Senior Software Engineer, Workday Integrations (Payroll)

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
Senior Software Engineer, Workday Integrations (Payroll)
Who is Mastercard?
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
Are you passionate about improving the working lives of thousands of people by providing them with better tools and experiences? Do you thrive on automation, simplification, and solving complex problems that don't have straightforward solutions? If you enjoy identifying and resolving system risks while connecting business needs with technical solutions, this role offers the opportunity to make a significant impact.
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 Senior Software Engineer, Workday Integrations (Payroll):• Design, develop, and support end-to-end Workday integrations, with a primary focus on Payroll, including requirements analysis, technical design, development, configuration, validation, and deployment using Workday Integrations• Build and maintain inbound and outbound payroll integrations with external payroll providers, tax engines, benefits systems, and internal platforms, ensuring accuracy, timeliness, and compliance.• Manage data mapping, transformation, reconciliation, and validation processes across payroll and downstream integrations.• Support the full integration lifecycle, including environment strategy, code promotion, unit testing, regression testing, end-to-end testing, and production hypercare-particularly for payroll-critical integrations.• Contribute to the global Payroll Modernization initiative, helping modernize legacy payroll integrations, introduce standard patterns, and enable scalable payroll processing across countries and regions.• Implement robust error handling, monitoring, and logging frameworks to proactively identify and resolve payroll integration issues.• Prepare for and participate in Workday releases, including payroll impact analysis, regression testing, and adoption of new payroll and integration capabilities.• Design and deliver scalable, automated, and reusable integration solutions that improve system reliability and operational efficiency across the Workday ecosystem.
Role:
The Senior Software Engineer, Workday Integrations (Payroll), will be a hands-on contributor responsible for the successful delivery and support of Workday integration solutions, with a strong emphasis on Payroll. In this role, you will:
• Design and develop integrations leveraging Workday Studio, Core Connectors, EIB, RaaS, PECI, PECOF, PICOF, and REST/SOAP web services to connect Workday with payroll providers, benefits administrators, tax services, and internal data platforms.• Own integration configuration, technical design, and error-handling frameworks to ensure consistency across global, multi-entity payroll environments.• Build, test, and deploy integration business processes, calculated fields, condition rules, and data transformations supporting payroll and operational workflows.• Establish and maintain integration documentation standards, including technical design documents, data mappings, configuration guides, and operational runbooks.• Support automation initiatives through Workday Extend or REST-based services that enhance payroll processing and reduce manual effort.
Qualifications:• 3+ years of hands-on Workday integration experience, including Studio, Core Connectors, EIB, RaaS, PECI, PECOF, PICOF, REST, and SOAP.• Strong understanding of the Workday data model and business processes, with demonstrated experience supporting Payroll integrations.• Experience across multiple Workday modules, including HCM, Payroll, Time Tracking, Absence, Benefits, Compensation, and Security.• 4+ years of experience with complex reports, calculated fields, and business process design.• 3+ years of experience with data transformation, validation, reconciliation, and integration error handling.• Proficient in XML, XSLT, JSON, XSD, and integration debugging techniques.• Strong experience with API authentication, encryption, certificates (x509/PGP), and SFTP/data exchange frameworks.• Experience working in global payroll or payroll modernization initiatives, involving multiple countries, payroll calendars, vendors, or regulatory requirements, is highly preferred.• Prior experience working in complex, global integration landscapes.
All About You:• Ability to analyze existing integration landscapes and identify technical debt related to payroll accuracy, retroactivity, performance, scalability, and operational risk.• Workday Integration or Studio certification preferred; Payroll certification or hands-on PECI/PECOF experience is a strong plus.• Strong collaboration skills, with experience working closely with Payroll, HR, IT, Finance, and Security teams.• Detail-oriented and structured, maintaining documentation, version control, and audit readiness for payroll-critical integrations.• Curious and forward-looking-actively engages with Workday Community, monitors payroll-related releases, and proposes modernization opportunities.• Strong analytical, problem-solving, and communication skills; able to explain complex technical concepts to both technical and functional stakeholders.• Proven ability to manage competing priorities and deliver high-quality results in time-sensitive payroll environments.• Comfortable working independently or as part of an agile team, contributing through technical excellence and continuous improvement.
Corporate Security Responsibility
All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard's security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard's guidelines.