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Software  
   Craftsmanship    
          vs    
Software  Engineering  
       (lightning  talk)	
          Andy Maleh
       Software Engineer
           Groupon
Outline	
•  Definitions of Software Engineering & Craftsmanship
•  Similarity and Difference
•  Applications at Groupon
Definition	
•  One of the original definitions of Software
   Engineering (NATO SOFTWARE ENGINEERING
   CONFERENCE 1968):
   Software engineering is the establishment of sound
   engineering principles in order to obtain
   economical software that is reliable and works
   efficiently on real machines.
Definition	
•  On Software Craftsmanship by Pete McBreen:
   Software development is a craft, it blends science,
   engineering, mathematics, linguistics and art.
Definition	
•  The book The Pragmatic Programmer paints
   software craftsmanship as similar to traditional
   medieval European craftsmanship
Similarity	
•  Shared engineering and craftsmanship goals:
  o  Meeting customer needs
  o  Delivering high quality software
  o  Ensuring timely release
  o  Minimizing risk of failure
Issues  with  Engineering	
•  Engineers often seem to believe that they can build
   software with complete control and predictability.
Issues  with  Engineering	
•  Engineers often think that one has to learn many
   best practices before successfully building software.
Issues  with  Engineering	
•  Some engineers seem to think that best practices
   apply in every situation.
Mitigation  in  
           Craftsmanship	
•  Craftsmen see software development more as an
   art that emerges and less as a science that can be
   controlled.
•  Craftsmen often discover their own best practices.
Mitigation  in  
            Craftsmanship	
•  Craftsmen transcend best practices when they do
   not make sense in a new situation.
•  Craftsmen rely more on gut feeling and intuition to
   succeed.
Software  Engineering  
         Revisited	
•  Even Tom DeMarco, one of the early key figures in
   the software engineering world, famous for the
   quote "You cannot control what you cannot
   measure", recently renounced the controlled
   development approach in an article posted by the
   IEEE, titled "Software Engineering: An Idea Whose
   Time Has Come and Gone?"
Key  Difference	
•  While engineering is about the macro goal of
   delivering economical software that is reliable and
   efficient, craftsmanship is about mastering the
   micro process that helps with achieving that macro
   goal.
Software  Engineering  is  
  alive  and  WELL  AT  
      GROUPON
Software  Engineering  at  
            Groupon	
•    System Health Measurability
•    Usability Design and A/B Testing
•    Release Engineering
•    Performance Engineering
Software  Engineering  at  
         Groupon	
•  Software Architecture
•  Verification and Acceptance Testing
•  Iterative Development and Velocity Tracking


            Website	
                                            Deal  Service	

                                    Order  
                                    Service	
            Mobile	
                          User  Service
Software  craftsmanship  is  
popular  with  GROUPON  
       engineers
Software  Craftsmanship    
           at  Groupon	
•    Apprenticeship program
•    Inter-branch employee swap
•    Pair-Programming
•    Internal Training Courses
Software  Craftsmanship    
        at  Groupon	
•  High Encouragement to Present at Conferences
•  Hosting Conferences and Meetups
•  Having a few Master craftsmen around
Review	
•  Definitions of Software Engineering & Craftsmanship
•  Similarity and Difference
•  Applications at Groupon
Contact	
•    Andy Maleh / Software Engineer / Groupon
•    Email: amaleh {at} groupon {dot} com
•    Twitter: @AndyMaleh
•    Blog: http://andymaleh.blogspot.com

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Software Craftsmanship vs Software Engineering (Lightning Talk)

  • 1. Software   Craftsmanship     vs     Software  Engineering   (lightning  talk) Andy Maleh Software Engineer Groupon
  • 2. Outline •  Definitions of Software Engineering & Craftsmanship •  Similarity and Difference •  Applications at Groupon
  • 3. Definition •  One of the original definitions of Software Engineering (NATO SOFTWARE ENGINEERING CONFERENCE 1968): Software engineering is the establishment of sound engineering principles in order to obtain economical software that is reliable and works efficiently on real machines.
  • 4. Definition •  On Software Craftsmanship by Pete McBreen: Software development is a craft, it blends science, engineering, mathematics, linguistics and art.
  • 5. Definition •  The book The Pragmatic Programmer paints software craftsmanship as similar to traditional medieval European craftsmanship
  • 6. Similarity •  Shared engineering and craftsmanship goals: o  Meeting customer needs o  Delivering high quality software o  Ensuring timely release o  Minimizing risk of failure
  • 7. Issues  with  Engineering •  Engineers often seem to believe that they can build software with complete control and predictability.
  • 8. Issues  with  Engineering •  Engineers often think that one has to learn many best practices before successfully building software.
  • 9. Issues  with  Engineering •  Some engineers seem to think that best practices apply in every situation.
  • 10. Mitigation  in   Craftsmanship •  Craftsmen see software development more as an art that emerges and less as a science that can be controlled. •  Craftsmen often discover their own best practices.
  • 11. Mitigation  in   Craftsmanship •  Craftsmen transcend best practices when they do not make sense in a new situation. •  Craftsmen rely more on gut feeling and intuition to succeed.
  • 12. Software  Engineering   Revisited •  Even Tom DeMarco, one of the early key figures in the software engineering world, famous for the quote "You cannot control what you cannot measure", recently renounced the controlled development approach in an article posted by the IEEE, titled "Software Engineering: An Idea Whose Time Has Come and Gone?"
  • 13. Key  Difference •  While engineering is about the macro goal of delivering economical software that is reliable and efficient, craftsmanship is about mastering the micro process that helps with achieving that macro goal.
  • 14. Software  Engineering  is   alive  and  WELL  AT   GROUPON
  • 15. Software  Engineering  at   Groupon •  System Health Measurability •  Usability Design and A/B Testing •  Release Engineering •  Performance Engineering
  • 16. Software  Engineering  at   Groupon •  Software Architecture •  Verification and Acceptance Testing •  Iterative Development and Velocity Tracking Website Deal  Service Order   Service Mobile User  Service
  • 17. Software  craftsmanship  is   popular  with  GROUPON   engineers
  • 18. Software  Craftsmanship     at  Groupon •  Apprenticeship program •  Inter-branch employee swap •  Pair-Programming •  Internal Training Courses
  • 19. Software  Craftsmanship     at  Groupon •  High Encouragement to Present at Conferences •  Hosting Conferences and Meetups •  Having a few Master craftsmen around
  • 20. Review •  Definitions of Software Engineering & Craftsmanship •  Similarity and Difference •  Applications at Groupon
  • 21. Contact •  Andy Maleh / Software Engineer / Groupon •  Email: amaleh {at} groupon {dot} com •  Twitter: @AndyMaleh •  Blog: http://andymaleh.blogspot.com