How to become Senior iOS Engineer

- Why it’s needed
- Definition of Senior iOS Engineer
- How to achieve
- Toolset from 2016

Transcript

1. HOW TO BECOME SENIOR IOS ENGINEER Petro Korienev iOS Team Lead @ Sigma Software
2. #se2016 Petro Korienev How to become Senior iOS Engineer CONTENTS • Why it’s needed • Definition of Senior iOS Engineer • How to achieve • Toolset from 2016
3. #se2016 Petro Korienev How to become Senior iOS Engineer “WHY?”
4. #se2016 Petro Korienev How to become Senior iOS Engineer DEFINITION MESS
5. #se2016 Petro Korienev How to become Senior iOS Engineer DEFINITION MESS • Nobody understands requirements • Nobody can handle responsibilities • Nobody can manage efficient resources utilisation
6. #se2016 Petro Korienev How to become Senior iOS Engineer FAKE SELF-CONFIDENCE • Result of isolation • Result of business model
 “money right here, right now” • Low quality - overall industry
 devaluation • Multiplicative effect
7. #se2016 Petro Korienev How to become Senior iOS Engineer EVERYBODY UNHAPPY Developers are assholes Managers are assholes “Legacy code and boring tasks”
8. #se2016 Petro Korienev How to become Senior iOS Engineer “WHO IS SENIOR IOS ENGINEER?”
9. #se2016 Petro Korienev How to become Senior iOS Engineer Senior iOS Engineer
10. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR iOS Engineer
11. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR
12. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR • Defined by size and complexity tasks he can do • Defined by quality of provided solution and amount of
 “hidden costs” or “technical debt” • Defined by critical thinking • Is able to produce reliable estimations • Is able to make complete decompositions • Is able to make solid integrations • Brings value to the product • Brings technical excellence • Brings communication experience
13. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR - SIZE AND COMPLEXITY Complexity (% of highest known) 0% 25% 50% 75% 100% Size (% of total scope) 0.5% 1% 2% 4% 8% 16% 32% 64% Junior Middle Senior
14. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR - QUALITY • Good understanding of task => Technical debt close to zero • Good understanding of complexity => Almost zero TODOs • Well-defined requirements => Almost no bugs • Experience to distinguish between important / auxiliary => 
 Saves time to everybody in team - qa, ba, pm, designer etc.
15. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR - CRITICAL THINKING • As little as possible is based on trust • As little as possible “to be clarified” • Pessimistic estimations • Considering all possible risks • Always sees problems
16. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR - COMMUNICATION • Senior is outstanding communicator • Daily, grooming, retro, interview etc. • Smart escalation
17. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR - DECOMPOSITION & INTEGRATION • Is able to decompose scope / solutions
 endlessly upon infinite time constraints • Is able to integrate modules of any
 complexity upon infinite time constraints • Has good balance between decomposition &
 integrations in both scope / solutions
18. #se2016 Petro Korienev How to become Senior iOS Engineer SENIOR iOS Engineer
19. #se2016 Petro Korienev How to become Senior iOS Engineer Senior IOS Engineer
20. #se2016 Petro Korienev How to become Senior iOS Engineer IOS • Mostly closed-source (until very recent point of time) system • Completely Apple-dependent operations / development • Random backward-forward compatibility • Not much target devices, however excellent support required • Many restrictions • Great open-source and community
21. #se2016 Petro Korienev How to become Senior iOS Engineer IOS - OPEN-SOURCE AND COMMUNITY • opensource.apple.com • cocoapods.org • cocoacontrols.com • Thousands of blogs and tutorials - objc.io, nshipster.com, mikeash.com, cocoanetics.org, raywenderlich.com etc.
22. #se2016 Petro Korienev How to become Senior iOS Engineer IOS - DEVICES & VERSIONS • iPhone 4/s,5/c/s,6/s Plus • iPad Mini 1 - 4, 3-4, Air 1-2 • iPad Pro • iOS 7(!), 8, 9, 10(?)
23. #se2016 Petro Korienev How to become Senior iOS Engineer IOS - RESTRICTIONS • FileSystem • IPC • Hardware capabilities • Background operating • etc..
24. #se2016 Petro Korienev How to become Senior iOS Engineer IOS - BE UP-TO-DATE • https://developer.apple.com/videos/wwdc2016/ • https://github.com/vsouza/awesome-ios
25. #se2016 Petro Korienev How to become Senior iOS Engineer Senior IOS Engineer
26. #se2016 Petro Korienev How to become Senior iOS Engineer Senior iOS ENGINEER
27. #se2016 Petro Korienev How to become Senior iOS Engineer ENGINEER • It’s usually painful to be an 
 engineer
28. #se2016 Petro Korienev How to become Senior iOS Engineer ENGINEER vs DEVELOPER • Solve problems vs Make tasks • Understand business vs Fight business • Deliver value vs Write code • Self-managed & self-sufficient vs Chaos-driven
29. #se2016 Petro Korienev How to become Senior iOS Engineer HOW TO ACHIEVE
30. #se2016 Petro Korienev How to become Senior iOS Engineer READ, WRITE, LISTEN, TALK • Read books and code • Write code, docs, blogs etc. • Listen talks at conferences. Communicate • Talk. This systematises your knowledge
31. #se2016 Petro Korienev How to become Senior iOS Engineer READ BOOKS
32. #se2016 Petro Korienev How to become Senior iOS Engineer READ CODE • Open-source libraries • Teammates pull-requests • Tutorials
33. #se2016 Petro Korienev How to become Senior iOS Engineer WRITE • Experiment a lot • Short feedback loop • Write tests • Write tools
34. #se2016 Petro Korienev How to become Senior iOS Engineer LISTEN • Ideas • Inspiration • Experience and cases
35. #se2016 Petro Korienev How to become Senior iOS Engineer TALK • Ideal way to systematise your knowledge • Get a feedback on your content • Practice expressing your thoughts • Knowledge sharing is bidirectional
36. #se2016 Petro Korienev How to become Senior iOS Engineer TOOLSET 2016
37. #se2016 Petro Korienev How to become Senior iOS Engineer TOOLSET 2016 • fastlane • cocoapods, carthage
38. #se2016 Petro Korienev How to become Senior iOS Engineer TOOLSET 2016 • zeplin, invision, slack
39. #se2016 Petro Korienev How to become Senior iOS Engineer TOOLSET 2016 • Playground
40. #se2016 Petro Korienev How to become Senior iOS Engineer STAY HUNGRY. STAY FOOLISH
41. #se2016 Petro Korienev How to become Senior iOS Engineer ME: https://twitter.com/soxjke https://github.com/soxjke https://www.facebook.com/soxjke https://stackoverflow.com/users/2392973 Join our team! team@sigma.software
42. #se2016 Petro Korienev How to become Senior iOS Engineer THANKS! Q & A TIME