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Sr Software Engineer Java Jobs in Rockford, IL (NOW HIRING)

Buyer / Senior Buyer, Indirect

Rockford, IL · On-site

$90K - $115K/yr

Candidate skills & requirements Education/Experience • Bachelor's degree in engineering ... software. • CPSM or CPM certification, preferred • Experience using Enterprise Resource ...

Candidate skills & requirements Education/Experience • Bachelor's degree in engineering ... software. • CPSM or CPM certification, preferred • Experience using Enterprise Resource ...

Deep knowledge of Java programming including primitive types, objects, boolean expressions ... real-world software development applications. * Curriculum Awareness & Adaptive Instruction:

Senior Scientist

Loves Park, IL · On-site

$110K/yr

Collaborate with Operations, Quality, and Process Engineering staff to troubleshoot, problem-solve ... Proficiency in standard office software (e.g., Microsoft Office). * Flexibility to work off-shift ...

Senior Scheduler

Rockford, IL · On-site

$145K - $165K/yr

We provide EPC (Engineering, Procurement, and Construction) services and assist in project ... Controls software. * Demonstrates a command of the skills listed. * Proficiency in reading and ...

The Senior Scheduling Engineer will provide oversight of all planning and scheduling activities ... Thorough knowledge of scheduling concepts, principles, practices, and company software * Thorough ...

Senior Scheduler I

Dekalb, IL · On-site

$102K - $137K/yr

The Senior Scheduling Engineer will provide oversight of all planning and scheduling activities ... Thorough knowledge of scheduling concepts, principles, practices, and company software * Thorough ...

Senior Scheduler I

Dekalb, IL · On-site

$102K - $137K/yr

The Senior Scheduling Engineer will provide oversight of all planning and scheduling activities ... Thorough knowledge of scheduling concepts, principles, practices, and company software * Thorough ...

You will report directly to our Sr Engineering Manager and you'll work out of either Freeport, IL ... Deep knowledge of mechanical design principles, CAD software proficiency, and simulation tools to ...

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Sr Software Engineer Java information

See Rockford, IL salary details

$40.5K

$151.1K

$265.2K

How much do sr software engineer java jobs pay per year?

As of Jul 14, 2026, the average yearly pay for sr software engineer java in Rockford, IL is $151,052.00, according to ZipRecruiter salary data. Most workers in this role earn between $125,100.00 and $164,600.00 per year, depending on experience, location, and employer.

What is the salary of a senior Software Engineer in Java?

The salary of a senior Software Engineer in Java typically ranges from $100,000 to $150,000 annually, depending on experience, location, and company size. Professionals with expertise in frameworks like Spring and Hibernate, along with strong problem-solving skills, tend to earn higher compensation.

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

To thrive as a Sr Software Engineer Java, you need advanced proficiency in Java programming, software design principles, and a bachelor’s degree (or higher) in computer science or a related field. Familiarity with tools such as Spring Framework, RESTful APIs, version control systems like Git, and cloud platforms is typically required, along with relevant certifications like Oracle Certified Professional Java Programmer. Excellent problem-solving skills, effective communication, and the ability to mentor junior developers make someone stand out in this position. These skills ensure the delivery of robust, scalable applications and foster efficient collaboration in complex development environments.

What does a Sr Software Engineer Java do?

A Sr Software Engineer Java is responsible for designing, developing, and maintaining complex software applications using the Java programming language. They often lead technical projects, mentor junior developers, and ensure that software solutions are robust, scalable, and secure. Their work involves collaborating with cross-functional teams, reviewing code, and implementing best practices to deliver high-quality products. Senior engineers also play a key role in architectural decisions and contribute to the overall technical direction of their team or organization.

What engineer makes $500,000 a year?

Senior Software Engineers, especially those with expertise in Java, cloud computing, or working at large tech companies, can earn $500,000 or more annually through base salary, bonuses, and stock options. Such compensation typically requires extensive experience, advanced skills, and often involves leadership or specialized roles in high-demand environments.

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

AspectSr Software Engineer JavaSoftware Developer Java
Required CredentialsBachelor's degree, 5+ years experience, possibly certifications like Oracle Certified ProfessionalBachelor's degree, 1-3 years experience, often entry-level certifications
Work EnvironmentDesigning architecture, leading projects, mentoring teamsWriting code, debugging, implementing features
Employer & Industry UsageTech companies, finance, healthcare, enterprise solutionsStartups, tech firms, software consultancies
Search & Comparison IntentHigher-level roles, leadership, complex projectsEntry to mid-level development tasks

In summary, Sr Software Engineer Java typically involves more experience, leadership, and architectural responsibilities, while Software Developer Java focuses on coding and feature implementation. Both roles are common in tech industries but differ in scope and seniority.

