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Mario Fernández

I develop software for a living. Then I go home and continue reading about software because I just can't get enough

Location Germany Joined Joined on  Personal website https://hceris.com github website twitter website

Work

Staff Engineer at Wayfair

Book Review: Effective Remote Work
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Book Review: Effective Remote Work

#bookreview #softwareengineering #practices #teamorganization
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3 min read

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Anatomy of a Successful Retro
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Anatomy of a Successful Retro

#agile #practices #softwareengineering
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6 min read
The Behavioral Interview
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The Behavioral Interview

#interview #codingchallenge #faang #career
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6 min read
The System Design Interview
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The System Design Interview

#interview #codingchallenge #faang #career
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7 min read
Tips for Coding Interviews at FAANG
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Tips for Coding Interviews at FAANG

#interview #codingchallenge #faang #career
1
Comments
6 min read
Book Review: Site Reliability Workbook
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Book Review: Site Reliability Workbook

#bookreview #devops #monitoring #alerts
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2 min read
Making a Microservice More Resilient Against Downstream Failure
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Making a Microservice More Resilient Against Downstream Failure

#softwareengineering #monitoring #datadog #netflix
8
Comments
6 min read
Book Review: Designing Data-Intensive Applications
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Book Review: Designing Data-Intensive Applications

#bookreview #architecture #distributedsystems
Comments
2 min read
Multiwindow, Multi-Burn-Rate Alerts in DataDog
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Multiwindow, Multi-Burn-Rate Alerts in DataDog

#monitoring #alerts #terraform #datadog
7
Comments
6 min read
Applications Instead of Libraries
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Applications Instead of Libraries

#architecture #react #microfrontends #javascript
2
Comments
9 min read
Book Review: Staff Engineer
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Book Review: Staff Engineer

#bookreview #leadership #teamorganization #architecture
2
Comments
2 min read
Secure a Rails API with Auth0
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Secure a Rails API with Auth0

#ruby #rails #oauth #security
2
Comments
9 min read
Monitoring Alerts That Don't Suck
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Monitoring Alerts That Don't Suck

#monitoring #practices #alerts #oncall
1
Comments
6 min read
From Redux to the Context API: A Practical Migration Guide
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From Redux to the Context API: A Practical Migration Guide

#react #redux #contextapi #architecture
6
Comments
11 min read
Starting you new React application with Redux? Consider a simpler approach using the Context API
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Starting you new React application with Redux? Consider a simpler approach using the Context API

#react #redux #contextapi #architecture
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6 min read
Book Review: Management 3.0
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Book Review: Management 3.0

#bookreview #practices #agile
Comments
2 min read
How not to do a take-home coding assignment
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How not to do a take-home coding assignment

#interview #codingchallenge
2
Comments
5 min read
Authorization Code Flow with PKCE (OAuth) in a React application
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Authorization Code Flow with PKCE (OAuth) in a React application

#auth0 #oauth #react
7
Comments
5 min read
Signing your commits in git
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Signing your commits in git

#security #git #gpg
6
Comments 1
3 min read
Book Review: Accelerate
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Book Review: Accelerate

#bookreview #practices #teamorganization #continuousdelivery
1
Comments 3
2 min read
Be a good Kubernetes citizen and use Pod Disruption Budgets
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Be a good Kubernetes citizen and use Pod Disruption Budgets

#kubernetes #operations #devops #terraform
3
Comments
4 min read
Book Review: Team topologies
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Book Review: Team topologies

#bookreview #practices #teamorganization
Comments
3 min read
So, what does the NGINX ingress controller actually do?
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So, what does the NGINX ingress controller actually do?

#kubernetes #ingress #nginx
2
Comments
6 min read
Setting up OAuth for Grafana with Auth0
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Setting up OAuth for Grafana with Auth0

#auth0 #oauth #infrastructureascode #terraform
2
Comments
4 min read
Book Review: Prometheus up and running
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Book Review: Prometheus up and running

#bookreview #monitoring #devops #prometheus
1
Comments
2 min read
Provisioning an Application Load Balancer with Terraform
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Provisioning an Application Load Balancer with Terraform

#aws #terraform #loadbalancing #networking
5
Comments
4 min read
Book Review: No rules rules, Netflix and the culture of reinvention
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Book Review: No rules rules, Netflix and the culture of reinvention

#bookreview #netflix
1
Comments
3 min read
Keeping a technical backlog
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Keeping a technical backlog

#agile #practices #leadership
2
Comments
4 min read
Provisioning a Network Load Balancer with Terraform
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Provisioning a Network Load Balancer with Terraform

#aws #terraform #loadbalancing #networking
1
Comments
7 min read
Book Review: Working effectively with legacy code
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Book Review: Working effectively with legacy code

