Mastercard
Senior Full Stack Software Engineer
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
$10,882 more — $125,882 — moves this role to Level III and 3 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 $125,882 would place this position at wage Level III. 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 intent detected
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
- 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
Responsibilities
- This role combines application development, system integration, technical design, and collaboration across multiple teams to deliver scalable, secure, and maintainable solutions.
- Design, build, and enhance enterprise applications using React, Angular, and Java.
- Contribute to technical planning, estimation, software design, architecture, testing, and delivery.
- Build capabilities that support metadata discovery, data profiling, business glossaries, search, enrichment, and bulk data uploads.
- Develop services that retrieve, transform, store, and transfer data between systems.
- Partner with Product Managers, Data Scientists, Data Governance professionals, and engineers to deliver roadmap priorities.
- Implement unit, functional, and integration testing to support reliable software delivery.
- Diagnose complex application, integration, and production issues and implement lasting solutions.
- REST API design, integration, and Swagger/OpenAPI documentation.
- Technical design experience within distributed systems and microservices environments.
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
Company info
- We are seeking a Senior Full Stack Software Engineer with strong React, Angular, and Java development expertise to help build and enhance the applications that power these capabilities.
This listing is sourced directly from Mastercard's careers page and normalized into a canonical job model.