App & Platform Engineering
Product engineering for software that thrives in the wild.
Web apps, native apps, AI products and full platforms, built by senior engineers who own the work end to end and stick around long after launch.
Mediocre software looks great in the demo and rarely survives first contact with real users.
Why Rare Days
1
We look at the big picture.
We understand the whole problem first, then build the complete product. Product, design and engineering are all in the room from day one, so you never waste money on a design that can't be built.
2
We do the un-sexy bits first.
Access, audit trails, test coverage and load management are all being thought of from day one. It's the least glamorous part of the job, but it's the reason nobody gets texted at 3am.
3
We build with AI, and build AI.
AI runs through how we work and what we ship, from agents to the dev kit we built to move faster. Our engineers were building systems long before AI arrived, which is why our products work when users show up.
4
We don’t clock out at launch.
We stay in your stack and your sprints, building alongside your team as the product grows, as your user base grows, and as your own people grow into it. You'll never be left holding a bag of code.
App & Platform Builds
We take the brand and the design and make them real: a web app, a native app, an AI product or a whole platform, built to hold up when real users show up. Our own dev kit handles the foundations every product needs, so your budget goes into the parts that make yours hit different.
Web Applications
Native iOS & Android Apps
AI-Native Solutions
Community & Membership Platforms
Enterprise Platforms
“I love that I don’t have to be the smartest person in the room on the calls, because they’ve got really talented engineers and designers who add value and bring life to the vision.”
Jasmine Hadjis
CEO, IBE
Backend Architecture & APIs
We make the architecture calls early and test them well past launch day numbers. Databases, APIs and permissions get built to last, which is a polite way of saying nobody has to rewrite your backend two years from now. It's like car insurance for your product.
Database Design
Scalable Cloud Infrastructure
Third-Party Integrations
Load Testing & Monitoring
Access & Permissions
“Three years later, every card, video, and script a parent opens still passes through the architecture your team set up.”
Aditya Jayaraman
Head of Engineering, Good Inside
End-to-End Engineering
Have your own engineering team? No problem. Our engineers join your standups, sprints and codebase, and own complete features front to back. Wherever your team is thin, that's where we go: infrastructure that needs enterprise grade security, an AI feature nobody internally has shipped before, or a front end that needs a lil' TLC.
Full-Stack Development
Technical Leadership
System Architecture
AI Orchestration
Cloud Infrastructure
“Rare Days has exceptionally high standards for engineering and AI implementation. The turn around we had to release this product far exceeded our expectations. They helped level up our internal engineering team, and owned core parts of this product that accelerated us enormously.”
Tyler Denk
CEO, beehiiv
Two ways to work with us
Bring in a complete product team to deliver the whole thing, or add senior firepower to yours while you scale.
Dedicated project team.
We take the whole problem, and deliver the whole solution: the team, the plan, and the accountability for shipping it. Best when the platform needs a complete owner and a roadmap.
Embedded engineers.
Our people work inside your team, in your sprints and your tools, on the pieces you can’t cover yet. You keep product ownership and the roadmap. Best when you’re building your own team and want depth fast.
Ready to Build?
Whether you’re building something new, moving off a platform you’ve outgrown, or need senior engineers in your sprints, we’ll work out what it takes and build it.
Thanks for reaching out!
Miles will be thrilled. He'll be in touch.
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