#bookreview #architecture #practices
Comments 1
2 min read
Getting technical stories into an iteration
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Getting technical stories into an iteration

#agile #practices #leadership
1
Comments
5 min read
Book Review: Never split the difference
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Book Review: Never split the difference

#bookreview #negotiation
2
Comments 3
3 min read
Either Types for Rust
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Either Types for Rust

#rust #functional #exceptions #either
7
Comments 3
4 min read
Technical stories, a miscast artifact of agile development
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Technical stories, a miscast artifact of agile development

#agile #practices #leadership
8
Comments 3
6 min read
Book Review: The Rust programming language
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Book Review: The Rust programming language

#bookreview #rust #systemsprogramming
3
Comments 1
2 min read
Diagrams as code for infrastructure as code
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Diagrams as code for infrastructure as code

#infrastructure #diagrams #documentation
6
Comments 1
4 min read
Dev huddle as a tool to achieve alignment among developers
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Dev huddle as a tool to achieve alignment among developers

#agile #practices #leadership
7
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6 min read
Book Review: The art of leadership
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Book Review: The art of leadership

#bookreview #leadership #rands
2
Comments 2
2 min read
Understanding VPC endpoints
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Understanding VPC endpoints

#aws #terraform #vpc #networking
6
Comments
5 min read
Book Review: The software architect elevator
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Book Review: The software architect elevator

#bookreview #architecture #devops
4
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2 min read
A directory structure for React projects
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A directory structure for React projects

#react #typescript #codeorganization
11
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3 min read
Book Review: Kotlin in Action
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Book Review: Kotlin in Action

#bookreview #kotlin
2
Comments
2 min read
Templating Concourse pipelines with Jsonnet: Follow-up
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Templating Concourse pipelines with Jsonnet: Follow-up

#concourse #jsonnet #templating
5
Comments
4 min read
Book Review: Securing DevOps
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Book Review: Securing DevOps

#bookreview #devops #security
1
Comments
2 min read
Templating Concourse pipelines with Jsonnet: An Introduction
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Templating Concourse pipelines with Jsonnet: An Introduction

#concourse #jsonnet #templating
2
Comments
6 min read
Book Review: Effective TypeScript
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Book Review: Effective TypeScript

#bookreview #typescript
5
Comments
3 min read
Either Types extended version
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Either Types extended version

#kotlin #functionalprogrammi #arrow #exceptions
3
Comments
1 min read
Useful commands to work with certificates
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Useful commands to work with certificates

#certificates #ssl #openssl
2
Comments
5 min read
Either Types as an alternative to throwing exceptions in Kotlin
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Either Types as an alternative to throwing exceptions in Kotlin

#kotlin #functional #arrow #exceptions
4
Comments
5 min read
Setting up Auth0 with Terraform
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Setting up Auth0 with Terraform

#auth0 #oauth #iac #terraform
13
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6 min read
Authorization for a Kotlin Spring backend, using JSON Web Tokens
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Authorization for a Kotlin Spring backend, using JSON Web Tokens

#auth0 #oauth #kotlin #springboot
7
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5 min read
Comparing Traefik2 with Traefik
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Comparing Traefik2 with Traefik

#traefik #devops #loadbalancing #ssltermination
1
Comments
5 min read
Fail a test in Jest if an unexpected network request happens
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Fail a test in Jest if an unexpected network request happens

#react #jest #testing #reacttestinglibrar
1
Comments
3 min read
How to split the deployment of your front end and back end with the help of Consumer Driven Contract Testing
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How to split the deployment of your front end and back end with the help of Consumer Driven Contract Testing

#contracttesting #pact #continuousdelivery #jest
1
Comments 1
9 min read
Descriptive assertions in Kotlin for clearer tests
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Descriptive assertions in Kotlin for clearer tests

#kotlin #testing #strikt
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3 min read
How to automate REST API end-to-end tests in a CI environment with Postman and Newman
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How to automate REST API end-to-end tests in a CI environment with Postman and Newman

#rest #e2e #postman #newman
2
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8 min read
Custom Components in Formik
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Custom Components in Formik

#react #formik #reacthooks
2
Comments
3 min read
Dockerizing a JVM app with CircleCI
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Dockerizing a JVM app with CircleCI

#docker #circleci #jvm #serverspec
Comments
6 min read
Painless JSON with Kotlin and jackson
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Painless JSON with Kotlin and jackson

#kotlin #json #jackson #rest
1
Comments
7 min read
Mock verification in Kotlin using MockK and Atrium
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Mock verification in Kotlin using MockK and Atrium

#kotlin #testing #mockk #springboot
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4 min read
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