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Mastercard

Principal Software Engineer

Sep 22, 2026• Greater London, United Kingdom

About us

★ 3.6 out of 5 · 14 reviews

  • Size: 10,000+ employees
  • Industry: Finance: Credit & Fund Services
View company profile ›

Why you should apply for a job to Mastercard:

  • 3.6/5 in overall job satisfaction
  • 4.8/5 in supportive management
  • 71% say women are treated fairly and equally to men
  • 64% would recommend this company to other women
  • 100% say the CEO supports gender diversity

Ratings are based on anonymous reviews by Fairygodboss members. See all reviews ›

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

Principal Software Engineer

Join Mastercard's Operations Automation Program as a Principal Engineer for our DevOps team that powers infrastructure automation across on-prem data centers and the cloud using Terraform, Chef, Ansible and other exciting tools.
Role
In this role you will enable automation, deployment and management of critical high-volume infrastructure into public and private cloud environments. You will work with global engineering teams to drive DevOps initiatives across the platform utilizing a highly scalable architecture leveraging enterprise tools and technologies.
This is a unique opportunity to shape the future of Mastercard's infrastructure automation -advancing innovative, high‑performance solutions and driving engineering and operational excellence across the organization.
• Automate, provision and manage public and on-prem cloud infrastructure, including containerized and virtualized systems
• Plan, build, and optimize CI/CD pipelines to enable fast, safe, and repeatable delivery of complex distributed systems across a global network of data centres.
• Collaborate in cross-functional teams to automate deployments, troubleshoot complex issues, and support new product initiatives
• Champion Infrastructure as Code principles using tools like Terraform Enterprise, Ansible and Chef
• Drive observability and reliability through monitoring, logging, and alerting systems (Prometheus, Grafana, Druid, Splunk etc.).
• Foster innovation and continuous improvement, adopting new tools and practices to increase efficiency, scalability, and cost optimization.
• Hands-on coding of automation efforts in Go Lang
• Partner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency.
All About You
• 10+ years of experience in Software Engineering and DevOps roles, including at least 2 years in a technical leadership capacity.
• Strong Linux systems administration background
• Deep familiarity with cloud environments either AWS, Azure or GCP
• Proven experience with container orchestration and tooling (Kubernetes, Helm, Docker Compose).
• Hands-on experience with Terraform Enterprise, Ansbile and Chef
• Strong understanding of CI/CD pipelines (GitHub Actions, Jenkins etc.).
• Proficient in scripting and programming (Bash, GoLang Python, Ruby ).
• Experience with monitoring and observability platforms (Prometheus, Grafana, Splunk, Dynatrace).
• Excellent communication skills and the ability to work effectively with Product, Developers and Operations teams.
• Demonstrated ownership mindset, prioritization skills, and ability to thrive in a fast-paced, multi-tasking environment.

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.

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Additional Information

  • Job category: Software Engineering
  • Posted: Sep 22, 2026
Apply on company site
Apply on company site

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