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Software Engineer Contract Jobs in Illinois (NOW HIRING)

Harnham

Software Engineer AI

Mundelein, IL · On-site

$190K - $240K/yr

Software Engineer, AI - Bay Area (Hybrid) Salary Range: $190,000 - $240,000 base + equity My client ... API contracts; advocate for the user when model outputs break do * wnBuild feedback loops that ...

Tech Tammina LLC

Embedded Software Engineer

Mossville, IL · On-site

$95K - $126K/yr

Embedded Software Engineer Candidate will need to relocate to one of following locations ... Mossville, IL Duration : 24-month contract Interview: In-person ideal, can be remote if candidate ...

Tech Tammina LLC

Embedded Software Engineer

Mossville, IL · On-site

$95K - $126K/yr

Mossville, IL (Onsite) Duration: 6-month contract Core Responsibilities: * Architectural Leadership: Design and own major autonomy software components across perception, localization, and planning ...

Actalent

Embedded Software Engineer

Schaumburg, IL · On-site

$55 - $120/hr

Embedded Software Engineer This role focuses on developing, integrating, and testing C++ embedded ... Job Type & Location This is a Contract position based out of Schaumburg, IL. Pay and Benefits The ...

Motorola

Embedded Software Engineer

Schaumburg, IL

$75K - $130K/yr

Candidates for this position are software engineers with strong programming skills who demonstrate ... Some contracts may have higher-level clearance requirements. Travel RequirementsNone Relocation ...

Motorola

Embedded Software Engineer

Schaumburg, IL

$66K - $95K/yr

Candidates for this position are software engineers with strong programming skills who demonstrate ... Some contracts may have higher-level clearance requirements. Travel RequirementsNone Relocation ...

Caterpillar

Senior Software Engineer

Chicago, IL · On-site

$112K - $183K/yr

Participate in solution design, API contract definition, payload schema design, and OpenAPI/Swagger ... Mentor software engineers through technical guidance, code reviews, and sharing of engineering best ...

Leidos

Network Software Engineer

Shiloh, IL · On-site

Leidos' Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Network Software Engineer located in the Scott AFB, IL area. The Network Software Engineer ...

Leidos

Network Software Engineer

Shiloh, IL · On-site

Leidos' Digital Sector/Global Solutions Management-Operations II (GSMO-II) contract has an opening for a Network Software Engineer located in the Scott AFB, IL area. The Network Software Engineer ...

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Showing results 21-40

All JobsSoftware Engineer Contract JobsSoftware Engineer Contract Jobs in Illinois

Software Engineer Contract information

See Illinois salary details

$61.5K

$143K

$199.1K

How much do software engineer contract jobs pay per year?

As of Sep 2, 2026, the average yearly pay for software engineer contract in Illinois is $142,954.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,300.00 and $167,600.00 per year, depending on experience, location, and employer.

What is a software engineer contract?

Software engineer contracts are agreements where software engineers are hired on a temporary basis to work on specific projects or for a set period of time, rather than as permanent employees. Contractors often work for multiple clients, are paid hourly or per project, and may have more flexible schedules. These contracts outline the scope of work, compensation, deadlines, and other terms. Contract software engineers are responsible for delivering quality code and meeting the requirements set by the client or organization. This working arrangement can offer more autonomy, but also less job security and benefits compared to full-time employment.

What are the key skills and qualifications needed to thrive as a software engineer contract?

To thrive as a Software Engineer Contract, you need strong programming skills, a solid understanding of software development methodologies, and a relevant degree or proven experience in computer science or related fields. Familiarity with source control systems (e.g., Git), cloud platforms, and proficiency in languages or frameworks required by the contract are crucial, as are any certifications in areas like AWS or Agile methodologies. Excellent problem-solving, adaptability, and communication skills help you quickly integrate with new teams and deliver results in diverse environments. These skills ensure you can efficiently contribute to projects, meet client expectations, and maintain professional flexibility across various assignments.

What are some common challenges faced by software engineers working on contract positions, and how can they be managed?

Software engineers on contract often face challenges such as quickly adapting to new codebases, understanding diverse team workflows, and managing changing project scopes. It's important to proactively communicate with team members, clarify project requirements early on, and stay organized to meet tight deadlines. Additionally, maintaining a strong personal workflow and being open to feedback can help contract engineers integrate more smoothly and deliver high-quality results within limited timeframes.

What is the difference between Software Engineer Contract vs Software Engineer Full-Time?

AspectSoftware Engineer ContractSoftware Engineer Full-Time
Employment TypeTemporary, project-basedPermanent, ongoing
Work EnvironmentTypically freelance or agency-basedCompany offices or remote
CredentialsUsually similar certifications and skillsSame as contract roles
BenefitsLimited or no benefitsHealth, retirement, paid leave

In summary, Software Engineer Contract roles are temporary positions focused on specific projects, often with fewer benefits, while Software Engineer Full-Time roles offer permanent employment with comprehensive benefits. Both roles require similar skills and credentials but differ mainly in employment stability and perks.

What are the most commonly searched types of Software Engineer jobs in Illinois?

The most popular types of Software Engineer jobs in Illinois are:

What are popular job titles related to Software Engineer Contract jobs in Illinois?

For Software Engineer Contract jobs in Illinois, the most frequently searched job titles are:

What job categories do people searching Software Engineer Contract jobs in Illinois look for?

The top searched job categories for Software Engineer Contract jobs in Illinois are:

What cities in Illinois are hiring for Software Engineer Contract jobs?

Cities in Illinois with the most Software Engineer Contract job openings:

Software Engineer Contract jobs near you
Infographic showing various Software Engineer Contract job openings in Illinois as of August 2026, with employment types broken down into 83% Full Time, 14% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $142,954 per year, or $68.7 per hour.

Embedded Software Engineer 4

Tech Tammina LLC

Mossville, IL • On-site

$95K - $126K/yr

Contractor

Re-posted 27 days ago

Job description

Titles: Embedded Software Engineer 4

Candidate will need to relocate to one of following locations: Mossville, IL

Duration: 6-12month contract (good potential for extension)

Main Skills Needed:

  • Expert level C++
  • experience building large scale production software systems
  • Autonomy / Robotics / Real-Time Systems experience 
  • Linux systems + concurrency + performance engineering
 
Education/Experience:
• Bachelor's degree in computer science, software engineering or relevant field required.
• 8-10 years experience