Journal of Seun Matt and his expertise on SmattMe

Deploy your Spring Boot application to a Kubernetes cluster with zero downtime using a combination of termination grace period and context closed listener.

If 2025 were to be a movie, the classic, Shoot ‘Em Up, captures my career experience.

Let’s discuss practical, day-to-day steps you can take as a professional aspiring to become a Senior Software Engineer or higher.

Testcontainers allows you to spin up lightweight, disposable containers for databases and more.

The essence of a team is such that the group output is greater than sum of individual outputs.

It is important to effectively evaluate the performance of Software Engineers so that we can promote the qualities that move the company towards achieving its objectives

Learn how to automate Java coding standards enforcement using Pre-commit, Precommit4j, and Checkstyle with this step-by-step tutorial

2024 is a unique and eventful year.

A beginner-friendly guide to Spring Boot, covering project setup, structure, and the use of MVC patterns.

In this video tutorial, we will learn how to find and use free HTML/CSS templates to create stunning user interfaces for a Spring Boot application.

Learn how to automatically encrypt and decrypt sensitive data in your Spring Boot application using AES encryption and JPA Attribute Converters.

Learn how to implement HMAC signature in a Spring Boot application to secure API requests.

Advanced Encryption Standard (AES) is a fast, symmetric encryption algorithm.

Learn how to use environment variables in Spring Boot application properties files to override the configured default values like a pro in 10 minutes.

A practical guide on how to encrypt and decrypt data using the RSA algorithm in Java.

This article shows how to create a Spring Boot app that requires API key for an endpoint using Spring Security.

Delegating without empowering is a recipe for disappointment.

In life, very few things trump “I’ve done it before”, this is how to get a 5 years worth of experience in 3 and maximise your employment

This is a tell-tale of my 1 year tenure at Cellulant.

This article explains the MVC design pattern in a simple and easy to understand manner.

In this article, we will examine how to generate HMAC signature for a given data or message in Java with an example using the HMAC-SHA256 algorithm

In this article, we are going to consider the differences between @Transactional and TransactionTemplate in managing database transactions in a SpringBoot application.

I am a results-driven Software Engineering Manager dedicated to building elite teams that consistently achieve business objectives and drive profitability.

You can reach out to me via the following mediums: Send me a LinkedIn Message Send me a Twitter DM Send me a Facebook Message

We will learn how to use Flyway to create database schema and even seed the database with data when our application is starting up for the first time

We will be looking at the request-validator library, which is able to compare the user input against a pre-defined set of rules like required,max,min

This is a comprehensive architectural guide on how to secure important APIs of your application including the signup, reset password and retry OTP API

In this tutorial, we are going to look at how to download bootstrap and jquery locally and use them to in our project even when we don’t have internet

Learn how to handle exceptions in a monolith Spring Boot application and return custom error pages.

In this article, we are going to look at how to configure Spring boot to handle exceptions and customise the error responses

How to use Terraform to create a DigitalOcean droplet for a Java (Spring Boot) web application

In this tutorial, we will see how to publish our open source Java library to Maven Central.

Being able to read log files on a production server can boost the quality of your emergency readiness and response.

Create a Spring Boot application, set up your server and configure Gitlab to build your app, run tests and deploy automatically to your server

Why upload the file, when all you need is the data in it?

Export your MySQL database to a zip file, send the generated SQL dump to your email, Amazon S3, Google Drive etc.

We’ll build a complete desktop application that’ll translate English text to Morse Code and vice-versa plus an overview of Java GUI

Sometimes the coins make all the difference - between those who took-off and those who crash on the runway of entrepreneurship.

Life can be tough, great men do fall.

This is a recap of how I moved from Laragon 2 to v3, my mistakes and how you can avoid them.

Ever wish there is a way you insert default data into the database during application startup in a SpringBoot environment?

Interacting with the Formstack API v2 just got better with this new fstackapi_php library.

Here is a curation of the different technologies that power the web and the ones you should learn to make a living as a web developer