Senior R&D Software Developer Jobs in Louisville, KY

PACCAR is a Global 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 high-quality light-, medium- and heavy-duty trucks under the Kenworth, Peterbilt and DAF nameplates. PACCAR designs and manufactures advanced diesel engines and provides customized financial services, information technology and truck parts related to its principal business.  
   
Whether you want to design the transportation technology of tomorrow, support the staff functions of a dynamic, international leader, or build our excellent products and services — you can develop the career you desire with PACCAR. Get started!  

Dynacraft, a PACCAR Company, is headquartered in McKinney, TX. Dynacraft is a diversified global manufacturer of PACCAR medium and heavy-duty truck parts sold under the Kenworth, Peterbilt, and DAF nameplates. For more than forty years, Dynacraft has provided the company’s truck manufacturing divisions and PACCAR Parts service parts division with high quality components, subassemblies and specialized services. Dynacraft’s manufacturing facilities are located in Louisville, KY, and McKinney, TX.

The Software Developer is responsible for developing, implementing, maintaining, and supporting business and manufacturing applications that support Dynacraft operations. This role works closely with business users, senior developers, leadership, and technical teams to understand business requirements, develop effective solutions, and maintain reliable enterprise applications.

The position requires a strong foundation in software development, database technologies, application integrations, and Agile software development methodologies. The individual will assist in analyzing business needs, developing and supporting applications, troubleshooting issues, and contributing to continuous improvement efforts across the organization.

Application Development & Support

• Develop and support client-server and web-based applications utilizing MVC, C#, .NET Core, SQL Server, and related technologies.
• Develop and maintain REST and SOAP web services and API integrations.
• Analyze applications, system, and data-related issues to identify root causes and implement timely corrective actions.
• Support continuous improvement initiatives that enhance system performance, reliability, security, and user experience.
• Perform unit testing and support functional testing efforts to ensure software quality and stability.
• Create and update application documentation.

Business Analysis & Project Support

• Collaborate with management, business users, and senior developers cross-functionally to understand business requirements.
• Participate in solution architecture reviews that meet business requirements.
• Participate in project estimation activities, including affinity sizing and effort assessments.
• Follow established Software Development Life Cycle (SDLC) processes and Agile methodologies.

Technical Architecture & Project Support

• Develop software designs and technical architecture solutions that align with business needs and IT standards.
• Participate in project estimation activities, including affinity sizing and effort assessments.
• Support application deployment and implementation activities.
• Follow established Software Development Life Cycle (SDLC) processes and Agile methodologies.

Troubleshooting & Continuous Improvement

• Analyze applications, system, and data-related issues to identify root causes and implement corrective actions.
• Assist in developing testing strategies and resolution plans for technical problems.
• Support continuous improvement initiatives that enhance system performance, reliability, and user experience.
• Collaborate effectively with cross-functional teams to achieve project and operational objectives.

Required Skills and Qualifications:

• 3 to 5 years of related development experience.
• Experience with software development technologies, frameworks, and languages: C#, .NET Core, MVC Framework, SQL Entity Framework, Visual Studio, Git, MSQL, HTML, CSS, jQuery, Angular and/or React
• Ability to communicate complex technical concepts to audiences at all levels of the organization in a clear, concise, and understandable manner.
• Ability to translate business processes into technical concepts and solutions.
• Experience creating and executing application functional and unit tests.
• Ability to perform complex problem solving and troubleshooting.
• Familiar with agile development methodologies.
• Familiar with SDLC processes.

Preferred Skills and Qualifications:

• CI\CD configuration and development utilizing Azure pipelines GitHub actions.
• SQL normalization and optimization.
• Experience leveraging agentic AI tools for code generation, technical documentation creation, code analysis, and development productivity improvements.

• Bachelor of Science (B.S.) degree in Information Systems, Computer Science or related technical discipline.

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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

PACCAR has success with diverse teams of employees working together to achieve excellent results. Having a diverse and inclusive work environment ensures PACCAR has the talent needed to conduct business today and in the future by leveraging different backgrounds, skills, and viewpoints. We believe diversity in the workplace increases innovation, results in better decisions and increases employee engagement. 
 
PACCAR increases awareness through the efforts of global company-wide Diversity Councils and various employee resource groups that support initiatives & activities including multi-cultural events, outreach, mentorship programs, and more. PACCAR has been awarded the Top Company for Women to Work for in Transportation since 2018 by the Women In Trucking Association and Newsweek 2023 America’s Greatest Workplaces for Women. 
 
For more information, please visit our Diversity and Inclusion Commitment page: Diversity and Inclusion (https://jobs.paccar.com/content/Diversity-and-Inclusion/?locale=en_US) 

PACCAR is an Equal Opportunity Employer/Protected Veteran/Disability. At PACCAR, we value talent and promote growth and development. We carefully consider numerous compensation factors including your education, training, or experience. Additionally, this role is eligible for the full range of benefit options listed above. 
 
This is a safety-sensitive position, and the pre-employment drug testing includes cannabis testing.
 
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