An estimate that arrives instantly is a warning, dedicated team vs freelance developer not a service level. An experienced provider returns clarifying questions before any number: about users and volumes. A vendor that quotes before understanding the scope is simply guessing, and a guess becomes a change request later — on your budget.

Look out for a mismatch between the team in the pitch and those who eventually appear in the repository. Insist on specific people rather than roles in the contract, with wording covering replacement. A provider that talks only about a pool of resources and refuses to name people is keeping the right to assign anyone it likes.

Require commit-level visibility from the start. A partner that shows nothing between demos expects you to accept a black box. Visible commits tell you who is really on the project far better than a weekly report. This extends to the automated test suite: if it does not exist, quality claims remain just talk.

Loose wording in the contract around IP is not an accident. The agreement needs to state in plain terms that all outputs produced under it transfer to your azure development company as they are paid for. Look too at the jurisdiction and the payment schedule: a large upfront payment with no milestone tied to it takes away the only leverage you have.

Lastly, look at the working rhythm. Establish how many hours you will share each day, who answers your questions and within what time. Four hours of overlap is usually enough; zero overlap converts every clarification into a lost day. Sloppy written English in the proposal will not improve once the work starts.