Sr. ML Engineer

Visa is a world leader in payments and technology, with over 259 billion payments transactions flowing safely between consumers, merchants, financial institutions, and government entities in more than 200 countries and territories each year. Our mission is to connect the world through the most innovative, convenient, reliable, and secure payments network, enabling individuals, businesses, and economies to thrive while driven by a common purpose – to uplift everyone, everywhere by being the best way to pay and be paid.

Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa.

Visa Technology & Operations LLC, a Visa Inc. company, needs a Sr. ML Engineer (multiple openings) in Austin, TX To:

• Architect, design, build, develop, test, and/or implement software systems and/or applications.
• Conduct business and technical analysis, code reviews and unit testing, and implement and produce technical documentation of solutions for new development, system enhancements, and production support.
• Design, develop and implement modifications and corrections to existing software, including the development of debugging routines.
• Serve as an integral part of the Data Science product development team, investigate new requirements, and design and refactor existing functionality for performance and maintainability.
• Collaborate with project team members (Product Managers, Architects, Analysts, Developers, Project Managers, etc.) to ensure development and implementation of new data driven business solutions.
• Contribute in delivery of high-quality solutions that conform to requirements and the architectural vision and comply with all applicable standards.
• Engage in requirements definition and clarification in collaboration with Business to ensure completeness and common understanding; deep understanding of the business needs is important.
• Facilitate design reviews to provide input on functional requirements, product designs, schedules, or potential problems.
• Facilitate code reviews with team members and third-party vendors. Review and assess impact of proposed scope changes on assigned deliverables. Work with other engineering teams to facilitate a common approach to continuous integration that includes build automation, test automation, and deployment automation.
• Collaborate with senior technical staff and PM to identify, document, plan contingency, and track and manage risks and issues until all are resolved.
• Present technical solutions, capabilities, considerations, and features in business terms. Effectively communicate status, issues, and risks in a precise and timely manner.
• Position reports to the Austin, Texas office and may allow for partial telecommuting.

Basic Qualifications:

Employer will accept a Master's degree in Computer Science, Computer Engineering, Information systems or related field and 2 years of experience in the job offered or in a Sr. ML Engineer-related occupation.

Position requires experience in the following:

• Knowledge of Creational, Structural, Behavioral and Concurrency and understanding of ML algorithms (XGBoost, KNN, SVM, LSTM, Transformers, PCA and other deep learning models)
• Statistical computer programs for Machine Learning, Deep learning and natural language processing – Python, Tensorflow, SkLearn, SOLAR, SAS, MatLab, CUDA and GPU Acceleration
• Development of generic fraud detection systems using GANs, GNNs, DBSCAN clustering
• Pandas, NumPy, and SQL, as well as Matplotlib and Seaborn
• Bigdata technology stack: Hadoop and MapReduce, Spark, Pig, Impala, Kafka
• ML cloud services using AWS, Azure or GCP
• OWASP, static/dynamic analysis, and common security tools
• Oracle, MySQL, HBase, Cassandra, Hive, MongoDB
• Development utilizing Java/J2EE/JavaScripts and in using Java Web Application framework including Spring, Hibernate and Data JPA
• Web services standards and related technologies (XML, JSON, Rest, and SOAP)

Worksite: Austin, TX

Travel Requirements: This position does not require travel

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.

U.S. APPLICANTS ONLY: The estimated salary range for this position is $130,700.00 USD to $202,300.00 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.