Lead Software Engineer (Connex)

Mastercard; Maharashtra; On-site; INR 4,000,000 - 6,000,000; Full time

Job summary

Mastercard is seeking a Lead Connex Software Development Engineer to join our engineering team in Pune, supporting UK Critical National Infrastructure payment products. This role operates in a globally distributed delivery model, partnering with onshore teams to deliver high-availability, mission-critical systems.

You will contribute to evolving key payment platforms within a scaled SAFe environment. The engineer will drive Agile delivery, collaborate across distributed teams, and maintain

Qualifications

• Strong experience with Connex on HP NonStop
• Familiarity with payment industry protocols (ISO8583/ISO20022) and security standards
• Proficiency in TCP/IP and network protocols
• Solid knowledge of COBOL, TAL, SCOBOL and TACL
• Experience with Java, UNIX, Spring, Hibernate, XML
• Strong testing and Agile/SAFe experience
• Excellent stakeholder communication and collaboration skills
• Comfort with pair programming and regular demos to stakeholders

Responsibilities

• Lead development in a Connex/HP NonStop environment
• Collaborate with distributed teams and onshore partners
• Develop and maintain multi-technology solutions
• Provide production support and ensure system reliability
• Contribute to continuous improvement and best practices

Skills

Connex on HP NonStop

ISO8583/ISO20022 protocols

TCP/IP

COBOL

TAL

SCOBOL

TACL

Java

UNIX

XML

Spring

Hibernate

Tools

Selenium

Cucumber

Gherkin

GoldenGate

Job description

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)

Overview

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.

Role

The Software Engineer Will Be Responsible For

• Agile Delivery (SAFe Framework)
• Distributed Team Collaboration
• Application Development & Maintenance
• Production Support & Reliability
• Continuous Improvement

Working within an established Scrum team aligned to SAFe, contributing to sprint planning, execution, and continuous improvement initiatives.

Collaborating closely with onshore engineering teams to deliver features, resolve defects, and ensure seamless integration across the delivery lifecycle.

Designing, developing, and maintaining solutions across a multi-technology stack.

Supporting critical live systems, ensuring performance, resilience, and adherence to enterprise standards and controls.

Contributing to engineering best practices, automation, and process enhancements to improve delivery efficiency and quality.

All About You

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.

Desirable Experience

• Hands-on automation testing expertise using open-source technologies such as Selenium, Cucumber, Gherkin, Spring, etc.

Corporate Security Responsibility

All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and, therefore, it is expected that every person working for, or on behalf of, Mastercard is responsible for information security and must:

• Abide by Mastercard’s security policies and practices;
• Ensure the confidentiality and integrity of the information being accessed;
• Report any suspected information security violation or breach, and
• Complete all periodic mandatory security trainings in accordance with Mastercard’s guidelines.