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Legacy Modernization

Migrate without freezing the business.

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The problem

The legacy system is too risky to touch and too expensive to leave alone. Every "big rewrite" attempt has stalled. Velocity is dropping, hiring is harder, and the on-call rotation is brutal.

Value proposition

We don't pitch rewrites. We design migrations that ship value every sprint, with the legacy system running until the new one is provably better. Lower risk, faster payoff, no heroics.

Engagement model

Assessment then phased migration. 3–4 week paid assessment with a written roadmap. If we both want to continue, we lead the migration in 6–12 week phases with explicit exit points.

Call to action

Tired of carrying a system everyone wants to replace but no one wants to touch? Let's plan a safe path out.

Capabilities

  • System and codebase assessment
  • Strangler-fig migration design
  • Incremental re-platforming
  • Database migrations and dual-writes
  • Test harness and parity validation
  • Cutover planning and rollback drills

Deliverables

  • Modernization roadmap with risk ranking
  • Incremental delivery against the legacy system
  • Parity test suite
  • Cutover and rollback runbooks

Typical stack

PolyglotPostgreSQLTypeScriptContainerized deploys

Questions

Common questions

Funded startups, SMEs, and enterprise innovation teams. We've shipped MVPs for pre-seed founders and migrated platforms for public companies.

Fixed-scope sprints for MVPs (4–12 weeks), monthly retainers for ongoing product teams, and short architecture engagements (1–3 weeks) for audits.

Shared Slack or Linear, weekly written updates, a public roadmap, and a live demo every Friday. No status meetings for the sake of meetings.

Yes. All IP is yours from day one. We commit directly to your repository under your license.

Work with us

Ready to talk specifics?

Start with a short discovery call about your legacy modernization project, or send full details. A senior engineer replies within one business day.

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