Building an Awesome Engineering Culture

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Building an Engineering Culture Uri Na'v Head of Engineering, Klarna Israel awesome

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Uri Na1v Head of Engineering Klarna Israel @una1v

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a Story…

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2005 Startup IT Enterprise Applica1on Java / J2EE Oracle

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Feature Request New Report on a repor'ng mechanism we already hate at that 'me

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10 million rows date as primary key Group By month

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10 million rows + Group By Data Helper Table

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2010

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a Bug reported by a customer

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Y2K + 10 bug

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Ouch!

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StarCraT – High Quality Game •  Patrick WyaC (former VP R&D @ Blizzard) – “The game was as buggy as a termite nest” – “every programmer was coding like mad to meet goals, with no 1me for reviews, code-‐ audits, or training” – “the programming team con'nually worked towards shipping in only two months for the next fourteen months!”

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Successful companies have talented engineers that code like crap

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Successful companies have passionate talented engineers that code like crap

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Awesome Engineering Culture Outweigh Bad Technical Decisions

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Buy now, Pay later 700 employees Ruby-‐on-‐Rails/Erlang 6 European Countries 25% of Sweden online commerce € 150,000,000 in revenue Tel Aviv & Stockholm

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Building Klarna Israeli Engineering Center in Tel Aviv

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The 3 Ingredients of great Engineering Culture The secret sauce

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1 Short Feedback Loop Con1nuous Delivery Fast Test Suites Fail Fast Short Sprints

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2 Quality State-‐of-‐Mind TDD BDD Zero-‐defect policy SoTware CraTsmanship Pair Programming Automa1c tests Code Review

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2½

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2½ Con1nuous Improvement 20% precent Meetups Learn from Mistakes Hackathons Adopt new technologies Teach Retrospec1ves

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3 Peopleware Humble Respect Trust Passionate Engineers Learn from Mistakes Hiring Team players Pair Programming Shared Code Code Review

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Ingredients of great Engineering Culture 1.  Short feedback loop 2.  Quality state-‐of-‐mind 3.  Con'nuous Improvement 4.  Peopleware Image source: hCp://www.ﬂickr.com/photos/9439733@N02/2043786951/