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

Senior Software Engineer

Beloit, WI · On-site

$116K - $153K/yr

Senior Software Engineer AccuLynx is a fast-growing SaaS provider of business management software for roofing contractors. With more than 10 years in the business and impressive year-over-year ...

As a Software Developer on our Credit/AR development team, you'll work closely with product owners, stakeholders, and other talented developers to design and implement solutions that push the ...

As a Software Developer on our Retail Commerce team, you'll work closely with product owners, stakeholders, and other talented developers to design and implement solutions that push the boundaries of ...

Our platform offers an engaging blend of flexibility and challenge: you'll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging ...

Software Developer

Rockford, IL · Remote

$40 - $75/hr

Our platform offers an engaging blend of flexibility and challenge: you'll work closely with state-of-the-art AI models to take on programming tasks that include creating and solving challenging ...

A Software Engineer job in Rockford, IL is currently available through Belcan at one of our key aerospace clients. We are seeking a highly motivated Software Engineer with a focus on Linux Simulation ...

Senior Mobile Software Engineer - iOS

Beloit, WI · On-site

$132K/yr

About the role We're seeking a Senior Mobile Software Engineer (iOS) with strong Swift and ... Stay up to date on the latest iOS SDK changes, frameworks, and Apple developer tools. * Mentor ...

Senior Mobile Software Engineer iOS

Beloit, WI · On-site

$132K/yr

About the role Were seeking a Senior Mobile Software Engineer (iOS) with strong Swift and ... Stay up to date on the latest iOS SDK changes, frameworks, and Apple developer tools. * Mentor ...

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Senior Software Developer information

See Freeport, IL salary details

$14

$58

$82

How much do senior software developer jobs pay per hour?

As of Jun 12, 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 the average salary of a senior software developer?

The average salary of a senior software developer typically ranges from $100,000 to $150,000 annually, depending on experience, location, and industry. Factors such as proficiency in programming languages, experience with cloud platforms, and certifications can influence compensation levels.

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

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 L1, L2, L3, and L4 developer?

In the context of a Senior Software Developer role, L1, L2, L3, and L4 typically refer to different levels of experience and responsibility within an organization, with L1 being entry-level and L4 being senior or lead positions. These levels often correspond to increasing technical skills, project management capabilities, and leadership responsibilities, and are used to structure career progression and compensation. The specific definitions can vary by company, but generally, higher levels require more advanced coding, problem-solving, and mentorship skills.

What Is a Senior Software Developer?

Senior software developers have several years of experience in the software industry. They have proven successful in exceeding client expectations when developing programs and have provided excellent support in the managing of those applications. They have worked their way up from junior software developer positions and have mastered a variety of coding languages and programs. Senior software developers train and oversee a team of junior software developers.

What kinds of projects and responsibilities can a Senior Software Developer expect to handle on a daily basis?

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.

Can I make 200k a year as a software engineer?

Senior software developers in high-cost-of-living areas or with specialized skills such as cloud computing, machine learning, or leadership roles can earn $200,000 or more annually. Compensation varies based on experience, location, company size, and industry, with some senior roles reaching or exceeding this level through bonuses and stock options.

What are Senior Software Developers?

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 engineers make $500,000?

Senior software engineers, especially those with specialized skills in areas like machine learning, cloud computing, or cybersecurity, can earn $500,000 or more annually, often through a combination of base salary, bonuses, and stock options. Such compensation typically requires extensive experience, advanced technical expertise, and work at large tech companies or startups with high growth potential.

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.

What are the most commonly searched types of Software Developer jobs in Freeport, IL? The most popular types of Software Developer jobs in Freeport, IL 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:
Infographic showing various Senior Software Developer job openings in Freeport, IL as of June 2026, with employment types broken down into 100% Part Time. Highlights an 100% In-person job distribution, with an average salary of $120,702 per year, or $58 per hour.

