Sr. SW Engineer

About Us

Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.

At Visa, you'll have the opportunity to create impact at scale — tackling meaningful challenges, growing your skills and seeing your contributions impact lives around the world.

Join Visa and do work that matters – to you, to your community, and to the world. Progress starts with you.

Job Description

Role Summary

We are seeking a Senior AI Engineer to help build next-generation cybersecurity AI products for enterprise security teams.

This is a hands-on individual contributor role for an engineer who combines strong AI engineering capability, practical software development skills, and a strong interest in cybersecurity. You will report to the Director, Cybersecurity AI Product and work as part of a newly formed product development team focused on building and operating agentic solutions that help users investigate threats, triage alerts, automate security workflows, analyze vulnerabilities, and make better security decisions.

The ideal candidate is AI-native, product-minded, proactive, and comfortable working through ambiguity. You should be able to learn quickly, experiment with new AI technologies, build reliable product features, and translate customer problems into practical AI-driven solutions.

This role requires hands-on experience with LLM applications, agentic AI systems, retrieval-augmented generation, tool orchestration, context management, model evaluation, cloud-native software engineering, APIs, and secure software development. Familiarity with cybersecurity concepts, security operations, cloud security, or threat intelligence is strongly preferred.

Key Responsibilities:

• Build Cybersecurity AI Products
• Apply Strong AI Engineering Practices
• Develop Production-Grade Software
• Continuously Learn, Research and Evaluate Emerging AI technologies

Visa requires at least 3 days in office, expectations of these days will be confirmed by your Hiring Manager.

Qualifications

Experience:

• Bachelor’s degree in Computer Science, Electrical Engineering, or other related fields.
• 2+ years of professional experience in AI engineering, machine learning engineering, software engineering, data engineering, or related technical roles.
• 1+ years of hands-on experience building AI/ML, LLM-based, automation, data-driven, or intelligent software systems.

AI Engineering:

• Practical experience with LLM applications, AI workflow automation, AI assistants, copilots, or agentic AI systems.
• Familiarity with concepts such as:
  • Prompt engineering
  • System prompts and instruction design
  • Retrieval-augmented generation
  • Vector search
  • Embeddings
  • Tool calling
  • Function orchestration
  • Context management
  • Agent memory
  • Evaluation datasets
  • Model benchmarking
  • Feedback loops
• Experience with agentic AI frameworks or tools such as:
  • LangChain
  • LlamaIndex
  • Semantic Kernel
  • AutoGen
  • CrewAI
  • OpenAI Assistants / Responses-style APIs
  • Vector databases
  • Knowledge graphs
  • Model evaluation frameworks
• Ability to evaluate AI outputs objectively and improve quality, safety, reliability, latency, and cost.
• Experience using commercial or open-source AI models and APIs.
• Demonstrated ability to use AI tools in everyday work for coding, debugging, research, documentation, testing, or productivity improvement.

Software Engineering:

• Strong programming ability in one or more languages such as:
  • Python
  • TypeScript / Node.js
  • Go
  • Java
  • C#
  • Rust
• Experience building backend services, APIs, data pipelines, integrations, or cloud-native applications.
• Familiarity with web applications, distributed systems, databases, CI/CD pipelines, logging, monitoring