors * Document technical decisions and solutions * Share ... Fluency in C#, Java, or a similar modern, object-oriented programming language * Strong ...

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Senior Java Developer information

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How much do senior java developer jobs pay per hour?

As of Jun 20, 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 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.

Is Java outdated in 2026?

Java remains a widely used programming language for senior Java developers in 2026, with ongoing updates and a large ecosystem supporting enterprise applications, Android development, and cloud services. Its stability, performance, and extensive libraries ensure its continued relevance in the software industry.

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.

How much do senior Java developers make?

Senior Java developers typically earn between $100,000 and $150,000 annually, depending on experience, location, and industry. They often possess strong skills in frameworks like Spring and Hibernate and may hold certifications such as Oracle Certified Professional Java SE.

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

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 Senior Java Developers?

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.

Which pays more, C++ or Java?

For a Senior Java Developer, salary differences between C++ and Java roles depend on industry, location, and experience. Generally, C++ developers may earn higher salaries in fields like finance or game development due to specialized skills, while Java developers are often in demand for enterprise applications. Both skills are valuable, and compensation varies based on the specific job market and required expertise.

Is AI replacing Java developers?

AI is automating certain coding tasks and improving software development processes, but it does not replace the need for senior Java developers. Java developers are essential for designing, maintaining, and optimizing complex applications, and their expertise remains valuable despite advancements in AI tools. Skills in problem-solving, system architecture, and understanding AI integration are increasingly important for Java professionals.
What job categories do people searching Senior Java Developer jobs in Crystal Lake, IL look for? The top searched job categories for Senior Java Developer jobs in Crystal Lake, IL 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:
Infographic showing various Senior Java Developer job openings in Crystal Lake, IL as of June 2026, with employment types broken down into 1% As Needed, 89% Full Time, 8% Part Time, 1% Temporary, and 1% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $126,732 per year, or $60.9 per hour.
Sr. Principal Manufacturing Test Engineer (RF Systems)

Sr. Principal Manufacturing Test Engineer (RF Systems)

Northrop Grumman Corporation

Rolling Meadows, IL

Full-time

Medical, Life, PTO

Posted 5 days ago


Northrop Grumman rating

8.1

Company rating: 8.1 out of 10

Based on 340 frontline employees who took The Breakroom Quiz

109th of 518 rated manufacturers


Job description

RELOCATION ASSISTANCE: No relocation assistance availableCLEARANCE REQUIRED FOR START: NoCLEARANCE TYPE: SecretTRAVEL: Yes, 10% of the TimeDescriptionAt Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history.

Northrop Grumman Mission Systems is a trusted provider of mission-enabling solutions for global security. We have awide portfolio of secure, affordable, integrated, and multi-domain systems and technologies. Our differentiated battlemanagement and cyber solutions deliver timely, mission-enabling information and provide superior situational awarenessand understanding to protect the U.S. and its global allies.

Northrop Grumman Mission Systems sector is looking for a Sr. Principal Engineer, Electronics (TPM, MSE) - Manufacturing Test Engineering (RF Systems) located on-site in Rolling Meadows, IL who will lead efforts needed in standing up, modifying and/or sustaining testing capability for aerial, military-grade, or space-grade Electronic Warfare Systems and Subsystems

Manufacturing Engineers thrive in an environment of daily unique challenges and close proximity to products. Engineers who do well in this setting enjoy seeing their work perform in a test or a product, collaborate and communicate well across functions, and are innovative problem solvers. Best suited to this role are those who enjoy learning and bring a sense of urgency and energy to their tasks.

What you will get to do:

As a Technical Leader, this individual will be responsible for:

  • Shaping requirements for Acceptance Testing and Environmental Screening during prime hardware design phase. [Positioning the org for success by providing needed technical involvement prior to, or at the start of manufacturing / productionization efforts]
  • Leading & driving to on schedule and on budget completion of Test capability stand up, modification or sustainment. This includes leading & driving Test equipment and/or test fixture design efforts, software coding and integration efforts, other manufacturing engineering relevant efforts. [Demonstrating technical leadership to ensure NRE activities progress at positive SPI & CPI]
  • Reporting progress at multiple levels of leadership. [Leading Executive level presentations]
  • Performing Earned Value to track progress and put mitigation in place to address schedule or cost risks. [CAM]
  • Leading key internal or customer events such as (but not limited to) Manufacturing Readiness Reviews.

