8 People, 4 Services, 50 Countries

We Are Developers, Vienna, 2017

Random ramblings about what helped OLX to build better software & better teams.

Transcript

1. 8 people; 4 services; 50 countries;
2. Buckle up ;)
3. This is a true story.
4. Pivot.
5. Serve all images & Handle auth & Locations & maps & Notifications
7. It’s a trap!
8. Wojciech [ˈvɔi̯t͡ɕɛx] @wmgaca
9. Who?
11. 50 markets
12. 25 offices
13. 3000 people
14. 50 billion PV
15. So…
16. Oh shit.
17. Make all the mistakes!?
18. ” For the majority of bankrupt projects we studied, there was not a single technological issue to explain the failure. — Peopleware
19. <drum-roll />
20. … major problems of our work are not so much technological as sociological in nature. — Peopleware ”
22. Culture eats strategy for breakfast. — Peter Drucker (Ford) ”
24. No.
26. The Job…
27. ” Let’s move everything to Scala. — Ilya
28. ” 90% of tech is tribalism and fashion — Andrew Clay Shafer
29. ” Innovation is not only about new bells & whistles. It’s also improving what you already have. — Stephen
30. What would you say… You do here?
31. Enable the business.
32. Innovate your product.
33. Sanity…
34. Remove obstacles.
35. ” Don’t make me think… — every engineer ever
36. Context switch is expensive.
37. Context switch is frustrating.
38. Context switch is redundant.
39. Automate your pain away.
40. • A platform (Kubernetes) • Slack bots • Slack deployments • JIRA automation • Trunk development & CD • Robots doing the housekeeping
41. • Docker • cloud • synergy
42. Hot or not: platform? 1 (11.1%) 4 (44.4%) 1 2 3 4 5 4 (44.4%) I don’t even HOT!
43. 3 (33.3%) 6 (66.7%) 1 2 3 4 5 Hot or not: Slack bots? They don’t get me. BEST. THING. EVER.
44. 3 (33.3%) 1 2 3 4 5 Hot or not: Java? 3 (33.3%) 3 (33.3%) BURN IN HELL <3 <3 <3
45. ” Use computers to do things. Use humans to drink with. — Zach Holman
46. Planning.
47. Engineers.
48. Java vs Go React vs Angular MySQL vs Neo4J Kubernetes vs Mesos Amazon vs Google JIRA vs Trello Scrum vs Kanban
49. Engineers.
50. You’re gonna have a bad time.
51. <rant />
52. DevOps, duh.
53. What is DevOps?
55. CI & automation. Infra & Ops synonym. A sandwich. A set of practices, way of working.
56. Devs; QA; Security; Ops; Product.
57. Can I haz access, plz?
58. We’re not Netflix ;/
59. Post mortems Working together Talking to people
60. 3 (33.3%) 1 2 3 4 5 Do we even DevOps? Trump wall of confusion Yes, very much! 5 (55.6%) 1 (11.1%)
61. Focus…
62. A B
63. A B
64. A B
65. Eye on the ball.
66. Important vs urgent.
67. OKRs.
68. Objectives & Key Results.
69. P1: Death Star QA. P1: Stormtrooper training. P2: Obj: Destroy Rebellion.
70. P1: Death Star QA. P1: Stormtrooper training. P2: Obj: Destroy Rebellion. KR: Death Star operational KR: Luke Skywalker ist tot
71. P1: Death Star QA. P1: Stormtrooper training. P2: Obj: Destroy Rebellion. Health: Daily Killed Rebels & Daily Lost Ships. KR: Death Star operational KR: Luke Skywalker ist tot
72. P1: Death Star QA. P1: Stormtrooper training. P2: Obj: Destroy Rebellion. Health: Daily Killed Rebels Daily Lost Ships. KR: Death Star operational KR: Luke Skywalker ist tot P1: Death Star flux capacitor fix. P2: Death Star QA.
73. P1: Death Star flux capacitor fix. P2: Death Star QA. Priorities.
74. Celebrations. P1: Death Star flux capacitor fix. P2: Death Star QA.
75. OKRs: hot or not? 3 (37.5%) 5 (62.5%) 1 2 3 4 5
76. Ownership…
78. $
79. %
80. We’ve been places.
81. We’ve seen things.
82. 10 tech hubs
85. Do you trust Jeff Bezos?
86. API or GTFO
87. ❤
88. .com join @wmgaca
89. Thank you! .com join @wmgaca