AI / Data Science Tech Lead Who Helps You Build The Future.https://cheeyeelim.com/enhttps://cheeyeelim.com/blog/first-aws-certification/https://cheeyeelim.com/blog/first-aws-certification/New badge unlocked: AWS Certified Solutions Architect – Associate 🎉Fri, 09 Oct 2026 00:00:00 GMTawscloud-deploymentcontinuous-learninghttps://cheeyeelim.com/blog/llm-assisted-hdb-resale-app-rewrite/https://cheeyeelim.com/blog/llm-assisted-hdb-resale-app-rewrite/After 20 minutes of spec-driven project initialisation + 20 hours of LLM-assisted manual review, I finally managed to fully rewrite and redeploy my web app on HDB resale pricing…Fri, 01 May 2026 00:00:00 GMTcloud-deploymentdata-sciencellmhttps://cheeyeelim.com/blog/agentic-assisted-coding-dos-and-donts/https://cheeyeelim.com/blog/agentic-assisted-coding-dos-and-donts/3 ways that I use agentic-assisted codingMon, 23 Mar 2026 00:00:00 GMTagentic-aicloud-deploymentsoftware-engineeringhttps://cheeyeelim.com/blog/agent-first-coding-approach/https://cheeyeelim.com/blog/agent-first-coding-approach/After testing out my first agentic coding IDE using Google Antigravity, I truly feel that this is a tool that will fundamentally change how software engineers work.Sun, 25 Jan 2026 00:00:00 GMTagentic-aicloud-deploymentsoftware-engineeringhttps://cheeyeelim.com/blog/open-weight-cv-genai-models-flux-2/https://cheeyeelim.com/blog/open-weight-cv-genai-models-flux-2/On the front of generative AI for computer vision, there have been a lot of discussions on the more popular models like Nano Banana 2.Sun, 30 Nov 2025 00:00:00 GMTdata-sciencegenerative-modelhttps://cheeyeelim.com/blog/vibe-coding-and-vibe-graphic-design/https://cheeyeelim.com/blog/vibe-coding-and-vibe-graphic-design/I had always watched the vibe coding debates from the side line.Mon, 24 Nov 2025 00:00:00 GMTagentic-aidata-sciencegenerative-modelhttps://cheeyeelim.com/blog/the-commercial-side-of-open-source-software/https://cheeyeelim.com/blog/the-commercial-side-of-open-source-software/In most current technology stack, there is a critical open source software somewhere that the stack relies on.Wed, 19 Nov 2025 00:00:00 GMTcloud-deploymentsoftware-engineeringhttps://cheeyeelim.com/blog/data-science-dashboard-web-app-alternatives/https://cheeyeelim.com/blog/data-science-dashboard-web-app-alternatives/Whenever I need to build a dashboard, I have always relied on a mix of Python-based libraries (e.g. Dash, Streamlit) and commercial software (e.g. Tableau, PowerBI).Sun, 09 Nov 2025 00:00:00 GMTdata-sciencemlopsproduction-deploymenthttps://cheeyeelim.com/blog/career-quoridor/https://cheeyeelim.com/blog/career-quoridor/Managing your career is like playing a game of Quoridor.Sun, 02 Nov 2025 00:00:00 GMTcareer-developmentcareer-happinessdata-sciencehttps://cheeyeelim.com/blog/some-closing-thoughts-on-kubernetes/https://cheeyeelim.com/blog/some-closing-thoughts-on-kubernetes/Sharing the services and associated configurations I used to set up the Kubernetes backend powering my personal stack. In case the design is useful to others.Sun, 26 Oct 2025 00:00:00 GMTcloud-deploymentdata-sciencemlopshttps://cheeyeelim.com/blog/onto-kubernetes-part-5/https://cheeyeelim.com/blog/onto-kubernetes-part-5/I really liked the Bitnami’s Helm charts and Docker images repositories, at least until they decided to make their images paid access only.Mon, 20 Oct 2025 00:00:00 GMTcloud-deploymentdata-sciencemlopshttps://cheeyeelim.com/blog/onto-kubernetes-part-4/https://cheeyeelim.com/blog/onto-kubernetes-part-4/With the Prometheus-Loki-Grafana stack being deployed, the observability stack has been fully deployed on the Kubernetes cluster. Operational metrics gathered by Prometheus and…Mon, 05 May 2025 00:00:00 GMTcloud-deploymentdata-sciencemlopshttps://cheeyeelim.com/blog/onto-kubernetes-part-3/https://cheeyeelim.com/blog/onto-kubernetes-part-3/I