Senior Software Engineer

Acculynx

Beloit, WI • On-site

$116K - $153K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 5 days ago


Job description

Description:Senior Software Engineer


AccuLynx is a fast-growing SaaS provider of business management software for roofing contractors. With more than 10 years in the business and impressive year-over-year revenue growth, we have quickly established ourselves as the leading software product in this multi-billion dollar industry.

AccuLynx is actively looking for smart and passionate Senior Software Engineers to join our growing Engineering team! We are headquartered out of Beloit, WI and would love to have you join us for major planning sessions and meetings, but this role has the option to be remote. We do not hire based on buzzwords or popular acronyms. We expect you to have mastered at least one language and be eager to master any technology or language in the future. If you want to be part of a collaborative team committed to providing a best-in-class software user experience, please read on!

What You Will Do:

  • Support Engineering team in delivering well-written, well-tested code to complete new features or address issues in the product
  • Collaborate on the design, implementation, testing and review of new features and fixes
  • Review code and contribute feedback to improve the quality, readability, and testability of the code base across Engineering
  • Architect, design, develop, deploy and operate services that serve AccuLynx’s thousands of users
  • Use Agile process to experiment and improve on software development practices at AccuLynx

What might you work on?

  • Implement real time communication tools to connect our customers.
  • Create a fast and responsive work-scheduling application for use in the field.
  • Build an automation platform so our customers can customize their workflow to reduce wasted movement.
  • Solve advanced mapping and geolocation problems.
  • Build out our public RESTful API.
  • Review junior Engineering team members’ work for accuracy and provide coaching and feedback
  • Perform other related duties as assigned

Your Qualifications:

  • Top notch coding skills
  • 7-10 years of software development experience
  • 7+ years of full-stack web development: frontend, backend and database
  • Smart and gets things done
  • Excellent written, verbal and interpersonal communication skills
  • Belief that performance is a feature
  • Confidence you will make a difference in our product

Bonus Points If You Have:

  • Experience with our stack: Vue.js, C#, Sql Server, Redis, ElasticSearch, Git
  • Familiarity with Agile methodologies.
  • Understanding of HTML5 and mobile responsive development.
  • Contributions to OSS projects or Stackoverflow.
  • Availability for after hours support. We work at a sustainable 40h/week pace but sometimes things go bump in the night.

Why We Love AccuLynx:

AccuLynx’s success as the #1 business management software for roofing contractors over the past 11 years is thanks to us investing in our employees, maintaining company values and focusing on a strong company culture. Our positive work environment has allowed us to retain employees that have been with us since our company’s inception and has provided the solid groundwork for us to develop an industry-leading product while exceeding our customer’s expectations. Because of our commitment to our company values and culture, we were recently officially recognized as a Great Place to Work Certified™ organization, with 90% of our employees naming AccuLynx as a great place to work.

We’re proud to regularly be recognized for software, product and company culture achievements. Our team’s shared belief in AccuLynx's mission promotes a culture of collaboration, innovation and fun. We have built a benefits program to match the strength of our team. This program includes:

  • Attractive compensation packages
  • Flexible paid time off - 3 weeks off in your first year!
  • Competitive health coverage (medical, dental, vision)
  • 401K matching and safe harbor contributions

Our Interview Process:

We do not hire based on buzzwords or popular acronyms. We expect you to be a master of your domain and be eager to learn any technology or language in the future. We aim to reply to your application within a week of receiving it. Our interview process consists of several stages, each one allowing us get to know you better, professionally and technically. It is also an opportunity for you to gain a better understanding of our culture and the work we do at AccuLynx. The stages include:

  • CV, open source code, or public portfolio review
  • Phone interview with HR team
  • Face to Face conversation with a few members of your team.

Applicants must be able to work legally within the United States. Please, no 3rd party inquiries.

AccuLynx is an Equal Opportunity Employer committed to inclusion and employing a diverse workforce. All applicants will receive consideration without regard to race, color, religion, sex, national origin, age, sexual orientation, gender identity, gender expression, veteran status, disability, or other legally protected characteristics.

Requirements: