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Software Engineer Contract Jobs in Belleville, IL

LRS

Senior Software Engineer

Saint Louis, MO

$60 - $70/hr

This contract-to-hire opportunity offers the chance to design, develop, and support enterprise ... using modern software engineering practices. Design and implement solutions utilizing Azure ...

New

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 ...

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 1-20

All JobsSoftware Engineer Contract JobsSoftware Engineer Contract Jobs in Belleville, IL

Software Engineer Contract information

See Belleville, IL salary details

$61.7K

$143.3K

$199.6K

How much do software engineer contract jobs pay per year?

As of Aug 24, 2026, the average yearly pay for software engineer contract in Belleville, IL is $143,290.00, according to ZipRecruiter salary data. Most workers in this role earn between $116,600.00 and $168,000.00 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 Belleville, IL?

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

What job categories do people searching Software Engineer Contract jobs in Belleville, IL look for?

The top searched job categories for Software Engineer Contract jobs in Belleville, IL are:

What cities near Belleville, IL are hiring for Software Engineer Contract jobs?

Cities near Belleville, IL with the most Software Engineer Contract job openings:

Software Engineer Contract jobs near you
Infographic showing various Software Engineer Contract job openings in Belleville, IL as of August 2026, with employment types broken down into 82% Full Time, 15% Part Time, and 3% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $143,290 per year, or $68.9 per hour.

Senior Software Engineer

Trinity Global Consulting

Springfield, VA • On-site

$128K - $168K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 17 days ago

Job description

Duties may include:
  • Determine operational feasibility by evaluating analysis, problem definition, requirements, solution development and proposed solutions.
  • Document and demonstrating solutions by developing documentation, flowcharts, layouts, diagrams, charts, code comments and clear code.
  • Develop software solutions by studying information needs; studying systems flow, data usage and work processes; investigating problem areas.
  • Tailor and deploy software tools, processes and metrics as needed.
  • Provide information by collecting, analyzing and summarizing development and service issues.
  • Automate tasks through appropriate tools and scripting.
  • Develop architectures that are inherently secure, robust, scalable, modular, and API-centric.
  • Provide software design recommendations to the program manager and Chief Software Engineer.
  • Coordinate software development activities within product lines.
  • Ensure product line software development follows industry and SEI best practices.
  • Assist the Product Line Program Manager in establishing and tracking software metrics.
  • Report software risks to the Chief Systems Engineer and Chief Software Engineer through the ERB.
  • Ensure software is documented and brought under Configuration Management.

Requirements
Required:
  • Bachelor's degree or higher in Computer Science, Information Technology, Management Information Systems, or related STEM degree.
  • Senior-level experience deploying microservices into cloud environments.
  • Senior-level experience using software development tools to estimate functions points, estimate complexity, develop virtual machines, cloud environments.
  • Senior-level experience with history of successful software deployments.

Desired:
  • Master's degree or higher in Engineering, Computer Science, Information Technology, Management Information Systems, or related STEM degree.
  • Senior-level experience in designing, maintaining and recapitalizing IT systems.
  • Senior-level experience in refactoring, containerization and hosting applications in a LINUX platform and infrastructure as a service environment.
  • Demonstrated experience with MBSE, processes, tools and languages.

Benefits
At Trinity Global Consulting (TGC), we value our employees and provide a comprehensive benefits package that includes:
  • Medical, Dental & Vision Coverage - Coverage for eligible employees and family through CareFirst and VSP.
  • Paid Time Off - PTO granted in accordance with contract requirements.
  • Paid Holidays - 11 federal holidays observed annually.
  • Disability & Life Insurance - Short-term/long-term disability, life insurance, and AD&D coverage included.
  • 401(k) Retirement Plan - Competitive plan managed through Ameritas.
  • Professional Training - Formal training provided as required, with additional learning opportunities based on role.

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