am still working on the Kubernetes stack behind my personal website whenever I have some free time.Thu, 30 Jan 2025 00:00:00 GMTcloud-deploymentdata-sciencemlopshttps://cheeyeelim.com/blog/owning-your-career-as-a-data-scientist/https://cheeyeelim.com/blog/owning-your-career-as-a-data-scientist/It is the time of the year again when people start to reflect on the past year and plan for the year ahead.Wed, 18 Dec 2024 00:00:00 GMTcareer-developmentcareer-happinessdata-sciencehttps://cheeyeelim.com/blog/data-science-profit-centre-vs-cost-centre/https://cheeyeelim.com/blog/data-science-profit-centre-vs-cost-centre/Have you ever wondered how can we justify the business values created by data science? Is there any difference between a profit centre setup (i.e. client/stakeholder funded) for…Tue, 10 Dec 2024 00:00:00 GMTdata-scienceroistrategyhttps://cheeyeelim.com/blog/brief-review-on-github-copilot/https://cheeyeelim.com/blog/brief-review-on-github-copilot/Time really does fly. It is now almost the end of 2024.Mon, 02 Dec 2024 00:00:00 GMTdata-sciencellmsoftware-engineeringhttps://cheeyeelim.com/blog/onto-kubernetes-part-2/https://cheeyeelim.com/blog/onto-kubernetes-part-2/About 2 months ago, I started migrating my entire personal stack onto Kubernetes from regular virtual servers.Sun, 06 Oct 2024 00:00:00 GMTcloud-deploymentdata-sciencemlopshttps://cheeyeelim.com/blog/technical-debt-vs-mortgage-a-data-science-homeowners-guide/https://cheeyeelim.com/blog/technical-debt-vs-mortgage-a-data-science-homeowners-guide/(I used chatGPT to help me make the written content more "engaging" and "LinkedIn-like", so keeping the 2 versions below for comparison purpose.)Thu, 26 Sep 2024 00:00:00 GMTdata-sciencemlopssoftware-engineeringhttps://cheeyeelim.com/blog/onto-kubernetes/https://cheeyeelim.com/blog/onto-kubernetes/I have always been told that using Kubernetes is too complex and overkill for most purposes.Wed, 31 Jul 2024 00:00:00 GMTcloud-deploymentdata-sciencesoftware-engineeringhttps://cheeyeelim.com/blog/3-micro-learnings-over-the-weekend/https://cheeyeelim.com/blog/3-micro-learnings-over-the-weekend/3 micro learnings over this weekend :Tue, 11 Jun 2024 00:00:00 GMTdata-engineeringdata-scienceproduction-deploymenthttps://cheeyeelim.com/blog/new-additions-to-family-traefik-and-airflow/https://cheeyeelim.com/blog/new-additions-to-family-traefik-and-airflow/Added Traefik and Airflow to the family of services behind my personal websites.Sat, 10 Feb 2024 00:00:00 GMTcloud-deploymentdata-sciencesoftware-engineeringhttps://cheeyeelim.com/blog/fire-planner/https://cheeyeelim.com/blog/fire-planner/Built a new dashboard to help you plan financially for your potential FIRE (financial independence retire early).Mon, 18 Dec 2023 00:00:00 GMTdata-scienceproduction-deploymentsoftware-engineeringhttps://cheeyeelim.com/blog/excel-office-scripts/https://cheeyeelim.com/blog/excel-office-scripts/If you have worked with Excel automation in the past, you may have painful memories working with complex Excel functions or VBA codes.Mon, 13 Nov 2023 00:00:00 GMTautomationdata-scienceexcelhttps://cheeyeelim.com/blog/infrastructure-and-framework-behind-my-personal-websites/https://cheeyeelim.com/blog/infrastructure-and-framework-behind-my-personal-websites/I decided to set up my own website at the end of 2020.Mon, 13 Nov 2023 00:00:00 GMTdata-scienceproduction-deploymentsoftware-engineeringhttps://cheeyeelim.com/blog/makefile/https://cheeyeelim.com/blog/makefile/A small titbit to share today, the Makefile.Mon, 13 Nov 2023 00:00:00 GMTdata-scienceproduction-deploymentsoftware-engineeringhttps://cheeyeelim.com/blog/rocket-league-reinforcement-learning-bot/https://cheeyeelim.com/blog/rocket-league-reinforcement-learning-bot/As