Alex Ewerlöf Notes
Description
Technical Leadership, Reliability Engineering, Growth
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Latest Posts
SLI Evolution Stages
How to dodge vanity metrics and measure the right service level indicator and why?
SLI Compass: Fidelity and Granularity
A Mental Model to Assess Existing SLIs and Evaluate New Ones. We discuss 2 dimension: fidelity shows how closely your SLI is measuring the user experience, granularity shows how many...
Service Level Topology
Visualizing the service consumption and measurement topology while avoiding the most common SLI/SLO pitfalls
Service Level Assessment Graph
Visualizing the service consumption and measurement topology while avoiding the most common SLI/SLO pitfalls
SLA vs SLO
Demystifying the most common misconception in Service Level jargon
Wardley Maps & Pace Layering for Senior Tech Leads and Engineering Leaders
Intro to both tools, why they exist, how they overlap and pragmatic tips how to use them and when
Ephemeral taskforce
The pragmatic alternative to technical committees
When a team is too big
What signs to look for and how to increase productivity with all-round skillset
Staff archetypes are anti-patterns
Why the Staff+ archetypes are counterproductive and what to do instead?
Staff+ self-onboarding questions
Useful questions to get a head start as a newly hired Staff, Principal, or Distinguished engineer
Premature optimization
A mental model to detect and prevent optimizing the wrong thing, at the wrong time, or for the wrong reasons
Async map with limited parallelism in JavaScript
Using generators and promises to control backpressure
Gen AI assimilation
Assimilating creative work ignoring copyright law
Your business value
You should always generate more value than the perks the company puts on the table.
VOD
How vertical/horizontal organizational distance impacts the quality of information network, decisions, execution and deliveries?
Open prison theory
An invitation to intellectual humility, scientific curiosity, and collaborative exploration.
Mapping reliability to accountability
Holding engineering leadership accountable for the reliability of engineering artifacts
Engineering grading systems
Why engineering maturity models are counter-productive, what are the real questions we should be asking, and how to lead the tech to a better place?
Best Practice vs Fit Practice
Breaking free from interpretation, time, environment, and exaggeration
Accountable vs Responsible
When to separate accountability from responsibility and why it usually doesn't matter?