Senior Software Developer and Engineer Finn Christiansen Hamburg

I am Finn Christiansen, a Senior Software Developer and Cloud Engineer in Hamburg. Discover my innovative solutions and professional journey.

Technologies

Node.js
AWS
Lambda
Express.js
Terraform
CDK

Posts

How to gracefully shutdown express.js with background processes

Failing to gracefully shut down a server or application can lead to a range of issues, from data corruption due to interrupted database transactions to resource leaks caused by improperly closed connections. Incomplete shutdowns can also leave behind temporary files or stalled async processes, degrading performance and causing inconsistencies upon restart. Implementing a robust shutdown process, including draining queues and stopping background tasks, is essential for maintaining system stability and ensuring smooth recoveries

Pomodoro Timer Script for Mac

In this post, I share a simple Pomodoro timer script for Mac that helps you stay productive by forcing breaks and muting distractions like music. The script is designed to automatically pause Spotify, mute system sounds, and lock your screen when time is up, all with minimal setup. It’s a free, customizable alternative to paid productivity apps, making it easier to focus and take regular breaks.

Practical guide to POSIX signals in TypeScript

POSIX signals are essential for managing processes in Unix-based systems, allowing the OS to send instructions like termination or interruption. Understanding signals like SIGINT, SIGTERM, and SIGKILL ensures graceful shutdowns and resource cleanup in environments like Docker or Kubernetes. Proper handling prevents issues from forced terminations, helping developers build more resilient applications.

Contact

You can reach me at

finn@finnchristiansen.com