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A senior product-engineering studio in Ottawa, Canada

We build web applications that feel impossible.

We take on the software other teams call too hard (complex web apps, AI products, data-heavy platforms) and ship it remarkably fast, obsessively polished, and built to scale. Thirty years of senior engineering. Zero hand-offs.

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Why this studio exists

  • 30+ yrsShipping production software across web, AI, and data.
  • 6Products we built and run ourselves, used worldwide.
  • 100%Senior-engineered. No juniors on your budget, no offshore hand-offs.
  • 1 dayTypical reply time, before the project even starts.

Let me be straight with you. Most software is built by the wrong people.

Layers of project managers, juniors learning on your budget, work shipped offshore and stitched back together. The result is slow, expensive, and forgettable.

Capital Coders is the opposite. I’ve spent three decades building full-stack products, AI systems, and data platforms, and senior engineers write every line. You talk to the people doing the work. We move fast, we sweat the details, and we take on the problems other shops quietly decline.

If you have something ambitious, or something broken that needs to be brilliant, that’s exactly what we’re here for.

Jordan Harding, Founder & Principal Engineer

What we build

Pick a hard problem. There’s a good chance it’s on this list, and an even better chance we’ve shipped something like it before.

  • Web applications

    Fast, beautiful, scalable apps people actually want to use, from first click to production.

  • AI & LLM products

    AI features that survive real users: evaluation, guardrails, and UX that feels like magic, not a demo.

  • Real-time & data platforms

    Live dashboards, streaming pipelines, and systems that stay fast under serious load.

  • Geospatial & visualization

    Maps, terrain, and data viz that turn overwhelming datasets into something you can see and act on.

  • Performance & scale rescue

    Slow, fragile, or falling over? We make it fast and resilient without taking you offline.

  • Legacy to modern rebuilds

    Untangle an aging codebase into a clean, maintainable platform while the business keeps running.

  • Design-grade front-end

    Interfaces with the polish of a product team that sweats every pixel, transition, and edge case.

Our usual toolkit: TypeScript, React, Node.js, Python, PostgreSQL and PostGIS, LLM and AI pipelines, WebSockets, WebGL and Canvas, cloud infrastructure and DevOps.

Bring us your hardest problem

If any of these sound like you, you’re in the right place.

Zero to one

You have a sharp idea and need it real. We go from concept to something clickable in weeks, then sharpen it until it’s ready to ship.

Rescue

Traffic grew and the app didn’t keep up. We find the real bottlenecks, fix the architecture, and make it fast, all without downtime.

AI

Beyond the demo. Real evaluation, guardrails, and UX so your AI features actually hold up in front of real users.

Rebuild

Nobody wants to touch it and every change breaks something. We modernize it cleanly, one safe step at a time, while you keep operating.

Data & geo

Huge datasets, maps, and live feeds, turned into dashboards and tools people can actually read and act on.

The hard ones

The project other shops called too risky, too weird, or too technical? That’s usually the one we get excited about.

How we work

Senior engineers, tight feedback loops, and something real in your hands fast.

  1. Talk it through

    A real conversation about what you’re building, what makes it hard, and what winning looks like. No sales theatre.

  2. Prototype fast

    We get working software in front of you in weeks, so you’re reacting to the real thing, not slide decks.

  3. Build for real

    Production-grade engineering: clean architecture, automated tests, observability, and ruthless attention to detail.

  4. Ship & stand behind it

    We launch, watch it in the wild, hand over clean docs, and stick around as much or as little as you need.

Fast and solid. Not one or the other.

We’re quick because we’re experienced, not because we’re sloppy.

How we move this fast

Speed without chaos comes from a handful of habits we never skip.

  • AI as a force multiplierModern AI tooling to write, test, and review code at a pace that genuinely surprises people, with every architecture and security call made by an experienced engineer.
  • Small team, senior benchNo coordination overhead. Decisions happen in minutes, not meetings about meetings.
  • Reuse what worksDecades of battle-tested patterns and our own libraries mean we rarely start from a blank page.
  • Automate the boring partsCI/CD, tests, and tooling, so human time goes to the parts that actually need a brain.
  • Ship in slicesWorking software early and often beats a big-bang launch that quietly slips for months.
  • Protect the coreWe guard the heart of what you’re building against scope creep so it actually gets done.

Rock-solid by default

The unglamorous engineering that separates real software from a nice demo.

