Senior Software Engineer (AWS Platform)

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 (AWS Platform)

Overvirew

We are seeking an experienced and motivated Senior Software Engineer to join Mastercards AWS Platform Engineering Team. This role is critical in designing, building, and maintaining a scalable, secure, and highly available cloud platform on AWS. You will collaborate with cross-functional teams to ensure optimal platform performance, cost efficiency, and alignment with best practices.

The ideal candidate is expected to have a strong understanding of AWS Platform & Services, Software Engineering, DevOps practices, and Problem solving skills.

The Role
Design, implement, and maintain a scalable multi-account AWS platform, leveraging services like AWS Organizations, VPC, IAM, EKS, EC2, S3, RDS, Glue, EMR, MSK, etc.
Develop and manage infrastructure using tools like AWS CDK and Cloudformation.
Manage secure connectivity using technologies like AWS PrivateLink, Transit Gateway, and Direct Connect.
Implement and maintain secure access controls and guardrails using AWS Control Tower, Service Control Policies (SCPs), and IAM.
Engage and improve the lifecycle of the AWS platform and services -- from development to deployment, operation, and refinement.
Scale systems sustainably through mechanisms like automation, and evolve systems by pushing for changes that improve reliability and velocity.
Practice sustainable incident response and blameless postmortem.
Proven experience in leading engineering teams, mentoring engineers, and driving technical excellence.
Ability to lead architecture discussions, conduct code reviews, and foster a collaborative engineering culture


All About You
4+ years of experience in AWS cloud engineering or similar roles.
Hands-on experience with AWS services like Lambda, EKS, EC2, RDS, S3, Route 53, MSK, Glue, EMR, etc.
Proficiency in Infrastructure as Code tools (AWS CDK).
Strong knowledge of networking in AWS (VPC, Direct Connect, PrivateLink, Transit Gateway, etc.).
Experience with CI/CD tools like AWS CodePipeline, Jenkins, BitBucket/GitHub, Artifactory, Sonarqube, etc.
Strong understanding of Object-Oriented Programming (OOP) principles and experience applying them in languages like Python or Java.
Scripting skills in Python, Bash, or similar languages.
Strong knowledge of the best practices around Logging, Monitoring, and Alerting solutions.
Experience with software deployment and configuration automation.
Expertise in designing, analyzing, and troubleshooting large-scale systems.
Ability to debug, optimize code, and automate routine tasks.
Systematic problem-solving approach, with effective communication skills and a sense of drive.

Preferred Qualifications
AWS certifications such as AWS Certified Solutions Architect, SysOps Administrator, or DevOps Engineer.
Familiarity with container orchestration platforms like Kubernetes.
Hands-on experience with AWS Control Tower, including setting up guardrails, managing Service Control Policies (SCPs), and configuring Landing Zones.
Knowledge of security best practices and frameworks.

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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