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Mastercard · 11 hours ago

Lead Software Engineer - Workday

O'Fallon, MO

Full-time

Onsite

Senior Level, Lead/Staff

$140K/yr - $231K/yr

5+ years exp

Mastercard is a global technology company in the payments industry, aiming to connect and power an inclusive digital economy. The Lead Software Engineer for Workday will be responsible for leading the design and delivery of Workday integration solutions, ensuring high system reliability and operational efficiency while collaborating with various stakeholders.

FinanceFinancial ServicesInformation TechnologyPayments

Growth Opportunities

H1B Sponsor Likely

Responsibilities

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

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

Qualification

Workday integrationWorkday StudioREST/SOAP APIsData transformationIntegration error handlingXMLJSONWorkday ExtendAnalytical skillsProblem-solving skillsDocumentation skillsCollaboration skills

Required

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 processes across Multiple Workday Modules (HCM, Compensation, Absence, Time Tracking, Benefits, Payroll, and Security)

4+ years of experience with complex reports, calculated fields, and business process design

3+ years of experience with data transformation, validation, 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

Hands-on experience with Workday Extend or familiarity with developing custom apps that enhance Workday functionality

Experience leading technical design workshops, developing test strategies, and managing integration cutover activities

Prior experience working in global environments with complex integration landscapes

Experience collaborating with cross-functional HR, IT, and security teams

Deep passion for Workday technology, automation, business problem-solving, and integration modernization

Preferred

Workday Integration or Studio certification preferred; Extend certification is a plus

Benefits

Insurance (including medical, prescription drug, dental, vision, disability, life insurance)

Flexible spending account and health savings account

Paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave)

80 hours of Paid Sick and Safe Time

25 days of vacation time and 5 personal days, pro-rated based on date of hire

10 annual paid U.S. observed holidays

401k with a best-in-class company match

Deferred compensation for eligible roles

Fitness reimbursement or on-site fitness facilities

Eligibility for tuition reimbursement

56 hours of Paid Sick and Safe Time

Jury duty leave

On-site fitness facilities in some locations

Company

Mastercard

Glassdoor4.2

Mastercard is a financial network that processes payments between banks and cardholders.

Founded in 1966

Purchase, New York, USA

10001+ employees

http://www.mastercard.com

H1B Sponsorship

Mastercard has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (540)

2024 (319)