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Node.js Migration · Norwich

Node.js Migration in Norwich

Node.js version migrations for Norwich organisations, where the schedule is published and the consequence of ignoring it is not. Releases have defined support windows, and once a version passes end of life it receives no further security patches — so an application on an old runtime is accumulating known vulnerabilities with no route to fixing them.

Why this comes up

The problem

Production runs a version that stopped receiving security updates over a year ago, and nobody scheduled the upgrade.

What you get

What we deliver

  • Current support position established for the runtime and the major dependencies
  • Native modules identified, since these need rebuilding and sometimes replacing
  • Deprecated APIs found and updated before the version change rather than after
  • Module system position resolved where a codebase mixes both styles
  • Upgrade tested against real load, not only against the test suite
  • A cadence agreed so the next version change is routine

Want this scoped for your business in Norwich?

Thirty minutes, no charge, no sales script. You leave with a written summary of what node.js migration would actually involve — whether or not you use us.

Book a 30-minute call

Working in Norwich

East of England

Norwich pairs a long-standing insurance sector with a large agricultural hinterland, and agri-food clients here often need systems that work offline and sync later, because rural connectivity is a real constraint.

Agri-food clients frequently need systems that work offline and sync later, alongside more conventional insurance and professional services work.

Sectors we work with in Norwich

  • Insurance & Financial Services
  • Agriculture & Food
  • Digital & Creative
  • Tourism

What we work with

Technologies and platforms

  • Node.js
  • TypeScript
  • Docker
  • npm

Who we work with

Industries we serve

  • SaaS businesses
  • Retail
  • Financial services
  • Media companies
  • Technology companies

Why us

Why Norwich businesses choose Asionis

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

How we work

  1. Step 1

    Free consultation

    A 30-minute call to understand the problem. You keep the written summary either way.

  2. Step 2

    Proposal

    Scope, timeline and a fixed price, in writing, before anything starts.

  3. Step 3

    Build

    Short cycles with regular check-ins, so you see progress rather than hear about it.

  4. Step 4

    Launch and support

    We handle the go-live and stay available afterwards.

Node.js Migration in Norwich — common questions

How urgent is an unsupported runtime?
It depends on exposure, and the direction is one-way. No patches means every vulnerability discovered after that date remains open permanently, so an internet-facing service on an unsupported version is a position that only worsens with time.
What usually breaks?
Native modules and abandoned packages. Anything compiled against the old runtime needs rebuilding, and dependencies that stopped being maintained may never support the new version — which turns part of the upgrade into a replacement exercise.
Should we jump to the newest version?
Move to a supported long-term release rather than the newest available. That gives the longest window before the next required move, and avoids the churn of tracking versions that will themselves reach end of life within months.
Is the test suite enough to verify it?
Not on its own. Runtime upgrades change performance characteristics and memory behaviour in ways tests do not exercise, so a period running the new version under realistic load before full cutover is what catches the remaining surprises.
Do you work with businesses across Norfolk?
Yes. We are based in Leicester, United Kingdom and work with clients throughout East of England, including Norwich and the surrounding Norfolk area. Most collaboration happens remotely, and we travel for kick-offs and key milestones.
What kind of Norwich businesses do you usually work with?
Agri-food clients frequently need systems that work offline and sync later, alongside more conventional insurance and professional services work. Beyond that we work across Insurance & Financial Services, Agriculture & Food, Digital & Creative and Tourism.
Do you cover the areas around Norwich?
Yes — we work throughout East of England, including Cambridge, London. Norwich is an urban area of roughly 200,000+, and we take on work across the wider Norfolk region rather than the city boundary alone.

Talk to us about Node.js Migration in Norwich

A 30-minute call with someone who would actually work on it. No sales script, no obligation.

  • Projects typically launched within 4–8 weeks
  • No long-term contracts required
  • All team members UK-based
  • Dedicated account manager and development team
  • Transparent reporting with monthly performance metrics
  • Scalable from startup to enterprise

Or reach us directly

07707 771599admin@asionis.com

Leicester, United Kingdom