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Oliver Jumpertz profile picture

Oliver Jumpertz

I'm a Software Engineer / Software Architect working in FinTech and a huge lover of web technologies. How can I help you? Oh, I nearly forgot to tell you: You are awesome!

Location Germany Joined Joined on  github website twitter website

Work

Software Architect

How to tackle the dreaded question "Why should we hire you?" in your next interview

How to tackle the dreaded question "Why should we hire you?" in your next interview

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6 min read
You might undersell yourself by giving yourself the wrong title

You might undersell yourself by giving yourself the wrong title

Reactions 1 Comments
3 min read
That one common interview question most interviewees hate

That one common interview question most interviewees hate

Reactions 2 Comments
6 min read
One of the most important interview questions many interviewees fail to answer correctly

One of the most important interview questions many interviewees fail to answer correctly

Reactions 4 Comments
6 min read
React's useEffect Hook

React's useEffect Hook

Reactions 51 Comments
3 min read
An Introduction To WebAssembly

An Introduction To WebAssembly

Reactions 2 Comments
4 min read
The 10 Most Valuable Lessons I Learned As A Developer

The 10 Most Valuable Lessons I Learned As A Developer

Reactions 2 Comments
8 min read
How To Set Up A Solidity Project And Create Your First Smart Contract

How To Set Up A Solidity Project And Create Your First Smart Contract

Reactions 19 Comments 1
14 min read
Solidity Quick Tip: Efficiently Swap Two Variables

Solidity Quick Tip: Efficiently Swap Two Variables

Reactions 3 Comments 1
2 min read
JavaScript Quick Tip: Quickly Filter Out All Falsy Values From An Array

JavaScript Quick Tip: Quickly Filter Out All Falsy Values From An Array

Reactions 11 Comments 4
2 min read
JavaScript Quick Tip: Make Function Arguments Required With Default Parameters

JavaScript Quick Tip: Make Function Arguments Required With Default Parameters

Reactions 2 Comments
2 min read
JavaScript Quick Tip: Quickly Get All Unique Values From An Array

JavaScript Quick Tip: Quickly Get All Unique Values From An Array

Reactions 5 Comments
2 min read
JavaScript Quick Tip: The Nullish Coalescing Operator

JavaScript Quick Tip: The Nullish Coalescing Operator

Reactions 7 Comments
2 min read
JavaScript Quick Tip: Create A Cancelable Promise Delay

JavaScript Quick Tip: Create A Cancelable Promise Delay

Reactions 7 Comments
2 min read
Your Guide To Computer Science Fundamentals

Your Guide To Computer Science Fundamentals

Reactions 10 Comments 3
6 min read
Distributed Consensus - Proof of Stake

Distributed Consensus - Proof of Stake

Reactions 4 Comments
3 min read
Distributed Consensus - Proof-of-Work

Distributed Consensus - Proof-of-Work

Reactions 2 Comments
4 min read
6 Tips To Improve Your Review Process

6 Tips To Improve Your Review Process

Reactions 15 Comments
3 min read
An Introduction To Blockchain Technology

An Introduction To Blockchain Technology

Reactions 5 Comments 2
6 min read
Want To Get Hired? - Optimize Your LinkedIn Profile

Want To Get Hired? - Optimize Your LinkedIn Profile

Reactions 5 Comments 1
3 min read
An Introduction To Svelte

An Introduction To Svelte

Reactions 47 Comments 3
4 min read
Data Science And Machine Learning In JavaScript

Data Science And Machine Learning In JavaScript

Reactions 5 Comments
2 min read
An Introduction To The Jamstack

An Introduction To The Jamstack

Reactions 5 Comments
4 min read
An Introduction To Rust

An Introduction To Rust

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4 min read
Never Answer What Your Current Salary Is In An Interview - Here Is Why

Never Answer What Your Current Salary Is In An Interview - Here Is Why

Reactions 4 Comments
2 min read
The Moving Average (Simple And Exponential) - Theory, Math, And Implementation In JavaScript

The Moving Average (Simple And Exponential) - Theory, Math, And Implementation In JavaScript

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8 min read
Simple Linear Regression - Theory, Math, And Implementation In JavaScript

Simple Linear Regression - Theory, Math, And Implementation In JavaScript

Reactions 6 Comments
7 min read
How The Abstract Equality Comparison (==) In JavaScript Works

How The Abstract Equality Comparison (==) In JavaScript Works

Reactions 9 Comments 3
6 min read
DIP - The Dependency Inversion Principle

DIP - The Dependency Inversion Principle

Reactions 6 Comments
3 min read
ISP - The Interface Segregation Principle

ISP - The Interface Segregation Principle

Reactions 1 Comments
3 min read
LSP - The Liskov Substitution Principle

LSP - The Liskov Substitution Principle

Reactions 1 Comments
3 min read
OCP - The Open-Closed Principle

OCP - The Open-Closed Principle

Reactions 6 Comments
3 min read
SRP - The Single Responsibility Principle

SRP - The Single Responsibility Principle

Reactions 3 Comments
3 min read
Indenting JSON.stringify’s Output

Indenting JSON.stringify’s Output

Reactions 7 Comments
2 min read
7 Steps To Follow During Your System Design Interview To Help You Ace That Round

7 Steps To Follow During Your System Design Interview To Help You Ace That Round

Reactions 8 Comments
7 min read
DRY - Don’t repeat yourself

DRY - Don’t repeat yourself

Reactions 9 Comments
3 min read
Building A Containerized Lambda Function

Building A Containerized Lambda Function

Reactions 7 Comments
6 min read
A Gentle Introduction To Kubernetes

A Gentle Introduction To Kubernetes

Reactions 26 Comments
6 min read
How AWS Lambda Works Under The Hood

How AWS Lambda Works Under The Hood

Reactions 98 Comments 8
4 min read
XOR, bitwise XOR and using it to solve an algorithm challenge

XOR, bitwise XOR and using it to solve an algorithm challenge

Reactions 8 Comments
5 min read
Setting up Jenkins to handle GitHub Pull Requests

Setting up Jenkins to handle GitHub Pull Requests

Reactions 6 Comments
9 min read
Making good use of // @ts-expect-error in TypeScript

Making good use of // @ts-expect-error in TypeScript

Reactions 15 Comments 1
4 min read
Using multiple working trees in Git

Using multiple working trees in Git

Reactions 94 Comments 6
3 min read
Building a project with TypeScript, Express, Mocha and Chai

Building a project with TypeScript, Express, Mocha and Chai

Reactions 41 Comments 2
7 min read
Try not to clutter your git history

Try not to clutter your git history

Reactions 2 Comments
13 min read
You should consider adding more detail to your commit messages

You should consider adding more detail to your commit messages

Reactions 54 Comments 4
7 min read
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