a passionate gamer, I have been reading about the Rocket League Nexto cheat situation with keen interest…Mon, 13 Nov 2023 00:00:00 GMTdata-sciencemachine-learningreinforcement-learninghttps://cheeyeelim.com/blog/timeline-of-llm/https://cheeyeelim.com/blog/timeline-of-llm/"Classic quant signals might work, but you can’t explain them; ChatGPT might not work, but it can explain itself.Mon, 13 Nov 2023 00:00:00 GMTdata-sciencellmmachine-learninghttps://cheeyeelim.com/blog/data-science-solution-build-vs-buy/https://cheeyeelim.com/blog/data-science-solution-build-vs-buy/Many data scientists are working in companies with less advanced technology infrastructure.Mon, 30 Jan 2023 00:00:00 GMTdata-scienceroistrategyhttps://cheeyeelim.com/blog/data-scientist-consulting/https://cheeyeelim.com/blog/data-scientist-consulting/A very accurate and vivid description of being a data scientist in a consulting context.Mon, 30 Jan 2023 00:00:00 GMTconsultingdata-scienceskill-gapshttps://cheeyeelim.com/blog/delegating-chatgpt-stable-diffussion/https://cheeyeelim.com/blog/delegating-chatgpt-stable-diffussion/This week, I am jumping on the bandwagon by delegating the task of creating my LinkedIn post to chatGPT (for text) and Stable Diffusion (for image) with the following prompts.Mon, 30 Jan 2023 00:00:00 GMTcareer-planningdata-sciencemachine-learninghttps://cheeyeelim.com/blog/soft-skill-plus-one-mindset/https://cheeyeelim.com/blog/soft-skill-plus-one-mindset/Recently I reflected on my professional career on things that I have done differently earlier on in my career versus now.Mon, 30 Jan 2023 00:00:00 GMT1-mindsetcareer-developmentdata-sciencehttps://cheeyeelim.com/blog/things-they-didnt-teach-you-software-engineering/https://cheeyeelim.com/blog/things-they-didnt-teach-you-software-engineering/Whenever you feel disillusioned about the mismatch in promises between what you were taught in university/bootcamp versus what you actually worked on in a job.Mon, 30 Jan 2023 00:00:00 GMTdata-sciencesoftware-engineeringtechnical-advicehttps://cheeyeelim.com/blog/state-ds-survey-ananconda-skill-gaps/https://cheeyeelim.com/blog/state-ds-survey-ananconda-skill-gaps/According to the State of Data Science survey done by Anaconda, the top 5 most important skill gaps in data science are:Tue, 29 Nov 2022 00:00:00 GMTdata-scienceskill-gapsunicornhttps://cheeyeelim.com/blog/illustrated-stable-diffusion/https://cheeyeelim.com/blog/illustrated-stable-diffusion/If you are interested in knowing how Stable Diffusion generates amazing AI arts, but are put off by the steep technical details,Tue, 22 Nov 2022 00:00:00 GMTdata-sciencegenerative-modelmachine-learninghttps://cheeyeelim.com/blog/short-review-designing-machine-learning-system/https://cheeyeelim.com/blog/short-review-designing-machine-learning-system/I have finally finished “Designing Machine Learning Systems” after a few weekends of focus reading. It is one of the rare technical books that I finished in its entirety, and I…Tue, 15 Nov 2022 00:00:00 GMTdata-sciencemachine-learningmlopshttps://cheeyeelim.com/blog/automatic-speech-recognition-whisper/https://cheeyeelim.com/blog/automatic-speech-recognition-whisper/Whisper is a recently released transformer-based automatic speech recognition (ASR) model from OpenAI.Tue, 08 Nov 2022 00:00:00 GMTdata-sciencemachine-learningspeech-recognitionhttps://cheeyeelim.com/blog/data-versioning/https://cheeyeelim.com/blog/data-versioning/“Data versioning is like flossing. Everyone agrees it’s a good thing to do, but few do it.” Chip Huyen, Designing Machine Learning SystemsTue, 01 Nov 2022 00:00:00 GMTdata-sciencedata-versioningmachine-learninghttps://cheeyeelim.com/blog/concept-data-covariate-drift/https://cheeyeelim.com/blog/concept-data-covariate-drift/Do you always get confused among