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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Integration Engineer - Workday Integrations and Extend - **Company:** Mastercard - **Location:** Tallahassee, FL, United States - **Experience:** Expert - **Salary:** $96,000.0 - $163,000.0 - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Artificial Intelligence, Applications Architecture, Application Lifecycle Management, Code Review, Cyber Security, Continuous Integration, JSON, Scrum Methodology, Workday Integrations, Simple Object Access Protocol (SOAP), Systems Integration, Web Services, Extensible Markup Language (XML), Extensible Stylesheet Language Transformations (XSLT), Enterprise Application Integration, Enterprise Software Applications, SOAPAPI, Technical Debt, Workday Business Process, Integration Frameworks, EIB, Restful APIs, Workday - **Published:** October 22, 2026 - **Apply:** https://dejobs.org/x/x/7784C3A990AF4550A46B59679DB7A809/job/ ## About the Role * Hands-on experience building, supporting, and optimizing applications with Workday Extend, including application architecture, data models, pages, security, and the full application lifecycle. * Hands-on experience developing enterprise applications on the Workday platform. * Solid experience with Workday integrations, including Studio, Orchestrate, Core Connectors, EIBs, APIs, and Workday Web Services. * Proficiency with REST, SOAP, JSON, XML, XSLT, and common enterprise integration patterns. How you work * Strong analytical and problem-solving skills, with the ability to break down complex technical and business challenges. * Clear communication with both technical and non-technical audiences. * Experience in Agile delivery environments, including backlog refinement, sprint planning, estimation, and iterative delivery. * Ability to manage competing priorities across project work and operational support. * Interest in mentoring teammates and helping raise the team's technical bar. Nice to have * Workday Extend and Workday Integration certifications (strongly preferred). * Experience with CI/CD, automation, monitoring, and AI-assisted development. * Experience improving business processes or integration workflows through automation. * A passion for innovation, continuous learning, and technical excellence. ## Description The P&C Engineering team designs, develops, and implements technology solutions that improve and engage Mastercard employees across the globe. We're building the next generation of our Workday platform, and Workday Extend is at the center of it. * Do you enjoy building enterprise applications that solve complex business challenges at global scale? * Are you excited by the idea of turning employee needs into polished, secure Workday Extend applications? * Do you thrive where modernization, automation, and AI are strategic priorities? * Do you like working alongside engineers, product partners, and business teams to find the right solution together? As a Senior Software Integration Engineer, you'll be a hands-on builder on our Workday Integrations team, with a strong focus on Workday Extend. You'll bring hands-on Extend development experience and use it to build new employee applications, support and optimize the Extend applications we already run, and deliver the integrations behind them using Orchestrate, APIs, and Studio. You'll work closely with our Lead engineers and architects, contributing your ideas to technical direction while owning the delivery of your own solutions. Role Build with Workday Extend * Design, develop, test, deploy, and support enterprise applications using Workday Extend, including data models, pages, business process integration, and security configuration. * Take Extend applications from concept through the full application lifecycle, including documentation and ongoing support. * Support and maintain our existing Extend applications, partnering with users and Product to resolve issues, respond to enhancement requests, and keep them reliable and secure. * Optimize existing Extend applications for performance, usability, and maintainability, including refactoring, reducing technical debt, and adopting new Workday Extend capabilities as they become available. * Create reusable components, shared services, and patterns that help our team deliver Extend solutions faster and more consistently. * Evaluate new Workday Extend capabilities, prototype ideas, and share what you learn with the team. Build and maintain integrations * Develop and support integrations using Studio, Orchestrate, Core Connectors, EIBs, REST and SOAP APIs, and Workday Web Services. * Apply sound integration patterns and development standards so solutions are secure, observable, and maintainable. * Contribute to modernizing existing integrations through automation, AI-assisted development, and reusable components. Collaborate and deliver * Partner with Product Owners, Security, Engineering, and business stakeholders to refine requirements and translate them into well-designed technical solutions. * Contribute to Agile ceremonies, including backlog refinement, sprint planning, estimation, and retrospectives, and help us keep improving how we deliver. * Balance new feature delivery, Extend application optimization, technical debt reduction, and operational support to keep the platform stable and valuable. * Participate in architecture discussions, design reviews, and code reviews, offering feedback and learning from teammates. * Help troubleshoot production issues, perform root cause analysis, and drive lasting fixes. * Mentor junior engineers and contractors through pairing, code reviews, and knowledge sharing. Improve how we work * Spot workflow bottlenecks and manual effort in Workday business processes and integrations, and help automate them using Workday, AI, and reusable services. * Help us build repeatable engineering practices with CI/CD, monitoring, and standardized development approaches., 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.