Senior Software Engineer - Performance engineering

Company Description

Visa is a world leader in digital payments, facilitating more than 215 billion payments transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable and secure payments network, enabling individuals, businesses and economies to thrive.

When you join Visa, you join a culture of purpose and belonging – where your growth is priority, your identity is embraced, and the work you do matters. We believe that economies that include everyone everywhere, uplift everyone everywhere. Your work will have a direct impact on billions of people around the world – helping unlock financial access to enable the future of money movement.

Join Visa: A Network Working for Everyone.

Job Description

• Accountable for creating application and infrastructure performance plans, models for a highly scalable, low-latency, highly-available and high-throughput payment processing system and good experience with performance measurement, analysis, and optimization

• Work with the architects and development team to ensure proper metrics instrumentation done in software components, to help facilitate real time and remote troubleshooting/performance monitoring.

• Evaluate, develop and execute load test tools to stress the limits of Visas most critical payment applications.

• Understand and performance test the APIs, abstractions and integration patterns to solve challenging distributed computing problems.

• Experience with larger scale Distributed systems debugging

• Experience in automating performance testing as part of CI/CD pipeline using Jenkins or similar 

• Should be able to provide mentor support emphasizing performance testing methodology, preparation, scripting, execution planning, simulation and test results reporting.

• Should have ability to work independently and be a team player.

• Experience with database systems internals, query optimization, understanding and tuning query access plans, and query execution instrumentation.

• Actively contribute to capacity planning and disaster recovery exercises.

• Support in triaging and troubleshooting of issues related to performance degradation incidents in production environment

• Monitor application performance, optimize performance bottlenecks and usage to create an application capacity model.

• Help optimizing system components such as CPU/Memory/Disk/Network & OS/Application software for maximizing the computer resources utilization.

This is a hybrid position. Hybrid employees can alternate time between both remote and office. Employees in hybrid roles are expected to work from the office 2-3 set days a week (determined by leadership/site), with a general guidepost of being in the office 50% or more of the time based on business needs.

Qualifications

Basic Qualifications:
2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience
Knowledge of any scripting language is must
Knowledge in programming languages like Java/Python and scripting languages
Knowledge and strong experience using tools, Loadrunner, Jmeter,. etc. and understanding of APM solutions like Appdynamics, dynatrace, OPNET,. etc
Hands on experience in Unix/Linux OS environments and operating system internals, file systems, disk/storage and networking protocols.
System internals & Having knowledge with VMs and Containers.
Experience in ORACLE/MYSQL DB tuning and optimization
Effective verbal and written communication skills. Strong interpersonal, facilitation and leadership skills.
Deeply self-motivated with the ability to work independently, coordinating activities within cross-regional and multi-functional teams.

Preferred Skills
3 or more years of work experience with a Bachelor’s Degree or more than 2 years of work experience with an Advanced Degree (e.g. Masters, MBA, JD, MD)
Expert knowledge in hardware, software, and distributed applications environments and solid understanding of their associated capacity and performance indicators
Expert knowledge and strong experience using tools, Loadrunner/Jmeter,. etc. and understanding of APM solutions like Appdynamics, dynatrace, OPNET,. etc
Hands on experience in Unix/Linux OS environments and operating system internals, file systems, disk/storage and networking protocols.
System internals. Having working knowledge with VMs and Containers.
Experience in ORACLE/MYSQL DB tuning and optimization
Knowledge of distributed database, distributed computing and high frequency transactions is a big plus.
Knowledge and unde