Mastercard - IT - Software Development

Senior Data Scientist role at Mastercard in Purchase, US, driving open banking innovation. You will develop machine learning and deep learning models for transaction classification, risk evaluation, and fraud detection using NLP and statistical techniques. Requires 5-7 years of experience with Py...

Lead Cryptographic Security Engineer sought by Mastercard in Dublin 18 to drive cryptographic roadmap and enforce key management standards. You will analyze current implementations, provide secure design advice for web/mobile apps, and guide teams on compliance. Requires deep cryptography knowled...

Senior Specialist, Design Technologist role in Dublin 18, Ireland. Bridge design and engineering within Mastercard’s Developer Experience team. Build high-fidelity prototypes using React, Next.js, and Figma to validate API features. Own design system specs, reduce handoff ambiguity, and test conc...

Lead AI Engineer sought by CNPF Data & AI in Dublin 18 to drive hands-on delivery of production-grade AI and agentic systems. This senior individual contributor role blends software engineering, ML engineering, and applied data science. You will build scalable ML services, lead technical directio...

Mastercard seeks a Manager, Site Reliability Engineering (SRE) in Warsaw to lead production readiness for global financial products. You will drive platform stability, automate operations, and mentor teams using Unix, SQL, and scripting. This role demands strong analytical skills and experience w...

Senior Software Engineer – Test Automation (Java) role in Warsaw, Poland. Join Mastercard's Developer Experience team to build and maintain high-quality automated tests and frameworks. Requires 5+ years of experience, strong Java skills, and expertise in API, UI, and distributed systems testing. ...

Senior Data Analyst role at Mastercard in Portugal. Leverage Python & SQL to analyze billions of transaction rows, build pricing models, and optimize authentication products. Ideal for experts in payments/fintech analytics with strong visualization skills (Tableau/Power BI). Drive commercial insi...

Senior Site Reliability Engineer sought in Warsaw, Poland to optimize and support Oracle-based Data Warehouse platforms. This role demands expert SQL/PL/SQL tuning, performance analysis, and a deep understanding of Oracle architecture. You will ensure high availability, drive automation, and reso...