Lead Software Engineer (Java, Performance)

We are looking for an experienced engineer that is passionate about performance 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

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.