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Software Development Software Engineer Jobs in Belleville, IL

Mid-level Software Engineer

Saint Louis, MO · On-site

$100K - $105K/yr

Mid-level Software Engineer at DLS Engineering (on-site) DLS Engineering is seeking a Mid-level ... This utilizes secure cloud environments, and a modern agile development methodology making data ...

We are seeking a Software Engineer to support our client's intelligence analysis products and capabilities. This position involves providing software development capabilities to enhance existing and ...

Drive best practices in coding standards, architecture, and software development processes. * Mentor junior engineers and contribute to team growth through knowledge sharing and technical guidance.

Software Engineer Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for ... Lead full-stack software development of enterprise applications and services supporting our ...

Principal Software Engineer

Saint Louis, MO · On-site

$150K - $157K/yr

Principal Software Engineer at DLS Engineering (on-site) DLS Engineering is seeking a Principal ... This utilizes secure cloud environments, and a modern agile development methodology making data ...

Senior Software Engineer

Saint Louis, MO · On-site

$118K - $126K/yr

This role requires strong full-stack Python experience, with a focus on API development, Kubernetes deployment, and modern DevOps practices to accelerate delivery. The Senior Software Engineer will ...

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Software Development Software Engineer information

See Belleville, IL salary details

$61.7K

$143.3K

$199.6K

How much do software development software engineer jobs pay per year?

As of Jun 9, 2026, the average yearly pay for software development software engineer 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 does a Software Development Software Engineer do?

A Software Development Software Engineer designs, develops, tests, and maintains software applications or systems. They work with various programming languages and technologies to create software solutions that meet user or business needs. Their responsibilities often include writing code, debugging issues, collaborating with other team members, and ensuring software quality and performance. Software Engineers may also participate in planning, code reviews, and updating documentation to support ongoing software projects.

What is the difference between Software Development Software Engineer vs Software Developer?

AspectSoftware Development Software EngineerSoftware Developer
CredentialsBachelor's in CS or related field, certifications optionalBachelor's in CS or related field, certifications optional
Work EnvironmentCollaborative teams, Agile/Scrum settings, cross-functional projectsIndividual or team projects, coding-focused tasks
Industry UsageUsed across tech companies, startups, and large enterprisesCommon in software firms, tech startups, and freelance work
Search & Comparison IntentOften compared for roles involving system design and architectureTypically searched for coding and application development roles

While both roles involve software creation, a Software Development Software Engineer often focuses on system design, architecture, and collaborative project management, whereas a Software Developer primarily concentrates on coding and implementing software solutions. The engineer role may require broader technical knowledge and involvement in the development lifecycle, making it suitable for those interested in both design and coding aspects of software projects.

How do Software Development Software Engineers typically collaborate with cross-functional teams during a project?

Software Development Software Engineers often work closely with product managers, designers, and quality assurance teams to deliver well-rounded solutions. Collaboration usually involves attending regular stand-up meetings, participating in sprint planning, and conducting code reviews. Effective communication and a willingness to incorporate feedback from various stakeholders are key to ensuring project goals are met and potential issues are identified early. Building strong relationships with colleagues in different roles can also streamline the development process and foster a positive team environment.

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

To thrive as a Software Development Software Engineer, you need proficiency in programming languages (such as Python, Java, or C++), problem-solving abilities, and typically a bachelor’s degree in computer science or a related field. Familiarity with version control systems (like Git), integrated development environments (IDEs), and knowledge of software development methodologies (such as Agile or Scrum) are commonly required. Strong collaboration, communication, and adaptability are essential soft skills for working effectively in team environments and responding to project changes. These skills and qualities are crucial for building reliable, maintainable software and contributing to successful, dynamic development projects.
What job categories do people searching Software Development Software Engineer jobs in Belleville, IL look for? The top searched job categories for Software Development Software Engineer jobs in Belleville, IL are:
What cities near Belleville, IL are hiring for Software Development Software Engineer jobs? Cities near Belleville, IL with the most Software Development Software Engineer job openings:
Sr. R&D Software Engineer

$113K - $149K/yr

Other

Posted 3 days ago


Job description

Sr. R&D Software Engineer

Apex Systems is seeking a Sr. R&D Software Engineer for a 12+ month contract position to join our client within the medical device industry.

Job description:

Senior Embedded Software Engineer

This is not an IT position, but an R&D position to develop new products that contain embedded system software. 6 plus years of professional software development experience, medical device development experience a plus; C programming experience required.

To the extent permitted by applicable law, candidates must be fully vaccinated against COVID-19 to be considered for this U.S. based job. In accordance with federal law reasonable accommodations for medical or religious exemptions will be considered.

Skills: Experience with electromechanical device development is preferred.