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Lead Software Engineer (Connex)

Mastercard · Pune, India

experiencedPune, IndiaPosted 29 Jul 2026

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Mastercard is hiring a Lead Software Engineer (Connex) in Pune.

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 (Connex)

Requirements

  • Highly experienced in Connex on HP NonStop development background.
  • Understanding of financial industry hardware such as HSM’s HP Nonstop and related standards and security requirements including PCI and OWASP.
  • Understanding of online payment transaction processing.
  • Experience of TCP/IP and communication protocols.
  • Strong knowledge of TAL, COBOL, SCOBOL and TACL
  • Knowledge of HP Non-Stop protocols, security and utilities
  • Strong understanding of financial industry protocols including ISO8583, ISO20022, LIS5, VISA, MasterCard or ATM message protocols.
  • Knowledge of some of GoldenGate, Electronic File Transfers, Java, UNIX, Spring, Hibernate, XML.
  • Proven development experiences a solid background as a developer across various platforms.
  • Proven technical testing experience within Agile environments, particularly with BDD methodologies.
  • Be comfortable with regular demonstrations to stakeholders and comfortable with pair programming.
  • Exceptional communication skills, with the ability to collaborate effectively within a multidisciplinary team.
  • Excellent time management and organisational abilities.
  • Strong problem-solving skills and a proactive attitude.
  • Genuine passion for testing, development, and technology design across diverse full stack platforms.
  • Demonstrated experience in both functional and non-functional automated testing.

About Mastercard

We are seeking a talented Lead Connex Software Development Engineer to join our engineering organisation supporting UK Critical National Infrastructure (CNI) payment products, based in Pune. This role operates within a globally distributed delivery model, partnering closely with established onshore teams to deliver and maintain high-availability, mission-critical systems. The successful candidate will contribute to the ongoing evolution and stability of key payment platforms within a scaled Agil

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