Lead Software Engineer (Connex)
Mastercard · Pune · Posted 2026-07-28
Tech stack: Java, Unix
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About the role
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 Agile (SAFe) environment.
Responsibilities:
- The Software Engineer will be responsible for:
- Agile Delivery (SAFe Framework)
- Working within an established Scrum team aligned to SAFe, contributing to sprint planning, execution, and continuous improvement initiatives.
- Distributed Team Collaboration
- Collaborating closely with onshore engineering teams to deliver features, resolve defects, and ensure seamless integration across the delivery lifecycle.
- Application Development & Maintenance
- Designing, developing, and maintaining solutions across a multi-technology stack.
- Production Support & Reliability
- Supporting critical live systems, ensuring performance, resilience, and adherence to enterprise standards and controls.
- Continuous Improvement
- Contributing to engineering best practices, automation, and process enhancements to improve delivery efficiency and quality.
Qualifications:
- We are looking for a technically strong and collaborative Software Engineer who thrives in a complex, enterprise-scale environment.
- Key requirements include:
- 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.
- Hands-on automation testing expertise using open-source technologies such as Selenium, Cucumber, Gherkin, Spring, etc.
Qualifications
- We are looking for a technically strong and collaborative Software Engineer who thrives in a complex, enterprise-scale environment.
- Key requirements include:
- 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.
- Hands-on automation testing expertise using open-source technologies such as Selenium, Cucumber, Gherkin, Spring, etc.
Responsibilities
- The Software Engineer will be responsible for:
- Agile Delivery (SAFe Framework)
- Working within an established Scrum team aligned to SAFe
- contributing to sprint planning, execution, and continuous improvement initiatives.
- Distributed Team Collaboration
- Collaborating closely with onshore engineering teams to deliver features, resolve defects, and ensure seamless integration across the delivery lifecycle.
- Application Development & Maintenance
- Designing, developing, and maintaining solutions across a multi-technology stack.
- Production Support & Reliability
- Supporting critical live systems, ensuring performance, resilience, and adherence to enterprise standards and controls.
- Continuous Improvement Contributing to engineering best practices, automation, and process enhancements to improve delivery efficiency and quality.