Mastercard
Senior Software Integration Engineer - Workday Integrations and Extend
O'Fallon, Missouri, USA · Senior · Part-time
Stay score
odds of building a lasting career here
Sponsors, but it's cap-subject — you still face the weighted lottery (~45% per draw at Level III). Good if you win; have a cap-exempt backup on your list.
Lottery odds assume a STEM candidate.
Personalize to your clock →H-1B wage level
the lottery is wage-weighted — each level is one more entry
$9,310 more — $105,310 — moves this role to Level II and 2 lottery entries. That figure is inside the range the employer already advertised.
Based on the DOL prevailing wage for this occupation and worksite, a base salary of $105,310 would place this position at wage Level II. That figure is within the posted range, and I'd like to target it. This role classifies under "Software Developers" for prevailing-wage purposes.
DOL prevailing wage, 2026-27 wage year · Software Developers (15-1252) · St. Louis, MO-IL. Wage level is derived by USCIS from the offered wage, occupation and worksite; the occupation shown is inferred from the job title.
Employer immigration record
from this employer's Department of Labor filings
Green-card filing pattern in this occupation
Green-card follow-through: 100%
Files H-1B transfers
Sourced from Department of Labor LCA, PERM and prevailing-wage disclosure data. Employer matching is by name, so figures may be split across an employer's legal entities. Absence of a filing means none appears in our copy of the data, not that none exists.
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About the role
- 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?
- Evaluate new Workday Extend capabilities, prototype ideas, and share what you learn with the team.
Responsibilities
- 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.
- Create reusable components, shared services, and patterns that help our team deliver Extend solutions faster and more consistently.
- Develop and support integrations using Studio, Orchestrate, Core Connectors, EIBs, REST and SOAP APIs, and Workday Web Services.
- 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.
- Build with Workday Extend
- Build and maintain integrations
- Partner with Product Owners, Security, Engineering, and business stakeholders to refine requirements and translate them into well-designed technical solutions.
Requirements
- 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.
- Strong analytical and problem-solving skills, with the ability to break down complex technical and business challenges.
- Experience in Agile delivery environments, including backlog refinement, sprint planning, estimation, and iterative delivery.
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.
- We hire the most qualified candidate for the role.
- The Reasonable Accommodations team will respond to your email promptly.
- Corporate Security Responsibility
- Abide by Mastercard's security policies and practices
- Ensure the confidentiality and integrity of the information being accessed
Compensation
- 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 dependi
Benefits
- Participate in architecture discussions, design reviews, and code reviews, offering feedback and learning from teammates.
This listing is sourced directly from Mastercard's careers page and normalized into a canonical job model.