• Machine Learning, CoreML, and Bayesian Classifiers
  • Serverless Architecture with AWS Lambda
  • Truly original app ideas (>2 million in the App Store)
  • Docker, Compose, Orchestration (Swarm, Kubernetes, Mesos) and Everything Containers
  • Natural Language Processing
  • Microservice all the things!
  • Persistent socket connections
  • Distributed Databases and Leader Election Algorithms
  • Cryptography and Hashing Algorithms
  • Information Retrieval
  • Golang, Swift, Kotlin, Ruby, Crystal, Scala, C#, C++, Java, JavaScript, and Rust
  • Support for async/await in NodeJS
  • Graph database (love me some neo4j)
  • In-memory database (primarily redis and etcd)
  • Apple File System (APFS) and improvements over HFS
  • Web Assembly
  • And, of course, Ruby on Rails