Riley Haffner

Software Engineer @ Capital One | AI, Large Language Models, Cybersecurity, Operating Systems & Networking Enthusiast | Curious Tinkerer | Lifelong Learner

Role
Senior Associate Software Engineer at Capital One
Location
Arlington, VA, US
LinkedIn followers
500 followers
Information TechnologyView LinkedIn profile

About Riley Haffner

Graduated with three engineering degrees from Washington University in St. Louis (BS & MS in Computer Science and BS in Computer Engineering) with a second major in Finance and a Graduate Certificate in Cybersecurity Engineering. Enthusiastic leader, skilled in problem-solving and motivating others. Multi-year experience in Full-Stack Development, AI, Cybersecurity, Systems Software, Operating Systems, Networking, 3D printing, design, rapid prototyping, and product development. Research experience and interests include Large Language Models, Network Security, Quantum Computing, Hardware Hacking and Penetration Testing.

Experience

  1. Senior Associate Software Engineer

    Capital One

    Jul 2025 — Present · McLean, VA, US

    Senior Associate in the Technology Development Program (TDP) working within Card Tech Fraud supporting US Fraud Rules, Auth Engine, and data pipelines.

Education

  • Washington University in St. Louis

    Bachelor of Science - BS, Computer Engineering

  • Washington University in St. Louis

    Master of Science - MS, Computer Science

  • Washington University in St. Louis

    Bachelor of Science - BS, Computer Science

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Riley Haffner — Senior Associate Software Engineer at Capital One in Arlington, VA, US | Unifers