Job Information
Mastercard Lead Performance Engineer in Dublin, Ireland
Our Purpose
We work to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. We cultivate a culture of inclusion (https://www.mastercard.us/en-us/vision/who-we-are/diversity-inclusion.html) for all employees that respects their individual strengths, views, and experiences. We believe that our differences enable us to be a better team – one that makes better decisions, drives innovation and delivers better business results.
Title and Summary
Lead Performance Engineer
Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential. Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all.
The Account Management Services team develops new capabilities for Mastercard and its customers. We protect cardholders and card issuers and help them manage their daily spending patterns. To enable us to uphold the high standard of these applications we are looking for out-of-the-box thinkers to play a critical role in the upkeep and continual health of these products.
We are seeking a talented and experienced Lead Performance Engineer to improve application performance and ensure our products continue to meet the high expectations from our customers by improving existing functionality, proactively adding scalability while continuing to add enhanced value.
Processing RATE and processing time are key to improve our product performance and improve customer experience.
Are you passionate about low latency, high volume and highly available software solution with high resiliency and very stiff KPIs?
Responsibilities:
Lead day to day Performance testing for our products helping in the development and creation of solutions with high level of innovation, cost effectiveness, quality and fast time to market.
Contribute to the overall strategy and manage complex issues within functional area of expertise.
Develop overall strategic technical plan and create architecture solutions and proposals.
Develop strategic technical plan for Performance Testing and implement that across multiple engineering teams.
Perform release and software patch performance testing of Financial JEE Product Suites
Execute performance test and analyse performance results
Mentor, coach and assist other performance engineers within the team.
Provide release-to-release performance baseline metrics to key stakeholders and executives
Provide application performance recommendations, tuning to development team and collaborate with various stakeholders to implement performance changes in Lower environment to production
Be part of Shift left and performance automation, CI /CD pipeline delivery
Taking part in Production TRT sessions to resolve performance related issue in Production
Collaborate with various stake holder to priorities performance activities and participate in PI planning session to grasp performance key items
Performance tests creation, tests methodology and tests strategy development
Production pro-active monitoring and data mining to identify key customers trends and potential performance risk
Perform JEE Code reviews/code profiling to assure code is adhering to best performance practices and assist with performance related problem resolutions.
Provide consultation/implementation instructions for tuning software for best performance and make sure the correct performance architecture and software design patterns are being followed.
Experience:
We are looking for someone with the following skills to join our growing team
Candidates must be from a dedicated performance engineering background with a minimum 5 years experience in application performance testing and performance engineering.
Experience with performance/load tests tools like Jmeter, Gatling, LoadRunner
Strong knowledge of Object-Oriented Programming principles
Strong knowledge of Java (preferred)/ springboot, REST
Good in writing performance report and recommendation
Production Performance Analysis and Tuning of JEE products/platforms.
Tune Apache, WebSeals, JBoss/Websphere application and Linux/Aix servers for best performance.
Understand Network latencies, geolocation and bandwidth dependencies around performance, caching and both front and backend optimization techniques.
Strong understanding of load balancing, expiration headers, compression, CDNs, etc.
Strong understanding of TCP/IP sockets, TCP Slowstart/congestion.
Strong understanding of JEE performance design patterns and anti-patterns
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.