Company Description
Make an impact with a purpose-driven industry leader. Join us today and experience Life at Visa.
Job Description
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.
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The Opportunity:
We are looking to hire a Data Scientist to lead the AI/ML initiatives in the Cybersecurity Products team. This position will be based out of Warsaw, Poland. In this role, you will:
Be responsible for driving, designing, and building cutting edge innovation in the space of cybersecurity through Artificial Intelligence and Machine Learning - current scope of problems includes behavior biometrics, risk-based authentication, Account Takeover protection, advanced threat detection, smart incident response, AI model threat analysis, and many more.
Drive the continued innovation and engineering of our existing behavior-based adaptive authentication product and bot/fraud protection product with a high-performance team of data scientists and engineers.
Build innovative solutions and collaborate with engineering and product partners across the global Visa organization that help secure Visa against a variety of threats and attacks.
Provide consultation to more experienced leaders in order to recommend solutions which solve security & other business challenges.
You must have strong technical depth and experience in application of Machine Learning, Deep Learning, and Data Science techniques. On top of that, you should also have a genuine interest in cybersecurity and a desire to build solutions that deliver real impacts to the world. We will rely on your leadership to establish a roadmap and vision as this team engages in existing and new emerging areas.
Support transfer technical knowledge to facilitate implementation of the business solution provided. Document all projects developed, including clear and efficient coding, and write other documentation as needed.
Essential Functions:
Cyber Analytics Product: Research innovation in digital authentication using behavior biometrics capabilities, build applied AI based models and engineer them into the product called Visa Behavior Analytics. You will engage in data science and applied AI related activities for a Visa engineered product to protect against account takeover related threats, continuously enhancing it to combat threats in the secure authentication and perimeter defense space.
Qualifications
Basic Qualifications:•2+ years of relevant work experience and a Bachelor’s degree, OR 5+ years ofrelevant work experience.Preferred Qualifications:•3 or more years of work experience with a Bachelor’s Degree or more than 2years of work experience with an Advanced Degree (e.g. Masters, MBA, JD,MD).•3+ years of experience in modern data mining and data science techniques(e.g., regressions, decision trees, ensemble algorithms, neural networks, timeseries analytics, clustering, anomaly detection, text analytics, etc.).•Candidates with a PhD in a quantitative field, such as Statistics, Mathematics,Operational Research, Computer Science, Economics, or engineering preferred.•Experience in developing and deploying products using Docker, Kubernetes,and the containerization technology stack.•Experience in development of advanced machine learning and deep learningmodels such as RNN, LSTM, Graph Neural Networks.•Experience and proficiency in working with large language models (LLMs), andfamiliarity with the associated solution architecture and infrastructure,including Nvidia GPUs.•Experience in leading, building, and supporting scalable and reliable AI/ML-powered systems, enabling rapid prototyping and advanced analytics usingmodern big data and AI/ML technologies (e.g., Spark, Kafka, TensorFlow,PyTorch) in an agile environment.•Software Engineering background: The candidate must be proficient in Pythonand at least one object-oriented programming language (Java, Golang, C++,etc.) Golang experience is desired. Candidate must possess softwareengineering skills and be able to take end-to-end ownerships of analyticalmodels.•Data Wrangling: The candidate must have proficient data wrangling skills withPython, SQL, and other data processing tools/scripts.•Experience with the end-to-end machine learning lifecycle and MLOps,including data preprocessing and feature extraction, model training andevaluation, deployment, and monitoring of AI models in productionenvironments.•Experience working with Docker in both development and deploymentworkflows, ensuring smooth transitions from development to productionenvironments.•Distributed Systems: practical experience with NoSQL data platforms (e.g.,Cassandra, Lakehouse, DynamoDB) and caching technologies like Redis is aplus.•A solid understanding of the Linux networking subsystem, contributing to thestability and performance of deployed AI/ML systems.•A solid understanding of the web applications and APIs, contributing to thefront-end accessibility and integration of AI-driven solutions.•Cloud domain: Familiarity with infrastructure and analytics services on cloud(e.g., AWS, Azure) is a plus.•Domain Knowledge - Candidate with background in one or multiple of thefollowing domains is a plus: Cybersecurity, AI security/privacy research andBiometrics
Additional Information
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.
