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, easy, 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

Overview--The Lead Software Engineer provides technical leadership for the Transaction Lookup Services (TLS) platform, driving the design, development, and support of scalable, resilient, and secure transaction lookup APIs and data services. This role partners with Product, TPMs, Architects, Data Engineering, and Operations teams to deliver enterprise solutions supporting transaction processing, disputes, chargebacks, refunds, and historical transaction retrieval capabilities. The position is responsible for defining technical direction,



mentoring engineers, and ensuring operational excellence across the platform.

Role-

• Lead the architecture, design, and development of microservices and APIs using Java, Spring Boot, REST, and gRPC to support mission-critical transaction lookup services.
• Design and implement highly scalable, low-latency solutions leveraging Oracle, SQL, PL/SQL, Hadoop, Hive, Impala, and Spark for transactional and historical data retrieval.
• Define API contracts, integration patterns, and service standards while ensuring security through TLS/mTLS, OAuth, JWT, and secure coding practices.
• Drive performance optimization efforts across application and database layers, including query tuning, indexing strategies, caching, and capacity planning.
• Lead modernization initiatives utilizing Kubernetes, Docker, cloud-native architectures, CI/CD pipelines, and Infrastructure as Code practices.
• Collaborate w

📌 Lead Software Engineer (Pune)
🏢 Mastercard
📍 Pune