Lead Software Engineer

Mastercard•O'fallon, MO

16d•$140,000 - $231,000•Onsite

About The Position

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 that will drive uptake and penetration for the products and revenue for Mastercard. The authentication products that fall within this role’s responsibilities are ID Check, Token Authentication Service and Token Authentication Framework. If you want a challenging project that is changing the way people make payments, this is the role for you!

Requirements

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 frameworks like React or Angular
Experience deploying applications via CI/CD pipelines, Docker containers, and Kubernetes
Working knowledge of application security principles: encryption/decryption, PKI, hashing, JWT, OAuth, OIDC, zero trust
Experience designing systems with non-functional requirements in mind: performance, scalability, availability, extensibility, and supportability
Experience applying code review best practices and maintaining high standards of engineering quality
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 (security, regulatory, technical debt, etc.)
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
Ability to operate under pressure while managing complex initiatives and competing priorities
Adaptability in fast-changing environments with evolving technologies

Responsibilities

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 to validate system behavior under failure conditions
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/product owners to architect and deliver new services to introduce new products and bundles
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
Contribute and lead initiatives by mentoring 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
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
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

Benefits

insurance (including medical, prescription drug, dental, vision, disability, life insurance)
flexible spending account and health savings account
16 weeks of new parent leave
up to 20 days of bereavement leave
80 hours of Paid Sick and Safe Time
25 days of vacation time
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