High-level ethical standards, strong decision-making skills, and building a strong professional relationship / leading cross functional collaborative effort with other disciplines are essential.

Behavioral Traits sought out:

  • The Manufacturing Engineers are expected to be problem solvers with the ability to provide results that are innovative and often achieved through collaboration across functional groups.
  • We seek individuals with proven excellence in the following 6 core competencies:

a) Takes high levels of Self-accountability and Ownership

b) Acts with Speed

c) Responds to Challenges with Resilience

d) Leads with Courage

e) Sets vision for the assigned products

f) Builds a High Performing Team

This position is contingent upon funding/contract award.

Basic Qualifications for the Sr. Principal Manufacturing Test Engineer (RF Systems):

  • Bachelor's degree in Electrical, Computer Engineering, Aerospace or related STEM field with a minimum of 8 years of relevant work experience; OR a Master's in equivalent fields with a minimum of 6 years of relevant work experience.
  • Experience leading medium-scale technical projects in Electronics and/or Aerospace industry with limited assistance.
  • Experience in design of test equipment or test fixture or prime (sell-off) hardware.
  • Experience using C#, C++, Java, C or related programming language.
  • Ability to obtain and maintain Secret security clearance.
  • US Citizenship required.

Preferred Qualifications for the Sr. Principal Manufacturing Test Engineer (RF Systems):

  • Exprience with Electronic Warfare System or sub-system (especially with RF products).
  • Experience as IPT, Manufacturing Systems Engineer, Technical Project Manager or discipline level technical leadership.
  • Experience in leading relevant portion of internal or customer milestone events (such as Preliminary or Critical Design Review events - PDR/CDR, Manufacturing or Technology Readiness Reviews - MRR or TRR, Non-Advocate Reviews - NAR).
  • CAM certification.
  • Active DoD Security Clearance.

What We Can Offer You:

Northrop Grumman provides a comprehensive benefits package and a work environment that encourages your growth and supports the mutual success of our people and our company. Northrop Grumman benefits give you the flexibility and control to choose the benefits that make the most sense for you and your family.

Your benefits will include the following: Health Plan, Savings Plan, Paid Time Off, and Additional Benefits, including Education Assistance, Training and Development, 9/80 Work Schedule (where available), and much more!

#MPR

Primary Level Salary Range: $135,800.00 - $203,600.00The above salary range represents a general guideline; however, Northrop Grumman considers a number of factors when determining base salary offers such as the scope and responsibilities of the position and the candidate's experience, education, skills and current market conditions.Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Annual bonuses are designed to reward individual contributions as well as allow employees to share in company results. Employees in Vice President or Director positions may be eligible for Long Term Incentives. In addition, Northrop Grumman provides a variety of benefits including health insurance coverage, life and disability insurance, savings plan, Company paid holidays and paid time off (PTO) for vacation and/or personal business.The application period for the job is estimated to be 20 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates.Northrop Grumman is an Equal Opportunity Employer, making decisions without regard to race, color, religion, creed, sex, sexual orientation, gender identity, marital status, national origin, age, veteran status, disability, or any other protected class. For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. U.S. Citizenship is required for all positions with a government clearance and certain other restricted positions.

What Northrop Grumman employees say

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About Northrop Grumman

Sourced by ZipRecruiter

At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological advancements in our nation's history - from the first flight across the Atlantic Ocean, to stealth bombers, to landing on the moon. We look for people who have bold new ideas, courage and a pioneering spirit to join forces to invent the future, and have fun along the way. Our culture thrives on intellectual curiosity, cognitive diversity and bringing your whole self to work - and we have an insatiable drive to do what others think is impossible.

Industry

Space research administration

Company size

10,000+ Employees

Headquarters location

Falls Church, VA, US

Year founded

1939