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Custom Software Development

For the workflows off-the-shelf software was never built to handle

Foundry Software designs, builds, and maintains custom applications, internal tools, and legacy system modernizations for engineering-minded teams.

TypeScriptPythonGoPostgreSQLAWSKubernetes
$ foundry deploy --env production
Build passed (2.4s)
Tests passed (312/312)
Deployed to production
$ _
what we build

Software built around your actual process

Custom Applications

Internal tools and customer-facing apps built for your exact workflow, not a generic one.

Legacy Modernization

Migrating old systems to modern stacks without breaking what already works.

API & Integrations

Connecting your tools, or building the API layer that ties your product together.

Staff Augmentation

Senior engineers embedded in your team for as long as you need the extra capacity.

how we work

Two-week sprints, no black box

  • Technical scoping upfront — a real architecture plan before estimates, not after.
  • Working software every sprint — you see and can use progress every two weeks.
  • Direct access to engineers — no account manager relay between you and the people coding.
  • Documentation from day one — so the codebase isn't a mystery when we hand it off.
SPRINT 01Architecture & data model
SPRINT 02Core workflows, working demo
SPRINT 03Integrations & edge cases
SPRINT 04Hardening & production launch
Case study

Replacing a 12-year-old logistics system without downtime

A regional logistics company was running dispatch on software last updated in 2013. We rebuilt it as a modern web app, migrated a decade of data, and cut over with zero missed shipments.

0missed shipments during migration
14 wksfrom kickoff to full cutover
faq

Questions engineering leaders ask

Do you work with our existing engineering team?+

Yes — we regularly work alongside in-house teams, either building a discrete module or augmenting capacity.

Who owns the code?+

You do, fully. All code, infrastructure, and documentation transfer to you at project completion.

Can you take over an existing codebase?+

Yes, we start any takeover with a codebase audit so we understand what we're inheriting before making changes.

What does an engagement cost?+

Most projects range from $60,000 to $300,000 depending on scope. We provide a fixed estimate after technical scoping.

Got a system nobody wants to touch?

That's usually where we're most useful. Tell us about it and we'll give you a straight answer on scope.

build@foundrysoftware.dev