Tableau Developer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What is Tableau? Let’s have a look at the definition inspired by the official Tableau website: Tableau is a visual data analytics platform focused on the business analytics use case that helps you use data to solve problems. It is great … Read more

Database Administrator — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What is a Database Administrator? A database administrator (DBA) is an IT professional responsible for maintaining the reliable, efficient, and secure execution of a database management system (DBMS). In this way, a database administrator is responsible for providing the data infrastructure … Read more

Database Engineer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What is a Database Engineer? A database engineer is responsible for providing the data infrastructure of a company or organization. This involves designing, creating, installing, configuring, debugging, optimizing, securing, and managing databases. Database engineers can either work as employees or as … Read more

Distributed Systems Engineer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Is a Distributed System? A distributed system is a computer system spread across multiple computing devices connected via a communication network. Each participating device takes over part of the overall work performed by the system. By means of the collaboration … Read more

Security Engineer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Does a Security Engineer Do? A security engineer is a “white-hat hacker”, i.e., an IT professional who analyzes computer systems and computer networks to ensure they are running securely. This involves proactive analysis and understanding of possible security threats and … Read more

Caesar Cipher in Python

Caesar Cipher is a simple encryption and obfuscation method. It’s a straightforward substitution cipher that replaces each plain text character with the obfuscated character obtained by shifting the plain text character a fixed number of positions in the alphabet. What is Cryptography? Before we introduce our first cryptographic algorithm, Caesar’s cipher, let’s first introduce cryptography … Read more

Chatbot Developer — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Is a Chatbot Developer? A chatbot developer creates software to automate communication with customers and users. An example chatbot application is in customer service for an eCommerce website. Chatbot developers use machine learning and artificial intelligence techniques to communicate with … Read more

System Administrator — Income and Opportunity

Before we learn about the money, let’s get this question out of the way: What Does a System Administrator Do? A system administrator (SysAdmin) is responsible for keeping a system, server, or server application running smoothly and without unexpected negative system behavior. This involves tasks such as management, debugging, troubleshooting, licensing, and updating hardware and … Read more