apidays Australia 2022 - Debunking the Big Aussie F Word – Fintech BFF Building with BNPL, Sheng Zeng, Digizoo

apidays Australia 2022 - Enabling Business Networks
September 14 & 15, 2022

Debunking the Big Aussie F Word – Fintech BFF Building with BNPL
Sheng Zeng, Software Engineer, Digizoo
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Transcript

1. Debunking the Big Aussie F Word - FinTech Building with BNPL Sheng Zeng Zoo Chump at Digizoo
2. 2022 SERIES OF EVENTS New York JULY (HYBRID) Australia SEPTEMBER (HYBRID) Singapore APRIL (VIRTUAL) Helsinki & North MARCH (VIRTUAL) Paris DECEMBER (HYBRID) London OCTOBER (HYBRID) Hong Kong AUGUST (VIRTUAL) JUNE (VIRTUAL) India MAY (VIRTUAL) APRIL (VIRTUAL) Dubai & Middle East JUNE (VIRTUAL) Check out our API Conferences www.a pida ys .globa l Want to talk at one of our conferences? apidays.typeform.com/to/ILJeAaV8
3. Background • iOS Frontend • BaaS integration • Internal and external services • Leverage existing CI/CD platform • 10 month deadline
4. 1. Backend for Frontend 2. Daily Deployment Easy.
5. 1. BFF - Why Backend for Frontend? Ouch my backend.
6. • Fintechs have too much data The Backend Problem
7. The Data Solution - GraphQL
8. The Data Solution - GraphQL
9. The Data Solution - GraphQL Request Response
10. GraphQL vs REST GraphQL REST Nuanced usage Simple functional usage Flexible response Immutable Response Single endpoint Multiple endpoints Ease of versioning More nuanced versioning Pros and Cons
11. • Fintechs have too much data • Developing Frontend concurrently The Backend Problem
13. Everything in the Backend Smart Backend Dumb Frontend
14. Deeplinks Orchestration from Backend
15. Easy Peasy. 2. Deploy
16. Do It Daily
17. Do It Daily Product Engineers Fast iterative features Quality and confidence
18. Do It Daily Product Engineers Fast iterative features Quality and confidence Immediate feature feedback Fast bug turnaround and less bugs
19. Do It Daily Product Engineers Fast iterative features Quality and confidence Immediate feature feedback Fast bug turnaround and less bugs Product visibility Code accountability
20. Do It Daily Product Engineers Fast iterative features Quality and confidence Immediate feature feedback Fast bug turnaround and less bugs Product visibility Code accountability Less stress Less stress
21. Deploy Flow - Flow diagram
22. Daily Deployment Steps
23. Daily Deployment Steps
24. Daily Deployment Steps
25. Daily Deployment Steps
26. • Feature Flags Daily Deployment Guidelines
27. • Feature Flags • Small Pull Requests Daily Deployment Guidelines
28. • Feature Flags • Small Pull Requests • Can’t deploy your own code Daily Deployment Guidelines
29. • Feature Flags • Small Pull Requests • Can’t deploy your own code • Image rollbacks Daily Deployment Guidelines
30. • Feature Flags • Small Pull Requests • Can’t deploy your own code • Image rollbacks • Beware of DB changes Daily Deployment Guidelines
31. • Feature Flags • Small Pull Requests • Can’t deploy your own code • Image rollbacks • Beware of DB changes • Liberal prod READ access Daily Deployment Guidelines
32. NO DEPLOYS ON A FRIDAY AFTERNOON
33. • Lead Time to Change - < 25mins DORA Metric
34. • Lead Time to Change - < 25mins • Deployment Frequency - 8.4 per day DORA Metric
35. • Lead Time to Change - < 25mins • Deployment Frequency - 8.4 per day • Mean Time to Restore - < 5mins DORA Metric
36. • Lead Time to Change - < 25mins • Deployment Frequency - 8.4 per day • Mean Time to Restore - < 5mins • Change Failure Rate - 2.4% DORA Metric
37. Deploy Frequently as a Product
38. “If you want to go fast, go alone. If you want to go far, go together.” -African Proverb
39. Easy Peasy Lemon Squeezy. 1. Backend for Frontend 2. Daily Deployment