Dedicated development team
Developers who join your team and your process - the same people month to month, in your repository.

This is the arrangement for a company that has its own product and its own direction and needs more hands than it can hire this quarter. It is not a project - there is no fixed scope, and the work is decided by your roadmap rather than by a statement of work.
The distinction that matters is continuity. Someone who has been in your codebase for a year is worth several who have not, and rotating that person out is where most arrangements like this quietly lose their value.
The cases where an embedded team beats a fixed-scope project:
Cases where a project serves you better, and we will say so:
We will not put a name on a proposal and start someone else. We will not quietly replace a developer who has learned your system. And we will not bill for a person who is on another client's work that week - if capacity drops, you hear it from us first.
Yes, and you should. Anyone who would be working in your codebase every day is someone you should have spoken to first.
Three months is the shortest that makes sense for either side - the first few weeks are spent learning your system, and ending it there means paying for the learning and none of the benefit.
We are in Sofia, which is a full working overlap with Europe and a morning overlap with the eastern United States. Standups happen at your time, not at a compromise time.
It happens, and we would rather agree the terms for it in the contract than have it become an awkward conversation later.
The stack, the size of the current team, and what is not getting done. That is usually enough for us to say whether an embedded developer is the right answer or whether a project would serve you better.
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