2019 ReasonConf - ReasonML & Hiring at Draftbit

ReasonML is a hybrid of Javascript and Ocaml - traditionally 2 different pools of candidates. Have you ever wondered what the best of both worlds is like? Learn how ReasonML has improved the quality of our candidates letting us focus more time on the product and less on hiring.

Transcript

1. Reason & Hiring at Draftbit Peter Piekarczyk
2. Peter Piekarczyk • Polish • Loves to Cycle • ReasonML Lover • Expo / React Native Lover • Loves Plants (@petersplantss) • Y Combinator Alumn • Co-Founder of Draftbit
3. Draftbit is a platform to help you build mobile apps visually
4. 1. Scan QR Code 2. Drag Components 3. Export Code
8. • React / ReasonML • Flowtype • Web Assembly • Expo • GraphQL / Apollo • Postgres Draftbit Stack
9. TypeScript Reason Reason + Draftbit
10. • reason-react • reason-graphql • bs-emotion • get_in ppx • gentype ReasonML Stack
11. Greeting.re
12. Greeting.gen.js
13. Layers (Js) Frame (Yoga / Wasm / Reason) Config (JS / Reason) Live Preview / Code Gen (Reason) Navigator (Reason)
14. Draftbit v0.0.1 Javascript
15. Draftbit v1.542.0 Javascript Reason
16. Draftbit v1.1749.0 Reason Javascript
17. • Turnover • Low salaries • Too much work • Too many opinions • Not enough people Early days at a Startup
19. “Hey do you want to come work for me for 1/2 the pay? We only have 6 months of runway and no 401k”
20. Perry from Shrek $3.5 million dollar house TFW 1 Day Sprints 3/4 Are Gone
21. Sebastian Brandon Angela Peter
22. Draftbit
23. What does hiring look like?
24. Pursuit
25. • Friends • Twitter • Meetups • LinkedIn • Recruiters Finding Engineers
26. Meetups
27. Interview
28. Asking the Right Questions is Hard
29. Looking for Seniors Looking for Reason
30. Onboarding
31. We Used to Start with Javascript
33. “Hey Peter…”
34. “I think I broke something…”
35. 15 minutes & 10 console.log’s later…
36. Config.apiUrl vs. Config.apiURL
37. Prettier? Eslint? Editor Setup? VS Code? Webstorm? Sublime Text?!?
38. It *just works* with Reason
43. Our New First PR Review?
44. Reason Compiler
45. Wait, what? Junior:
46. Look at the Compiler Peter:
47. Guess what?
48. 1 month in, our juniors are productive with Reason
49. That being said…
50. A Compiler Won’t Turn a Junior into a Senior
51. Closing Thoughts
52. BAEs BEST. AUDIENCE. EVER. draftbit.com/reason draftbit • peterpme