Lead Software Engineer

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

Lead Software Engineer

Overview
Connect (User-Access) Team is a dedicated collection of self-organizing, high performing, interdependent, co-located individuals representing different functional roles with all the necessary skills to create the foundational security capabilities for application teams. This team leads with mission to provide overall stewardship of enterprise grade application architecture & design within the context of holistic software development. This includes driving the architecture & design decisions and building consensus around it. The team leads the exploration in software architecture & technology innovations along with enabling excellence in overall team with design-for-peformance mindset.
Are you a collaborator capable of communicating effectively with Business and IT stakeholders across all organizational levels, leading scale?
Are you an innovator who embraces, adopts, and studies the latest technology to solve challenging business problems and address growing customer needs?
If this describes you, Mastercard wants to talk to you about an opportunity to work with our Connect (User-Access) team.
We are looking for a seasoned engineer who is passionate about performance engineering with a constant focus on improving system quality.
Responsibilities
• Design, configure, and execute performance tests and drive resolution of failures
• Create performance measurements such as requests per second, P95 and P99 response latency, query performance, concurrency, and system utilization
• Dig into Java code, databases, middleware, and vendor software to identify performance bottlenecks and resolve them
• Improve the performance environment with your own code, automation, and external tools
• Apply technical ability to coach and develop junior engineers
• Deliver department and external presentations sharing results with stakeholders
• Participate in requirements discussion, test planning, test data creation and execution of testing plan in adherence with MasterCard standards, processes and best practices.
• Work with project team to meet scheduled due dates, while identifying emerging issues and recommending solutions for problems and independently perform assigned tasks.
• Design and develop test automation scenarios to validate system to system interfaces and complete software solutions (for API and UI tests)
• Translate complex system requirements into test requirements and testing methods
• Identify and implement complex automation efforts, including refactoring of automation code where needed
• Own responsibility for performance defect management and oversight and escalation of issues discovered during the testing phase
All About You
• Strong software engineering experience writing applications using Java Spring Boot framework
• Strong experience debugging performance issues with APM tools (i.e. Dynatrace, Splunk, Jprofiler, and JMH)
• Strong experience optimizing DB queries in PostgreSQL and Oracle
• Strong experience writing jMeter scripts and running in load generation tools (i.e. BlazeMeter)
• Experience with Payments industry (i.e. ISO 8583 messaging, 4-party model, and payment applications)
• Systematic problem-solving approach, coupled with strong communication skills and a sense of ownership and drive
• Time/project management, workload prioritization, knowledge sharing and a passion to learn/take on challenges is a must
• Self-motivated demonstrating strong organizational and listening skills; and very detail oriented with the ability to carry out assigned tasks with minimal supervision
• Strong verbal and written communications skills
• Appetite for change and pushing the boundaries of what can be done with automation. Be curious about new technology, infrastructure, and practices to scale our architecture and prepare for future growth
• Willingness and ability to learn and take on challenging opportunities and to work as a member of matrix based diverse and geographically distributed project team

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.