Staff SW Engineer - Performance Engineering

About Us
Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.

Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.

Job Description

Overview:

Value added Service [Risk and Security]is a Product Development (PD) Group within the Visa Technology Team. This group is responsible for building leading edge full-service Payment Solutions for our customers by combining global payment processing, fraud management, payment security and reporting systems. We are a group of bright, motivated engineers and technical managers excited about building the next generation of Payment products that will drive e-Commerce, mobile-Commerce as well as POS businesses for our customers.

As a Software Engineer on the Risk and Security team, will design and develop our services for customers in an agile environment. Collaborating with supportive and challenging colleagues, will engage in unit testing, code reviewing, and regular check-ins for continuous integration as part of your routine. The responsibilities include designing, documenting, and implementing new systems, as well as enhancing and modifying existing software to comply with design specifications, security, and Java best practices. The individual will have to interact with both business and technical stakeholders to deliver high-quality products and services that meet business requirements and expectations while leveraging the latest tools and technologies.

Key Responsibilities:

• Accountable for creating application and infrastructure performance plans/models for a highly scalable, low-latency, highly-available and high-throughput payment processing system.
• 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.
• 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.
• Expert knowledge and strong experience using tools, Loadrunner/Jmeter,. etc. and understanding of APM solutions like Appdynamics, dynatrace, OPNET, or other comparable tools
• Coding Knowledge in programming languages like Java/Python and scripting languages is must
• Evaluate, develop and execute load test tools to stress the limits of Visa’s most critical payment applications.
• Understand and performance test the APIs, abstractions and integration patterns to solve challenging distributed computing problems.
• Should have experience in defining Performance Strategy and reporting performance baselines required to certify Go-Lives.
• Should have strong experience in handling multiple tasks and stakeholders
• Should be well versed in documenting the steps performed during course of performance tests cycle including performance test scripts used.
• Should be able to able to look at the code and suggest optimization techniques.
• 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.
• 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, solve challenging distributed computing problems.
• Build in-depth expertise on the 24x7 systems of Visa that support our clients.
• Support issues within SLAs for established issue priorities, fix issues/bugs enhancements.

What You'll Do:

• Design for Reliability: Architect and implement solutions that keep Visa's application services running with Always On availability.
• Automate Everything: Create intelligent automation for monitoring, deployment, and incident response.
• Lead Investigations: Use your detective skills to solve complex technical puzzles and prevent future incidents.
• Drive Innovation: Contribute to our evolution from traditional application to cloud-native solutions.
• Collaborate Globally: Work with talented engineers and clients like issuer, acurirer, mercnaht and partners  across the world to build, support, and deploy application services and solve the real world problems in day today work.

Why You'll Love It:

• Real Impact: Your code, monitor, debug and will help process millions of transactions, merchant, acquirer  enabling commerce worldwide.
• Growth Opportunities: Regular learning sessions, mentorship programs, and exposure to cutting-edge technology.
• Work-Life Integration: Hybrid work model (2-3 days in office) with flexible scheduling.
• Inclusive Culture: Join a team that actively promotes diverse perspectives and collaborative problem-solving.

Technical Areas You'll Grow In:

• Cloud & System Architecture: Design scalable, resilient systems across hybrid cloud platforms (AWS, GCP, Azure) and On Premise
• AI/ML Operations: Support and optimize ML model deployment pipelines and monitoring systems.
• Observability & Performance: Master advanced monitoring, tracing, and performance optimization techniques.
• Automation & Intelligence: Build smart alerting systems and automated remediation workflows.
• Distributed Systems: Monitor and maintain globally distributed payment processing systems on multiple regions.

The individual should have a passion for delivering zero-defect code and ensuring the team's deliverables meet or exceed business expectations. Identify opportunities for product innovation and strive to improve best practices, standards, and processes. Coordinate Continuous Integration activities, testing automation frameworks, and other related tasks, while contributing core product code. The individual needs to effectively communicate status, issues, and risks in a precise and timely manner.

Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Qualifications

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., Master's, MBA, JD, MD) or 0 years of work experience with a PhD, OR 8+ years of relevant work experience.
• Proficient in at least one of the programming languages (Java, C++, Python, etc.)
• Expert knowledge and strong experience using tools, Loadrunner, Jmeter, etc. and understanding of APM solutions like Appdynamics, dynatrace, OPNET, or other comparable tools
• Proficient in performance testing tools like LoadRunner, Jmeter, Blazemeter, etc and APM/Observability solutions like AppDynamics, Dynatrace, OPNET, Prometheus, Grafana.

Preferred Qualifications:

• 6 or more years of work experience with a bachelor's degree or 4 or more years of relevant experience with an Advanced Degree (e.g., Master's, MBA, JD, MD) or up to 3 years of relevant experience with a PhD.
• Experience in distributed enterprise application development using Java Technology Stack
• Experience Server side development experience
• Good understanding of RDBMS such as Oracle, MySQL, MSSQL, Postgres
• Excellent understanding of CI/CD process. Should have exposure to tools such as Jenkins, Maven, GithubActions, etc
• Should be able to design and components independently, experience in highly scalable web services Exposure to containerized microservices architecture and stacks is a big plus
• Troubleshooting root cause analysis and implementing major components for large projects is a plus
• Knowledge of tools like Splunk Opera Thread Heap dump analysis GC  Grafana of monitoring of system matrix and application analysis tools is an advantage
• Good understanding of Algorithms and Data structures
• Must have worked in agile and scrum
• Excellent communication skill
• Knowledge of GenAI, ChatGPT, LLM is a plus

Information for US Applicants

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