Senior Software Engineer

Mastercard — Pune, India

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 Software Engineer Senior Software Engineer (Full Stack) At Mastercard, we are dedicated to delivering unparalleled customer experiences by pushing the boundaries of innovation. Our Network team is seeking a Senior Software Engineer to propel our customer experience strategy forward through unwavering innovation and adept problem-solving. The quintessential candidate is focused on the customer experience journey, exuding high motivation, an insatiable intellectual curiosity, exceptional analytical acumen, and a robust entrepreneurial mindset. About The Role - Build & deliver full‑stack solutions: backend (Java/Python/Node.js) and frontend (React.js), with high coding and security standards. - Design and develop around networked services (CDNs, load balancing, DNS, DHCP, IPAM); create and maintain public/private REST APIs. - Collaborate & lead across product, design, security, and platform; mentor engineers; uphold OWASP/CWE-aligned practices. - Document & communicate clearly: ADRs, runbooks, current API specs and system diagrams; share knowledge via reviews/tech talks. - Design for scale & reliability: clean architecture, domain modeling, performance optimization; contribute to capacity planning and SLOs. - Own quality end‑to‑end: write unit/integration/e2e tests; measure and improve coverage; practice TDD where it fits. - Automate delivery: build and manage CI/CD pipelines in Jenkins with gating, blue/green and canary rollout strategies. -

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