## Go City Engineering

Transforming the way people see and experience the world’s greatest destinations

### Articles

[**Measuring the Impact of AI on Engineering Teams: What other IT Teams Might be Experiencing**  
**How we track, govern, secure, and justify AI tools in the fast‑moving world of AI.**](https://medium.com/go-city/measuring-the-impact-of-ai-on-engineering-teams-what-other-it-teams-might-be-experiencing-b10ab45f6f8e)

[**Achieving Automated Zero-Downtime EKS Upgrades**  
**Over the last 3 years or so the Platform Team at Go City have made lots of significant and much needed improvements to our Kubernetes…**](https://medium.com/go-city/achieving-automated-zero-downtime-eks-upgrades-beb40337566b)

[**Code, Coffee and Creativity: Highlights from the 2025 Hackathon**  
**Introduction**](https://medium.com/go-city/code-coffee-and-creativity-highlights-from-the-2025-hackathon-ebef0860bc7f)

[**Testing Time In Java**  
**Have you ever wondered how to mock time in Java Spring Boot applications?**](https://medium.com/go-city/testing-time-in-java-be6c8faf0c27)

[**Fun with Flags Redux**  
**Way back in the murky mists of time (around the time of Trump’s first(!) presidential win) I wrote two articles about creating a country…**](https://medium.com/go-city/fun-with-flags-redux-730c0307ea49)

[**Using Prometheus Offset to alert based on gradient**  
**Our story**](https://medium.com/go-city/using-prometheus-offset-to-alert-based-on-gradient-4da395938d9b)

[**Micrometer Tracing with Retrofit**  
**Observability is one of our Engineering Principles at Go City and is built into our ways of working. Our goal is to know when there is a…**](https://medium.com/go-city/micrometer-tracing-with-retrofit-e931b8a83121)