Which pays more, C++ or Java?

For a Sr Software Engineer Java, salary differences between C++ and Java roles depend on industry, location, and experience. Generally, C++ positions may offer higher pay due to their complexity and demand in systems programming, but Java roles are also well-compensated, especially in enterprise environments. Both skills are valuable, and salary varies based on specific job requirements and market conditions.

What are some common challenges Sr Software Engineers specializing in Java face when leading project teams?

Sr Software Engineers working with Java often encounter challenges such as balancing hands-on coding with mentorship responsibilities, managing technical debt in legacy systems, and aligning project goals with business requirements. They frequently need to facilitate effective communication between developers, QA engineers, and stakeholders to ensure project milestones are met. Additionally, staying updated with evolving Java frameworks and best practices while guiding less experienced team members is essential for maintaining code quality and team productivity.

Will AI replace Java devs?

As a Sr Software Engineer Java, AI is more likely to augment development processes rather than fully replace Java developers. AI tools can automate repetitive coding tasks and improve efficiency, but human expertise is still essential for designing complex systems, debugging, and making strategic decisions. Staying updated with AI integrations and enhancing skills in areas like system architecture and problem-solving remain valuable for Java professionals.
What cities near Rockford, IL are hiring for Sr Software Engineer Java jobs? Cities near Rockford, IL with the most Sr Software Engineer Java job openings:
Automation Engineer II

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 21 days ago


Job description

Join the best radiopharmaceutical company in the world!

If you’re looking to make an impact while building a meaningful career in a specialized, fast-growing field, NorthStar Medical Radioisotopes is the place to do it. NorthStar Medical Radioisotopes is a growing, commercial-stage company focused on advancing patient care by providing therapeutic radioisotopes and novel radiopharmaceuticals to detect and treat cancer.

At the forefront of NorthStar’s technological innovation is scientific excellence, using first-in-kind electron accelerator technology and integrated campus capabilities to drive progress in radiopharmaceutical manufacturing. Our work is driven by a meaningful mission—advancing life-saving radiopharmaceutical development and ensuring a reliable supply of critical medical isotopes for patients in need. As a rapidly growing organization operating on the cutting edge of science, we offer exceptional career growth and professional development opportunities, supported by world-class facilities and a competitive benefits package.


The Automation Engineer II will contribute to the development and execution of automation engineering tasks through design, planning, procurement, and execution, as well as coordinating with vendors and contractors. Some of these tasks include programming of PLC and HMI as well as associated documentation. Also included are assisting in the development and implementation of Manufacturing Execution Systems (MES) and associated networking and data management systems. This individual will be required to work with cross functional teams, including RA/QA and Process Engineering to apply efficient cGMP processes to preserve data integrity and the quality of the drug product, including the safety of all production and non-production personnel.

The Automation Engineer II is responsible performing automation engineering tasks for the support of automated production systems at the Beloit campus. This includes the support of existing production system automation control software and hardware and transfer of automated equipment/systems and the associated control systems into production and providing the ongoing support of these systems to include some on-call support.

The Automation Engineer II will have responsibility on a project level from conception to final commissioning and validation.

This position supports production in a 24-hour manufacturing facility and may require availability to provide support during evenings, nights, weekends, and some holidays, as needed (generally up to 15%).


  • Design, revise and commission PLC, HMI, and DCS based automation systems with input from cross-functional teams and senior staff.
  • Design, code, test, debug and document programs and systems as needed in support of new designs and current production systems.
  • Implement automation changes to existing control system hardware and software, supervising hardware and software modifications done by outside vendors, and development of specifications and testing documentation.
  • Create, modify, and maintain automation system documentation including project documentation, specification documents, and SOPs in a cGMP compliant state.
  • Troubleshoot various automation systems and provide training to operations personnel on automated operations.
  • Ensure effective maintenance and availability of automation system controls and equipment.
  • Provide automation technical knowledge for troubleshooting, investigations and training associated with Automation software as well as integrated automation system related hardware including sensors, valves, pneumatics, conveyors, robotics, vision systems, filling systems, automatic packaging equipment, etc.
  • Support the validation of automation systems per cGMP and Regulatory guidance.
  • Provide automation system design in relation to data acquisition, integrity and retention, required for system tracking and trending, including development of data interfaces between disparate systems to include 21CFR Part 11 and Annex 11.
  • Understand and create electrical schematics and wiring diagrams and present drawings and project progress to peers and management.
  • Participate in process risk and hazard reviews and modify equipment/designs as necessary to ensure safe operation and appropriate specifications are captured.
  • Understand and interpret P&ID drawings, electrical schematics and wiring diagrams; PLC based logic and system integration (Siemens TIA preferred); and NFPA, UL, CE, NEC requirements.
  • Continuously adapt to an ever-changing regulatory environment such that the Company is in compliance with current regulations.

