01 /
New service or feature
Business logic and integrations need to fit the existing architecture.
Go / backend
Go developer
for complex systems.
New services, migrations, and faster APIs built around your existing architecture, data, and contracts.
Go
API
PHP → Go
Temporal
Backend evolutionrazrabotchik.com / GO
Existing product01 / CONTEXT
Go service02 / DELIVERY
Stable contracts03 / API
Compatibility checksProduction outcome
Focus
Backend in production
Work
Go services and APIs
Verification
Compatibility and rollout
When to reach out
Go for new work inside an existing system.
For teams that need more than Go code: a practical engineering approach to an established product, its integrations, data, and constraints.
Work starts with understanding the challenge. Scope, delivery specialist, technical oversight, and acceptance criteria are agreed before implementation.
02 /
Move from PHP to Go
A staged migration with API contract and rollout checks.
03 /
API speed and reliability
Critical requests need measurement, diagnosis, and targeted changes.
Approach
The work starts with the system context.
01 /
Understand the challenge
Goal, users, constraints, and existing dependencies.
02 /
Define the boundary
Isolate the work and define its interfaces.
03 /
Build and verify
Code, tests, compatibility, and outcome measurement.
04 /
Roll out
Post-launch observation and clear ownership.
Example approach
A new Go service inside a live product.
First, define the service boundary and record existing API contracts. Then validate key workflows against the new implementation and roll it out with monitoring.
The exact plan depends on the product architecture and constraints.
System modernization
New service. Existing contracts preserved.
Boundary · compatibility · monitoring
Questions
Only web projects?
No. The focus is server-side logic, data, integrations, and complex systems. A website UI may be only one part of the product.
Can we start with one service?
Yes. A bounded service often lets a team validate the approach, compatibility, and outcome before wider work.
Who delivers the work?
After scoping, the delivery specialist, technical oversight, and ownership are agreed. The client knows who will work on the system before implementation starts.
Next step
Describe your challenge.
Describe the system, goal, and constraints. You will receive a proposed next step, delivery format, and plan for technical oversight.