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GeezerVison is showing af.codes — Aidan Follestad's Site

Aidan Follestad

Aidan Follestad

   years old, full stack software developer, Staff (L6) Android Engineer @ Block

GitHub LinkedIn

Mobile

Kotlin & Android. iOS on the side.

Web

Classic HTML, CSS & JavaScript.

Backend

Kotlin & some Node.js.

Introduction

I was born in St. Paul, Minnesota. I spent almost 6 years in the San Francisco Bay Area, but ended up back in Minnesota. I'm currently a Staff (L6) Android Engineer at Block.

I'm 100% self-taught; I started with C++ when I was 13 years old, moved into desktop apps, and then mobile apps when the first Android phones came out. I've also contributed heavily to open source over the years.

Outside of work, I'm into motorcycles & cars, photography, snowboarding, and drums. Music taste ranges from rock, metal & punk to EDM & K-pop. Current loves: 2020 Triumph Street Triple RS 765 🏍️, 2025 Hyundai Ioniq 5 N 🏎️, Sony Alpha 7R VI 📷.

Experience

Block logo

Block

Staff Android Engineer, Neighborhood Network

Mar 2026 — Present

Working across Square Point of Sale and Cash App functionality while contributing to open source and foundational platform projects.

Staff Android Engineer, Ecommerce

May 2025 — Mar 2026

I worked on Square Websites in POS, and the Neighborhood Network in Cash App.

Staff Android Engineer, Conversations

Jun 2021 — May 2025

I worked primarily on the Square Messages product. Promoted to staff L6 on this team.

Senior Android Engineer, Personalization

Sep 2020 — Jun 2021

I built the new Point of Sale checkout experience on Android. Promoted to senior L5 on this team.

Android Engineer, Device Experience

Mar 2018 — Sep 2020

I worked on the user-facing software that runs on Square Register and Square Terminal, helping to bring them to market.

Target logo

Target

Android Engineer

Nov 2016 — Mar 2018

I worked on the flagship app before & after it was merged with Cartwheel (now called Circle). I also led implementation of in-store app payments (via barcode).

SkillFitness logo

SkillFitness

Mobile Solutions Developer

Jul 2015 — Nov 2016

I did Android, iOS, and backend work for a professional training CRM platform.

Android Development Consultant

Jun 2015 — Jul 2015

I brought SkillFitness into the world of Android.

🤷‍♂️

Ricco Solutions

Lead Mobile Engineer

May 2013 — May 2015

I developed Android and iOS mobile applications using Java & Objective-C. This was my first step into using my skills professionally (as an intern).

Apps

Chromahora

iPhone, iPad & Apple Watch

A photographer's day planner for golden hour and dark skies.

Carouline

iPhone & iPad

Photo carousels with up to four photos or a panorama per slide.

Alveary

Mac

Run Claude Code, Codex and OpenCode side by side.

GifDrop

Web

Turn a video into a GIF in your browser, without uploading it.

Roastier

Mac

Keep your Mac awake from the menu bar, as long as you need.

Reqling

Mac

Test HTTP, GraphQL, gRPC and WebSocket APIs, kept as files.

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