Senior Software Engineer

This is an exciting opportunity to join Mastercard and contribute to improving the response time for new applications that support the Mastercard Settings program.

You will be part of the performance engineering team that partners with development teams on optimization and testing. As an experienced engineer passionate about performance, you will have 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

Requirements

• 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 a matrix-based diverse and geographically distributed project team