We are all living in social isolation due to the quarantine from COVID-19. Isolation is changing our habits and our moods, ravaging the economy, and changing how we work. One positive change is that more people have been reconnecting with their friends and family over frequent calls and video chats. Isolation is not a normal

A data warehouse is a system for performing fast queries on large amounts of data. A data lake is a system for storing high volumes of data in a format that is slow to access. A typical workflow for a data engineer is to pull data sets from this slow data lake storage into the

A content management system (CMS) defines how the content on a website is arranged and presented. The most widely used CMS is WordPress, the open source tool that is written in PHP. A large percentage of the web consists of WordPress sites, and WordPress has a huge ecosystem of plugins and templates. Despite the success

A data workflow scheduler is a tool used for connecting multiple systems together in order to build pipelines for processing data. A data pipeline might include a Hadoop task for ETL, a Spark task for stream processing, and a TensorFlow task to train a machine learning model.  The workflow scheduler manages the tasks in that

A relational database often holds critical operational data for a company, including user names and financial information. Since this data is so important, a relational database must be architected to avoid data loss. Relational databases need to be a distributed system in order to provide the fault tolerance necessary for production use cases. If a

Python is the most widely used language for data science, and there are several libraries that are commonly used by Python data scientists including Numpy, Pandas, and scikit-learn. These libraries improve the user experience of a Python data scientist by giving them access to high level APIs. Data science is often performed over huge datasets,

Chatbots became widely popular around 2016 with the growth of chat platforms like Slack and voice interfaces such as Amazon Alexa. As chatbots came into use, so did the infrastructure that enabled chatbots. NLP APIs and complete chatbot frameworks came out to make it easier for people to build chatbots. The first suite of chatbot

Serverless computing is a way of designing applications that do not directly address or deploy application code to servers. Serverless applications are composed of stateless functions-as-a-service and stateful data storage systems such as Redis or DynamoDB.  Serverless applications allow for scaling up and down the entire architecture, because each component is naturally scalable. And this

NGINX is a web server that can be used to manage the APIs across an organization. Managing these APIs involves deciding on the routing and load balancing across the servers which host them. If the traffic of a website suddenly spikes, the website needs to spin up new replica servers and update the API gateway

Web development has historically had more work being done on the server than on the client. The observability tooling has reflected this emphasis on the backend. Monitoring tools for log management and backend metrics have existed for decades, helping developers debug their server infrastructure. Today, web frontends have more work to do. Detailed components in