concept drift vs data drift vs covariate drift like me?Tue, 25 Oct 2022 00:00:00 GMTconcept-driftdata-sciencemachine-learninghttps://cheeyeelim.com/blog/mlu-explain-visual-explanation-ml-concepts/https://cheeyeelim.com/blog/mlu-explain-visual-explanation-ml-concepts/A very cool website from Amazon that explains various machine learning concepts using interactive and visual essays.Tue, 18 Oct 2022 00:00:00 GMTdata-scienceeducationvisual-explanationhttps://cheeyeelim.com/blog/ml-system-design-problem-definition-consulting/https://cheeyeelim.com/blog/ml-system-design-problem-definition-consulting/I recently started reading the excellent book called Designing Machine Learning Systems by Chip Huyen.Mon, 10 Oct 2022 00:00:00 GMTconsultingdata-sciencemachine-learningmlopshttps://cheeyeelim.com/blog/happiness-equation/https://cheeyeelim.com/blog/happiness-equation/(Image source: https://twitter.com/aurelien\gohier/status/1062248485154705408))Sun, 02 Oct 2022 00:00:00 GMTcareer-happinessmental-healthpositive-psychologyhttps://cheeyeelim.com/blog/midpoint-review-m6-competition-results/https://cheeyeelim.com/blog/midpoint-review-m6-competition-results/As a quick follow-up to my last post on the midpoint review of M6 competition, I have looked into the actual performance statistics of my entries in the first half of the…Sat, 06 Aug 2022 00:00:00 GMTforecastingm6-competitionportfolio-optimisationtime-serieshttps://cheeyeelim.com/blog/midpoint-review-m6-competition/https://cheeyeelim.com/blog/midpoint-review-m6-competition/With the ending of June, it is now the halfway point of M6 competition. It may be a good time to do a quick review of my progress and learnings from the M6 competition so far.Sat, 16 Jul 2022 00:00:00 GMTforecastingm6-competitionportfolio-optimisationtime-serieshttps://cheeyeelim.com/blog/a-beginner-guide-to-the-folder-structure-generated-by-cookiecutter-pypackage/https://cheeyeelim.com/blog/a-beginner-guide-to-the-folder-structure-generated-by-cookiecutter-pypackage/cookiecutter-pypackage offers a very well equipped standard project template to create a Python package. However for many first time users, the automatically generated folder…Fri, 11 Feb 2022 00:00:00 GMTcookiecutterpython-packagehttps://cheeyeelim.com/blog/trying-to-use-cookiecutter-pypackage-and-ended-up-contributing-to-it/https://cheeyeelim.com/blog/trying-to-use-cookiecutter-pypackage-and-ended-up-contributing-to-it/cookiecutter-pypackage provides an amazing framework to develop a Python package with. The original version (https://github.com/audreyfeldroy/cookiecutter-pypackage) has been…Thu, 10 Feb 2022 00:00:00 GMTcookiecutternatural-language-processingpython-packagehttps://cheeyeelim.com/blog/loading-child-css-style-in-wordpress/https://cheeyeelim.com/blog/loading-child-css-style-in-wordpress/If you are a Wordpress newbie and wanted to add your own CSS styles onto an existing Wordpress theme using child template like me, you may also be following the instruction on…Wed, 02 Feb 2022 00:00:00 GMTcssmini-hurdlephpwordpresshttps://cheeyeelim.com/blog/comparing-eda-libraries/https://cheeyeelim.com/blog/comparing-eda-libraries/I have tested and reviewed a few Python packages for data processing and/or exploratory data analysis (EDA). Most of these packages attempt to automate parts of the data processing…Sat, 29 Jan 2022 00:00:00 GMTdata-processingexploratory-data-analysishttps://cheeyeelim.com/blog/comparing-time-series-machine-learning-libraries/https://cheeyeelim.com/blog/comparing-time-series-machine-learning-libraries/I have tested and reviewed a few Python packages for time-series data analysis, mostly on forecasting. Most of these packages are one-stop shop machine learning packages, with some…Sat, 29 Jan 2022 00:00:00 GMTautomlmachine-learningmodellingtime-series