Sr. Software Test Engineer - (SDET)
VisaFoster City, CAPosted 14 April 2026
Tech Stack
Job Description
Visa is looking for Senior Software Test Engineers, who will help build Open VisaNet, Visa's Next generation payment processing platform developed on Open Systems, that would fuel growth in electronic payments globally and drive financial inclusion in many parts of the world.  Open VisaNet, is the Next Generation VisaNet, will push the envelope of building highly scalable, secure, cost effective and distributed application on commodity hardware using best-in-class technology components. Open VisaNet is one of Visa's Key initiative that will help Visa support in-country processing solutions and provide Visa an opportunity to move away from Proprietary Mainframe type systems. It is built as a modern distributed architecture based on micro services with goals of five 9’s availability, fault tolerance, horizontal scalability and real time latency for largest scale transaction processing. Open VisaNet leverages state of the art Open Software technologies to achieve these goals on commodity hardware, such as Go, Scala, Apache Kafka, Docker, Kubernetes, Aerospike, Elasticsearch etc. and involves collaboration with exceptional group of software engineers, systems performance engineers, security specialists, DevOps engineers, payment experts, infrastructure and solution architects. Essential functions:
Develop test cases, test execution, and report defects throughout software development life cycle by analyzing functional and business requirements Collaborate with scrum teams in refining user stories, planning sprint work, and executing test scenarios Collaborate with DevOps teams for continuous testing and environment setup Establish quality process in place to ensure the quality expectations are always met or exceeded Maintain and/or develop test scripts to automate functional and regression test scenarios Participate in design discussion to provide input on functional requirements, product design, and potential problems Ensure to adhere to company's software testing processes and policies and retain audit compliance while supporting end users during the testing cycle Collaborate with cross-site teams to ensure the quality assurance is performed in alignment with global initiatives and requirements Also need to develop in-depth knowledge and understanding of the systems you are responsible for as a Test Engineer
This is a hybrid position. Expectation of days in office will be confirmed by your hiring manager.
Basic Qualifications: 2+ years of relevant work experience and a Bachelors degree, OR 5+ years of relevant work experience   Preferred Qualifications: 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)Minimum 3 years hands-on development experience Excellent verbal and written communication skills to work well across teams Experience with Agile Methodologies, Tools (Jira, Confluence) Experience with Unit, Acceptance, Performance, Non-functional test, Certification test lifecycle, BDD/TDD methodology Experience testing software at API level using SOAP UI, Postman, REST Client etc. Experience working with testing frameworks such as Cucumber, Selenium, Gherkin, etc. Good Knowledge on executing automation scripts on Continuous Integration (CI) tool like Jenkins Knowledge of functional programming languages like Go Lang, Scala, Erlang, or the ability to learn them quickly. Experience with distributed source control systems such as Git Experience with distributed database, distributed computing and high frequency transactions is a big plus. Comprehensive knowledge of VISA business and Payment applications preferred. 
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 inc ... (truncated, view full listing at source)
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