As a Senior Software Engineer, you'll design scalable backend services, improve network automation, write maintainable code, and ensure system reliability while collaborating across teams.
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-1
Overview
The Network Automation organization builds the software and automation capabilities that improve reliability, resiliency, and operational efficiency across Mastercard's global network.
You'll join a collaborative, high-trust engineering team that values clear thinking, shared ownership, and practical innovation. We're looking for engineers who enjoy solving meaningful problems together and contributing to a culture that empowers people to do their best work.
Role
As a Senior Software Engineer, you will:
* Design and implement scalable backend services and automation capabilities that support network lifecycle and security workflows.
* Write high-quality, maintainable, secure code using modern engineering practices (automated testing, CI/CD, code reviews, documentation).
* Build API-driven integrations between internal platforms and network systems.
* Develop observability foundations-including metrics, health checks, structured logs, and actionable alerts-to ensure system reliability.
* Contribute to architectural decisions, automation patterns, and engineering roadmaps for the Network Automation organization.
* Collaborate across teams to translate requirements into durable, automated solutions that improve operational resilience.
* Participate in operational readiness activities including runbooks, process documentation, and an on-call rotation where required.
All About You
Required qualifications
* Strong experience developing backend services using one or more programming languages such as Go, Java, C#, Python, or similar.
* Solid understanding of distributed systems, API design, and service-oriented architecture.
* Hands-on experience with Ansible (or equivalent automation tooling such as Terraform, Puppet, or Chef).
* Proficiency with CI/CD pipelines, automated testing, and version control systems.
* Experience building secure, resilient, and highly maintainable software.
* Ability to break down complex problems, lead design discussions, and influence architecture.
* Demonstrated collaboration with engineering, operations, and security teams.
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:
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-1
Overview
The Network Automation organization builds the software and automation capabilities that improve reliability, resiliency, and operational efficiency across Mastercard's global network.
You'll join a collaborative, high-trust engineering team that values clear thinking, shared ownership, and practical innovation. We're looking for engineers who enjoy solving meaningful problems together and contributing to a culture that empowers people to do their best work.
Role
As a Senior Software Engineer, you will:
* Design and implement scalable backend services and automation capabilities that support network lifecycle and security workflows.
* Write high-quality, maintainable, secure code using modern engineering practices (automated testing, CI/CD, code reviews, documentation).
* Build API-driven integrations between internal platforms and network systems.
* Develop observability foundations-including metrics, health checks, structured logs, and actionable alerts-to ensure system reliability.
* Contribute to architectural decisions, automation patterns, and engineering roadmaps for the Network Automation organization.
* Collaborate across teams to translate requirements into durable, automated solutions that improve operational resilience.
* Participate in operational readiness activities including runbooks, process documentation, and an on-call rotation where required.
All About You
Required qualifications
* Strong experience developing backend services using one or more programming languages such as Go, Java, C#, Python, or similar.
* Solid understanding of distributed systems, API design, and service-oriented architecture.
* Hands-on experience with Ansible (or equivalent automation tooling such as Terraform, Puppet, or Chef).
* Proficiency with CI/CD pipelines, automated testing, and version control systems.
* Experience building secure, resilient, and highly maintainable software.
* Ability to break down complex problems, lead design discussions, and influence architecture.
* Demonstrated collaboration with engineering, operations, and security teams.
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.
Top Skills
Ansible
C#
Chef
Ci/Cd
Go
Java
Puppet
Python
Terraform
Mastercard Saint Leonards, Victoria, AUS Office
72 Christie St, Saint Leonards, St Leonards, Australia, NSW 2065
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