Project guides
Understand the problem before development starts.
Practical guides on migrations, performance, and evolving live systems. Use them to frame the problem and choose a sensible next step.
FIELD NOTES / 01—02RAZRABOTCHIK.COM
01 / QUESTIONWhat is holding the product back?
02 / EVIDENCEWhat evidence supports it?
03 / ACTIONWhich change should be tested first?
Explore a challenge
Where to begin.
01 / GUIDE
Migrating from PHP to Go: when to switch
Choose between improving PHP, extracting a Go service, and broader migration. Decision criteria, steps, and rollout risks.
Read guide →
02 / GUIDE
Slow API: how to find the cause
Measure the issue, separate database work from external calls, and verify the effect of changes.
Read guide →
How these guides work
Each guide leads to a decision, not a list of technologies.
01 /
Recognize the situation
Start with the symptom and the product goal.
02 /
Gather evidence
Check constraints, data, and the real cost of change.
03 /
Choose a next step
Define a bounded task whose result can be verified.
Have a specific challenge?
Tell us what is happening in your system.
A short description of the goal, constraints, and previous attempts is enough.