Dev-Centric Culture at Wix - The Developer's Perspective

Transcript

1. T H E D E V E L O P E R ’ S P E R S P E C T I V E Dev-Centric Culture at Wix Engineering Lidan Hifi Fullstack Developer, Wix
5. Wix in Numbers Over 94M Users >2PB of Data 3 DCs + 3 Clouds (Google, AWS, Azure) 2B HTTP 
 Req/day 1300 Employees
6. Wix R&D TLV LT B7 UKR ~410 Engineers in 4 Sites
8. You FOOL! It’s not about the tools, it’s about the CULTURE
10. You FOOL! it’s only about the CULTURE
11. Traditional Development 01 Product 02 Development 03 QA 04 Operations & Delivery
12. How the customer explained it How the project leader understood it How the analyst designed it How the developer wrote it What the beta testers received How the business consultant described it How the project was documented What operations installed How the customer was billed How it was supported What marketing advertised When it was delivered What the customer really needed What the digg effect can do to your site What was the disaster recovery plan
14. Long Development Cycle
15. Late Feedback Hard to fix
16. Few Releases a Year
17. I know… Let’s do SCRUM! “ ”
18. Toyota Lean Manufacturing Build only what is needed Eliminate anything which does not add value Taiichi Ohno
19. What is waste? Inventory Extra Processing Overproduction Waiting Defects
20. What is waste? Inventory Extra Processing Overproduction Waiting Defects Partially Done Work Paperwork Extra Features Waiting for information Defects
21. Back to June 2009…
22. Back to June 2009… Extra Features are kind of Waste
23. MVP In product development, the minimum viable product (MVP) is a product with just enough features to gather validated learning about the product and its continues development — wikipedia
24. Traditional Development 01 Product 02 Development 03 QA 04 Operations & Delivery
25. Traditional Development 01 Product 02 Development 03 QA 04 Operations & Delivery When it’s ready, Ship it, don’t wait Then measure and fix it until customers are happy
26. The Toyota Way Respect for people Full utilization of people capabilities Empower people with responsibility & authority Taiichi Ohno
27. Product Manager Dev Project Manager DBA DBA QA QA Ops QA QA Ops Ops Designer
28. Product Manager Dev Project Manager DBA DBA QA QA Ops QA QA Ops Ops Designer Developers can do these jobs!
29. Dev-Centric Culture F R O M D E V E L O P E R ’ S P E R S P E C T I V E
30. With great Power Comes great Responsibility
31. When it’s ready, Ship it, don’t wait
32. 18,665 Deployments in 2015
33. 8.5 min Deployment every
34. Continuous Delivery http://www.aviransplace.com Aviran Mordo, Head of Engineering, Wix
35. Wix Lifecycle Wix Lifecycle
36. TDD Test Driven Development
37. TDD in Dev-Centric culture
38. TDD in Dev-Centric culture • Every line of code is covered by automated test • Tests should run on a random computer. There’s no local environment
39. TDD in Dev-Centric culture • Every line of code is covered by automated test • Tests should run on a random computer. There’s no local environment
40. TDD in Dev-Centric culture • Every line of code is covered by automated test • Tests should run on a random computer. There’s no local environment • Tests have to be readable- they are the project’s specs
41. TDD in Dev-Centric culture • Every line of code is covered by automated test • Tests should run on a random computer. There’s no local environment • Tests have to be readable- they are the project’s specs • Before fixing a bug, reproduce it in a test first
42. TDD in Dev-Centric culture • Every line of code is covered by automated test • Tests should run on a random computer. There’s no local environment • Tests have to be readable- they are the project’s specs • Before fixing a bug, reproduce it in a test first • Debugger?
43. Confidence
44. No Fear of change
45. Less Bugs
46. Develop Faster
47. Feature Toggles
48. Feature Toggles ̣ Reducing risk associated with large changes ̣ Safe to Fail ̣ Phased rollout- by geo, language, browser, %, etc. ̣ No staging environment
49. Wix Petri Wix PETRI https://github.com/wix/petri
50. Write your own SQL DBA will review it
51. QA
52. QA No
53. Working with Product Managers
54. Working with Product Managers Sit Together No Long Documents Less Emails, Less Formality
55. UNDERSTAND The Business
56. Suggest Ideas
57. Improve the product
58. What about Ops?
60. Wix Fryingpan
61. New Relic Monitoring
62. New Relic Monitoring It’s your responsibility
63. anodot.com Anodot
64. Wix App Info
65. Deploy a fix, or rollback if needed Urgents
66. Deploy a fix, or rollback if needed Urgents
67. Events in 2015 542
68. Chance of a rollback after deployment 3.6%
69. Post Mortem Talk about failures and their causes Take actions Post it to everyone No blame!
70. Prepare to Invest • Trust your developers! Empower them to change production • Everyone need to care about everything • Eliminate waste. Build only what is needed, and validate it • Automate everything • Monitor- business KPIs, technical • Improve continuously
71. Devops is not about the tools, it’s all about the CULTURE
72. Questions? Engineering @lidanh