ZipRecruiter

Log In

1

Senior Software Engineer Jobs in Sycamore, IL (NOW HIRING)

Teledyne FLIR LLC

Senior Software Engineer

Elgin, IL · On-site

$86K - $115K/yr

We are looking for an ambitious and talented Senior Software Engineer to be a driving member of the software development team and develop Qt based GUI for test equipment used by top engineers at all ...

Teledyne

Senior Software Engineer

Elgin, IL

$86K - $115K/yr

We are looking for an ambitious and talented Senior Software Engineer to be a driving member of the software development team and develop Qt based GUI for test equipment used by top engineers at all ...

Raytheon Technologies

Senior Software Engineer

Rockford, IL · On-site

$122K - $161K/yr

Not Required Join our team in Rockford, IL as a Senior Software Engineer and help develop the embedded software behind advanced aerospace electric power systems. You'll collaborate with talented ...

Collins Aerospace

Senior Software Engineer

Rockford, IL · Hybrid

$122K - $161K/yr

Not Required Join our team in Rockford, IL as a Senior Software Engineer and help develop the embedded software behind advanced aerospace electric power systems. You'll collaborate with talented ...

TecTammina

Software Engineer - Inspection

Rockford, IL · On-site

Company Description Tech Tammina LLC Design, analysis, programming, debugging, and modification of software for composite applications Investigate application engineering tasks and prepare design ...

next page

Showing results 1-20

All JobsSoftware Engineer JobsSenior Software Engineer JobsSenior Software Engineer Jobs in Sycamore, IL

Senior Software Engineer information

See Sycamore, IL salary details

$72.8K

$138.2K

$185.2K

How much do senior software engineer jobs pay per year?

As of Sep 3, 2026, the average yearly pay for senior software engineer in Sycamore, IL is $138,182.00, according to ZipRecruiter salary data. Most workers in this role earn between $118,100.00 and $155,700.00 per year, depending on experience, location, and employer.

What is a senior software engineer?

A senior software engineer designs, codes, tests, and maintains computer software. While these are your primary responsibilities as a senior software engineer, you may also have supervisory duties. These include overseeing a team of junior software engineers or developers. The senior software engineer title is sometimes used interchangeably with senior developer, and positions for both may share similar job duties and responsibilities. In general, software engineers are distinguished from developers in that software engineers apply engineering principles to software development.

What are the key skills and qualifications needed to thrive as a senior software engineer, and why are they important?

To thrive as a Senior Software Engineer, you need advanced programming skills, deep understanding of software architecture, and several years of experience in software development, often supported by a relevant degree. Familiarity with tools like Git, CI/CD pipelines, cloud platforms, and expertise in technologies such as Java, Python, or JavaScript are typically required. Leadership, problem-solving, and effective communication are crucial soft skills for mentoring teams and collaborating across departments. These skills ensure the delivery of robust, scalable solutions and drive successful project outcomes in complex technical environments.

What are some common challenges senior software engineers face when mentoring junior team members?

Senior Software Engineers often mentor junior colleagues, which can be incredibly rewarding but also presents challenges. Balancing mentorship with project deadlines can be demanding, as it requires strong time management and communication skills. Additionally, adapting explanations to different learning styles and levels of experience can be tricky. However, effective mentorship helps build a stronger team and can lead to enhanced leadership opportunities for the senior engineer.

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

AspectSenior Software EngineerSoftware Developer
CredentialsBachelor's or higher in CS or related field; experience often 5+ yearsBachelor's in CS or related field; entry to mid-level experience
Work EnvironmentDesigning complex systems, leading projects, mentoringWriting code, developing features, debugging
Industry UsageUsed across tech companies, startups, enterpriseCommon in software firms, startups, freelance work
Search & ComparisonOften compared for experience level, responsibilitiesCompared for entry-level to mid-level roles

The main difference between a Senior Software Engineer and a Software Developer lies in experience, responsibilities, and scope. Senior Software Engineers typically have more experience, lead projects, and mentor others, while Software Developers focus on coding and feature development. Both roles are essential in tech companies, but the Senior Software Engineer position involves higher-level planning and leadership.

What does a senior software engineer do?

