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NFJS2025

The Seven Wastes of Software Development

One of the first principles of lean software development is the elimination of waste. Shigeo Shingo identified seven types of manufacturing waste in his “A Study of the Toyota Production System.” Later, the Poppendieck's translated these to seven wastes of software development.

The seven wastes:

  • Partially Done Work
  • Relearning
  • Extra Features
  • Handoffs
  • Delays
  • Task Switching
  • Defects

In this session, we'll examine each of these wastes and look at some of their common manifestations, both in our coding practices and in our development methodologies. We'll also examine strategies for eliminating each of these wastes from our development efforts.


Matt Stine

About Matt Stine

My passion is taking a metaphysical approach to software engineering: what is the nature of the collaborative game that we continuously play, and are there better, more contextually-aware ways to play that game?

By day I lead a team tasked with taking a first-principles-centric approach to intentionally enabling programming language usage at the largest bank in the United States.

By night I write and teach my way through a masterclass in software engineering and architecture targeting early-career software engineers working in large-scale enterprise technology organizations.

What is the primary goal?

To win the game. More seriously: to get 1% better every day at providing business value through software.

Who am I?

I'm a 22-year veteran of the enterprise software industry. I've played almost every role I can imagine:

  • Software Engineer
  • Software Architect
  • Technical Lead
  • Engineering Manager
  • Consultant
  • Product Manager
  • Field CTO
  • Developer Advocate
  • Conference Speaker
  • Author
  • Technical Trainer
  • Technical Marketer
  • Site Reliability Engineer
  • Desktop Support Specialist

I've worked at Fortune 500 companies, a tenacious teal cloud startup, and a not-for-profit children's hospital. I've written a book, and I've hosted a podcast. I've learned a lot along the way, including many things I wish I'd known when I first got started. And so now I want to pass those learnings on to you, especially if you've only just begun your career.

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