After 3 months, you will:

  1. Understand foundational cGMP radiopharmaceutical manufacturing principles
  2. Complete radiation training in ALARA principles and isotope-specific safety protocols.
  3. Collaborate effectively with cross-functional teams, to ensure timely delivery of radiopharmaceuticals for cancer treatment.
  4. Gain hands-on experience with automation technology under the guidance of industry experts.

After 6 months, you will:

  1. Develop advanced technical skills in handling automated processes and technologies, positioning yourself as a key player in an innovative and impactful field.
  2. Troubleshoot various automation systems.
  3. Implement automation changes to existing control system hardware and software, supervise hardware and software modifications done by outside vendors, and develop specification and test documentation.

Bachelor’s degree in Engineering and minimum three (3) years of experience with a concentration in Automation or Process Control; or combination of education and experience. Knowledge of automation hardware design and maintenance required.  Specific knowledge of Siemens automation products and experience in a regulated pharmaceutical/medical device manufacturing environment is preferred.

Please note the company cannot provide immigration-related sponsorship (including H-1B status, O-1 status, Optional Practical Training support, etc.) for this position.  Each successful applicant will be required to complete the Form I-9, Employment Eligibility Verification, demonstrating both identity and employment authorization, on or before the first day of employment.  Under federal law, only truthful information may be provided on the Form I-9.


This position supports production in a 24-hour manufacturing facility and may require availability to provide support during evenings, nights, weekends, and some holidays, as needed (generally up to 15%).


  • Medical, dental, and vision insurance
  • Healthcare Flex Spending Account (FSA) and Dependent Care FSA
  • Company-paid short-term and long-term disability
  • Company-paid life insurance & AD&D coverage
  • Pet insurance
  • 401(k) match
  • Paid holidays and paid time off (PTO)
  • Paid parental leave
  • Bonus plan
  • Equity Incentive Program

This role may involve working in a controlled cleanroom environment, general office setting, or specific manufacturing areas. Conditions may include:

  • Exposure to varying temperatures, both indoors (heated/air-conditioned spaces) and outdoors
  • Noise levels range from quiet to loud, depending on the work area
  • Specific vision abilities, including near vision, visual acuity, and color discrimination

Personal Protective Equipment (PPE) is required and may include:

  • Respirators, gloves, safety glasses, and full protective clothing
  • Compliance with cleanroom gowning protocols (e.g., removal of all jewelry, including piercings)
  • Prohibition of cosmetics, fragrances (perfume, aftershave), and nail products, including polish, artificial nails, or extensions

As a radiopharmaceutical manufacturing site, radiation may be present in the laboratory and production areas. Employees in this role may be required to:

  • Follow strict radiation safety procedures
  • Participate in dosimetry monitoring and bioassay testing as part of the company protocol
  • Inform leadership of any health conditions that may affect product integrity, by cleanroom standards

In addition, all cosmetics, fragranced products (perfumes, aftershave, etc.), and nail products are prohibited, including clear nail polish, artificial nails, and nail extenders. 

The company is a radiopharmaceutical manufacturer and radiation may be present in manufacturing and laboratory areas. Employees may be required to be monitored using company provided dosimetry and bioassay testing.


NorthStar Medical Radioisotopes is proud to call Beloit, Wisconsin home. Our headquarters and primary manufacturing facility are located in this vibrant, growing community that combines the charm of a small city with the advantages of a central Midwest location. Beloit features a lively, revitalized downtown filled with local restaurants, shops, and cultural events, and is just a short drive from major metropolitan areas including Madison, Milwaukee, Chicago, and Rockford.

Situated in the heart of the South Central Wisconsin and Northern Illinois region, Beloit offers a rare blend of urban amenities and scenic natural surroundings. Whether you’re drawn to outdoor recreation, educational institutions, the arts, or historic landmarks, the area provides rich and diverse experiences for all interests. A variety of nearby communities, ranging from rural towns to suburban neighborhoods, offer flexible housing options and access to multiple school districts, making Beloit an excellent choice for individuals and families considering relocation.

NorthStar Medical Radioisotopes is an equal opportunity employer. Employment decisions are made without regard to race, color, religion, national or ethnic origin, sex, sexual orientation, gender identity or expression, age, disability, protected veteran status or other characteristics protected by law.