Enterprise
Modernization
You don't have to rewrite it. You have to make it safe to change.
Most legacy systems aren't failures. They just outgrew their first design. The job isn't to throw them out. It's to make them easier to upgrade, easier to operate, and easier for the next person to understand without a three-hour Slack thread.
We work incrementally. A rewrite has to earn its place on the plan, and most of the time it can't.
Signs the system is fighting you
If two or more of these sound familiar, this is probably the right conversation.
Dependency upgrades turn into multi-week projects
What used to be a one-line bump now needs a sprint and a steering committee.
Engineers avoid touching certain modules
There's a list of files nobody opens unless they have to. Risk is sitting in the code nobody owns.
Releases need a person who remembers the order
Rollback is a phone call, not a button. Deploy windows show up on a calendar.
The same files keep showing up in postmortems
It's not the whole system. It's the same handful of modules, and everyone knows which ones.
You can't patch the CVE without an upgrade
And the upgrade has been on the backlog since the last time you tried.
New engineers need a quarter before they can ship
The system is hard to reason about, even for people who've been there a year. Most of the knowledge isn't in the repo.
Capabilities
Runtime and framework upgrades
JDK and LTS transitions, Spring Boot, .NET, Node, Python. The upgrade plan tells you what breaks before it breaks.
Incremental refactoring
Strangler patterns and clearer boundaries. We change code with tests behind us, not vibes.
Characterization tests
Pin current behavior down before changing it. Regressions surface in CI, not in a Sunday-morning incident.
Build and release
Faster CI, signed artifacts, repeatable releases. Rollback becomes a button you'd actually trust at 2am.
Observability worth having
Logs you can query. Traces that finish a story. Alerts that don't get muted by week two.
Security and compliance
Scanning wired into CI, secrets out of code, dependency policies the team will actually follow.
How we approach it
Four phases. Each one is a gate. If the system isn't safe to change yet, that's where the work is, and we don't pretend otherwise.
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Assess
Read the codebase, the pipeline, and the dependency graph. Find the upgrade blockers and the modules nobody wants to touch. Agree on what's worth fixing first.
Don't move on until we agree what's actually worth fixing.
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Stabilize
Safe change before fast change. Builds get reliable, tests get teeth, and deploys get a rollback path the team trusts.
Don't move on until rollback is a button, not a meeting.
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Modernize
Upgrades go out in slices. Framework, then runtime, then dependencies. Each slice has a checkpoint, and a way out if it doesn't hold.
Don't move on until the team is running the playbook without us.
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Enable
Hand off the playbooks, the runbooks, and the decision records. The team should be able to do the next upgrade without picking up the phone.
We're done when the next upgrade doesn't need us in the room.
What you'll have at the end
Roadmap with real sequencing
A prioritized plan that sequences upgrades by risk, value, and what depends on what.
Upgrade playbooks
Step-by-step procedures for the upgrades we plan to do, with rollback paths the team has actually tested.
Test harnesses and safety checks
Characterization tests, regression suites, and canaries that catch behavior drift before customers do.
Dashboards and alerts that matter
The signals that tell you an upgrade went sideways. Not the dashboard nobody opens.
Runbooks and decision records
Why we did what we did, and what to do when the next thing breaks. Written for the engineer who joins next year.
Outcomes you can point to
Fewer incidents during change
Upgrades stop being a coin-flip. Most of them go out boring, which is what you want.
Faster upgrades, more often
When the next CVE lands, you patch it. You don't watch it sit in the backlog for six months.
Predictable rollouts
Smaller changes, clearer rollback. The all-hands deploy window goes away.
Foundations that outlast us
Documentation, automation, decision records. We don't want to be the team you can't operate without.
Get started
Start with a free consult
Tell us about the system that's hardest to change right now. What breaks when you touch it, which upgrades you've been putting off, what keeps coming back as an incident. We'll help you figure out where to start.