Codebase audit and technical debt assessment
A clear picture of what you have, why it got here, and what needs to change in what order.
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Software DevelopmentSoftware Enhancement and Modernization
Fix the system everyone depends on and nobody trusts.
We audit, cover, refactor, and migrate the risky parts without turning the business off.
What we build
Modernization without the big-bang rewrite.
We stabilise the code, data, deployment path, and documentation in phases your team can see and verify.
Refactoring and architecture improvements
Targeted changes to the parts that cause the most pain, without touching what is working.
Test coverage from zero
Unit, integration, and end-to-end tests written before refactoring so changes are safe.
Database schema optimisation
Query analysis, index strategy, and schema improvements that address the slow spots without a full migration.
Modern stack migration
Phased migration to current tooling: language versions, frameworks, and build systems updated incrementally.
CI/CD pipeline introduction
Automated testing, build, and deployment so the next change is not a manual production push.
Documentation and knowledge transfer
Architecture decision records, runbooks, and code comments that mean the next engineer can orient themselves.
Performance optimisation
Profiling, bottleneck identification, and targeted fixes for the queries and functions that actually matter.
Where this fits
Rewrites fail. Incremental modernization works. The discipline is knowing which parts to touch and in what order.
Good fit
- Revenue-critical systems that work, but are slow, brittle, or risky to change.
- Teams with legacy code nobody trusts but everyone depends on.
- Businesses that need migration without stopping daily operations.
Not the right job
- A rewrite request with no business reason beyond taste.
- A system with no access to source, data, or the people who use it.
How the work moves
Three visible checkpoints, no mystery middle.
First milestone
A system map, risk register, dependency list, and first safe improvement.
Timeline
Assessment takes 1-2 weeks; modernization work is usually phased over 4-12 weeks.
Handoff
Migration notes, test strategy, operational runbook, and a prioritised technical backlog.
Legacy system recoverySoftware Development
01Legacy
02Tests
03Module
04Migration
05Release
RiskCoverageRollback
Technical shape
Proof it can survive the handoff.
Audit before action
We do not start coding until we understand what we are working with and why it got to this state.
Strangler fig
New functionality in modern code, old code phased out over time. No big-bang rewrite, no months of no visible progress.
Covered before changed
Test coverage goes in before refactoring. Changes are verified safe or they do not happen.
TypeScriptNode.jsReactPostgreSQLDockerGitHub ActionsVitestPlaywright
Practical outcomes
After this, you have something concrete.
Risk reduced in place
We stabilise the parts that hurt first instead of disappearing into a rewrite.
Clear migration checkpoints
Old and new paths are compared, tested, and switched deliberately.
A system people can change
Documentation, test coverage, and deployment notes make future work less dramatic.
Start with the problem
Tell us what is not working.
One sentence or ten. We will tell you if this is a good fit, what we would look at first, and whether a smaller move makes more sense.