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 Engineer (Backend & AI) We are seeking an experienced Lead Software Engineer (Backend & AI) to drive the design, development, and scaling of advanced backend systems and AI-powered solutions. In this role, you will combine deep backend engineering expertise with strong AI understanding, leading a team to deliver high-performance, data-driven products. You will play a key role in shaping system architecture, integrating AI capabilities, and ensuring production-grade reliability at scale. Key Responsibilities *Technical Leadership* Lead the architecture and development of scalable backend systems and APIs Design and implement AI-driven features, including AI model integration and inference pipelines Define and enforce best practices for distributed systems, data processing, and system reliability Own end-to-end system design, including performance, scalability, and security *AI & Data Engineering* Collaborate with data scientists/AI engineers to deploy, optimize, and monitor AI models in production Build and maintain data pipelines and infrastructure supporting AI workloads Ensure efficient model serving, versioning, and lifecycle management Optimize performance of AI components (latency, cost, scalability) *Team Leadership & Mentorship* Lead, mentor, and grow a team of backend and/or full-stack engineers Foster a strong engineering culture aligned with Israeli tech ecosystem standards (ownership, fast iteration, innova