Senior Application Developer

Company Information

PACCAR is a Fortune 500 company established in 1905. PACCAR Inc is recognized as a global leader in the commercial vehicle, financial, and customer service fields with internationally recognized brands such as Kenworth, Peterbilt, and DAF trucks. PACCAR is a global technology leader in the design, manufacture and customer support of premium light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates and also provides customized financial services, information technology and truck parts related to its principal business.

Peterbilt Motors Company
On highways, construction sites, city streets, logging roads - everywhere our customers earn their living - Peterbilt's red oval is a familiar symbol of performance, reliability and pride.  Peterbilt has reigned as America's premium quality truck manufacturer since the company's founding in 1939. Our dedication to deliver products and services focused on improving customers' performance, image, profitability and peace of mind truly makes Peterbilt the Class of the Industry.

Requisition Summary

The Peterbilt Application Development Team is seeking a Senior Application Developer with expertise in Microsoft.net development technologies. This role involves working within an agile development team to design, build, enhance, and support proprietary systems for Peterbilt Motors Company. Responsibilities include collaborating with product owners and business analysts on user stories, software design, development, unit testing, deployment coordination with operations, and contributing to research and development efforts for new technologies, systems, and process improvements. The ideal candidate will be highly motivated, self-directed, adept at problem-solving, possess strong communication and presentation skills, and exhibit the ability to collaborate effectively with management and operations at all levels of the organization.

Job Responsibilities

• Develop and support API Connect and Web Services (REST, SOAP, gRPC, SignalR).


• Designing, developing, and supporting enterprise applications using various web and client technologies.


• Conducting research, troubleshooting, and resolving complex software problems.


• Leading medium to large strategic projects, as well as other support and development assignments.


• Collaborating with business users and product owners to develop, refine, and document user stories.


• Creating technical specifications and architecture.


• Having aggressive learning goals and a willingness to support business partners using 24x7 applications that require some on-call support responsibilities.


• Occasional travel, including international.

Required Qualifications

• Bachelor's Degree in Information Systems, Computer Science/Electrical Engineering, or related field required.


• 7+ years of experience in developing web and client applications using .NET Framework, .NET Core / .NET 6, ASP .NET, C#, MVC, React, and Signal R.


• Ample experience working with Microsoft SQL Server, and Entity Framework.


• Experience working with Blazor, XML, YAML, Python, JavaScript, TypeScript, Bash, Powershell, Groovy, JSON.


• Two years’ experience working with AWS Cloud, micro services and/or containers.


• Two years’ experience working with AI tools such as Microsoft CoPilot, CoPilot X for GitHub.

Required Qualifications Cont.

• Windows Forms, Web Forms, WCF & ASMX Services, REST (Web API), hosting using IIS Server.


• Solid knowledge and experience in software testing, including unit testing, integration testing, and acceptance testing.


• Strong understanding and experience with CI/CD tools such as AzureDevOps / Octopus.


• Highly experienced with agile software development practices.


• Experience working with and creating Automated Unit Testing.


• Demonstrated Software design and Technical Architecture Experience.


• Thorough understanding of Agile and Scrum methodologies.


• Solid understanding of design patterns and best practices in software engineering.


• Ability to work effectively in a self-organizing distributed team environment.


• Highly self-motivated and flexible with a focus on delivery.


• Ability to work well with others and demonstrate strong communication skills and self-motivation.

General Description of all Benefits

As a U.S. PACCAR employee, you have a full range of benefit options including:

• 401k with up to a 5% company match


• Fully funded pension plan that provides monthly benefits after retirement


• Comprehensive paid time off – minimum of 10 paid vacation days (additional days are provided with additional seniority/years of service), 12 paid holidays, and sick time


• Tuition reimbursement for continued education


• Medical, dental, and vision plans for you and your family


• Flexible spending accounts (FSA) and health savings account (HSA)


• Paid short-and long-term disability programs


• Life and accidental death and dismemberment insurance


• EAP services including wellness plans, estate planning, financial counseling and more


• This position is also eligible for a holiday gift.

Additional Job Board Information

PACCAR is an E-Verify & Equal Opportunity Employer/Protected Veteran/Disability corporation. Peterbilt promotes Diversity and Inclusion through mentorship, events, and affinity support groups – The Diversity Council, Peterbilt Women’s Initiative (PBWIN), Veterans Group, Peterbilt Black Organization for Leadership & Development (B.O.L.D.), and ADVOCATE (an LGBTQ+ support group).

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