A senior software engineer designs, develops, and maintains software applications, often leading projects and mentoring junior team members. They analyze requirements, write code, perform testing, and collaborate with cross-functional teams to ensure quality and efficiency. Proficiency in programming languages, problem-solving skills, and experience with development tools are essential for this role.
More about Senior Software Engineer jobs

What are the most commonly searched types of Software Engineer jobs in Sycamore, IL?

The most popular types of Software Engineer jobs in Sycamore, IL are:

What cities near Sycamore, IL are hiring for Senior Software Engineer jobs?

Cities near Sycamore, IL with the most Senior Software Engineer job openings:

Senior Software Engineer jobs near you
Infographic showing various Senior Software Engineer job openings in Sycamore, IL as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $138,182 per year, or $66.4 per hour.

Senior Software Engineer

Teledyne FLIR LLC

Elgin, IL • On-site

$86K - $115K/yr

Full-time

Posted 10 days ago

Job description

Be visionary
Teledyne Technologies Incorporated provides enabling technologies for industrial growth markets that require advanced technology and high reliability. These markets include aerospace and defense, factory automation, air and water quality environmental monitoring, electronics design and development, oceanographic research, deepwater oil and gas exploration and production, medical imaging and pharmaceutical research.
We are looking for individuals who thrive on making an impact and want the excitement of being on a team that wins.
Job Description
Our team at Teledyne LeCroy develops leading-edge test and measurement products. Businesses worldwide use our systems to create next-generation high-performance communication, consumer electronics, and computer products.
We are looking for an ambitious and talented Senior Software Engineer to be a driving member of the software development team and develop Qt based GUI for test equipment used by top engineers at all major manufactures of the latest video, audio, gaming, and computer devices worldwide.
You should be open-minded, a quick learner, and understand and define complex architectures and solutions.
Be part of our passionate team, and you get exposure to new products and technologies years before they reach the market. We have the pleasure of working with technology industry leaders from early specification to wide market adoption.
You will work with multiple teams within our engineering team and across departments, including Product Management, Sales, Application engineering, Operations and Validation teams.
Through hands-on learning, studying technical specifications, interacting with peers and end-users, and mentoring, you will extend your expertise in serial data protocols and in our instruments that test and validate these protocols, enabling you to be part of a leading expert team in this field.
Responsibilities:
Design and test software for next generation Test and Measurement Tools:
  • Contribute to User Interface software design and architecture for various video protocols.
  • Write efficient and scalable code using Qt/QML/C++.
  • Document the design and review with the rest of the team.
  • Participate in events hosted by various Video standard groups.
  • Work with the test engineer to validate your features in a whole system test environment.

Work with customer support to reproduce and fix issues found in the field:
  • Reproduce customer environment to reproduce any failures found in the field.
  • Determine the root cause and update the test procedures accordingly.

Requirements:
  • Demonstrated expertise developing software for embedded platforms in Qt and C++ (typically 7+ years of experience).
  • Linux multi-threaded development experience is required.
  • UX experience is must.
  • 3+ years of significant Qt and QML experience.
  • Excellent software engineering skills including architectural definition, task identification, design, implementation, and test - from concept through maintenance.
  • Must be comfortable working with hardware development engineers and interfacing to custom hardware devices, including interrupt driven interfaces.
  • A background using an efficient development process for high quality deliverables is needed.
  • Strong commitment to teamwork and good communication skills.
  • BSCS, BSCE, or BSEE degree.

Desirable Skills:
  • Experience programming with Java, and/or Python.
  • Linux kernel-level experience.
  • Network/TCP/IP protocol experience.

Salary Range:
$86,700.00-$115,600.000
The anticipated salary range listed for this role is only an estimate. Actual compensation for successful candidates is carefully determined based on several factors including, but not limited to, location, local regulations (such as minimum wage), education/training, work experience, key skills, and type of position.
Teledyne and all of our employees are committed to conducting business with the highest ethical standards. We require all employees to comply with all applicable laws, regulations, rules and regulatory orders. Our reputation for honesty, integrity and high ethics is as important to us as our reputation for making innovative sensing solutions.
Teledyne is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, age, or any other characteristic or non-merit based factor made unlawful by federal, state, or local laws.

Apply