  • Secure from line oneSensible auth, least privilege, and threat-aware design from the start, not bolted on after a pentest.
  • Tested & observableAutomated tests and real monitoring, so problems surface before your users ever find them.
  • Backups that restoreDocumented backup routines and recovery we’ve actually rehearsed, not just hoped about.
  • Calm deploymentsCode review, deploy gates, and rollback paths, so shipping is routine instead of nerve-wracking.
  • Privacy-respectingData minimization by design. We don’t collect what we don’t need, and we guard what we do.
  • Compliant when it countsProtected B-ready, WCAG 2.1 AA, PIPEDA, ITSG-33: fluent in the frameworks high-stakes work demands.

We ship our own products, too

The best proof we can build yours. These are live and built start to finish by us, so go click around.

And for clients, names withheld where we have to:

Real-time operations portal

AI-assisted automation and live observability for a data-intensive operation that couldn’t afford to go dark.

Decade-old stack, reborn

Rebuilt a brittle legacy PHP system into a clean, API-first platform with fewer incidents, far faster releases.

Why teams pick us

Most shops optimize for billable hours. We optimize for the work being genuinely, provably good.

You talk to the builder

No account managers relaying messages. The person who answers your email is the person writing your code.

Product taste, not just code

The micro-interactions, the empty states, the edge cases. The things that make software feel expensive.

Your IP, always

You own the source code and everything we build. No lock-in, no hostage-taking.

Honest, even when it costs us

If a simpler or cheaper path is the right one, we’ll say so, even when it means a smaller invoice.

Serious range

Full-stack, AI, real-time, geospatial, data. One team that can take a project end to end.

We actually finish

We don’t vanish at 80%. We ship, we polish, and we stand behind what we make.

Built to outlast us

Clean code, real documentation, and knowledge transfer, so your team owns it completely after we step back.

Fast without cutting corners

Speed and quality aren’t a trade-off here. Experience is what lets us have both.

Who we work with

If you care about the result more than the org chart, we’ll get along.

Founders & startups

From first prototype to the product that gets you funded. Startup speed, without the startup mess.

Scale-ups

Your product took off and the architecture is groaning. We help you grow without grinding to a halt.

Enterprises

Serious systems for teams where downtime, bad data, or a clumsy UX carry real consequences.

Product & engineering leaders

A senior team you can drop into a hard problem and trust to deliver. No babysitting required.

Researchers & data teams

Tools that turn complex datasets, models, and pipelines into something people can actually use.

High-stakes & regulated

Government, finance, health: when it matters, we build to Protected B, WCAG, and strict data residency.

Ways to work together

Whether you need a quick sprint or a long-term partner, there’s a shape that fits.

  1. Discovery sprint

    A short, focused engagement to pressure-test an idea and map exactly how we’d build it.

  2. Build the prototype

    A real, working version of your product in weeks, to validate it and rally everyone behind it.

  3. Full build

    End-to-end delivery of your application or platform, from architecture to launch day.

  4. Ongoing partner

    Senior engineering on tap to keep improving, scaling, and supporting what you’ve shipped.

Not sure where to start? Tell us what you’re building.

In a free 30-minute call we’ll tell you straight whether we can help, how we’d approach it, and roughly what it’d take. No pitch, no obligation.

Book a call

Questions people ask

What kinds of projects do you take on?

The hard ones: complex web apps, AI and LLM products, real-time and data-heavy platforms, geospatial visualization, and rescues of slow or failing systems. If other teams called it too hard, that’s usually our favourite kind of project.

How fast can you ship something real?

Usually a working prototype in weeks, not months. We’re senior engineers with no hand-off layers, so we get from idea to something you can click on remarkably fast, then iterate toward production.

Who actually writes the code?

Senior engineers, the same people you talk to. No juniors learning on your budget, no offshore hand-offs. Thirty years of full-stack, AI, and data engineering on every line.

Can you add AI to our product the right way?

Yes. We build LLM-powered features that survive contact with real users, with evaluation, guardrails, and genuinely good UX, instead of impressive demos that fall apart in production.

What does it cost?

It depends on the problem, but we’re upfront about it early. After a short conversation we’ll give you an honest range and a recommended way to start, small if that makes sense.

Do we own the code?

Completely. Engagements are structured so you keep full ownership of the source code and IP, with clean docs and knowledge transfer so your team can run it confidently.

Can you handle security-sensitive or regulated work?

Yes. When it matters, we build to Protected B-ready, WCAG 2.1 AA, PIPEDA, and strict Canadian data residency, without letting the compliance tail wag the product.

Where are you based?

Ottawa, Canada. We’re senior, Canadian-resident engineers, with infrastructure available in Canada when residency matters. We work with clients well beyond Ottawa.

Let’s talk

Tell us what you’re building, or what’s broken. We’ll come back with honest, useful next steps, not a sales sequence.

We usually reply within one business day.

Your information is used only to respond to your inquiry, handled per PIPEDA, and retained only as needed.