Lead Software Engineer - Workday

Location: O'Fallon

** Our Purpose
*** Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we’re helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.
*** Title and Summary**### Lead Software Engineer - Workday###   Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.  

Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Overview    As part of a forward-thinking team driving change on a large scale, you'll play a key role in enhancing our People & Capability Technology ecosystem and promoting a culture of technical excellence. You’ll bring a focus on process automation and leverage your expertise to create innovative solutions. By keeping business priorities in focus, you will collaborate with a dynamic team that thrives on teamwork and a shared commitment to success.
As a Workday Integration Lead:  
• Lead end-to-end integration design and delivery — including requirements gathering, technical design, development, configuration, validation, and deployment of Workday integrations using Studio, Orchestrations, Core Connectors, EIB, RaaS, and REST/SOAP APIs.  
• Manage data mapping, transformation, and validation processes across inbound and outbound integrations ensuring accuracy, consistency, and compliance.  
• Oversee integration lifecycle management, including environment strategy, code promotion, testing (unit, regression, end-to-end), and production hypercare.  
• Develop and maintain integration playbooks, reusable templates, and governance frameworks to standardize future efforts and reduce delivery time.  
• Serve as a trusted advisor on Workday integration best practices and design patterns, collaborating with HR, IT, and business stakeholders.  
• Prepare for and lead activities around Workday releases, including impact analysis, regression testing, and adoption of new integration or Extend features.  
• Design and deliver scalable, automated, and reusable integration solutions that enable high system reliability and operational efficiency across the Workday ecosystem.
Role:  The Lead Software Engineer, Workday Integrations, will lead the successful delivery of Workday integration and Extend solutions. In this role, you will:  
• Design and develop integrations leveraging Workday Studio, Orchestrations, EIB, Core Connectors, RaaS, and REST/SOAP web services to connect Workday with external platforms such as payroll providers, benefits administrators, and internal data services.  
• Own integration architecture, configuration, and error-handling frameworks, ensuring consistency across global and multi-entity environments.  
• Build, test, and deploy integration business processes, calculated fields, condition rules, and data transformations to support operational workflows.  
• Establish and maintain integration documentation standards, including technical design documents, data mappings, and configuration guides to enable scale and knowledge sharing.  
• Drive automation through Workday Extend applications and REST-based microservices to enhance usability and streamline processes.

Qualifications:

• 5+ years of hands-on Workday integration experience, including Studio, Orchestrations, Core Connectors, EIB, RaaS, REST, and SOAP.  
• Strong understanding of Workday data model and business…