ZipRecruiter

Log In

1

Senior Net Software Developer Jobs in Belleville, IL

BJC HealthCare

Software II Developer

Saint Louis, MO · Remote

With net revenues of $6.3 billion and more than 30,000 employees, BJC serves patients and their ... Preferred Qualifications Role Purpose The software developer in Technology, skilled to work on ...

BJC HealthCare

Software II Developer

Saint Louis, MO · On-site

$76K - $124K/yr

With net revenues of $6.3 billion and more than 30,000 employees, BJC serves patients and their ... Preferred Qualifications Role Purpose The software developer in Technology, skilled to work on ...

bioMerieux

Sr. Software Engineer

Hazelwood, MO

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

bioMérieux

Sr. Software Engineer

Hazelwood, MO · On-site

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

BioFire Diagnostics

Sr. Software Engineer

Hazelwood, MO

$115K - $152K/yr

The Senior Software Engineer works within established architectural frameworks, enhances CI/CD and infrastructure as code solutions, and develops reliable data pipelines and governance practices. The ...

next page

Showing results 1-20

All JobsNet Software Developer JobsSenior Net Software Developer JobsSenior Net Software Developer Jobs in Belleville, IL

Senior Net Software Developer information

See Belleville, IL salary details

$35

$58

$76

How much do senior net software developer jobs pay per hour?

As of Jul 18, 2026, the average hourly pay for senior net software developer in Belleville, IL is $58.47, according to ZipRecruiter salary data. Most workers in this role earn between $51.35 and $65.38 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Senior .NET Software Developer, and why are they important?

To thrive as a Senior .NET Software Developer, you need advanced proficiency in C#, ASP.NET, object-oriented design, and a bachelor’s degree in computer science or related field. Familiarity with tools like Visual Studio, Azure DevOps, SQL Server, and experience with source control systems such as Git are typically required. Strong problem-solving, leadership, and effective communication skills help you navigate complex projects and mentor junior team members. These skills ensure robust, scalable application development and effective collaboration within software teams.

What are Senior .NET Software Developers?

Senior .NET Software Developers are experienced professionals who design, develop, and maintain software applications using the Microsoft .NET framework. They are responsible for writing high-quality code, leading technical projects, and mentoring junior developers. Their work often involves collaborating with other teams, ensuring application performance, and implementing best practices in software development. Senior .NET Developers are also expected to troubleshoot complex issues and contribute to the architectural decisions of their organization.

What Does a Senior .NET Software Developer Do?

A senior .NET software developer helps to create the framework for a web application or piece of software. In this career, you meet with clients or project managers to determine the scope of the project and then begin developing the project with your team. Your duties are to work with other developers, quality assurance analysts, and coders to program, code, and test software. .NET software development projects often require you to integrate database solutions into the project. As a senior developer, you may also have high-level supervisory responsibilities.

What are some common challenges a Senior .NET Software Developer faces when leading a project, and how can they be addressed?

As a Senior .NET Software Developer, one common challenge is balancing hands-on coding with mentoring junior team members and overseeing project architecture. Managing tight deadlines while ensuring code quality and maintaining up-to-date documentation can also be demanding. To address these challenges, it's important to establish clear communication channels, delegate tasks appropriately, and leverage agile methodologies for iterative progress. Regular code reviews and collaboration with cross-functional teams like QA and DevOps help ensure project success and professional growth.

What is the difference between Senior Net Software Developer vs Software Engineer?

AspectSenior Net Software DeveloperSoftware Engineer
Required CredentialsBachelor's in CS or related field, certifications like MCSD often preferredBachelor's or higher in CS or related field, certifications vary
Work EnvironmentTypically in enterprise or corporate settings, focusing on .NET technologiesVaries from startups to large companies, working on diverse projects
Industry UsageCommon in finance, healthcare, and enterprise software sectorsWidely used across tech, finance, healthcare, and more

Both roles require strong programming skills and experience with software development. Senior Net Software Developers focus specifically on .NET frameworks and enterprise applications, while Software Engineers may work across multiple platforms and technologies. The choice depends on the specific tech stack and industry focus.

More about Senior Net Software Developer jobs
What are popular job titles related to Senior Net Software Developer jobs in Belleville, IL? For Senior Net Software Developer jobs in Belleville, IL, the most frequently searched job titles are:
What job categories do people searching Senior Net Software Developer jobs in Belleville, IL look for? The top searched job categories for Senior Net Software Developer jobs in Belleville, IL are:
What cities near Belleville, IL are hiring for Senior Net Software Developer jobs? Cities near Belleville, IL with the most Senior Net Software Developer job openings:
Senior Net Software Developer jobs near you
Infographic showing various Senior Net Software Developer job openings in Belleville, IL as of July 2026, with employment types broken down into 81% Full Time, 8% Part Time, 1% Temporary, 9% Contract, and 1% Nights. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $121,626 per year, or $58.5 per hour.
C#/.NET Software Developer

C#/.NET Software Developer

The Timberline Group

Saint Louis, MO • On-site, Remote

Full-time

Re-posted 18 days ago

Job description

Role Overview:
We are seeking a mid-level C# .NET Developer to join our team in St. Louis, MO. You will have the opportunity to utilize a wide range of new development technologies while performing full life-cycle development of new projects as well as upgrading existing projects for our clients. We offer competitive salaries, full benefits, and a challenging fast-paced work environment.
Job Responsibilities:
•Develop New Applications & Services.
•Develop Enhancements for existing Applications & Services.
•Design and Estimate technical solutions per project requirements.
•Work with stakeholders & BA on defining project requirements.
•Participate in application QA and deployment.
•Participate in investigating and solving production issues.
Job Requirements:
Requirements:
•C# .NET - 4+ years' experience
•Experience in .NET Framework 4.5 or higher
•Full Life Cycle Development experience
•MVC .NET Framework 4 or higher - 3+ year's experience
•SQL Databases - 3+ years' experience
•Web API or WCF - 3+ years' experience
•Experience with Entity Framework
•Experience with writing unit tests
•Experience with Windows Services
•Frontend UI JS Framework experience
Preferences:
•SSRS Reports Experience a plus
•Agile Experience a plus
•Visual Studio 2017 or higher Experience a plus
•TFS 2017 Experience a plus
•Micro Services development Experience a plus
•PCI compliance environment Experience a plus
Education / Other Experience:
•Bachelor's degree in Engineering, Computer Science, Mathematics or scientific discipline or equivalence experience
•Accounting System Development experience a plus

Apply