Software development process

Also see:

• eXtreme Programming

Agile

Manifesto for Agile Software Development:

• Individuals and interactions over processes and tools
• Working software over comprehensive documentation
• Customer collaboration over contract negotiation
• Responding to change over following a plan

Scrum

Scrum on Wikipedia.

Image credit: odd-e.

Read about Scrum Meetings.

Operations

Operations team responsibilities:

• Monitoring the health of the system and quickly restoring service if it goes a bad state
• Tracking down the cause of the problem, such as system failures or degraded performance
• Keeping software and platforms up to date, including security patches
• Keeping tabs on how different systems effect each other, so that a problematic change can be avoided before it causes damage
• Anticipating future problems and solving them before they occur (e.g., capacity planning)
• Establishing good practices and tools for deployment, configuration management, and more
• Performing complex maintenance tasks, such as moving an application from one platform to another
• Maintaining the security of the system as configuration changes are made
• Defining process that make operations predictable and help keep the production environment stable
• Preserving the organization's knowledge about the system, even as individual people come and go

According to Designing Data-Intensive Applications by Martin Kleppmann