Senior Data Engineer - GenAI Platforms

About the role

Visa's Value Added Services (VAS) - Digital Marketing team is hiring a Senior Data Engineer to join an engineering team building GenAI-powered platforms and applications. The team develops AI-driven applications powered by large language models, integrates generative AI into enterprise platforms and workflows, and builds scalable systems combining AI, data and distributed architectures. The role sits within Visa's Technology Organization, which operates a global payment processing network.

Key responsibilities

• Collaborate with product teams, business partners and cybersecurity to clarify requirements for data-driven features and products
• Create and document technical designs, and present technical solutions to peers
• Implement code following coding patterns, best practices and security requirements, and take part in code reviews
• Build tools and automation for transforming, managing, deploying and monitoring data processes
• Write queries to extract and compile raw data, implement orchestration and validate data quality
• Conduct unit testing, security scans and user acceptance testing, and help troubleshoot issues
• Support routine client requests, software upgrades and security patches

Required profile

• At least 3 days in the office per week, with exact expectations confirmed by the hiring manager
• Digital fluency, including using Generative AI tools such as ChatGPT and Microsoft Copilot
• Basic: 2+ years of relevant experience and a bachelor's degree, or 5+ years of experience
• Preferred: 3+ years of experience with a bachelor's degree, or 2+ years with an advanced degree

Required skills

• Core programming in Java, Python or similar
• Microservices, APIs and streaming frameworks such as Kafka
• Generative AI: LLM providers (OpenAI, Anthropic), LangChain, LangGraph, MCP, prompt engineering, vector search and embeddings
• Unit testing, code reviews and production support