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Senior Net Software Developer Jobs in Belleville, IL

The Timberline Group

Lead Software Developer

Saint Louis, MO · On-site +1

$112K - $141K/yr

... a Sr. Software Engineering role. * 6+ years of programming experience in C# .NET. * Past experience developing software as part of a team in a complex n-tier application environment comprising ...

Avani Technology Solutions, Inc.

Sr.Developer

Creve Coeur, MO · On-site

$51.50 - $65.50/hr

Net Core, C#, GO, Mongo/SQL, API, KAFKA, XUnit, GITHUB, Jenkins, JIRA, and POSTMAN Must have skill: This individual must be hands-on and strong in C#,.net framework fundamentals Excellent in ...

DCS Corp

Senior Level Software Developer

Saint Louis, MO

$53 - $70/hr

We are seeking a Software Engineer to support unique systems solutions for the National Geospatial-Intelligence Agency (NGA). We are seeking a Software Engineer to support our client's intelligence ...

Chenega MIOS

Mid Software Developer

O Fallon, IL · On-site

Req ID: 41105 Summary Mid Software Developer OFallon, IL Are you ready to enhance your skills and ... From entry-level employees to senior leaders, we believe theres always room to learn. We offer ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Rapsodo

Senior Software Developer

Saint Louis, MO

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Rapsodo

Senior Software Developer

Saint Louis, MO · On-site

$53 - $70/hr

Powered by Athletes who get it, and Engineers who can do it. Role Purpose This role exists to be the connective tissue between cross-functional teams, translating complex system trade-offs into clear ...

Genesis10

Entry Level Software Developer

Saint Louis, MO · On-site

$60K/yr

... Senior Engineers in an immersive, hands-on environment $2,500 relocation assistance Two years of client project experience Hourly pay rate of $24.04 (~$50k annually) or $28.85 (~$60k annually ...

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

Senior Net Software Developer information

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$58

$76

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

As of Jul 17, 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.
Lead Software Developer

Lead Software Developer

The Timberline Group

Saint Louis, MO • On-site, Remote

$112K - $141K/yr

Full-time

Posted 5 hours ago

Job description

The Lead IT Software Developer is a well-rounded expert on the team in Front-End frameworks (Aurelia, Angular and such) and Back-End (Microsoft SQL and C#/.NET). He / She is the go-to person for any questions or direction relating to technologies for his/her assigned team and may be a resource for other experts around the organization. The lead developer works closely with/or is the architect to ensure that the technology fits within the overall architecture and create guidelines and standards in the use of technology. While the architect on the team has overall responsibility for the big picture view of the architecture for the system and the overall working of the system, the lead developers is responsible for making sure that specific technology (or technologies) where he/she is the expert is applied appropriately within the team.
Job Responsibilities:
The individual in this role is a senior member of the IT team who is able to understand the use of the technology, the best practices surrounding its use and how to apply it within the particular project or team. The person is part of prototyping or may even lead some of the prototyping / proof-of-concept activities. The individual guides and mentors other members of the team in their adoption of the particular technology. All this happens within the framework and process created by the architecture team, and the architecture team has the ultimate approval authority on the adoption of a particular technology. The individual will have the responsibility for the low-level design based on the high-level framework provided by the team's architect.
The lead developers also participates in the design and development activities. Because of the leadership roles, the lead developer is expected to take on complex design, development and troubleshooting tasks. The individuals leads by example by producing high quality implementation that sets the standards for how the technology is used within the team.
The lead developer also collaborates with other leaders within the organization and End-Clients to establish cross-team standards, liaising with the architect and other senior members of other application development teams. The individual also participates in researching new technologies within the organization.
Assist with other project or departmental activities as needed.
Requirements:
  • Bachelor's degree in Engineering, Computer Science, Mathematics or scientific discipline.
  • 10+ years IT experience, with at least 8 years of software development experience, and with 2+ years in a Sr. Software Engineering role.
  • 6+ years of programming experience in C# .NET.
  • Past experience developing software as part of a team in a complex n-tier application environment comprising websites, web services, databases, SOA etc.
  • Experience with Microservices architecture.
  • Experience writing SQL queries, stored procedures, and working with SQL Server.
  • Experience with Entity Framework, Web API and RESTful services.
  • Experience working with SPA applications.
  • Experience developing high quality software while adhering to unit and integration testing guidelines in an agile environment and CI/CD practices.
  • Strong programming experience with Object-Oriented Design principles and design patterns.
  • Demonstrated ability to guide and mentor other technical staff.
  • Excellent communication skills.

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