Jobs / United States / Mastercard International Incorporated
Lead Software Development 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 Lead Software Development Engineer Overview Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. The Cyber & Intelligence (C&I) organization is responsible for Mastercard's security and risk-related product development efforts, delivering innovative solutions focused on cybersecurity, authentication, fraud prevention, risk mitigation, and dispute resolution across the global payments ecosystem. We are seeking a highly skilled Lead Software Engineer to drive architecture, design, development, modernization, and operational excellence for mission-critical platforms. This role combines deep technical expertise, hands-on software engineering, architectural leadership, and mentoring to deliver secure, scalable, resilient, and high-performing solutions. Role • Drive the architectural design of software solutions, including dependent services, service interactions, integration patterns, technology standards, and governance practices. • Design and build scalable, resilient, fault-tolerant platforms that meet performance, security, availability, and maintainability requirements. • Lead technical decision-making and architecture reviews across multiple systems and engineering teams. • Act as a hands-on developer and architect, writing high-quality, secure, modular, maintainable, and testable code. • Create, evaluate, test, and deploy innovative technologies that optimize existing products and enable new business opportunities. • Develop and maintain technology roadmaps focused on platform modernization, performance improvements, reliability, and cost optimization. • Contribute across the full software development lifecycle including requirements analysis, design, development, documentation, testing, deployment, and ongoing support. • Design and implement comprehensive testing strategies including unit, functional, integration, regression, and automated testing to ensure solution quality and reliability. • Champion Test-Driven Development (TDD) and Behavior-Driven Development (BDD) practices across engineering teams. • Lead code reviews and enforce engineering standards to ensure code quality, maintainability, security, and consistency with organizational best practices. • Embed secure software development practices throughout the software development lifecycle, including secure design reviews, threat modeling, vulnerability remediation, and adherence to secure coding standards. • Drive performance engineering initiatives through capacity planning, performance testing, system optimization, and scalability improvements. • Own the operational characteristics of delivered solutions, including observability, monitoring, logging, alerting, reliability, maintainability, and recoverability. • Ensure systems are designed for operational excellence by implementing robust monitoring, diagnostics, and support capabilities. • Lead root cause analysis and resolution of complex production issues, driving continuous improvements to platform stability, resiliency, and service availability. • Guide the modernization of legacy platforms using microservices archit