Software Engineer, AWS Cloud Infrastructure & Security

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

Software Engineer, AWS Cloud Infrastructure & Security

Software Engineer, AWS Cloud Infrastructure & Security
Job Summary
Overview:
Join our mission-driven team building the future of digital commerce on our rapidly scaling Priceless Platform. We are experiencing tremendous growth as a premium B2B2C (Business to Business to Consumer) platform delivering world-class experiences to Mastercard’s banking partners globally. Acquired after being a successful Silicon Valley startup, we maintain our drive for innovation and velocity even as part of Mastercard.

Priceless Platform is seeking an experienced Software Engineer specializing in AWS Cloud Infrastructure, SaaS Integrations, Security Implementations, and Operational Excellence.

The ideal candidate will have expertise in designing, managing, and securing scalable platforms for web applications, backend APIs, and databases.

This is an opportunity to join a collaborative, cloud native engineering team focused on reliability and scale. You will collaborate with talented engineers, guide adoption of technologies like AWS (Amazon Web Services) and ensure operational excellence as our portfolio expands exponentially. If you are passionate about creating and maintaining machine critical enterprise cloud infrastructure, we want to hear from you. Together we will build on our momentum and create the future of digital commerce.

The role is open in our Mastercard Atlanta or St Louis offices.
Key Responsibilities
AWS Cloud Infrastructure Design & Management
• Design, deploy, and manage scalable and secure AWS cloud infrastructure to
support various applications and services.
• Implement infrastructure as code (IaC) using tools such as AWS Boto3,
Terraform, CloudFormation, or AWS CDK to automate the provisioning and
management of cloud resources.
• Move the platform towards containerization and ephemeral infrastructure,
allowing for quick provisioning and decommissioning of resources as needed,
reducing overhead and optimizing cost.
• Enhance AWS cloud resources for performance, reliability, and cost efficiency,
ensuring that the infrastructure meets business requirements.
• Automate provisioning, scaling, and monitoring using CI/CD pipelines and
DevOps practices, integrating with tools like Bitbucket, GitHub and GitHub
Actions, or AWS Code Pipeline.

Security Implementations
• Design and implement comprehensive security models for web applications,
backend APIs, databases, and cloud infrastructure, ensuring robust
protection against threats.
• Enforce security best practices, including encryption, IAM policies, and
network security measures, to safeguard sensitive data.
• Conduct security audits, vulnerability assessments, and penetration testing to
identify and mitigate potential risks.
• Implement and manage security mechanisms such as Web Application
Firewalls (WAF), DDoS protection, and intrusion detection/prevention
systems.
• Ensure compliance with industry standards such as GDPR, PCI/PII, SOC 2,
and ISO 27001 by implementing and maintaining relevant controls and
practices.

Operational Excellence
• Build and maintain robust monitoring, logging, and alerting systems using
tools like CloudWatch, Dynatrace, Splunk, or Datadog to ensure the health and
performance of the infrastructure.
• Ensure high availability and disaster recovery by implementing redundant
systems, backup strategies, and failover mechanisms.
• Conduct root cause analysis (RCA) for production incidents, identifying and
addressing underlying issues to prevent recurrence.
• Drive continuous improvement in operational processes by implementing
best practices, automating repetitive tasks and optimizing workflows.
• Optimize application performance by identifying and addressing bottlenecks,
conducting performance testing and implementing caching strategies.
• Troubleshoot and resolve application-related issues, working closely with
development teams to implement secure coding practices and address
vulnerabilities.

Database Management
• Design and manage secure and highly available distributed database systems,
including relational and NoSQL databases, to support application needs.
• Implement database security measures such as encryption, access controls,
and regular audits to protect data integrity and confidentiality.
• Optimize database performance through indexing, query optimization, and
capacity planning, ensuring efficient data retrieval and storage.

Drive Collaboration & Mentorship
• Work with cross-functional teams, including developers, operations, and
security professionals, to deliver end-to-end solutions that meet business
objectives.
• Mentor junior engineers, providing guidance and promoting best practices in
operational excellence and security awareness.
• Stay updated with trends and technologies in cloud computing, security, and
SaaS integrations, continuously enhancing skills and knowledge.

Qualifications
Required Skills & Experience
• Minimum 5+ years of relevant software development industry experience in a
fast-paced tech environment.
• Proven experience in designing, deploying, and managing cutting edge cloud
native infrastructure on top of AWS public cloud by leveraging services like
EC2, S3, RDS, ECS, SES, SNS, Lambda, and Event Bridge.
• Strong experience with third-party SaaS platform integrations and API
development, ensuring seamless interoperability and functionality.
• Hands-on experience in implementing security models for web applications,
APIs, databases, and cloud infrastructure, including the use of PKI, IAM,
encryption, and security monitoring tools.
• Operational background with experience in monitoring, incident management,
and root cause analysis, ensuring high availability and reliability of systems.
• Proficiency in scripting languages (e.g., Python, Bash) and infrastructure as
code tools (e.g., Terraform, CloudFormation) to automate infrastructure.
• Knowledge of web application security principles, including OWASP Top 10,
secure coding practices, and API security measures.
• Experience in securing and optimizing both relational and NoSQL databases,
ensuring data integrity and performance.
• Familiarity with DevOps practices, including CI/CD pipelines, containerization
(Docker, Kubernetes), and automation tools.

Preferred Skills
• Certifications such as AWS Certified Solutions Architect, AWS Certified
Security Specialty, or CISSP, demonstrating expertise in cloud architecture and
security.
• Experience with multi-cloud environments, including AWS, Azure, and GCP,
providing flexibility and resilience in cloud deployments.
• Familiarity with serverless architectures and distributed microservices,
enabling scalable and efficient application development and deployment.
• Knowledge of compliance frameworks like GDPR, PCI/PII, SOC 2, or ISO
27001, ensuring adherence to industry standards and regulations.

Mastercard is a merit-based, inclusive, equal opportunity employer that considers applicants without regard to gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law. We hire the most qualified candidate for the role. In the US or Canada, if you require accommodations or assistance to complete the online application process or during the recruitment process, please contact reasonable_accommodation@mastercard.com and identify the type of accommodation or assistance you are requesting. Do not include any medical or health information in this email. The Reasonable Accommodations team will respond to your email promptly.

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.

In line with Mastercard’s total compensation philosophy and assuming that the job will be performed in the US, the successful candidate will be offered a competitive base salary based on location, experience and other qualifications for the role and may be eligible for an annual bonus or commissions depending on the role. Mastercard benefits for full time (and certain part time) employees generally include: insurance (including medical, prescription drug, dental, vision, disability, life insurance), flexible spending account and health savings account, paid leaves (including 16 weeks new parent leave, up to 20 paid days bereavement leave), 10 annual paid sick days, 10 or more annual paid vacation days based on level, 5 personal days, 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, gender-inclusive benefits and many more.

Pay Ranges

Atlanta, Georgia: $138,000 - $221,000 USD

O'Fallon, Missouri: $138,000 - $221,000 USD