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Independent Contractor Software Developer Jobs in Sun Prairie, WI

TrafficCast

Java Developer

Madison, WI · On-site

$51.50 - $66.50/hr

Java software developer(s) will work with a small group of software developers in Madison, West ... The ability to work independently and as part of a team to complete work assignment is also ...

TrafficCast

Java Developer

Madison, WI · On-site

$51.50 - $66.50/hr

Java software developer(s) will work with a small group of software developers in Madison, West ... The ability to work independently and as part of a team to complete work assignment is also ...

Exact Sciences

Principal Software Engineer

Madison, WI

$136K - $182K/yr

Exercise independent judgment in methods, techniques, and evaluation criteria for obtaining results ... Contractor, and State employment law posters, visit our compliance hub. The documents summarize ...

Exactsciences

Principal Software Engineer

Madison, WI · On-site

$136K - $182K/yr

Exercise independent judgment in methods, techniques, and evaluation criteria for obtaining results ... Contractor, and State employment law posters, visit our compliance hub. The documents summarize ...

Exact Sciences

Principal Software Engineer

Madison, WI · On-site

$136K - $182K/yr

Exercise independent judgment in methods, techniques, and evaluation criteria for obtaining results ... Contractor, and State employment law posters, visit our compliance hub. The documents summarize ...

Exact Sciences

Sr. Engineer, Systems Software

Madison, WI · Hybrid

$101K - $172K/yr

Position Overview The Senior Systems Software Engineer works with the Systems Development team to ... Contractor, and State employment law posters, visit our compliance hub. The documents summarize ...

Exactsciences

Sr. Engineer, Systems Software

Madison, WI · Hybrid

$101K - $172K/yr

Position Overview The Senior Systems Software Engineer works with the Systems Development team to ... Contractor, and State employment law posters, visit our compliance hub. The documents summarize ...

Exact Sciences

Sr. Engineer, Systems Software

Madison, WI · On-site

$101K - $172K/yr

Position Overview The Senior Systems Software Engineer works with the Systems Development team to ... Contractor, and State employment law posters, visit our compliance hub. The documents summarize ...

PlayStation Global

Software Engineer II

Madison, WI

Software Engineer II Madison, WI Playstation is looking for a Software Engineer to build our next ... Work independently and collaborate with internal and external engineers * Work with other team ...

PlayStation Global

Software Engineer II

Madison, WI · On-site

$98K - $134K/yr

Software Engineer II Madison, WI Playstation is looking for a Software Engineer to build our next ... Work independently and collaborate with internal and external engineers * Work with other team ...

PlayStation Global

Software Engineer II

Madison, WI

$98K - $134K/yr

Software Engineer II Madison, WI Playstation is looking for a Software Engineer to build our next ... Work independently and collaborate with internal and external engineers * Work with other team ...

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All JobsIndependent Contractor Software Developer JobsIndependent Contractor Software Developer Jobs in Sun Prairie, WI

Independent Contractor Software Developer information

See Sun Prairie, WI salary details

$46.7K

$108.8K

$161.5K

How much do independent contractor software developer jobs pay per year?

As of Jun 11, 2026, the average yearly pay for independent contractor software developer in Sun Prairie, WI is $108,819.00, according to ZipRecruiter salary data. Most workers in this role earn between $87,600.00 and $126,500.00 per year, depending on experience, location, and employer.

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

To thrive as an Independent Contractor Software Developer, you need strong programming skills, a solid understanding of software development principles, and relevant experience or a degree in computer science or a related field. Familiarity with version control systems like Git, cloud platforms, and proficiency in popular programming languages, along with certifications such as AWS Certified Developer or Microsoft Certified: Azure Developer Associate, are often beneficial. Excellent communication, time management, and problem-solving abilities set standout contractors apart, enabling effective client interaction and project delivery. These skills and qualities are crucial for producing high-quality software, meeting client expectations, and managing projects independently.

What is an Independent Contractor Software Developer?

An Independent Contractor Software Developer is a professional who designs, develops, and maintains software applications while working independently rather than as a traditional employee. They are typically hired on a contractual basis to complete specific projects or provide specialized expertise for a set duration. Independent contractors manage their own schedules, handle multiple clients, and are responsible for their own taxes and business expenses. This arrangement offers flexibility but also requires strong self-management, business skills, and a clear understanding of project requirements.

Can software developers work freelance?

Yes, software developers can work as freelancers, offering their services on a project basis rather than as full-time employees. Freelance developers typically need skills in programming languages, project management, and client communication, and often use platforms like Upwork or Freelancer to find work. This work arrangement provides flexibility but requires self-discipline and the ability to manage multiple clients and deadlines.

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. High earnings are typically associated with experience, leadership roles, and working at large tech companies or successful startups.

What engineers make $300,000 a year?

Senior software engineers, especially those with specialized skills in areas like machine learning, cloud computing, or cybersecurity, can earn $300,000 or more annually. High-level roles often require extensive experience, advanced certifications, and work in competitive industries or companies with lucrative compensation packages.

