Mastercard · 6 hours ago
Senior Software Engineer (AWS Platform)
O'Fallon, Missouri
Full-time
Onsite
Mid, Senior Level
$115K/yr - $184K/yr
3+ years expMastercard is a global technology company that powers economies and empowers people. They are seeking an experienced Senior Software Engineer to join their AWS Platform Engineering Team, focusing on designing, building, and maintaining a scalable and secure cloud platform on AWS.
FinanceFinancial ServicesInformation TechnologyPayments
Responsibilities
Design, implement, and maintain a scalable multi-account AWS platform, leveraging services like AWS Organizations, VPC, IAM, EKS, EC2, S3, RDS, 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
Qualification
Required
3+ years of experience in AWS cloud engineering or similar roles
Hands-on experience with AWS services like Lambda, EKS, EC2, RDS, S3, Route 53, 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
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
Benefits
Insurance (including medical, prescription drug, dental, vision, disability, life insurance)
Flexible spending account and health savings account
Paid leaves (including 16 weeks of new parent leave and up to 20 days of bereavement leave)
80 hours of Paid Sick and Safe Time
25 days of vacation time and 5 personal days, pro-rated based on date of hire
10 annual paid U.S. observed holidays
401k with a best-in-class company match
Deferred compensation for eligible roles
Fitness reimbursement or on-site fitness facilities
Eligibility for tuition reimbursement
Company
Mastercard
Mastercard is a financial network that processes payments between banks and cardholders.
10001+ employees
H1B Sponsorship
Mastercard has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (540)
2024 (319)
Funding
Current Stage
Public CompanyTotal Funding
unknown2006-05-25IPO
Leadership Team
Michael Miebach
Chief Executive Officer
Ed McLaughlin
President & Chief Technology Officer
Recent News
2026-01-25
2026-01-23
Company data provided by crunchbase