Onboarding Guide

Non-Technical
Consulting vs Contracting
Greenfield vs Brownfield
Greenfield software is the software that we design and develop from scratch. Brownfield software is one where something already exists and we have to add functionality and/or features to it.
Obvious mostly works in greenfield software development but we occasionally work with brownfield stuff too.
Engineering Philosophy
​First Principles​
Documentation practices (ADR, project documentation etc.)
Technical
​Trunk Based Development (TBD)​
Use of feature flags for features that span over multiple PRs
Habit of raising PRs everyday
Prioritising review over writing new code (dropping everything to review a PR)
Show the Simple repo for daily branches, continuous integration and Github Actions for having checks in place
​Code Reviews & Pull Requests​
Read the Google code review guide and highlight some important practices that we follow as a team
Estimation Practices
How engineers get estimations wrong?
Estimation based on complexity and not time
Testing
​Testing pyramid 
Unit and Integration testing
Importance of testing
​Covariance and contra-variance in tests​
Testing codelabs for beginners: 
​Testing basics​
​Test doubles and dependency injection​
​Test doubles: Fakes, mocks and Stubs 
Mobius
Functional Core and Imperative Shell
​Pure functions​
Imperative and functional programming basics
Boundaries Talk by Gary Bernhardt - YouTube / Original Website​
Usage of Functional Core & Imperative Shell in above talk - Video Link​
Introduction to State Machines
Introduction to Mobius​
​Mobius onboarding​
Pairing activity using Counter example
Test-driven development
Introduce the login example
Pair on drawing the state diagram for login screen
Introduce Effect and EffectHandler
Introduce to Views and View Renderers
Introduce Init and wire Mobius loop
Individual Activity: Re-write the take-home exercise in Mobius

Vital reading material

Next - Engineering Onboarding

Mobius onboarding Guide

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Contents

Non-Technical

Consulting vs Contracting

Engineering Philosophy

Technical

Mobius