.NET Application Developer (Junior & Mid-Level)

Sonepar

$70K — $95K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Computer Science, IT, or related field
  • Minimum three years of experience as a Full-Stack Application Developer
  • Proven experience with .NET applications and MVC frameworks
  • Experience building and supporting APIs and web applications
  • Knowledge in system integrations with XML and JSON

Responsibilities

  • Participate in both front-end and back-end development
  • Design and maintain software solutions end-to-end
  • Build scalable and secure web applications
  • Troubleshoot and resolve application issues
  • Collaborate with teams to deliver innovative solutions
  • Contribute to enhancements and improvement initiatives

Benefits

  • Healthcare plans
  • Dental & vision coverage
  • Paid time off and paid parental leave
  • 401(k) retirement plan with company match
  • Employer-paid disability and life insurance
  • Professional and personal development programs
  • Opportunities for employee share ownership
  • Wellness programs including gym reimbursement
  • Employee Assistance Program (EAP)
Full Job Description
Sonepar is seeking Junior and Mid-Level .NET Application Developers to join our growing technology team. This is an exciting opportunity to work on innovative, enterprise-scale solutions, contribute to high-impact projects, and collaborate with cross-functional teams in a dynamic environment. As a member of our development team, you will play a key role in designing, developing, and maintaining high-quality software applications that support business-critical operations across the organization.

Location: Broomfield, Colorado
Work Arrangement: Hybrid

Key Responsibilities
  • Participate in both front-end and back-end application development.
  • Design, develop, and maintain end-to-end software solutions.
  • Build scalable, secure, and high-performing web applications.
  • Troubleshoot, diagnose, and resolve application issues to ensure optimal performance and reliability.
  • Collaborate with business partners, product teams, and fellow developers to deliver innovative technology solutions.
  • Contribute to application enhancements, integrations, and continuous improvement initiatives.


Required Qualifications

Qualified candidates must:
  • Hold a Bachelor's degree in Computer Science, Information Technology, or a related field.
  • Possess a minimum of three (3) years of experience as a Full-Stack Application Developer within a large and complex organization.
  • Demonstrate experience designing, developing, and supporting:
    • .NET applications utilizing ASP.NET and MVC frameworks
    • Application Programming Interfaces (APIs)
    • Modern, responsive web user interfaces
    • Highly scalable web-based applications and components
    • System integrations utilizing XML, JSON, and related technologies
    • Productivity and business applications leveraging web and mobile technologies


Technical Skills & Experience

Candidates should demonstrate strong proficiency in the following areas:
  • Microsoft .NET Framework and ASP.NET MVC
  • C# and Object-Oriented Design principles
  • Visual Studio IDE
  • Microsoft SQL Server and relational database technologies
  • RESTful services and Web API development
  • End-to-end web application development, from user interface through data access layers
  • Rich web application UI development
  • JavaScript, TypeScript, jQuery, JSON, HTML, and CSS
  • Cross-browser application development and support
  • Application architecture, design patterns, and scalable solution development


Work Authorization Requirement

Applicants must be legally authorized to work in the United States for Sonepar on a full-time basis. Sonepar does not provide employment visa sponsorship now or in the future for these positions.

What We Offer You

We offer great family-friendly benefits to full-time associates:
  • Healthcare plans
  • Dental & vision
  • Paid time off
  • Paid parental leave
  • 401(k) retirement savings with company match
  • Professional and personal development programs
  • Opportunity to become a shareholder
  • Employer-paid short- and long-term disability
  • Employer-paid life insurance for spouse and dependents
  • Robust wellness program
  • Gym reimbursement
  • Employee Assistance Program (EAP)

We're proud to be a military-friendly company, and our many employee resource groups (ERGs) help you make connections and feel supported.

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