Senior Platform Engineer

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 Platform Engineer - FinOps
Who is Mastercard?
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.
Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
Overview
The Open Banking platform engineeringteam is looking for a senior platform engineer that has significant FinOps experience to help advance our platform, and help drive cost optimisation, efficiency and data-driven decision making across our cloud infrastructure. The ideal candidate will have strong technical expertise, financial acumen, and a strong ability to present data in clear, actionable ways. This role is critical to ensuring our platforms are scalable, cost-effective, and aligned with business objectives.
• Design, implement, and maintain cost-efficient cloud infrastructure across multiple clouds.
• Architect and optimize scalable systems and applications with a focus on performance and reliability.
• Traverse and analyze large datasets to identify trends, inefficiencies, and opportunities for optimization.
• Develop and maintain intuitive dashboards and visualizations to present insights on cloud costs, resource utilization, and performance metrics.
• Collaborate with stakeholders to ensure financial and technical goals align, providing actionable insights to support decision-making.
• Automate infrastructure provisioning, monitoring, and reporting using tools like Terraform, Kubernetes, and cloud-native solutions.
• Build tools and processes for efficient cost forecasting, monitoring, and accountability.
• Advocate for FinOps best practices across the organization, educating teams on cost implications of design and operational decisions.
Requirements
• Strong programming skills in Golang and Python, with hands-on experience building and maintaining complex microservices applications.
• 5+ years of experience in cloud architecture and infrastructure management, with a deep focus on cloud cost optimization.
• Expertise in cloud platforms (AWS, Azure, GCP), with advanced knowledge in cloud cost management and FinOps practices.
• Strong ability to analyze large datasets, identify cost inefficiencies, and present data through dashboards and visualizations.
• Proven experience in cloud cost management, FinOps practices, and scalable architecture design.
• Proficiency in traversing and analyzing large datasets, with expertise in tools like SQL, Python, or other data processing, query languages.
• Expertise in developing dashboards and visualizations using tools like AWS Quicksight, Tableau, Power BI, or cloud-native solutions (e.g Kubecost/Opencost)
• Strong knowledge of cloud platforms (AWS, Azure, GCP), infrastructure-as-code (Terraform, Kubernetes), and automation frameworks.
• Experience in system and application design with a focus on efficiency and reliability.
• A broad technical background with experience across development and infrastructure tools.
• Excellent communication skills, capable of conveying complex technical and financial concepts clearly.
• Passion for driving system efficiency, cost-effectiveness, and performance improvements.
• Strong financial modeling and budgeting skills.
• Certification in AWS, Azure, or GCP is a plus.
Corporate Security Responsibility
Every person working for, or on behalf of, Mastercard is responsible for information security. All activities involving access to Mastercard assets, information, and networks comes with an inherent risk to the organization and therefore, it is expected that the successful candidate for this position 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.
NOTE: Candidates go through a thorough screening and interview process. There is no need to include all preferred skills in the job description.
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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