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 Role Summary We are seeking a skilled Software Engineer with strong foundations across software design, testing, performance engineering, and operability. The role focuses on building scalable, secure, and high-quality applications while ensuring reliability and performance across the software lifecycle. Key Responsibilities • Software Design & Development o Translate business and technical requirements into scalable, maintainable, and secure designs o Develop and maintain high-quality software solutions using modern engineering practices • Architecture Support o Contribute to system architecture discussions, ensuring alignment with scalability, performance, and security standards o Apply established architectural patterns and design principles • Quality Engineering o Design and execute unit, functional, and integration tests o Ensure high test coverage and reliability across services and applications o Drive defect prevention through early testing practices • Performance Engineering o Analyze and optimize application performance under varying workloads o Conduct performance testing, tuning, and monitoring to meet SLAs • Secure Coding & Compliance o Follow secure coding practices to prevent vulnerabilities o Ensure adherence to enterprise security standards and guidelines • Code Quality & Reviews o Participate in peer code reviews to ensure maintainability, readability, and adherence to standards o Continuously improve co

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