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Andy Tiffany

Engineering Leader at Square

Andy Tiffany is currently the Director of Engineering at Square, based in Richmond, Virginia. He has a strong background in computer science and has previously held roles at companies like Stitch Labs and First. He studied at the University of Maryland College Park and has accumulated significant experience in engineering management throughout his career.134

On LinkedIn, he actively shares updates about his team and hiring opportunities, indicating a focus on expanding his team's capabilities, particularly in mobile engineering for iOS and Android.2 Andy Tiffany boasts over 500 connections on LinkedIn, reflecting his extensive professional network in the tech industry.1

Highlights

Dec 13 · linkedin

Chat-based interfaces are on the rise with recent AI breakthroughs, and they will change the way we think about building accessible software.

The first graphical user interface (GUI) came to life in the 1973 Xerox Alto, inspired by Douglas Englebart's research that focused on how young children learn and interact. The Alto introduced the Windows, Icons, Menus, and Pointing (WIMP) paradigm that persists today.

Command-line interfaces (CLIs) came years earlier, where users would enter specific text commands to interact with machines and programs. CLIs are still widely used, but they rely on mastering a particular grammar, so these days they are mainly used by engineers and scientists. When I first started learning to navigate a CLI (Unix), my professor likened it to a manual transmission; there's a learning curve, but once you've mastered it, it puts you more in touch with the machine.

Both GUIs and CLIs have places where they shine today, but I wouldn't describe either as broadly "accessible." CLIs aren't widely accessible because of the steep learning curve, and GUIs aren't accessible for many visually impaired people. Screen readers can help, but it's a fundamentally difficult job to translate from an interface designed for vision to a spoken description of that interface, and the team building the software has to invest in making sure their interfaces are screen reader friendly for this to work.

Chat-based interfaces possible now are kind of like a widely accessible CLI (with a bit less precision). You can talk directly to the software, with natural language words and sentences. There’s no learning curve required. You can ask questions or just say exactly what you want. For many users, this kind of direct interaction will be preferable to clicking around a visual interface. Chat interfaces also map far more cleanly to a spoken interface than a GUI, and I think this new era we're entering for accessible software is not fully appreciated yet.

Mar 8 · linkedin

My team at Square/Block is hiring across the stack, but especially for iOS and Android engineers right now. We've got some exciting projects underway - let me know if you're interested in chatting!

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Andy Tiffany
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Location

Richmond, Virginia, United States