Lean Software Development
Lean Software Development applies the waste-elimination principles of Lean manufacturing to software teams, focusing on maximizing customer value while minimizing unnecessary work, delays, and overproduction.
Definition
Lean Software Development applies the waste-elimination principles of Lean manufacturing to software teams, focusing on maximizing customer value while minimizing unnecessary work, delays, and overproduction.
Overview
Lean Software Development adapts the Toyota Production System's manufacturing philosophy to knowledge work. Mary and Tom Poppendieck popularized the translation in the early 2000s, mapping seven manufacturing waste categories onto software: partially done work, extra features nobody needs, relearning lost knowledge, task switching, waiting, handoffs between teams, and defects. The practice centers on a set of principles: eliminate waste, amplify learning through fast feedback loops, decide as late as responsibly possible to preserve flexibility, deliver as fast as possible, empower the team to make decisions close to the work, build integrity in through consistent quality practices, and see the whole rather than optimizing individual steps at the expense of the overall system. Lean shares significant overlap with Kanban, which itself borrows the pull-based, flow-focused thinking of Lean manufacturing, and both sit alongside Scrum and Extreme Programming within the broader agile family. Where Scrum and XP prescribe specific practices, Lean is more of a value system that teams apply to whichever practices and frameworks they already use, making it as much a diagnostic lens for spotting waste as a standalone process.
Key Concepts
- Seven wastes adapted from manufacturing: partial work, extra features, relearning, task switching, waiting, handoffs, defects
- Principle of eliminating waste to maximize delivered customer value
- Amplified learning through short, fast feedback loops
- Deferred commitment — deciding as late as responsibly possible
- Fast, incremental delivery to reduce cycle time
- Team empowerment, pushing decisions to those closest to the work
- Systems-level thinking that avoids local optimization at the expense of the whole
Use Cases
Frequently Asked Questions
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