Feature work is blocked
New rules, roles, imports or administration workflows are needed, but the original development capacity is no longer available.
Senior PHP development
PHP development for established applications and demanding backend logic.
ProWebSolutions supports companies when a PHP application must be extended, stabilised or technically reorganised—through direct communication from Leipzig and remote delivery.
When support is useful
Not every PHP engagement starts with a greenfield build.
The application often already contains valuable business rules and data but has become difficult to change safely.
Failures are hard to isolate
Defects occur only with particular data, users or background jobs and require structured diagnostics.
Runtime upgrades are overdue
Unsupported PHP versions or dependencies prevent routine maintenance and increase operational risk.
SQL has become a bottleneck
Slow or inconsistent queries affect reports, imports and user-facing workflows.
Changes have unknown side effects
Tests, release notes and a reproducible deployment path are missing.
Development and operations are disconnected
Production logs, jobs, backups and deployment are treated separately from application changes.
Scope
Backend logic, data and production behaviour belong together.
Work can include domain logic, administration, user and permission models, imports, exports, reporting, document generation, email workflows, scheduled jobs, APIs and SQL. Existing conventions are assessed before new structures are introduced.
A safe change needs more than valid syntax. Representative data, error handling, logs, deployment and a rollback path determine whether the new behaviour can be operated reliably.
- PHP application and backend development
- SQL queries, data models and migration work
- Runtime and dependency upgrades
- Diagnostics for intermittent failures
- Tests, logging and controlled deployment
Delivery
Changes are tied to observable behaviour.
The sequence can be adapted, but risk and acceptance criteria are made explicit before implementation.
Reproduce
Capture the current behaviour with representative data, logs and a clear expected result.
Locate the boundary
Identify affected code, database structures, jobs and external systems.
Implement and verify
Make the smallest coherent change and test normal, invalid and repeated inputs.
Release and observe
Deploy through the agreed path and review logs and business outcomes after release.
Modern PHP work
Technical quality is more than a framework version.
Application
- Clear domain boundaries
- Predictable validation
- Explicit error behaviour
- Maintainable dependencies
Data
- Consistent ownership
- Safe migrations
- Measured query performance
- Repeatable imports
Operations
- Reproducible deployment
- Useful logs and metrics
- Backups and rollback
- Documented recurring tasks
FAQ
Frequently asked questions
Which PHP versions and frameworks do you support?
The relevant question is the actual application and its upgrade path. Established projects may use framework-based or custom structures. Runtime, dependencies and maintenance state are assessed before scope is confirmed.
Can you work with custom PHP code?
Yes. Custom code is common in takeover and maintenance work. Its structure, testability, data access and operational dependencies are reviewed before larger changes.
Can you optimise slow database queries?
Yes, when the affected data path and production constraints can be measured. Query plans, indexes, data volume, application behaviour and caching are considered together.
Can a small defect be fixed without a full review?
Sometimes. The amount of assessment should match the risk. A change in payment, permissions, data migration or other critical paths may require a broader baseline than a contained display defect.
A PHP application needs a controlled next change?
Describe the current behaviour, business impact and environment. The first step is to define what must be understood before implementation.