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Solutions

Legacy system replacement

For companies whose systems no longer fit the business. We design the replacement and connect it to the systems you keep.

JarvisMCP, which we build and run
Running now · JarvisMCP

What we do

We assess your current systems, design what replaces them, and migrate in phases so the business keeps running. Old databases, outdated APIs and manual handoffs are replaced with software connected to the tools and data you are keeping.

  • Retire the database nobody on staff understands anymore
  • Cut the manual steps between your systems
  • Lower IT spend as old contracts and servers go away
  • Build to the requirements your compliance team sets
  • Pull reports from one source instead of five exports
  • Ship changes more often

What is included

The scope we agree with you draws from these.

  • Strategic planning

    We map what you run now and what replaces it, in order

    Current state assessment · Future state vision development · Technology roadmap creation · ROI and budget planning · Risk assessment and mitigation
  • Technology implementation

    We build the new stack and migrate your data onto it

    Cloud infrastructure setup · Enterprise software development · System integration and APIs · Data migration and management · Security implementation
  • Process optimization

    We redesign the workflows the old systems forced on you

    Workflow analysis and redesign · Automation implementation · Performance monitoring systems · Quality assurance frameworks · Continuous improvement processes
  • Change management

    Training and rollout so your team adopts the new tools

    Stakeholder engagement strategy · Training program development · Communication planning · Support system setup · Success measurement frameworks

How the work runs

The usual order of work, and how long each step takes.

  • Assessment & strategy

    We audit every system you run and design what replaces it.

    4-6 weeks
  • Planning & design

    We plan the project, design the architecture and set the timeline.

    4-8 weeks
  • Development & implementation

    We build and deploy new systems in phases.

    12-24 weeks
  • Testing & training

    We test, train your team and manage the switchover.

    4-8 weeks
  • Launch & support

    Go-live support, monitoring and ongoing fixes.

    Ongoing

What we measure

Manual steps
Counted before and after
IT costs
Compared before and after
Processing time
Measured before and after
Security review
Each phase

Questions

How long does enterprise transformation take?

It depends on scope. Large migrations run in phases over many months, and each phase delivers something your team can use.

Can you work with our existing IT team?

Yes. We work alongside your team and document what we build so they can run it.

How do you ensure minimal business disruption?

We roll out in phases, run old and new systems side by side where we can, and test before each switch.

What about compliance and security requirements?

Compliance sign-off stays with your compliance team. We build to the requirements they set and document what we built so it can be audited.

Do you provide ongoing support after implementation?

Yes. Support covers monitoring, maintenance, fixes and help desk.

How we work

How a change reaches production

The same five gates for our own products and for yours. Nothing reaches your customers on the strength of a demo.

  1. 01 · Isolate

    Its own branch and workspace

    Every change starts in a separate copy of the code, so work in progress never touches what is live.

    git worktree add .worktrees/your-change
  2. 02 · Build

    Engineers with AI agents

    Agents write and test code beside us. They hold no passwords: every call they make goes through our gateway, which checks it and logs it.

    agent → gateway → policy · audit · call
  3. 03 · Prove

    Evidence, then review

    Tests, before-and-after screenshots of the running app, then independent reviewers. It does not move on until no serious finding is left.

    review: 0 high · 0 medium → pass
  4. 04 · Ship

    Deployed and checked live

    The pipeline builds and deploys. Then we check the running service itself, not just a green build.

    replicas 1/1 · image sha matches · health 200
  5. 05 · Watch

    Checked every night

    Each integration we run is tested against its provider every night, so a changed API is caught before your team notices.

    nightly: each integration vs its provider

Tell us what the business runs on

Tell us what you need, and we will scope the work and outline the timeline.