Documentation as input. API as output. Code review to control quality. Not much, not less — just that.
Most backend developers I know are not doing backend work. They are absorbing system analysis, project coordination, operational firefighting — and somewhere in between, writing code. That spread is where quality breaks down. Tech debt accumulates quietly, burnout follows, and by the time management notices, the damage is already done.
I built Clean System Consulting because I believe backend development works best when it stays focused. I have spent three years working exclusively on backend systems at a national telecommunications company — and that focus is exactly what CSC brings to every engagement. We work from your documentation. We deliver working, tested APIs. We run SonarLint, write unit tests, and make sure your codebase passes vulnerability assessments — because clean code is not a bonus, it is the baseline.
CSC is not a staffing agency. It was founded by a developer, and it runs like one. We take on backend contracts — hourly, scoped, and accountable — so your team gets a backend that works the way a backend should. I am proud of every system I have shipped, and I would be proud to be your next backend contractor.
We believe great systems come from clear thinking, not burnout.
Practical articles on backend systems, architecture decisions, and lessons from building real-world software.
Conditional dispatch — switching on a type or status to select behavior — is the most common source of rigid code in Java applications. The strategy pattern replaces the switch with polymorphism, but the right implementation depends on what varies and how often it changes.
Read moreBelgrade produces backend engineers that European and American companies actively recruit. The salaries those companies offer have reshaped what local hiring costs.
Read moreFixed price contracts transfer risk to the contractor and invite scope games; time and materials contracts transfer risk to the client and require active oversight — understanding which risk you are better positioned to manage determines which model to use.
Read moreNULL represents the absence of a value, not zero, not an empty string, and not false — its three-valued logic and propagation rules produce query results that are consistently surprising to developers who treat it as a regular value.
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