Next Generation Mercari apps

https://www.meetup.com/ja-JP/MercariDev/events/278523021/

The Mercari US mobile team is in a transition period now. I'll introduce the React Native rewrite project that is happening now: Why? How? What's next?
→ Speaker: Tsuyoshi Yoshioka, Mobile Software Engineer at Mercari US@Tokyo. Since joining Mercari in 2016, Yoshioka has worked on the Mercari US app for 5 years.

Transcript

1. Next generation apps The future at Mercari US
2. About me Tsuyoshi Yoshioka (@tsuyogoro) Mobile App engineer (Android / React Native / Scrum master) Mercari, Inc since Mar, 2016
3. About Mercari US • Initial release was in 2014 • “Only delivery (No meet up) / pure C2C service” • Keep growing -> finally achieved $100 million monthly GMV in 2020. Tokyo PaloAlto Boston Portland
4. History of Mercari US Mobile App Launch in US (2014) Re-architect (2017) Re-branded (2018) Next… (2022)
5. Next? $100M /month X times within a few years We have to update the way to run!! $?M /month
6. Challenges to advance to the next stage 1. Next Quality : Keep UX consistency between platforms 2. Next Speed : Achieve faster delivery for quick iterations 3. Next Scale : Build a more scalable team
7. 1. Next Quality : Keep UX consistency between platforms We’re confident in our app UX But, some of features are implemented only on either platform Opportunity loss!!
8. 2. Next Speed : Achieve faster delivery for quick iterations Ideal PDCA cycle Our real (Very bad case) Huge cost to organize team Timing to release may not be same Cannot have time for 2nd iteration anymore
9. 3. Next Scale : Build a more scalable team Fast onboarding Self designed framework Features Features Major/Light framework Thin self framework Now Ideal
10. 3. Next Scale : Build a more scalable team Bring better scalability to product organization Waiting for iOS and Android assignment.... Project A Project C Project B Project E Project D Project A Project B ... Project C Project D Project E If we can solve this queue...
11. Challenges to achieve next stage 1. Next Quality : Keep UX consistency between platforms 2. Next Speed : Achieve faster delivery for quick iterations 3. Next Scale : Build a more scalable team
12. HOW…?? + Re-write apps completely in React Native
13. Approach (Technical) Features Major/Light framework Thin self framework - Utilities - Mercari Design system - Redux - Redux toolkit - React Navigation Engineers can - build features with general approach - achieve UI consistency without much effort
14. Approach (process) Program manager Mission Take team to the goal
15. Approach (process) Break down to sub goals!! (Milestone definition)
16. Approach (process) Before climbing, let’s discuss how much we wanna climb today!! (Sprint / Sprint planning)
17. Approach (process) Let’s change original path!! (Milestone management)
18. Approach (process) We’ll be here Early in 2022…!!!!
19. Wrap up and looking forward to 2022...
20. Next stage Mobile team is driving 2 trains!! • ReactNative rewrite ◦ Aiming to complete App rewrite in early 2022 • Native app ◦ Keep making growth on our product ◦ Keep app quality until rewrite gets success
21. Highly recommend you to apply if... Android engineer You are iOS engineer ReactNative engineer You are Motivated to get ReactNative skill You want to See the success of Mercari US && && && && || ||
22. Uniqueness of Mercari from engineering organization view • Switching to remote first company • Hiring talented engineers from whole of US • People in Japan can join SW development happening in Bay area • “Ultimate” remote software development (24 hours active, various type of cultures in our team...etc)
23. Thank you for listening!! Join us to get success in US market !!