Job
Description
At Visa, the Corporate Information Technology, Billing & Incentives Platforms team, enables Visas revenue growth through flexible pricing engines and global revenue platforms built on next-generation technologies. This includes managing system requirements, evaluating cutting-edge technologies, design, development, integration, quality assurance, implementation and maintenance of corporate revenue applications. The team works closely with business owners of these services to deliver customer developed solutions, as well as implement industry leading packaged software. This team has embarked on a major transformational journey to build and implement best of breed revenue and billing applications to transform our business as well as technology. The candidate should enjoy working on diverse technologies and should be excited to take initiatives to solve complex business problems and get the job done while taking on new challenges. You should thrive in team-oriented and fast-paced environments where each team-member is vital to the overall success of the projects. Key Responsibilities Develop and maintain test automation scripts using PySpark for big data applications. Collaborate with data engineers and developers to understand data processing workflows and requirements. Design and implement automated tests for data ingestion, processing, and transformation in a Hadoop ecosystem. Perform data validation, data integrity, and performance testing for Spark applications. Utilize Spark-specific concepts such as RDDs, Data Frames, Datasets, and Spark SQL in test automation. Create and manage CI/CD pipelines for automated testing in a big data environment. Identify, report, and track defects, and work with the development team to resolve issues. Optimize and tune Spark jobs for performance and scalability. Maintain and update test cases based on new features and changes in the application. Document test plans, test cases, and test results comprehensively. Perform QA and manual testing for payments applications, ensuring compliance with business requirements and standards. Work with limited direction, usually within a complex environment, to drive delivery of solutions and meet service levels. Productively work with stakeholders in multiple countries and time zones. With active engagement, collaboration, effective communication, quality, integrity, and reliable delivery develop and maintain a trusted and valued relationship with the team, customers and business partners. Basic Qualifications Bachelors degree, OR 3+ years of relevant work experience Preferred Qualifications bachelor s degree in computer science, Information Technology or related field. Relevant certifications in Big Data, Spa
