What is software development outsourcing?
Software development outsourcing is contracting an external company to build software for you, with the vendor responsible for managing the work and delivering an agreed outcome. It is distinguished from staff augmentation, where external engineers work under your management on your roadmap.
Outsourcing covers a spectrum. At one end, a fixed-price project with a signed specification and a delivery date. At the other, a managed team billed monthly where the vendor supplies a lead and takes responsibility for throughput. What they share is that management sits on the vendor side.
The model works well when the scope can genuinely be described in advance — a migration, an integration, a defined application — and works badly when requirements are discovered while building, which is most product work. Every change becomes a commercial negotiation instead of a conversation.
The cost that buyers underestimate is knowledge transfer at the end. Unless handover is planned and paid for, the understanding of how your system works leaves with the vendor, and the next team starts from the code alone.
Key points
- The vendor manages the work and owns the delivery commitment.
- Priced per deliverable or as a managed monthly team.
- Works when scope is fixed; strains when requirements move.
- Plan and budget for knowledge handover, or it will not happen.
Frequently asked questions
Which is better, outsourcing or staff augmentation?
Outsourcing if you have no engineering manager and a fixed scope. Staff augmentation if you have a roadmap that keeps moving and someone to direct people. The wrong choice is usually made by companies that have no manager and buy augmentation anyway.
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Other definitions
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