Staff Software Engineer - Full Stack (Performance Engineering) (Hybrid/Onsite) - job 2 of 20
This position is ideal for an experienced software engineer who is passionate about solving challenging business problems and building applications that have high availability & resiliency. The candidate will be extensively involved in hands-on performance & chaos engineering activities including POCs, design, documentation, code instrumentation, profiling and monitoring application, middleware & platforms components. You will be an integral part of the Open VisaNet performance engineering team.
Essential Functions
Responsible for developing performance plans and models for applications and infrastructure in a highly scalable, low-latency, high-availability, and high-throughput payment processing system.
Comprehend and take ownership of component-level performance engineering tasks, including code and data flow reviews.
Create and participate in performance and resiliency testing and fine-tuning of distributed components.
Collaborate with Development, Test Engineering, Support, and Product & Project Management teams to review and document requirements & timelines
Assess, create, and execute load-testing tools to simulate workload limits for Visas most critical payment applications.
Engage in performance engineering with a shift-left approach on microservices and establish benchmarks. Proficiency in Go Benchmarks and Go Profiling is advantageous.
Design and carry out chaos-resiliency evaluation experiments on microservices to identify potential resiliency weaknesses and failure points.
Perform root cause analysis for identified issues.
Analyze metrics and trends to find opportunities for enhancing application performance.
Explore methods to resolve issues and present corrective actions, conduct sessions with developers and architects to discuss recommended improvements or techniques.
Oversee the system performance lifecycle and identify key metrics for performance enhancements.
Generate regular performance engineering reports for review by architects, developers, and project managers.
Deliver technical presentations to guide teams on improving system and application performance.
Innovate solutions to enhance the effectiveness of performance engineering.
Contribute to performance tuning, scalability, reliability, and high availability of fault-tolerant distributed components.
Ensure proper documentation and internal publication of design trade-offs, code best practices, and lessons learned.
Support in triaging and troubleshooting highly distributed services in production environments.
Design and develop performance engineering aids like profiles, traces, or any observability frameworks.
Establish and promote performance best practices and influence non-functional requirements at early stages.
Work closely with application development teams to provide technical direction for improving application performance.
Mandatory Skillset
In-depth understanding of application performance KPIs, including their trade-offs and patterns
Capability in performance modeling using performance test data tailored to specific non-functional requirements of an application
Solid grasp of microservices architecture, CGROUP, and namespaces within Linux
Comprehensive knowledge of Linux memory management systems
Expert understanding of the IO subsystem, including its layers, various types of IO operations, caching mechanisms, file systems, and RAID configuration
Proficient in the compute subsystem with detailed knowledge of process, thread, and goroutines or LWT scheduling
Familiarity with process states, context switching, and system calls
Understanding of network layers, protocols, flow control, and congestion control
Basic knowledge regarding data centers
Proficiency in at least one programming language such as GoLang, Python, or Java, with the ability to write code independently
Skill in building a cost profile for applications based on CPU, memory, IO, and network test results
Ability to profile CPU and memory consumption or raw dumps and familiarity with traces, thread dumps, and debug logs
Experience in creating performance test strategies, including the development of test cases
Proficiency in designing chaos test case scenarios and formulating test strategies by identifying potential failure points
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.
Average salary estimate
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Join Visa as a Staff Software Engineer - Full Stack (Performance Engineering) in Foster City, where your passion for solving challenging business problems will be put to the test! This role is perfect for someone who thrives on hands-on performance and chaos engineering, as you'll dive deep into activities like creating proof of concepts, designing, documenting, and monitoring application and middleware components. As a vital member of the Open VisaNet performance engineering team, you'll take charge of developing performance plans and models for a highly scalable, low-latency payment processing system that's crucial for Visa's success. Your expertise will shine as you conduct load-testing and fine-tuning efforts across distributed components, collaborating closely with various teams, including Development, Test Engineering, and Product Management, to ensure everything runs smoothly. With your solid grasp of microservices architecture and performance modeling, you'll engage in innovative chaos-resiliency evaluations to spot and address potential weaknesses. This hybrid position allows you to enjoy flexibility while ensuring the team achieves high availability and fault tolerance in distributed components. If you're skilled in programming languages like Go, Python, or Java, have a strong foundation in Linux systems, and possess the analytical mindset to enhance application performance, we're excited to see how you can innovate solutions that strengthen Visa's performance engineering efforts. Ready to make an impact? We can't wait to hear from you!
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Visa Inc. operates as a payments technology company worldwide. The company facilitates commerce through the transfer of value and information among consumers, merchants, financial institutions, businesses, strategic partners, and government entiti...
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