Legacy systems background

Legacy modernization — NSW enterprises

Modernize monoliths, lift-and-shift to cloud-native, and introduce API-first architecture with Dealparallax. Trusted in Sydney and across Australia.

Services: Cloud migration · Replatforming · API modernization · Progressive refactor

Why modernize now?

Legacy systems introduce operational risk, high maintenance cost, and limit innovation velocity. Modernization unlocks scalability, data-driven features, and reduced TCO for NSW organisations.

  • Reduce maintenance overheads and single-vendor risk
  • Improve security posture and compliance across AUS regulations
  • Accelerate feature delivery with modular, testable code
Get a modernization review
Team workshop on modernization

Our approach

  1. Discovery & risk assessment — map dependencies and tech debt
  2. Target architecture — define cloud-native/strangler patterns
  3. Incremental delivery — safe breaks, automated tests, CI/CD
  4. Operate & optimize — observability, SRE practices

Typical outcomes for NSW clients

  • 40–60% lower hosting & maintenance costs within 12–18 months
  • 2–3x faster time-to-market for product teams
  • Improved reliability and reduced incident frequency

Core services

Cloud migration

Lift-and-optimize or replatform to AWS/Azure/GCP with resilience and cost controls.

API-led modernization

Decouple interfaces, introduce API gateway, and enable third-party integrations.

Progressive refactor

Incremental module extraction and strangler pattern to avoid big-bang rewrites.

Cloud architecture diagram
Lead architect portrait

Modernization roadmap & FAQs

Inventory, dependency mapping, risk heatmap, and identification of low-effort high-impact changes.

Introduce automated testing, CI pipelines, and extract services behind APIs.

Migrate to cloud-native services, implement observability, and hand over runbooks and SLOs.
MetricTarget
Mean time to deploy-50% in 6 months
Ops cost-40% in 12 months
Incidents-60% after SRE

Case study — NSW public sector client

We migrated a legacy citizen-services platform to a containerized platform, reducing cost and improving service uptime.

Challenge

Monolithic app with manual releases.

Solution

API-first replatform, CI/CD, blue-green releases.

Result

99.9% uptime and 45% cost reduction.

Request a roadmapPrivacy & compliance

Get started — quick checklist

  • List apps & owners
  • Capture infra costs & SLAs
  • Prioritise candidate services by risk and value
  • Schedule a 2-week discovery with Dealparallax
Schedule discovery