The single largest mvp development cost driver is rarely the technology stack — it remains uncertainty. Every ambiguity in the brief is converted into padding in the estimate. A vendor that does not know what happens on the unhappy path will assume the worst. Spending a week on requirements work can cut the overall figure far more than negotiating the rate.
Integrations are the second big multiplier. A feature that touches only your own data is predictable; the same functionality talking to a legacy ERP is a different problem. The cost lives in the counterparty: undocumented APIs, custom software development qatar long certification processes, data that does not match your model. Ask each bidder to price integrations separately, as this is where estimates break.
The requirements nobody writes down silently change the number. An internal tool used by a handful of staff has almost nothing in common with the same feature set handling public traffic. Security reviews, high availability, load handling, traceability and multi-language support all add weeks of work. State them early or you can expect the estimate to move later.
Who actually does the work matters. A rate card says little on its own: an experienced engineer at twice the price frequently turns out to be cheaper per delivered feature than a pair of junior developers who need heavy code review. Also ask which roles are billed: coordination, quality assurance, DevOps and design have to be done by someone, but they should be named rather than hidden inside a blended rate.
The build price is not the total cost. Budget for infrastructure, third-party licences, logging and alerting and an ongoing support budget for every year the software development company in russia runs. A common working assumption says that a live system requires a noticeable fraction of the initial investment annually in fixes, updates and small changes. Treating the launch as the finish line is the classic mistake.