Jobs / United States / Mastercard International Incorporated
Senior Full Stack Software Engineer
Mastercard International Incorporated · 🇺🇸 O'Fallon, Missouri
Sponsorship verdict
Sponsorship possible
One solid signal, not two — worth applying, and worth asking about sponsorship early.
- Employer is on a government sponsor recordThe US Department of Labor certified 76 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 286 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
- The posting doesn’t mention sponsorshipSilence isn’t a refusal — ask the recruiter before investing much time.
- No salary bar for this routeH-1B has no fixed salary bar: the employer must pay at least the prevailing wage for the role and area. Cap-subject employers enter a lottery weighted by wage level. Source: https://www.federalregister.gov/documents/2025/12/29/2025-23853/weighted-selection-process-for-registrants-and-petitioners-seeking-to-file-cap-subject-h-1b, rules effective 2026-02-27.
- What Mastercard International Incorporated paid sponsored hires in similar roles10 certified filings for “Senior Software Engineer” (Software Developers) in MO: $115k–$138k, median $127k. Most were filed at wage level II (50%) — 2 lottery entries, ≈31% projected selection odds for cap-subject employers. Source: US Department of Labor LCA disclosure data (Oct 2025 – Jun 2026).
- Confirmed live todayWhen a source last listed this job as open.
US H-1B: cap-subject employers enter a lottery weighted by wage level — Level I gets 1 entry, Level IV gets 4 (DHS projected selection odds ≈15% at Level I to ≈61% at Level IV). Universities and non-profit research employers are cap-exempt. The $100,000 fee for new petitions from abroad is currently blocked by a court order (appeal pending).
A verdict summarises public evidence; it is not legal advice and never a guarantee — the employer and the immigration authority decide. Sign in to factor in where you can already work.
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Sponsor Radar — Mastercard International Incorporated
The US Department of Labor certified 76 H-1B/E-3 labor condition applications for this employer between Oct 2025 and Jun 2026 (latest Jun 2026) — the step every H-1B hire needs first. USCIS also records 286 H-1B approvals in FY2023. Source: LCA disclosure data (US Department of Labor (OFLC)).
Past sponsorship or register membership never guarantees sponsorship for this vacancy or for you. Full Sponsor Radar for Mastercard International Incorporated →
About the role
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 Senior Full Stack Software Engineer Overview The Enterprise Data Catalog team builds solutions that help employees discover, understand, and use data across Mastercard. The team partners with Product, Data Science, Data Governance, and Engineering teams to improve data discovery, metadata management, and platform integration capabilities. 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 role combines application development, system integration, technical design, and collaboration across multiple teams to deliver scalable, secure, and maintainable solutions. As a Senior Full Stack Software Engineer, you will: -Design, build, and enhance enterprise applications using React, Angular, and Java. -Translate business requirements into effective technical solutions. -Contribute to technical planning, estimation, software design, architecture, testing, and delivery. -Create RESTful APIs and integrations that connect data catalog tools with -enterprise platforms and data sources. -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. -Evaluate development approaches and recommend engineering best practices. -Advance CI/CD pipelines, deployment automation, stability testing, and performance monitoring. -Implement unit, functional, and integration testing to support reliable software delivery. -Apply secure coding practices throughout the software development lifecycle. -Conduct code reviews and provide technical guidance to other engineers. -Improve application performance, scalability, reliability, observability, and supportability. -Diagnose complex application, integration, and production issues and implement lasting solutions. -Contribute to the continued improvement of team services, development standards, and DevOps practices. All About You -5+ years of software engineering experience building and supporting enterprise applications. -Strong React, Angular, and Java development expertise. -Proven success delivering scalable, multi-tier applications. -REST API design, integration, and Swagger/OpenAPI documentation. -Technical design experience within distributed systems and microservices environments. -Strong foundation in data structures, algorithms, and software engineering principles. -Experience integrating applications across databases, platforms, and data sources. -Familiarity with Oracle, PostgreSQL, SQL Server, MySQL, MongoDB, Hadoop/HDFS, or Amazon S3. -CI/CD, Jenkins, and modern DevOps practices. -Unit, functional, and integration testing methodologies. -Secure coding practices and application security fundamentals. -Code review, performance optimization, and production support experience. -Skilled at troubleshooting complex technical issues and identifying root causes. -Ability to mentor engineers and influence engineering best practices. -Adaptability to evolving technologies, pri