Staff SW Engineer - .NET AI Engineer

Sourced from justjobs.com

Visa is seeking a Staff Software Engineer to design and build secure, scalable fintech solutions with a focus on .NET/C# and AI integration. The role involves hands-on development (60-75% coding) using modern AI tools, LangChain, RAG architectures, and LLM APIs to deliver high-quality technology solutions. Collaborate with cross-functional teams to translate business requirements into robust technical designs while adhering to security and regulatory standards.

• Collaborate with stakeholders to determine requirements and incorporate feedback into designs
• Translate functional requirements into system designs and communicate component interactions
• Design and develop product components, refine code plans, and lead design reviews
• Lead by example in creating, implementing, and maintaining extensible, reusable code
• Apply debugging tools to resolve complex issues and identify automation opportunities
• Lead code reviews, ensuring adherence to coding standards and providing feedback
• Create complex test plans, identify test gaps, and proactively address defects
• Leverage data analysis and monitoring standards to identify patterns and defects
• Respond to incidents during on-call rotations and assist in incident resolution
• Build, enhance, and identify new developer tools to support programs and applications

• 5+ years of relevant work experience with a bachelor's degree, or 2+ years with an advanced degree, or 0 years with a PhD, or 8+ years of relevant work experience
• 6+ years of software development experience with strong expertise in .NET/C#
• Hands-on experience with LangChain, RAG architectures, LLM API integration, prompt engineering, and agentic AI patterns
• Familiarity with intent classification and NLP pipelines
• Strong experience in backend development and REST APIs
• Hands-on experience with PostgreSQL, SQL, and MongoDB
• Front-end development experience with ReactJS
• Experience with Docker and Kubernetes
• Strong debugging, troubleshooting, and production support skills
• Understanding of database design, queries, and performance optimization
• Experience with system/API integrations and distributed applications
• Strong problem-solving skills and ability to work independently

• 6+ years of work experience with a Bachelor's Degree or 4+ years with an Advanced Degree
• Experience with agentic development using Claude Code or similar tools
• Experience designing and developing scalable enterprise applications
• Experience in analysis, design, and programming of computer applications
• Experience in writing and maintaining technical documentation
• Experience in performing software testing and troubleshooting