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Platform Modernisation

Bring ageing systems forward without a big-bang rewrite

What this involves

How we approach platform modernisation at Oasis Hive.

Rewrites fail when they try to do everything at once. We find the seams in your existing system and replace it piece by piece behind stable interfaces.

Incremental modernisation of legacy systems, replacing what hurts without stopping the business.

What we do

System assessment

A documented picture of what the platform does and where the risk sits.

Strangler-pattern delivery

New services introduced alongside the old system and migrated over gradually.

Data migration

Careful, verified movement of historical data with reconciliation at each step.

Performance and stability

Observability added early so improvements are measured rather than assumed.

What you end up with

  • Modern capability without a risky all-at-once cutover
  • A clear map of the old system and its dependencies
  • Verified data migration with reconciliation evidence
  • Older risks retired one at a time

Tools and technologies

We choose per project rather than by habit. These are the ones we most often reach for here.

Node.js Java PostgreSQL Docker Kubernetes Message queues

Questions about this service

By risk and value. We rank components on business impact, change frequency and technical debt, then start where the return is highest.
Yes, and we prefer it. We work alongside your developers so the knowledge stays in-house when we leave.

Delivered properly

One team from scoping through to support

The people who design the system are the people who answer for it in production, so nothing falls between suppliers.

How the work runs

Six steps, no surprises

Step 01

Listen and map

We interview the people doing the work, review the systems in play and write down how things actually flow.

Step 02

Design the solution

We propose what to build first, what to leave alone, what it will cost and what we are assuming. Options come with trade-offs.

Step 03

Build in increments

Working software every two weeks, demonstrated against real data. You can redirect early while changes are still cheap.

Step 04

Verify and secure

Automated tests, security review and load checks run throughout, not at the end, so findings are fixed while the context is fresh.

Step 05

Launch with support

We plan the cutover with you, migrate data carefully, train your team and stay close through the first weeks in production.

Step 06

Run and improve

Monitoring, support and a regular review of what to improve next. Maintained systems stay valuable.

Next step

Let us scope platform modernisation properly

A short discovery gives you a written specification, a schedule and a fixed price. No obligation to continue afterwards.