We build software for ambitious companies.
left blank co. is a software consultancy based in Minneapolis with worldwide reach. For the past eight years, we've helped companies ship products, rethink architectures, and build things that didn't exist before — from mobile apps to live event installations to platform-scale engineering.
interactive experiences · multimedia pipelines + processing · software architecture + consulting
Selected Work
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Rockstar Energy — XR Video Booth
We designed and built a touring XR studio inside a shipping container for Rockstar Energy's activation at a premier skate competition. Camera capture, real-time Unreal Engine compositing, synchronized DMX lighting, a welcoming kiosk interface, and an automated content delivery pipeline.
Read the full case study →400+ participants in two days87% opted to receive their clip60% click-through on delivered videos -
Shipt — Bundle Shopping Architecture
We led the engineering effort to transition Shipt from single-order shopping to “bundles” — enabling a shopper to fulfill multiple orders, for multiple members, from multiple stores in a single trip. The work spanned the shopper app, member app, and both backend APIs over roughly two years.
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NPR — Audio Production and Archival Workflows
Multi-year engagement supporting multiple teams across the organization. Built and maintained transcription, transcoding, and archival tools, including experimental audio fingerprinting and LLM explorations.
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Live Nation — Festival Mobile Apps
We built the mapping, lineup, and AR features for Live Nation's festival apps — from the mobile client through the admin interface to the backend and infrastructure. Supported festivals including Lollapalooza and Austin City Limits.
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Harvard Sound Lab — Mixtape Maker
We built an interactive mixtape maker for Harvard's Sound Lab, letting users create and share custom audio compilations from the lab's collection.
Try it →
We've also worked on…
AI decision-support tools and EMR integrations for urgent care. MotoTRBO radio systems and LiDAR sensor platforms for physical security. React Native apps in the wellness and sleep health space. Fractional CTO engagements. Cloud migrations (and the occasional migration back). Greenfield builds, brownfield rescues, staff augmentation, and more agency work than we can count.
About
left blank co. is led by Brandon Johnson, a software engineer based in Minneapolis. Brandon started the practice in 2018 after three years as a research engineer at space150, where he developed a love for fast-paced, high-quality, client service work and shipped his first React Native apps. He studied journalism and computer science at the University of Minnesota — a combination that still shapes his work to this day.
We bring in trusted collaborators when projects call for it, but most of the time it's a small, focused team that owns the whole process.
Contact
We're typically booked a few months out, but always happy to meet like-minded people and talk about what's next.