Jesse Warden

I write code, front end and back-end, and like deploying it on AWS. Software Developer for 20 years, and still love it. Amateur Powerlifter & Parkourist.

Richmond, Virginia, USA Joined on Nov 19, 2018 devto@jessewarden.com http://jessewarden.com

Jesse Warden

May 4

Programming Tip #6: Pattern Matching

#rescript #programmingtips #patternmatching

1 min read

Grinding as a developer

Freelance, back in 2008 or 2012. Generally I had really good...

May 21

Programming Tip #2: Avoid globals for dependencies; instead inject them as function arguments.

Thanks! I can't wait till Roc Lang is near beta. Switching my...

May 13

Programming Tip #2: Avoid globals for dependencies; instead inject them as function arguments.

Sorry, 1 thing I forgot. So... when I started learning Funct...

May 12

What "second" language would you recommend a JS Full-Stack Developer?

Python or Ruby. Before Node.js, they were the dynamic languag...

May 11

Programming Tip #2: Avoid globals for dependencies; instead inject them as function arguments.

That is a WONDERFUL technique for AWS Lambdas or other places...

May 11

What is the ONE language/framework you refuse to use? But...WHY???

Legacy code. Even if it’s in my favorite language/framework, ...

May 1

Unpopular Opinion: Years worked != experience level.

Agreed. Some years I really grew. Others, stagnant. However, ...

Apr 15

Trouble finding good front end dev

Hell yeah, dream come true for a lot of us who "want to use X...

Apr 12

View all 65 comments

Jesse Warden

May 3

Programming Tip #5: Sleep

#sleep #programmingtips #softwarequality

1 min read

Jesse Warden

May 2

Programming Tip #4: Domain Modeling using And and Or types

#fsharp #programmingtips

1 min read

Jesse Warden

May 1

Programming Tip #3: Functional Core, Imperative Shell for AWS Lambdas

#python #programmingtips

1 min read

Jesse Warden

Apr 30

Programming Tip #2: Avoid globals for dependencies; instead inject them as function arguments.

#javascript #testing #programmingtips

3 6

1 min read

Jesse Warden

Apr 29

Programming Tip #1: Avoid Primitives, Use Product Types

#programmingtip #elm #elmlang

4 1

1 min read

Jesse Warden

Apr 7

Thoughts on Dave Farley's "You NEED to Stop Using Pull Requests"

#cicd #pullrequest #pairprogramming

2 min read

Jesse Warden

Mar 13

Using the Builder Pattern for Elm Components

#elm #javascript #webcomponents

10 min read

Jesse Warden

Feb 6

Avoiding Primitive Obsession in 6 Programming Languages

#python #javascript #typescript #types

9 1

15 min read

Jesse Warden

Jan 27

Trunk Based Development Retro

#git #continuousdelivery #ci #workflow

4 min read

Jesse Warden

Jan 16

How to use Dependency Injection in Functional Programming

#javascript #oop #functional #dependencyinjection

15 19

8 min read

Jesse Warden

Dec 20 '21

Introduction to Tailwind CSS

#tailwindcss #css #tutorial

1 min read

Jesse Warden

Sep 29 '21

Learning Videos for Test Driven Development

#testing #tdd #javascript

1 min read

Jesse Warden

Sep 20 '21

What are Step Functions?

#stepfunctions #statemachines #aws #javascript

1 min read

Jesse Warden

Aug 21 '21

Property Testing

#javascript #testing

1 min read

Jesse Warden

Jul 23 '21

Learnings from Chaos Engineering in Node.js

3 min read

Jesse Warden

Jul 11 '21

Why Functional Programmers Avoid Exceptions

#javascript #python #functional #exceptions

36 10

9 min read

Jesse Warden

Jun 23 '21

Why I Don't Use Async Await

#javascript

12 18

4 min read

Jesse Warden

May 16 '21

Test Driven Development in Both OOP and FP

#tdd #testdrivendevelopment #elm #javascript

3 min read

Jesse Warden

May 15 '21

Test Driven Development (TDD) in 1 Minute

1 min read

Jesse Warden

May 7 '21

Serverless Tips for 2021

3 3

1 min read

Jesse Warden

Apr 25 '21

React to Elm Migration Guide

#elm #react #javascript #migration

52 11

15 min read

Jesse Warden

Apr 19 '21

Providing JavaScript Developers Helpful Type Errors When They Call Your ReScript Library Incorrectly

