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Software Engineer Contract Jobs in Illinois (NOW HIRING)

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

Scott Air Force Base, IL · On-site

$69K - $125K/yr

Description 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 ...

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

Scott Air Force Base, IL · On-site

$69K - $125K/yr

Description 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 ...

Ironclad

$210K - $235K/yr

Contracts move faster, insights surface instantly, and agents push work forward, all with you in ... Engineering at Ironclad As a Staff Software Engineer at Ironclad, you'll partner closely with ...

Caterpillar

Lead Software Engineer

Chicago, IL · On-site

$128K - $208K/yr

As a Lead Software Engineer, you will provide technical leadership and drive the delivery of ... Build API-first solutions, define service contracts, payload schemas, and OpenAPI/Swagger ...

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Showing results 41-60

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.

Frontend Software Engineer

Staffingine LLC

Moline, IL • On-site

Contractor

Re-posted 15 days ago

Job description

Job Title: Frontend Software Engineer 
Job Location: Moline, IL 

Job Type: Contract 

Job Description:  

Major Purpose: 

  • This position works with the engineering lead and tech leads to analyze requirements, prepare design specifications, implement and integrate features, coordinate with others, and write and test code to deliver moderately complex functionality on a complete product or significant portion of a product it supports.  

  • This position works on continuous improvement projects (performance, quality, cost) based on specialized knowledge of engineering applications. 

  • This position leads in resolution of medium to difficult technical issues. 

  • This position leads to the resolution of production issues in a timely manner based on SLAs. 

Required Skills/Experience 

  • ReactJS & TypeScript: Strong proficiency in building modular, reusable UI components and managing state effectively in a micro frontend architecture. 

  • Micro Frontends: Experience designing and integrating independently deployable frontend modules to support scalable and maintainable UI systems. 

  • Java Spring Boot: Solid understanding of building RESTful APIs and backend services using Spring Boot in a microservices environment. 

  • CI/CD & DevOps: Experience with automated build, test, and deployment pipelines; familiarity with GitHub Actions 

  • API Integration: Ability to consume and expose APIs securely and efficiently across frontend and backend layers. 

Desired Skills/Experience 

  • AWS Cloud Services: Experience deploying and managing applications using AWS services such as ECS Fargate, Dynamo, CloudWatch, CloudFormation, and Terraform. 

  • DynamoDB: Familiarity with NoSQL data modeling, query optimization, and integration with backend services. 

Testing Frameworks:  

  • Knowledge of unit and integration testing tools like Jest, RTL, JUnit and Bruno.  

  • Monitoring & Logging: Familiarity with tools like Datadog or AWS CloudWatch for observability and debugging. 

  • Agile Methodologies: Comfortable working in Agile/Scrum environments with tools like Jira and Confluence. 

Education Details 

  • Bachelor’s or master's degree in computer science, Software Engineering, or a related field. 

Required Skills 

  • ReactJS and TypeScript: building modular UI components and managing state in micro frontend architecture 

  • Micro Frontends: designing and integrating independently deployable frontend modules 

  • Java Spring Boot: building RESTful APIs and backend services in a microservices environment 

  • CI/CD and DevOps: automated build, test, and deployment pipelines 

  • API Integration: consuming and exposing APIs securely across frontend and backend layers 

  • Preferred or Nice-to-have Skills 

  • AWS Cloud Services: deploying and managing applications using ECS Fargate, Dynamo, CloudWatch, CloudFormation, and Terraform 

  • DynamoDB: NoSQL data modeling, query optimization, and integration with backend services 

  • Testing Frameworks: unit and integration testing tools like Jest, RTL, JUnit, and Bruno 

  • Monitoring and Logging: tools like Datadog or AWS CloudWatch for observability and debugging 

  • Agile Methodologies: working in Agile/Scrum environments with tools like Jira and Confluence