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Software Developer Jobs in Waterloo, IL (NOW HIRING)

ECS

Junior Software Developer, Applications

O Fallon, IL · On-site

$62.50K - $81.20K/yr

Everforth ECS Federal is looking for a Junior software developer that develops, creates, and modifies general computer applications software or specialized utility programs. Analyze user needs and ...

Tanisha Systems

Java Software Developer

Saint Louis, MO · Hybrid

$50 - $55/hr

Java Software Developer III 1st Preference - St Louis - 4 days in the office 2nd Preference- Denver- 4 days in the office Pay Rate $50-55/Hr JC 158569 Domain Telecom Domain is must About the Role ...

Tanisha Systems

Java Software Developer

Saint Louis, MO · Hybrid

$50 - $55/hr

Java Software Developer III 1st Preference - St Louis - 4 days in the office 2nd Preference- Denver- 4 days in the office Pay Rate $50-55/Hr JC 158569 Domain Telecom Domain is must About the Role ...

Maximus

AI/ML Software Developer

Saint Louis, MO · Remote

... engineering, and model lifecycle management - Implements model monitoring, performance validation, traceability, and reproducibility of AI artifacts - Integrates AI/ML capabilities into software ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Rapsodo

Senior Software Developer

Saint Louis, MO

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

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Software Developer information

See Waterloo, IL salary details

$44.5K

$103.6K

$153.7K

How much do software developer jobs pay per year?

As of May 31, 2026, the average yearly pay for software developer in Waterloo, IL is $103,591.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,400.00 and $120,400.00 per year, depending on experience, location, and employer.

What Do Software Developers Do?

Software developers design and create computer software programs and systems for their employer or client. Their job is to apply the principles of engineering, analytics, and computer science toward the development and testing of all kinds of software and applications. On a day-to-day basis, a software developer helps create and test software from start to finish. They discuss and analyze user requests and requirements, then research and brainstorm practical solutions to meet those needs, and determine the best course of action to create the application. As a software developer, you may develop an entirely new program or improve an existing one; you are responsible for a program’s overall framework and must design precise workflow charts that explain to programmers what code is needed for different aspects of the program.

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

To thrive as a Software Developer, you need strong programming skills in languages like Java, Python, or JavaScript, as well as a solid understanding of computer science fundamentals and a relevant degree or equivalent experience. Familiarity with development tools such as Git, integrated development environments (IDEs), and frameworks like React or .NET is typically required, along with knowledge of agile methodologies or certifications. Problem-solving ability, attention to detail, teamwork, and effective communication are essential soft skills that help you excel in collaborative and fast-paced environments. These skills ensure you can build reliable, maintainable software and adapt to evolving project requirements and technologies.

What are some common challenges software developers face when working on team-based projects?

Software developers often encounter challenges such as coordinating with team members across different time zones, managing code integration from multiple contributors, and maintaining clear communication about project requirements. Effective use of version control systems like Git and regular participation in code reviews can help mitigate these issues. Additionally, adapting to evolving project goals and balancing technical debt with feature development are common hurdles that require strong collaboration and problem-solving skills.

What is a Software Developer?

A Software Developer is a professional who designs, builds, tests, and maintains computer programs or applications. They use programming languages to create software solutions that meet user needs, whether for desktop, mobile, or web platforms. Software Developers work closely with other team members such as designers, analysts, and testers to ensure the final product is functional, reliable, and user-friendly. Their responsibilities can range from writing code and fixing bugs to collaborating on system architecture and deploying updates.

What is the difference between Software Developer vs Software Engineer?

AspectSoftware DeveloperSoftware Engineer
CredentialsBachelor's degree in CS or related field; coding certificationsBachelor's or higher in CS or Software Engineering; certifications may vary
Work EnvironmentDevelops, tests, and maintains software applicationsDesigns and develops software systems; often involved in architecture
Industry UsageCommonly used in tech companies, startups, and IT firmsUsed interchangeably with Software Developer in many organizations

While the roles often overlap, Software Developers focus on coding and building applications, whereas Software Engineers typically work on designing and architecting complex systems. Both roles require similar credentials and are integral to software creation, but their scope and responsibilities can differ based on project size and company structure.