#javascript #rescript #types #errors

9 min read

Jesse Warden

Apr 11 '21

No Consequences of Product & Technical Decisions

#career #productmanagement #technicaldebt #softwaremaintenance

3 min read

Jesse Warden

Apr 11 '21

New Appreciation for Typed Lenses

#javascript #python #rescript #lens

4 min read

Jesse Warden

Apr 5 '21

I Hate My Code Again

#javascript

1 min read

Jesse Warden

Apr 2 '21

Errors as Values: Free Yourself From Unexpected Runtime Exceptions

#javascript #python #functional #exceptionhandling

18 min read

Jesse Warden

Mar 17 '21

JavaScript to ReScript Presentation

#rescript #javascript #functional

1 min read

Jesse Warden

Mar 3 '21

Converting a JavaScript Library to ReScript

#javascript #rescript #functional #typescript

13 min read

Jesse Warden

Jan 24 '21

In Search of the Best Functional Programming Back-End: 2021 Update

#javascript #aws #serverless #functional

8 3

11 min read

Jesse Warden

Dec 21 '20

That 70's Serverless Article

#serverless #aws #devops #configuration

1 min read

Jesse Warden

Dec 20 '20

Stripe and Charity Majors on Developer Productivity

#continuousdelivery #developer #productivity #javascript

2 min read

Jesse Warden

Dec 11 '20

Strictly Typed Functional Programming for Roblox

#functional #hypatia #roblox #lua

6 1

2 min read

Jesse Warden

Nov 29 '20

Building a Temperature Converter in Elm and Bulma

#elm #bulma #video #webapplication

1 min read

Jesse Warden

Nov 27 '20

Five Levels of Error Handling in Both Python and JavaScript

#javascript #python #errors #exception

57 4

21 min read

Jesse Warden

Nov 21 '20

Domain Driven Design Translated to Functional Programming

#programming #functional #objectoriented

3 min read

Jesse Warden

Oct 19 '20

OpenSlava 2020: Using Serverless & Functional Programming for Ingesting Asteroid Price Data

#serverless #errors #aws #python

1 min read

Jesse Warden

Oct 17 '20

React Developer's Crash Course into Elm

#elm #react #redux #javascript

39 8

16 min read

Jesse Warden

Oct 12 '20

AWS Lambda Function Design Best Practice

#aws #serverless #javascript #python

2 min read

Jesse Warden

Oct 3 '20

Learning AWS in 2020: Pick something Fun, Do Your Best, Forget the Rest.

#aws #serverless #javascript #python

2 min read

Jesse Warden

Sep 28 '20

Who Says Distributed Monoliths are Bad?

#javascript

19 min read

Jesse Warden

Sep 20 '20

Async/Await vs Promise.then Style

#javascript

27 1

12 min read

Jesse Warden

Sep 12 '20

3 Bugs This Week

#bugs #programming #aws

1 min read

Jesse Warden

Sep 6 '20

Large Step Function Data - Dealing With Eventual Consistency in S3

#aws #stepfunction #s3 #lambda

7 min read

Jesse Warden

Aug 15 '20

How AWS Changes Concurrency for Your Programming Language of Choice

#javascript

4 min read

Jesse Warden

Jul 26 '20

List of Un-fun Things You Do as a Developer That May be Considered "Senior"

#programming #levels #senior #junior

7 min read

Jesse Warden

Mar 17 '20

Write Unbreakable Python

#maybe #either #functional #python

57 12

19 min read

Jesse Warden

Oct 6 '19

React Redux Thunk vs Elm

#elm #functional #javascript #react

41 min read

Jesse Warden

Jul 14 '19

Maybe a Default Good Idea

#maybe #functional #nullpointer #exception

10 min read

Jesse Warden

Jun 16 '19

Code Organization in Functional Programming vs Object Oriented Programming

#functional #objectoriented #organization #javascript

45 8

5 min read

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Recent comments

Grinding as a developer

Programming Tip #2: Avoid globals for dependencies; instead inject them as function arguments.

Programming Tip #2: Avoid globals for dependencies; instead inject them as function arguments.

What "second" language would you recommend a JS Full-Stack Developer?

Programming Tip #2: Avoid globals for dependencies; instead inject them as function arguments.

What is the ONE language/framework you refuse to use? But...WHY???

Unpopular Opinion: Years worked != experience level.

Trouble finding good front end dev