Spontaneous Development Contact

Spontaneous Development  ·  New York

We build elegant, powerful, innovative software.

Mostly we do it for ourselves — our own products, our own launches, our own ideas. Of course, if you have an interesting project to start, or you’re just stuck, maybe we can help. Let’s talk.

information@spondev.com

We’ve spent decades building products and the companies around them. We were early to rebuild how we work around AI — not as something we sell, but as how we build — and it’s why a small, senior team now reaches the ambitious version of an idea faster than most thought possible. We do it for ourselves first, and with a few like-minded clients.

What we do
Strategy

Product & Platform Strategy

Before anything gets built, someone has to decide what’s worth building. We’ve held the Chief Product Officer seat inside real companies, and we bring that judgment to deciding what to build, in what order, and why.

Modernization

Legacy System Modernization

Older platforms don’t have to be torn down to move forward. We re-architect established systems — including ones still running on decades-old foundations — into modern, maintainable, cloud-native applications, without losing what made them work.

Build

Web & Mobile Application Development

We design and build robust web and mobile applications end to end. Most of what we take on turns out to be more involved than clients first expect — which is usually the point.

Leverage

AI-Augmented Engineering

We’ve rebuilt our own practice around modern, AI-assisted development. In practice it means a small senior team now delivers at a scale and pace that used to require many more people — and that clients can take on ambitions they’d written off as too large.

Our own products

Product Development

We don’t only build for clients. We fund, build, and operate our own software products — which is how we know the tools and methods we recommend actually hold up under real conditions.

How we work

We work the way a good startup works — quick to build, quick to learn, quick to change course — at a level of rigor that suits established companies with real stakes. There’s no layer between you and the people doing the work. The relationship you start with is the one you keep.

Relationships measured in decades

Some of the clients we work with today, we’ve worked with for decades. We tend to stay; most of our engagements become long-term relationships rather than projects.

That continuity is the thing a newer shop can’t manufacture — and it’s the clearest measure we have of whether the work was any good.

The firm

Founder-led and senior by design. The people who decide what to build are the people who build it — with decades of shipping behind them, and a habit of building their own products that keeps the work honest.