ZipRecruiter

Log In

1

Senior Software Developer Jobs in Freeport, IL (NOW HIRING)

Experity

Senior Data Engineer - Remote

Machesney Park, IL · On-site +1

$110K - $150K/yr

S., empowering urgent care clinics with industry-leading software that makes care faster, easier ... developer productivity and data pipeline consistency. * Implement automated testing, CI/CD ...

Experity

Senior Data Engineer - Remote

Machesney Park, IL · On-site +1

$110K - $150K/yr

S., empowering urgent care clinics with industry-leading software that makes care faster, easier ... developer productivity and data pipeline consistency. * Implement automated testing, CI/CD ...

Harris

Software Engineer

Oregon, IL · On-site

$70K - $80K/yr

The Software Engineer will work with colleagues to deliver reliable and scalable applications that contribute to keeping first responders in the field safe, efficient, and informed with mission ...

WaterSurplus

Senior Electrical Engineer

Loves Park, IL · On-site

$103K - $134K/yr

ABOUT THE JOB The Senior Electrical Engineer is responsible for designing, directing, and ... Engineers projects by selecting and designing electrical hardware and software, developing detailed ...

Hawkins Inc.

Senior Electrical Engineer

Loves Park, IL

$103K - $134K/yr

ABOUT THE JOB The Senior Electrical Engineer is responsible for designing, directing, and ... Engineers projects by selecting and designing electrical hardware and software, developing detailed ...

previous pagenext page

Showing results 21-40

All JobsSoftware Developer JobsSenior Software Developer JobsSenior Software Developer Jobs in Freeport, IL

Senior Software Developer information

See Freeport, IL salary details

$14

$58

$82

How much do senior software developer jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for senior software developer in Freeport, IL is $58.03, according to ZipRecruiter salary data. Most workers in this role earn between $49.28 and $65.10 per hour, depending on experience, location, and employer.

What is a senior software developer?

Senior Software Developers are experienced professionals who design, develop, and maintain complex software applications. They often lead development teams, mentor junior developers, and make critical architectural decisions. Their responsibilities include writing high-quality code, troubleshooting technical issues, and ensuring that software projects meet performance and security standards. With deep expertise in programming languages and software engineering principles, they play a key role in delivering successful technology solutions for organizations.

What does a senior software developer do?

As a Senior Software Developer, you’ll typically be responsible for leading complex development projects, designing technical solutions, and mentoring junior team members. Daily tasks often include writing and reviewing code, participating in architecture discussions, collaborating with cross-functional teams (such as QA, product management, and DevOps), and troubleshooting high-level technical issues. You may also be involved in setting coding standards, conducting code reviews, and helping to plan sprints or project roadmaps.

What skills and qualifications are needed to thrive as a senior software developer?

To thrive as a Senior Software Developer, you need deep expertise in programming languages, software architecture, and problem-solving, typically backed by a bachelor’s degree in computer science or a related field. Proficiency with development frameworks, version control systems like Git, and cloud platforms such as AWS or Azure is standard, and certifications in these areas can be beneficial. Leadership, strong communication, and mentoring abilities set standout candidates apart in this role. These skills ensure that complex projects are delivered efficiently, code quality is maintained, and junior team members are effectively guided for overall team success.

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

AspectSenior Software DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; experience often 5+ yearsBachelor's or higher in CS or related field; similar experience levels
Work EnvironmentCollaborates on complex projects, mentors juniors, leads technical effortsDesigns, develops, tests software; may work on specific modules or systems
Industry UsageCommonly used in tech companies, startups, and enterprise firmsWidely used across industries, often interchangeable with developer roles

The main difference is that Senior Software Developers typically have more experience, leadership responsibilities, and focus on complex project oversight, while Software Engineers may focus more on designing and implementing software solutions. Both roles require similar credentials and are integral in software development teams, but Senior Software Developers often take on mentorship and strategic tasks.

More about Senior Software Developer jobs

What are popular job titles related to Senior Software Developer jobs in Freeport, IL?

For Senior Software Developer jobs in Freeport, IL, the most frequently searched job titles are:

What cities near Freeport, IL are hiring for Senior Software Developer jobs?

Cities near Freeport, IL with the most Senior Software Developer job openings:

Senior Software Developer jobs near you
Infographic showing various Senior Software Developer job openings in Freeport, IL as of August 2026, with employment types broken down into 1% As Needed, 79% Full Time, 15% Part Time, and 5% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution, with an average salary of $120,702 per year, or $58 per hour.

Software Engineer - Inspection-#2603

Right Talent Right Now

Rockford, IL

Full-time

Re-posted 3 days ago

Job description

Job Description

Job Title: Software Engineer - Inspection


Role: Information Technology

Relocation Available: Yes

Industry: I.T.

Location: Illinois

Town / City: Rockford

Job Type: Permanent full-time


Job description:

The Software Engineer - Inspection for the Composites Division will become part of a development team that develops software dedicated to the design and manufacturing of composite structures for a variety of applications including, but not limited to, aerospace vehicles. Rank and salary dependent on background/experience.


Design, analysis, programming, debugging, and modification of software for composite applications

Investigate application engineering tasks and prepare design specifications, analysis, and recommendations

Support the "manufacturing process integration" for composite parts

Provide customer support for software deployment and maintenance

Ensure products and services provided by the company meet the highest standards

Become very knowledgeable of the entire hardware & software infrastructure for automated machine tools and robotics equipment

Working closely with other departments to meet the division's goals

Meet deadlines and company goals

Demonstrate continuous improvement philosophy


Qualifications

Programming knowledge and skills in C++ required

Experience developing algorithms and/or filtering methods

Experience in multi-threaded programming

Strong analytical, problem solving, and decision making skills

Solid math background with vectors, 3D geometry, transformations, etc.

Good communication and interpersonal skills

Flexible work attitude and excellent team player

Must be a U.S. Citizen or hold a valid green card


Experience

Recent industry or academic experience in Software Development

Any experience related to Manufacturing, Industrial Machinery, or customer support for Software Applications is a plus


Education

BA / BS in Computer Science, Electrical Engineering, or related field

Alternatively: BS degree in mechanical or aerospace engineering with sufficient experience in a software development environment

Graduate degree is a plus

Bottom Line Requirements:

1. Bachelor's Degree in Engineering.

2. Programming knowledge and skills in C++.

3. Experience developing algorithms and/or filtering methods.

4. Experience in multi-threaded programming

Additional Information

All your information will be kept confidential according to EEO guidelines.

Apply