Projects
· API automation
API & contract automation
Service-first testing to protect contracts, speed up backend changes and reduce integration failures.
Context & challenges
“Small” backend changes breaking multiple consumers.
- APIs evolved quickly, but consumers (web, mobile, partner systems) were not always updated in sync.
- Manual testing focused on UI — many contract and data shape issues only showed up in testing.
- No single place to see which endpoints were covered and by which tests.
Approach & design
API-first thinking with explicit contracts and test ownership.
- Started with an API inventory, aligned it with domain boundaries and identified critical contracts to protect.
- Introduced contract testing (e.g. provider/consumer) between services and key consumers.
- Added functional API tests for core business flows (create/update/read flows, error handling).
CI integration & environments
Make breaking changes visible before they merge or deploy.
- Wired contract tests into CI so schema or behaviour changes failed fast before affecting other teams.
- Used lightweight test environments or mocked dependencies where full stacks were expensive to spin up.
- Exposed API test results in dashboards grouped by service, so service owners could see health at a glance.
Impact & repeatable parts
A pattern for stabilising service ecosystems.
- Reduced production incidents tied to API shape/behaviour mismatches between services and consumers.
- Backend teams gained confidence to refactor and optimise with immediate feedback on contract impact.
- The same pattern can be reused wherever multiple teams depend on shared APIs.