More about Software Developer jobs
What are the most commonly searched types of Software Developer jobs in Waterloo, IL? The most popular types of Software Developer jobs in Waterloo, IL are:
What cities near Waterloo, IL are hiring for Software Developer jobs? Cities near Waterloo, IL with the most Software Developer job openings:
Software Developer jobs near you
Infographic showing various Software Developer job openings in Waterloo, IL as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $103,591 per year, or $49.8 per hour.
Embedded Software Developer - St. Louis

Embedded Software Developer - St. Louis

Performance Software Corporation

Saint Louis, MO • On-site

$75K - $145K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 8 days ago

Job description

Performance Software and its sister company, Talent Tier, are midsize companies with a great work-life balance, providing innovative software and hardware to our client companies. We are a medium-size company having been in business for over 25 years with never having a layoff and very low turnover 2-4% per year. Our company is very dedicated to a great work/life balance.
We are looking for passionate Software Developers to design and develop software solutions for state-of-the-art safety-critical systems in the areas of Avionics and Space Exploration to join our team. Positions include full-time or hourly, Medical/Dental/Vision benefits, and a 12% company paid individual IRA contribution for full-time employees. This position is located on-site in St. Louis.
Salary Range: $75,000-$145,000 DOE
Experience Required:
  • Due to compliance with U.S. export control laws and regulations, candidate must be a U.S. Person, which is defined as, a U.S. citizen, a U.S. permanent resident, or have protected status in the U.S. under asylum or refugee status or have the ability to obtain an export authorization.
  • Bachelors or advanced degree in Computer Science, Computer Engineering, Electrical Engineering, Computer Systems Engineering, Mathematics, or equivalent development experience.
  • Avionics software development experience including DAL A or LOR Level 1 certification experience is required.
  • Proficiency in either ADA or C++.
  • Real time embedded software experience is required.

About Performance and Talent Tier:
Performance Software and its sister company, Talent Tier, are engaged in the design of Real-time Embedded Software and Hardware. This includes Avionics and Space Exploration applications such as Synthetic Vision Cockpit Displays, Flight Management System Guidance and Navigation, Platforms, and Datalink Applications. Our customers are both Commercial and Defense-related avionics and rocketry suppliers/manufacturers. Performance Software has been in business since 1998; we were awarded INC Magazine 5000 Fastest Growing Companies and Best Places to Work for multiple years. Both companies have locations in Phoenix, AZ, New Orleans, LA, Grand Rapids, MI, Clearwater, FL, Bothell, WA, Cedar Rapids, IA with other remote employees across the states.
Why Performance or Talent Tier?
Our foundation was built by implementing the characteristics from large companies that we liked and eliminating the characteristics that we did not. Without the archaic practices from larger organizations, we fully embrace the culture of clear accountability, a positive attitude, transparency between every department, and productivity over the clock. This builds trust between management and employees, which provides us with our greatest strengths as an organization, flexibility, and work life balance.
Competitive Benefits:
Our full-time team members receive competitive salaries plus a contribution, totally paid for by our company every paycheck to an individual IRA equal to 12% of your salary. Flexible hours. Our team members are provided health/dental/vision insurance coverage plus STD/LTD coverage, separate paid sick time and vacation days, and major holidays. Hourly employees are paid a very competitive rate with medical/dental/vision benefits available.
Performance Software and Talent Tier are an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, disability, age, sexual orientation, gender identity, national origin, veteran status, or genetic information. We are committed to providing access, equal opportunity and reasonable accommodation for individuals with disabilities in employment, its services, programs, and activities. If you need reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please discuss this with your recruiter if you are selected for an interview.
To learn more about Performance Software: https://www.psware.com/careers/

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