Overview

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. The Mastercard Authentication Program owns how consumer authentication works for both in-store and e-commerce transactional use cases. The primary purpose of this role is to develop and deliver best-of-breed authentication products for e-commerce transactional use cases, including ID Check, Token Authentication Service, and Token Authentication Framework.

Role

• •Design and develop secure, reliable, and scalable solutions for globally distributed customer-facing products
• •Support development teams and work with stakeholders, promoting agile development
• •Create a culture of technical excellence and innovation
• •Research, create, and evaluate technical solution alternatives for business needs using current and emerging technologies and frameworks
• •Drive advanced testing strategies including automation, chaos engineering, and resilience testing
• •Remain hands-on by contributing to code, including building services, APIs, and writing unit, integration, and acceptance tests as well as architecture fitness functions
• •Work with business and product owners to architect and deliver new services and products
• •Participate in and contribute to team agile processes, including prioritization, trade-offs, and delivery planning
• •Drive architectural design, including dependent services, service interactions, and policies
• •Take ownership of improving the customer experience across a portfolio of services and applications
• •Mentor engineers at all levels to improve software engineering craftsmanship
• •Consult across teams and organizational boundaries to identify synergies and reuse opportunities
• •Conduct technical interviews and help raise the engineering talent bar

Code Quality and Review

• •Conduct and lead code reviews, ensuring adherence to coding standards, performance optimization, security best practices, and maintainability
• •Establish and enforce code quality governance practices, including static analysis, peer reviews, and secure coding guidelines
• •Mentor engineers through code reviews, promoting clean code principles, reusable design, and continuous improvement
• •Drive consistency in development standards across teams and ensure high-quality, production-ready deliverables

Engineering Excellence

• •Apply strong data structures and algorithms knowledge to design efficient, scalable, and high-performance systems
• •Optimize application performance through effective use of data modeling, memory management, and algorithmic efficiency
• •Make informed design trade-offs based on computational complexity, scalability, and system constraints
• •Guide teams in applying foundational computer science principles to solve complex engineering problems

Technologies

• •Languages and APIs: Java, J2EE, microservices, RESTful APIs, JavaScript, HTML/CSS
• •Frameworks: Spring Boot, Spring Data, Spring Batch, Spring REST, Spring Cloud, AOP, Hibernate
• •UI frameworks: React, Angular
• •Cloud and DevOps: Kubernetes, Docker, Pivotal Cloud Foundry
• •Databases: Oracle, SQL Server, PostgreSQL, Redis
• •Tools: IntelliJ, Eclipse, Sonar, Git, Maven, Jenkins, CI/CD, Gatling

What We Are Looking For

• •Hands-on experience designing solutions and full-stack development in modern technologies for large-scale enterprise systems
• •Strong experience building microservices in Java and developing UI components using React or Angular
• •Experience deploying applications via CI/CD pipelines, Docker containers, and Kubernetes
• •Working knowledge of application security principles: encryption, PKI, hashing, JWT, OAuth, OIDC, zero trust
• •Experience designing systems with non-functional requirements in mind: performance, scalability, availability, extensibility, and supportability
• •Strong understanding of data structures, algorithms, and performance optimization techniques
• •Experience designing and executing automated testing strategies, including unit, integration, and system testing
• •Ability to coach teams on full-stack development and end-to-end service ownership
• •Skilled in driving trade-off discussions across competing priorities such as security, regulatory concerns, and technical debt
• •Strong communicator with the ability to clearly articulate complex architecture decisions to technical and business stakeholders
• •Experience leading advanced operational and failure testing practices such as chaos engineering
• •Experience with Agile and modern SDLC practices: Scrum, Kanban, CI/CD, DevOps, and Quality Engineering

Compensation

Pay range for O'Fallon, Missouri: $140,000 - $231,000 USD. Benefits include medical, dental, vision, disability and life insurance, flexible spending and health savings accounts, paid parental leave, vacation time, 401k with company match, tuition reimbursement, and more.