Wantedly on AWS !2014-07-14 Startup CTO Night with Amazon CTO Yoshi Kawasaki (@kawasy)

VISION CULTURE

Overview

• Launched on January 2012 • 9 developers • 3,500 companies • Startups, tech industry

• 300,000 visitors • Japan, US, UK, Singapore, Thailand, Indonesia...

Elasticsearch cluster

(EC2)

RDS PostgreSQL

ELB

Heroku dynos

US East Region

Tokyo Region

S3 for

Original ImagesCloudFront

Users

JSON API

Image

Distribution

SendGrid, NewRelic, Treasure Data, Parse.com, hosted Chef server

Image Processing

Servers (EC2)ELB

Challenges (~2013)• Maximize developer productivity • Only 3 software engineers in 2013 • No engineer dedicated to infrastructure • Leverage PaaS, SaaS, and IaaS where possible • Focus on products • Allow everyone to deploy to production anytime

• Latency concern • Heroku dynos run in us-east • Distribute static contents via CloudFront

New Challenges (2014)• Need more control over servers • Flexibility on CPU/RAM choices • Elasticsearch clusters • Real-time image processing and distribution

• More latency concerns • Increasing user footprints from mobile devices • 50% of traffics from mobile devices

• More security requirements as business grows

Next...

CONFIDENTIAL

Thanks! Follow me and send questions @kawasy