Full-Stack Developer II

Sonepar USA; Broomfield (CO); Hybrid; USD 90,000 - 110,000; Full time

Benefits offered by this job

Healthcare plans

Dental & vision

Paid time off

401(k) retirement savings with company

Paid parental leave

Professional and personal development

Opportunity to become a shareholder

Disability insurance

Life insurance for spouse and dependen

Wellness program

Gym reimbursement

Employee Assistance Program (EAP)

Job summary

Sonepar USA is seeking a Full Stack .NET Application Developer II in Broomfield, CO with hybrid work flexibility. You will contribute to both client‑facing and internal systems, building scalable web apps using C#, ASP.NET MVC, JavaScript, and REST APIs.

A bachelor's degree and 4+ years in a full‑stack role are required. You’ll collaborate with cross‑functional teams, participate in design and maintenance, and help deliver high‑quality software solutions on modern tech stacks.

Qualifications

• Bachelor's degree in Computer Science or related field.
• Minimum of 4 years in a full stack application developer role in a large/complex org.
• Experience designing and building NET (ASP.NET MVC) components, APIs and rich web UIs.
• Experience with REST and Web API.
• Strong knowledge of UI through data access layer; relational databases.

Responsibilities

• Work on front-end and back-end development activities.
• Build and maintain end-to-end solutions.
• Troubleshoot and debug applications for optimal performance.

Skills

C# / .NET

MVC Framework

REST API

JavaScript

TypeScript

JSON / XML

HTML / CSS

SQL Server

Visual Studio

JQuery

Education

Bachelor's degree in Computer Science or related field

Tools

ASP.NET MVC

SQL Server

Visual Studio

REST API

TypeScript

JavaScript

JQuery

HTML

Job description

Sonepar Management Group (SMG) supports our Sonepar brands (i.e. operating companies) in the US through a shared services model. These services include, but are not limited to: human resources, finance, digital enterprise, supply chain, vendor relations, marketing, legal, and communications. The SMG teams enable our brands to do business in their local regions while taking advantage of the scale and collective resources of a global enterprise.

SMG foster an inclusive and supportive culture. We offer leadership and development programs to help you reach your career goals. Our associates share in our collective achievements, and we firmly believe that Sonepar is “Powered by Difference.” By driving technology and innovation, enabling paths to success, and caring about our people and their families, we have built a workplace where you can build a fulfilling career.

We are seeking a Full Stack .NET Application Developer II. Individuals must be authorized to work in the United States for Sonepar without VISA sponsorship now or in the future. As part of our team, you will work on cutting‑edge projects, develop high‑quality software solutions, and collaborate with cross‑functional teams to deliver exceptional results.

These positions are based in our Broomfield, Colorado location on a Hybrid Schedule.

Core Responsibilities

• Work on both front-end and back-end development activities
• Build and maintain end-to-end solutions
• Troubleshoot and debug applications to ensure optimal performance

Qualifications

Qualified applicants must:

• Possess a bachelor's degree in Computer Science or related field.
• Possess a minimum of 4 years within a full stack application developer role across a large and complex organization
• Actively participate in the design, build and maintenance of the following:
  • NET (ASP and MVC) components, application program interfaces and rich web user interfaces
  • Highly scalable components in multiple web applications
  • Integration efforts using XML, JSON, etc.
  • Productivity applications leveraging web based and mobile technologies like TypeScript, JavaScript, JQuery, etc.

Ability To Demonstrate Capabilities In The Following Areas

• NET Framework (ASP.NET MVC) Visual Studio IDS and Microsoft SQL Server.
• Strong understanding of Web Application development from UI through Data Access Layer
• Comprehensive understanding and proven capability designing and developing in C# / MVC.
• Strong Experience in REST and Web API.
• Working knowledge of relational database technology.
• Proven understanding and proficiency with rich web application UI development.
• Strong experience with JavaScript, Typescript, JSON, HTML, CSS, and cross browser development.
• Strong understanding of Object Oriented Design.

Individuals must be authorized to work in the United States for Sonepar without VISA sponsorship now or in the future.

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.

Learn More About Us

Get to know us on LinkedIn, Facebook, Instagram and Youtube and learn how we’re “Powering Progress for Future Generations.”

Learn more about us and our Sonepar family of brands: https://www.soneparusa.com/us-en/about-us

Equal Employment Opportunity Statement

Sonepar is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to their race, color, creed, religion, national origin, citizenship status, ancestry, sex, age, physical or mental disability unrelated to ability, marital status, family responsibilities, pregnancy, genetic information, sexual orientation, order of protection status, protected veteran or military status, or an unfavorable discharge from military service, or any other categories protected by federal, state or local law.

Sonepar and our family of brands are committed to the full inclusion of all qualified individuals. In keeping with our commitment, we will take the steps to assure that people with disabilities are provided reasonable accommodations. Accordingly, if a reasonable accommodation is required to fully participate in the job application or interview process, to perform the essential functions of the position, and/or to receive all other benefits and privileges of employment, please call 843-745-2420 or email [e-mail].