Workday Integration Developer Jobs in Missouri (NOW HIRING)

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 Integration Engineer - Workday
Overview
The P&C Engineering team designs, develops, and implements technology solutions that improve and engage Mastercard employees across the globe.
• Do you enjoy building enterprise applications that solve complex business challenges at global scale?
• Do you have a passion for architecting innovative Workday solutions that improve employee experiences?
• Do you thrive in environments where modernization, automation, AI, and continuous improvement are strategic priorities?
• Can you connect business strategy with technical architecture and guide engineering teams toward the right solution?
This role serves as a Lead Integration Engineer, responsible for architecting enterprise applications, modern employee experience, and scalable platform capabilities. You will lead the evolution of Mastercard's Workday platform through Workday Extend, AI, automation, APIs, and modern application development.
Role
• Lead the architecture, design, development, testing, implementation, documentation, and support of enterprise applications using Workday Extend.
• Architect scalable solutions leveraging Workday Extend, Orchestrate, APIs, Studio, Core Connectors, EIBs, and Workday Web Services.
• Design reusable application frameworks, shared services, and engineering patterns that accelerate platform delivery.
• Define technical architecture, security models, development standards, and engineering best practices across the Workday platform.
• Partner with Product, Engineering, Security, and Business teams to deliver scalable, secure, and modern employee solutions.
• Lead delivery activities within Agile engineering teams, partnering with Product Owners and stakeholders to prioritize work, refine requirements, support backlog management, participate in sprint planning, and drive iterative delivery of Workday platform capabilities.
• Promote Agile engineering practices and continuous improvement through effective planning, estimation, retrospectives, delivery metrics, and operational excellence.
• Balance strategic platform initiatives, technical debt reduction, operational support, and feature delivery to maximize business value, platform stability, and engineering efficiency.
• Analyze and optimize Workday business processes, integration workflows, and platform delivery processes to improve operational efficiency, reduce manual effort, and enhance employee experiences.
• Identify workflow bottlenecks and opportunities for automation, leveraging Workday, AI, integrations, and reusable services to streamline end-to-end business processes.
• Establish repeatable engineering and operational workflows utilizing automation, observability, reusable components, and standardized development practices to improve platform reliability, scalability, and delivery speed.
• Evaluate emerging Workday capabilities and prototype innovative solutions that advance Mastercard's HR technology strategy.
• Lead architecture reviews, code reviews, technical governance, and engineering quality across multiple teams.
• Drive platform modernization through AI, automation, observability, reusable components, and operational excellence.
• Support critical production issues, root cause analysis, and continuous platform improvement.
All About You
• Extensive hands-on experience developing enterprise applications using Workday platform.
• Strong proficiency/understanding of Workday Extend architecture, application lifecycle, security, user experience, and platform capabilities.
• Strong experience with Workday Integrations including Studio, Orchestrate, Core Connectors, EIBs, APIs, and Workday Web Services.
• Advanced experience with REST APIs, SOAP, JSON, XML, XSLT, and enterprise integration patterns.
• Experience defining enterprise architecture, reusable frameworks, engineering standards, and platform best practices.
• Strong analytical and problem-solving skills with the ability to solve complex technical and business challenges.
• Proven ability to influence stakeholders and communicate effectively with technical and non-technical audiences.
• Experience mentoring engineers and leading enterprise technical initiatives across multiple teams.
• Experience with CI/CD, automation, AI-assisted development, monitoring, and modern software engineering practices.
• Workday Extend certification and Workday Integration certifications strongly preferred.
• Passion for innovation, platform engineering, continuous learning, and driving technical excellence..
• Experience working in Agile software delivery environments, including backlog refinement, sprint planning, estimation, iterative delivery, and continuous improvement practices.
• Demonstrated ability to prioritize competing initiatives, balance strategic and operational work, and deliver high-quality solutions within Agile frameworks.
• Experience evaluating and improving business processes, integration workflows, and operational procedures through automation, platform engineering, and process optimization best practices.
• Proven ability to identify workflow inefficiencies, develop scalable automation solutions, and implement process improvements that enhance productivity, reliability, and employee experience.
Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.
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.

In line with Mastercard's total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary and may be eligible for an annual bonus or commissions depending on the role. The base salary offered may vary depending on multiple factors, including but not limited to location, job-related knowledge, skills, and experience. Mastercard benefits for full time (and certain part time) employees generally include: 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; and many more. Mastercard benefits for interns generally include: 56 hours of Paid Sick and Safe Time; jury duty leave; and on-site fitness facilities in some locations.
Pay Ranges
O'Fallon, Missouri: $122,000 - $207,000 USD