Senior Software Engineer (AWS Cloud Engineer)

About the role

Mastercard is seeking an experienced Senior Software Engineer to join its AWS Platform Engineering team. The role focuses on designing, building, and maintaining a secure, scalable, and highly available multi‑account AWS platform that supports the company’s global payments ecosystem.

Key responsibilities

• Design, implement, and maintain a scalable multi‑account AWS platform using services such as AWS Organizations, VPC, IAM, EKS, EC2, S3, RDS, Glue, EMR, and MSK.
• Develop infrastructure as code with AWS CDK and CloudFormation.
• Manage secure connectivity using AWS PrivateLink, Transit Gateway, and Direct Connect.
• Implement governance and guardrails with AWS Control Tower, Service Control Policies (SCPs), and IAM.
• Collaborate with cross‑functional teams to optimise performance, cost, and reliability.
• Drive automation, incident response, and continuous improvement of the platform lifecycle.
• Lead architecture discussions, conduct code reviews, and mentor engineering team members.

Required profile

• Proven experience as an AWS cloud engineer or in a similar role.
• Strong software engineering background with a DevOps mindset.
• Demonstrated ability to lead technical teams and mentor engineers.
• Excellent problem‑solving skills with a focus on reliability and scalability.

Required skills

• AWS (Organizations, VPC, IAM, EKS, EC2, S3, RDS, Glue, EMR, MSK)
• AWS CDK
• CloudFormation
• AWS PrivateLink, Transit Gateway, Direct Connect
• AWS Control Tower, Service Control Policies (SCPs)