Danny Teo Yong Song
Software Developer | Data Enthusiast | Tech Explorer
Software Developer | Data Enthusiast | Tech Explorer
Hello! I’m Danny Teo, a management consultant passionate about Information Technology. I am sharing my software development projects here. Feel free to connect with me. I might be able to assist if you need to develop customized software applications or organize your data management system for your organization.
For speaking, training, consulting, and a fuller professional profile, visit dannyteo.github.io.
These projects run in the browser — open them anytime without cloning a repo or installing dependencies.
More projects below are described in Projects; some are pipelines or repos without a public live URL.
PyTorch CNN for waste image classification: notebook experiments, saved weights, and a Streamlit app for inference on Streamlit Cloud.
View project →Unsupervised learning project using RFM features: KMeans baseline + GMM comparison, with segment profiling and recommended CRM actions.
View project →Supervised ML on official HDB resale data: train regressors, export a model bundle, Streamlit + optional Flask UI for indicative resale estimates.
View project →Streamlit-hosted practice quizzes: seven topics, random draws from a question bank; HTML/JS app bundled and shown in an embedded view.
View project →Qiskit circuit that models two fair six-sided dice: Aer simulation, Streamlit UI, and a standalone browser histogram matching the same statistics.
View project →Streamlit-hosted CISSP practice: eight domains, 2024 weights, CAT-style timer, full exam — HTML/JS quiz embedded in Streamlit.
View project →Streamlit app + Python API: web, email, and network safety checks with extended heuristics and PDF reports.
View project →Personal portfolio site on GitHub Pages: about, blog, project showcase, and contact.
View project →Full-stack accounting app for Singapore professional-services companies: clients, invoices, expenses, dashboard, and reports.
View project →Interactive Streamlit app to explore Singapore HDB resale data by town, flat type, and period.
View project →Personal web app to log and review daily activities across work, health, and learning.
View project →ELT pipeline: Olist CSV → BigQuery raw → dbt star schema, with Dagster orchestration and data quality checks.
View project →A web-based Library Management System with React + Spring Boot: book catalog, users/roles, borrowing workflow, and overdue tracking.
View project →Leave your email if you want a short note when a new project is added to this portfolio. Your address is used only for that purpose and is not shown on the site.
Submissions go to the site owner’s private inbox only. The first time you use FormSubmit, you may need to confirm your email address on their site. For automated “new project” emails to a mailing list, configure Resend + GitHub Actions in the repo README.
WhatsApp: Say Hi on WhatsApp
Email: teo_yongsong@yahoo.com.sg
GitHub: github.com/teoyongsong
LinkedIn: Linkedin.com/in/teoyongsong
Professional site: dannyteo.github.io (speaking, training, consulting)
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