How do Independent Contractor Software Developers typically manage client communication and project expectations?

As an Independent Contractor Software Developer, clear and consistent client communication is essential to ensure project requirements, timelines, and deliverables are well understood by all parties. Contractors often use project management tools, regular status updates, and well-defined contracts to set expectations from the outset. Proactively addressing questions, setting realistic deadlines, and documenting progress help prevent misunderstandings and foster strong client relationships, which can lead to repeat business and referrals.

What is L1, L2, L3, and L4 developer?

In the context of software development, L1, L2, L3, and L4 often refer to different levels of developer experience and seniority, with L1 being entry-level and L4 representing senior or lead developers. These levels help organizations categorize skills, responsibilities, and compensation, and they may correspond to specific technical expertise, problem-solving ability, and project management skills. For an independent contractor software developer, understanding these levels can assist in positioning your skills and negotiating contracts effectively.

What is the difference between Independent Contractor Software Developer vs Freelance Software Engineer?

AspectIndependent Contractor Software DeveloperFreelance Software Engineer
CredentialsTypically requires relevant coding certifications or degreesOften has similar credentials, but not always mandatory
Work EnvironmentWorks independently, often remotely or on client sitesOperates independently, managing multiple clients or projects
Employer/Industry UsageHired directly by companies or through agencies for specific projectsHired directly by clients or through platforms for project-based work
Search/Comparison IntentOften compared based on project scope, independence, and contractual termsCompared for flexibility, project variety, and client interaction

Both roles involve independent work in software development, requiring similar skills and credentials. The main difference lies in terminology and slight variations in work setup, but they are often used interchangeably in the industry.

What are the most commonly searched types of Software Developer jobs in Sun Prairie, WI? The most popular types of Software Developer jobs in Sun Prairie, WI are:
What cities near Sun Prairie, WI are hiring for Independent Contractor Software Developer jobs? Cities near Sun Prairie, WI with the most Independent Contractor Software Developer job openings:
Independent Contractor Software Developer jobs near you

Java Developer

TrafficCast

Madison, WI • On-site

$51.50 - $66.50/hr

Full-time

Medical, Dental, Retirement, PTO

Posted 27 days ago

Job description

Company Description

TrafficCast International, Inc. (http://www.trafficcast.com) is a leading company in digital traffic information and service provision.

Based in Madison, WI, with satellite offices in Chicago, Atlanta, Newtown Square, PA, and Shanghai, China, TrafficCast provides innovative technology and sophisticated data modeling to provide real-time and predictive traffic information that enhances and enables high performing location based services and dynamic navigation services to Google/WAZE, GM OnStar, Sirius XM Satellite Radio, and TV stations. Now covering over 880,000 miles of roadway, Dynaflow provides real time and predictive road information derived from GPS tracking data, public sensors and reports of accidents, road works and weather. For the more granular data required by public agencies for planning and operations, TrafficCast developed BlueTOAD, an advanced wireless device that directly computes travel times and vehicle behaviors from the detection of Bluetooth signals emanating from passing vehicles.

Job Description

TrafficCast International, Inc., (http://www.trafficcast.com) a leading company in digital traffic information and service provision in Madison, WI, is seeking mid level Java developer(s) to enhance traffic modeling system that will support mobile applications. Applicant must have 4+ years of programming experiences in Java. Familiar with location based services (LBS) (http://en.wikipedia.org/wiki/Location-based_service) and MySQL database is required. Knowledge and hands on experience with Spring framework will be a plus.


Java software developer(s) will work with a small group of software developers in Madison, West Chester, PA, and Shanghai office to collaboratively work as part of a project team responsible for designing, building, testing and implementing real-time and predictive traffic modeling engine to support both online and mobile applications. This position requires strong knowledge of methodology, tools, standards and procedures, as well as oral and written communication skills. The ability to work independently and as part of a team to complete work assignment is also important. In addition to producing high quality code, the Java developer is expected to contribute in the following areas: application design, traffic model implementation, troubleshooting and problem solving


Qualifications

Desired Skills:


4+ year experiences in Java to develop and deploy server and client-server applications

Familiarity with Eclipse IDE

Firm understanding of Relational Database Theory and using MySQL, PostgreSQ, or other DBMS in client-server applications

Knowledge of the following: Spring, Maven, JSON, REST, and XML schema languages

Effective workplace and client-oriented communication skills

Strong English reading and verbal communications skills


Education and/or Experience:


BS in Computer Science, Engineering or related technical subject from an accredited college or university

3+ year of technical experience working in a team capacity, planning, designing, implementing, and supporting technical solutions.


Additional Information

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

Competitive compensation and benefits commensurate with experience. Benefits for full-time employees include participation in the Company's retirement plan, bonus, medical, dental, lift, LTD/STD, paid vacations/sick day/holidays, and great advancement opportunities. 

TrafficCast International is an equal opportunity employer.

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