walcron logo

Certification taken

AWS Certified Cloud Practitioner

  • Spot Instances
  • On Demand
  • Reserved Instances (1 yr / 3yr)
  • Convertible Reserved Instances (Only 1 Available Zone)
  • Savings Plan (min usage of RI)
  • Dedicated Hosts (License)
Responsibility for Patch Management, Configuration Management and Awareness and Training
  • Business Perspective
  • People Perspective
  • Governence Perspective
  • Platform Perspective
  • Security and Operation Perspective
  • Rehosting
  • Replatforming
  • Retire
  • Repurchase
  • Refactoring and Retaining / Rearchitecture
Operation Excellence → Security → Reliability → Performance Efficiency → Cost Optimisation → Sustainability
  • Trade Fixed Expenses for Variable Expenses
  • Benefit from Massive scale of Economics
  • Stop Guessing Capacity
  • Increase Speed & Agiity
  • Stop Spending money running & maintaining data center
  • Go global in minutes

Sun Java Certified

Old collection without streaming/parallel capabilites with Java 1.2.

Functional Programming Principal In Scala

Synthetic sugars to use collection correctly without side-effects.
Concept of val and const that prevents immutability and to use collections (Haskell like) trigger.
Understanding the concept of programming paradigm. Like higher order functions, currying.
Using match and generics. Was not too strong on this.
Boost of confidence in writing good programming functions and ease pickup of both Kotlin and Javascript.