Blog / Engineering

Evaluating usage-based billing providers: what engineers need to know (part 1)

A look into our experience in buying and integrating a usage-based billing provider at Knock.

Chris Bell
Chris Bell23 September 2022

How we onboard engineers at a devtools startup

A behind-the-scenes look at how we onboard new engineers at Knock, and the principles we use to do so.

Chris Bell
Chris Bell21 July 2022

Controlling Elixir supervisors at runtime with feature flags

A look at how Knock uses Elixir and feature flags to adapt our software at runtime.

Brent Anderson
Brent Anderson16 June 2022

Building a batched notification engine

A deep dive on how to design and build a batched system for your product notifications.

Chris Bell
Chris Bell01 June 2022

How we use Postgres LTrees to surface API logs

Postgres ships with the Label Tree data type. How Knock uses LTrees for fast API log search.

Brent Anderson
Brent Anderson23 February 2022

How we work: moving fast to ship customer value

A peek behind the curtain at Knock. How we work to optimize for shipping customer value, quickly.

Chris Bell
Chris Bell25 October 2021

Using the Knock notification component to add an in-app feed to your product

A look into how to set up and use Knock's in-app feed component.

Chris Bell
Chris Bell15 September 2021

Using Knock to power Knock's notifications

Getting meta and showing the power of Knock to build our member invite feature.

Chris Bell
Chris Bell02 June 2021

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