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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 DevOps Engineer - Decision Management Platform Overview Join Mastercard’s Services Technology organization as a DevOps Principal Engineer for the Decision Management Program (DMP)—a patented, real-time decisioning platform that powers fraud prevention, risk scoring, and identity verification across the global payments network. The platform processes billions of transactions each month, consistently delivering results in milliseconds to support mission critical business solutions. Role In this role you will design systems to enable deployment and management of critical high-volume, low-latency financial systems 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 In-Memory data grids and real time processing technologies. This is a unique opportunity to shape the future of Mastercard’s decisioning ecosystem—advancing innovative, high‑performance solutions and driving engineering and operational excellence across a critical real‑time platform Architect, provision, and manage public and on-prem cloud infrastructure, including containerized and virtualized systems Design, 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 cross-functionally with R&D teams to design scalable systems, troubleshoot complex issues, and support new product initiatives. Champion Infrastructure as Code principles using tools like Terraform and CloudFormation. 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. Contribute to hands-on coding and automation efforts when needed — lead by example. Partner with stakeholders to align DevOps initiatives with business objectives, including uptime, deployment velocity, and cost efficiency. All About You 8+ 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 AWS cloud environments. Proven experience with container orchestration and tooling (Kubernetes, Helm, Docker Compose). Hands-on experience with infrastructure-as-code (Terraform, CloudFormation). Strong understanding of CI/CD pipelines (GitHub Actions, Jenkins, XLR etc.). Proficient in scripting and programming (Bash, Python, Java). Experience with monitoring and observability platforms (Prometheus, Grafana, Druid, Splunk, Loki). Excellent communication skills and the ability to work effectively with Developers, QE, Operations and support teams. Experience with FinOps or cost optimization in cloud environments 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.
Here's how to pick the right one and stand out in your application.
144.883Jobs
31.687IN
81%EN
That number is real. WorkMundi's database shows 144,883 open engineer roles across the world. India has the most with 31,687 jobs, followed by the United States with 30,084. If you just finished reading one job ad and felt paralyzed by choice, you're not alone—but this scale is actually an advantage. It means you can afford to be selective.
Start by geography and language. The majority of engineer ads—117,837 of them—have the job posting text written in English. Use that as one filter, but remember: the ad text language tells you nothing about whether the role actually requires you to speak English day-to-day. Read the job description carefully. Then check which countries have the volume you're targeting. Singapore, Poland, and Australia round out the top five after India and the US.
Next, learn who's hiring. Accenture has posted 2,801 engineer roles. andurilindustries, speechify, and jobgether are also actively recruiting. If you're applying to one of these names, research their hiring patterns and interview style before you apply. That homework pays off.
When you interview, expect the question every engineer hears: 'Tell me about a time you had to debug a problem that wasn't in your job description.' Have a specific story ready—not a general one. Name the tools, the deadline pressure, and what you learned. Hiring managers listen for whether you see problem-solving as part of the role itself, not a favour.