Visa’s Technology Organization is a community of problem solvers and innovators reshaping the future of commerce.   We operate the world’s most sophisticated processing networks capable of handling more than 65k secure transactions a second across 80M merchants, 15k Financial Institutions, and billions of everyday people.   While working with us you’ll get to work on complex distributed systems and solve massive scale problems centered on new payment flows, business and data solutions, cyber security, and B2C platforms.     

The Opportunity: 

We are looking for Versatile, curious, and energetic Software Engineers who embrace solving complex challenges on a global scale.  As a Visa Software Engineer, you will be an integral part of a multi-functional development team inventing, designing, building, and testing software products that reach a truly global customer base. While building components of powerful payment technology, you will get to see your efforts shaping the digital future of monetary transactions.   

Responsibilities

• Accountable for highly scalable, low-latency payment solutions with a focus on performance & resiliency.

• Lead component-level performance engineering, including code analysis and data flow.

• Design and execute performance, resiliency, and load tests for critical applications.

• Developing autonomous AI agents capable of planning, executing, and adapting throughout multi-step, complex performance evaluations with minimal human oversight.

• Identify bottlenecks, analyze root causes, and recommend corrective actions.

• Code Refactoring for Performance: Feeding problematic code snippets into LLMs to receive optimized, faster, or lower-memory-consuming versions of the code.

• AI-Assisted Scripting & Optimization: Automated Test Script Generation, Code Refactoring for Performance, Database Query Optimization, Kafka pub-sub latency and throughput tuning

• Collaborate with cross-functional teams to document NFR and best practices.

• Monitor system performance, prepare reports, and present technical findings.

• Develop tools and frameworks for profiling, observability, and process improvements.

• Anomaly Detection: Implementing GenAI models to monitor real-time metrics and automatically detect anomalies, reducing the time required for troubleshooting. 

• Designing autonomous AI agents that can plan, execute, and adapt across multi-step, complex performance tests without constant human intervention.

• Advise teams on best practices that can improve scalability, resiliency of solutions

• Accountable troubleshooting production issues pertaining to performance and resiliency.

This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.

Basic Qualifications
5+ years of relevant work experience with a Bachelor’s Degree or at least 2 years of work experience with an Advanced degree (e.g. Masters, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience.

Preferred Qualifications
6 or more years of work experience with a Bachelors Degree or 4 or more years of relevant experience with an Advanced Degree (e.g. Masters, MBA, JD, MD) or up to 3 years of relevant experience with a PhD

• Deep Understanding of Performance KPIs and their tradeoffs and patterns
• Performance Modeling capability based on Performance benchmark Numbers for a predefined application Non-Functional Requirement
• Understanding of Microservices/CGROUP and Namespaces in Linux
• Deep Understanding of Linux Memory management
• Deep Understanding of IO Subsystem (IO subsystem layers, Type of IOs, Caching, Filesystems, RAID)
• Understanding of Compute subsystem with in-depth knowledge of scheduling of process, thread and goroutines/LWT
• Understanding of process state, context switches, system calls
• Understanding of NW layers – protocols, flow control and congestion control
• Some knowledge on Data Center
• Knowledge of at least one language - GoLang, Python or Java. Should be able to code independently
• Ability to build Cost Profile for Application based on test results [CPU, Memory, IO, and Network]
• Ability to profile CPU and Memory consumptions or raw dumps. Familiarity with traces, thread dumps, debug log
• Create performance test strategy and test cases
• Design Chaos test case scenarios and formulate test strategy by identifying failure points

The Skills You Bring:

Energy and Experience: A growth mindset that is curious and passionate about technologies and enjoys challenging projects on a global scale

Challenge the Status Quo: Comfort in pushing the boundaries, ‘hacking’ beyond traditional solutions

Builder: Experience building and deploying modern services and web applications with quality and scalability

Learner: Constant drive to learn new technologies such as Angular, React, Kubernetes, Docker, etc.

Partnership: Experience collaborating with Product, Test, Dev-ops, and Middleware teams

Work Hours: Varies upon the needs of the department.

Travel Requirements: This position requires travel 5-10% of the time.

Mental/Physical Requirements: This position will be performed in an office setting.  The position will require the incumbent to sit and stand at a desk, communicate in person and by telephone, frequently operate standard office equipment, such as telephones and computers.

Visa is an EEO Employer.  Qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability or protected veteran status.  Visa will also consider for employment qualified applicants with criminal histories in a manner consistent with EEOC guidelines and applicable local law.

Visa will consider for employment qualified applicants with criminal histories in a manner consistent with applicable local law, including the requirements of Article 49 of the San Francisco Police Code.

U.S. APPLICANTS ONLY: The estimated salary range for this position is 146,200.00 to 233,700.00 USD per year, which may include potential sales incentive payments (if applicable). Salary may vary depending on job-related factors which may include knowledge, skills, experience, and location. In addition, this position may be eligible for bonus and equity. Visa has a comprehensive benefits package for which this position may be eligible that includes Medical, Dental, Vision, 401 (k), FSA/HSA, Life Insurance, Paid Time Off, and Wellness Program.