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Look first at domain experience, not the size of the portfolio. Ask to see three or four engagements that resemble your technology stack, and edtech software development then ask specifically which engineers actually built it. A solid partner is happy to connect you with the people who would work on your project. Vague answers at this stage usually mean you are talking to a reseller.

The agreement warrants more attention than the sales deck. A few clauses carry most of the weight: assignment of intellectual property, the NDA, and notice periods and handover. Everything produced must transfer to you on payment, next.js vs laravel including designs, scripts and infrastructure configuration. Watch for wording that keeps php framework compare code with the vendor, since that is often the part you cannot replace later.

Ask how they estimate. A credible estimate arrives enterprise application development with java a list of assumptions, a breakdown by feature or module and a best case and a worst case. A fixed-price contract works only when the specification is complete; when the scope is still moving the supplier prices the risk in and you pay for uncertainty either way. Time and materials shifts that risk to you, so it requires a cap, regular demos and transparent reporting.

The delivery process matters more than team size. Find out what happens when the scope changes, who writes the acceptance criteria and how testing is organised. A mature team can walk you through a live build at the end of each sprint. Acceptance criteria in writing stay your only real protection against the it-was-never-in-scope conversation.

Before signing, consider the handover at the start rather than at the end. Ask that the code repository sits under your account from day one, and that the documentation is refreshed in every sprint. A vendor with nothing to hide says yes immediately; hesitation here says most of what you need to know.