Karisse's personal tech blog, where she shares her learnings and experiences in software engineering.https://karissekhoo.dev/https://karissekhoo.dev/posts/vibe-coding-finally-clicked/https://karissekhoo.dev/posts/vibe-coding-finally-clicked/I tried vibe coding multiple times and kept walking away disappointed. The problem wasn't the tools — it was that I was applying a production standard to projects that didn't need one.Tue, 26 May 2026 00:00:00 GMThttps://karissekhoo.dev/posts/claude-code-hidden-cost/https://karissekhoo.dev/posts/claude-code-hidden-cost/Learn how to intercept Claude Code's HTTP requests with mitmproxy to uncover what's silently inflating your token costs — and how to fix it.Mon, 23 Feb 2026 00:00:00 GMThttps://karissekhoo.dev/posts/embracing-ai-assisted-engineering/https://karissekhoo.dev/posts/embracing-ai-assisted-engineering/An in-depth look at how I'm using AI-assisted engineering workflow with Claude Code and the D3 framework. Includes setup, examples, and reflections about the workflow.Sun, 25 Jan 2026 00:00:00 GMThttps://karissekhoo.dev/posts/parameters-that-influences-llm-response-outputs/https://karissekhoo.dev/posts/parameters-that-influences-llm-response-outputs/I experimented with LLM locally and uncovered how LLM behaves, and learnt how different parameters influence its response output.Sun, 21 Dec 2025 00:00:00 GMThttps://karissekhoo.dev/posts/building-a-go-test-runner-vscode-extension/https://karissekhoo.dev/posts/building-a-go-test-runner-vscode-extension/I had a painful process of running and debugging Go table-driven design tests the past few months. Now I can execute them with just one keystroke with a VS Code extension that I've built.Mon, 03 Nov 2025 00:00:00 GMThttps://karissekhoo.dev/posts/debugging-stuck-database-migration-mystery/https://karissekhoo.dev/posts/debugging-stuck-database-migration-mystery/My database migration hung for over an hour with no feedback. Here's what I did to uncover the hidden blocker and what I learnt while debugging stuck migrations.Tue, 23 Sep 2025 00:00:00 GMThttps://karissekhoo.dev/posts/simplifying-architecture-using-astro/https://karissekhoo.dev/posts/simplifying-architecture-using-astro/It’s been 4 years since I was active on my own personal portfolio site. Why did it take me so long to revive it? Well, my personal portfolio site was a mess — not because it didn’t look good, but because it had become a maintenance nightmare.Wed, 13 Aug 2025 00:00:00 GMThttps://karissekhoo.dev/posts/learning-go/https://karissekhoo.dev/posts/learning-go/After writing multiple “how-to” articles over the years, I stepped into a more reflective space. This time, I shared insights on how I’ve adapted my approach to picking up a new programming language, Go, after reflecting on the lessons I learned from my experience in learning Ruby 3 years ago. Thu, 16 Jan 2025 00:00:00 GMThttps://karissekhoo.dev/posts/how-we-optimise-gzip-file/https://karissekhoo.dev/posts/how-we-optimise-gzip-file/In this article, I've penned down some of our learnings where I share more about our challenges in ingesting a large Gzip JSON file at Ascenda, how we investigated the issue and solved them!Tue, 06 Aug 2024 00:00:00 GMThttps://karissekhoo.dev/posts/cors-policy/https://karissekhoo.dev/posts/cors-policy/Wanted to get a more in depth understanding of how CORS works under the hood. Wrote an article to share more about it as well as a hands-on walkthrough!Tue, 28 Jun 2022 00:00:00 GMThttps://karissekhoo.dev/posts/anomaly-detection-with-z-score/https://karissekhoo.dev/posts/anomaly-detection-with-z-score/I was given the opportunity at Ascenda to work with Grafana to achieve observability by detecting and triaging issues quickly. There are a variety of techniques that we can use to create an anomaly detection alert, one of which is z-score.Thu, 02 Jun 2022 00:00:00 GMThttps://karissekhoo.dev/posts/cicd-gh-actions/part2/https://karissekhoo.dev/posts/cicd-gh-actions/part2/A guide to deploying Microservices to AWS Elastic Container Registry (ECR) and AWS Elastic Container Service (ECS) Fargate with GitHub ActionsMon, 02 Aug 2021 00:00:00 GMThttps://karissekhoo.dev/posts/cicd-gh-actions/part1/https://karissekhoo.dev/posts/cicd-gh-actions/part1/A guide to develop a workflow engine to build and conduct automated testing on your microservicesTue, 01 Jun 2021 00:00:00 GMT