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MOBILE DEVELOPMENT WITHOUT MANAGERS Survival guide

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ALEXEY DEMEDETSKYI • 8 years of engineering • iOS Developer at Sigma Software • @daloog

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PAIN POINTS

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GOOD MANAGER • Well defined process • Predictable delivery • High local efficiency

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REAL MANAGER • Overloaded • Multiple Projects • 100% load

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100% LOAD IS OK.

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https://ru.wikipedia.org/wiki/Метод_критической_цепи

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CHANGES 100%

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CHANGES 100% Risk hit

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CHANGES 100% Risk hit

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CHANGES 100% Risk hit No control

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CHANGE PROBABILITY

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LOW HIGH • High current load • Complex process • Micro management • Low load • Agile process • Value orientation

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LOW HIGH STARTUP ENTERPRISE

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LOW HIGH

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R/K SELECTION THEORY https://en.wikipedia.org/wiki/R/K_selection_theory

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K R • Stable environment • Unlikely to die • Highly concurrent • Rapid changes • Likely to die • Weak competition

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K R

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K R STARTUP ENTERPRISE

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CONWAY'S LAW https://en.wikipedia.org/wiki/Conway%27s_law

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–M. Conway “organizations which design systems ... are constrained to produce designs which are copies of the communication structures of these organizations.”

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S(O) → S(P)

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S(O) ← S(P)

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R/K TEAMS

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K R • Decision makers • Strict responsibilities • Hierarchy • Experiments • Cross functional • Flat structure

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R TEAM: HOW TO

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INSTRUMENTS • Comfort zone • Herd instinct • Dopamine • Low error cost

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COMFORT ZONE

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ENVIRONMENT • Personal vertical responsibility • Personal impact • Results visibility

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HERD INSTINCT • Imprinting • Social pressure

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IMPRINTING

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IMPRINTING • Start small teams • Add people slowly

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SOCIAL PRESSURE • Daily sync • Visual progress • Pair programming

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DOPAMINE • Open source by default • Metrics • Experiments

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LOW ERROR COST • TDD. Not manual QA • Feature toggle. Not quick fix • Fail is a lesson. Not a guilt

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http://www.reinventingorganizations.com

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R TEAM: ACTION PLAN • Control environment. Not people • Trust people. Not process • Fail often and cheap. Not rare

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QUESTIONS • email: [email protected] • twitter: @daloog