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    CUSTOM SOFTWARE & SAAS PRODUCT ENGINEERING

    Legacy application modernization

    Legacy application modernization for systems the business depends on and nobody wants to touch. We modernize incrementally, module by module behind stable interfaces, so the system improves while it keeps running. No big-bang rewrite, no eighteen-month feature freeze.

    THE STRANGLER FIG — MODULE BY MODULElive
    LEGACY
    CORE
    auth
    billing
    reports
    search
    admin

    Stable interfaces hold while the core is replaced. No big-bang rewrite.

    WHEN YOU NEED THIS

    0/5 fit

    WHAT'S INCLUDED

    • Architecture and dependency assessment of what is actually there
    • Modernization roadmap with modules sequenced by risk and value
    • Strangler-fig migration plan: new grows around old
    • Interface stabilization so old and new coexist safely
    • Test harness around legacy behavior before anything changes
    • Module-by-module modernization, each shipped and verified
    • Data migration with verification at each step
    • Deployment and rollback strategy per module
    • Performance and security improvements picked up along the way
    • Documentation of the new architecture
    • Team enablement on the modernized modules

    WHAT'S NOT INCLUDED

    • Big-bang rewrites (we will not sell you one)
    • Feature freezes for the duration
    • Vendor-specific platform lock-in as the target state

    HOW WE DELIVER IT

    STEP 01 — WEEKS 1–2

    Architecture, dependencies, and change-pain mapped; roadmap written.

    PROOF

    LIVE
    PROOF · CHÂTEAU PRIVATE WEALTH

    Private Wealth Digital Experience Platform

    Premium frontend experience layer for a private wealth advisory firm, built to support high-trust conversations and convert high-net-worth leads.

    100%custom frontend · no templates
    Read the case study

    FAQ

    Honest answers to the questions that show up most.

    05answers on file

    Big-bang rewrites of business-critical systems fail often and visibly. Incremental modernization keeps the business running and shows shipped progress in weeks, not quarters.

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