The Software Engineer II (Workday Extend and Integrations) will lead the design, development, implementation, and support of enterprise-grade Workday solutions. This role requires deep technical expertise with Workday Extend and Workday Integrations, combined with strong leadership and stakeholder engagement skills. The ideal candidate will serve as a technical leader, partnering closely with HR and external vendors to deliver scalable, secure, and maintainable solutions that support critical business processes. In addition to hands-on development responsibilities, this individual will help establish engineering standards, mentor team members, develop solution designs, and drive technical excellence across the Workday ecosystem. This is an on-site position located in Springfield, MO. Remote work is not an option for this position. Responsibilities and Duties: Solution Design & Development Design, develop, deploy, and support Workday Extend applications that address complex business requirements. Design and implement Workday integrations using a variety of integration technologies and patterns, including EIB, Orchestrations, Core Connectors, Studio, and REST/SOAP services. Lead technical discovery sessions and translate business requirements into scalable technical solutions. Design integrations and solutions across multiple Workday functional domains, including HCM, Payroll, Benefits, and Recruiting. Ensure solutions are designed for scalability, maintainability, observability, security, and audit/compliance requirements. Develop and maintain production-grade solutions that support business-critical processes and data flows. Technical Leadership Serve as a senior technical resource and subject matter expert for Workday Extend and Integrations. Establish and maintain technical standards, development best practices, and reference architectures. Review and approve technical designs, code, and implementation approaches produced by internal engineers and external consultants. Provide mentorship and technical guidance to team members and project stakeholders. Drive continuous improvement initiatives related to Workday development and integration practices. Technical Analysis & Documentation Lead technical discovery and requirements analysis for Workday enhancements, integrations, and application development initiatives. Author comprehensive technical specifications, solution design documents, interface specifications, and implementation plans for Workday projects and enhancements. Translate business and functional requirements into detailed technical designs that can be executed by internal teams and external partners. Ensure technical documentation is maintained throughout the project lifecycle and accurately reflects deployed solutions. Collaborate with functional teams to evaluate change requests and determine technical feasibility, complexity, risks, and implementation approaches. Stakeholder Collaboration Partner with HR to define requirements and develop solution strategies. Communicate technical concepts and tradeoffs effectively to both technical and non-technical stakeholders. Act as a trusted advisor for Workday platform capabilities, limitations, and best practices. Operational Support Troubleshoot and resolve production issues involving Workday applications, integrations and data discrepancies. Perform root cause analysis and implement corrective and preventive measures. Support integration monitoring, alerting, and operational readiness activities. Own and maintain technical documentation, architecture diagrams, support procedures, and knowledge transfer materials. Skills: Required: 4+ years of hands-on Workday Integration development experience. 3+ years of hands-on Workday Extend development experience. Proven track record delivering and supporting production-grade Workday applications and integrations supporting business-critical processes. Strong expertise in Workday Extend application development. Extensive experience developing Workday integrations using: Enterprise Interface Builder (EIB) Workday Orchestrations Core Connectors Workday Studio REST and SOAP web services Experience designing and implementing integrations across: Human Capital Management (HCM) Payroll Benefits Recruiting Strong understanding of the Workday Business Process Framework. Experience troubleshooting integration failures, production incidents, and data reconciliation challenges. Demonstrated ability to design solutions with a focus on scalability, maintainability, observability, and compliance. Demonstrated experience authoring technical specifications and solution design documentation for Workday projects, enhancements, and integrations. Ability to translate business requirements into detailed technical designs, integration mappings, data flow diagrams, and implementation plans. Experience facilitating technical design reviews and obtaining alignment among business, functional, security, and engineering stakeholders. Preferred: Workday certifications in Extend and/or Integrations. Professional software engineering background with experience applying modern engineering principles and practices. Experience with Workday reporting, calculated fields, and the Workday security model. Experience working within enterprise architecture, governance, and security frameworks. Familiarity with CI/CD practices and automated testing approaches for Workday solutions. Education: Bachelor's Degree in Computer Science or related field Experience: Experienced practitioner able to work unsupervised (18 months to 3 years) Managerial Experience: Basic experience of coordinating the work of others (4 to 6 months) O’Reilly Auto Parts has a proven track record of growth and stability. O’Reilly is full of successful career stories and believes in a strong promote-from-within philosophy, encouraging you to grow your career along with the organization. Total Compensation Package: Competitive Wages & Paid Time Off Stock Purchase Plan & 401k with Employer Contributions Starting Day One Medical, Dental, & Vision Insurance with Optional Flexible Spending Account (FSA) Team Member Health/Wellbeing Programs Tuition Educational Assistance Programs Opportunities for Career Growth O’Reilly Auto Parts is an equal opportunity employer. The Company does not discriminate on the basis of race, religion, color, national origin or ancestry (including immigration status or citizenship), sex, sexual orientation, gender identity, pregnancy (including childbirth, lactation, and related medical conditions,) age (40 and over), veteran status, uniformed service member status, physical or mental disability, genetic information (including testing or characteristics) or another protected status as defined by local, state, or federal law, as applicable. Qualified individuals with a disability may be entitled to reasonable accommodation under the Americans with Disabilities Act. If you require a reasonable accommodation during the application or employment process, please send an email to: rar@oreillyauto.com or call (800) 471-7431 option , and provide your requested accommodation, and position details. Your first job at O’Reilly Auto Parts is just the beginning! From a comprehensive benefits and compensation package to a rewarding and positive work environment, your leaders will support you and foster your development so you can grow with the company. Our promote-from-within philosophy means our top leaders worked their way up – and you can, too. Learn more about our culture, benefits, and history at oreillyauto.com/careers.