Chatbot Terminal OS

Hello, I'm Marcus Liang.

Interact with the chatbot terminal below to learn more about my stack, or drag it around the screen!

visitor@portfolio ~ bash
Portfolio OS v2.0.0
Welcome to my Personal Site!
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Next.js 14.0 • Max 20x
~/users/marcus/portfolio
Recent activity
11 MayStarted a new Intern at PhillipCapital
...→ "experience" for more
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↳ Or just ask the AI: "What did Marcus do at Shopee?"
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visitor@portfolio:~$
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Experience

PhillipCapital Logo

Business Analyst Intern

PhillipCapital

May 2026 – Jul 2026
RPA AutomationAI IntegrationBusiness AnalyticsFinancial Services

Key Responsibilities

  • Developing an AI-integrated RPA framework to not only automate standard reporting but also parse data to extract actionable business insights.
  • Spearheading integration of mainstream AI tools with UiPath workflows, transforming static reports into dynamic, insight-driven analytics while saving up to 8 man-hours per reporting cycle.

Technologies Used

Tools: UiPath, AI Models, Automation Frameworks

X-Star Technology Logo

Data Scientist Intern

X-Star Technology

Dec 2024 – Dec 2025
Machine LearningPythonSQLData VisualizationFinTechFinancial Services

Key Responsibilities

  • Engineered predictive repayment models using Random Forest and XGBoost to identify loaner's patterns and flag high-risk accounts, improving loan recovery efficiency.
  • Included in developing machine learning models to analyse financial and behavioural data for credit risk assessment, increasing automated approval rates by ~80%; collaborated with cross-functional teams in Beijing.
  • Architected interactive Power BI dashboards visualise repayment performance and track KPIs for dealer network, supporting decision-making.
  • Executed financial Vintage Analysis grouped by Months on Books (MOB) to evaluate long-term loan performance and forecast future outcomes, such as early settlements.

Technologies Used

Languages: Python, SQL, JavaScript

Tools: MySQL Server, VS Code, Excel, Lark

Shopee Logo

Cross-Border E-Commerce Intern

Shopee

Sep 2020 – Feb 2021
PythonSQLData VisualizationE-Commerce

Key Responsibilities

  • Automated key operational processes using Google Sheets and email notifications, reducing manual workload by up to 10 hours per week.
  • Developed and implemented SQL queries to extract and analyse critical sales data, empowering data-driven decisions on customer behaviour and sales trends.
  • Conducted in-depth analysis of monthly sales data to uncover trends and visualise insights through dynamic dashboards.

Technologies Used

Languages: Python, SQL, JavaScript

Tools: In-house query system, Google Sheets

Education

National University of Singapore Logo
Aug 2023 - Dec 2026

National University of Singapore

B.Sc. Business Analytics (Honours)

Specialization: Machine Learning.
Relevant Coursework: BT4221 Advanced Analytics with Big Data Technologies, BT4240 Machine Learning for Predictive Data Analytics, BT3017 Feature Engineering for Machine Learning, CS2040 Data Structures and Algorithms.

Ngee Ann Polytechnic Logo
Apr 2018 - May 2021

Ngee Ann Polytechnic

Diploma with Merit in Financial Informatics

Specialization: Financial Analytics.
Relevant Coursework: Deep Learning, Predictive Analytics, Applied Analytics.

Projects

Agentic Healthcare Analytics

Jan 2026 - Apr 2026

LangGraphDuckDBClinicalBERTSQLLLM OrchestrationFAISS
View Case Study
Agentic Healthcare Analytics

The Challenge

Clinical experts often face significant delays when trying to validate medical hypotheses because they rely heavily on specialized data engineers to query and extract information from complex, highly-regulated healthcare databases.

The Result

Created an auditable, transparent analytics assistant that empowers clinicians to rapidly explore health data. This drastically reduces the turnaround time for hypothesis testing while preserving data security and exposing the analytical path for clinical review.

Skills Summary

🧠Generative AI & Deep Learning

LangChain, LangGraph, FAISS (Vector Stores), PyTorch, Ollama, OpenAI, Prompt Engineering

🤖Machine Learning

Supervised & Unsupervised Learning (Random Forest, XGBoost, Clustering), Scikit-learn, Model Validation (PSI)

🚀Deployment & Model Serving

Docker, FastAPI, Flask, MLFlow, DataOps, DevOps, GitHub (Version Control)

💻Programming Languages & Runtimes

Python, SQL (MySQL), Java, C#, R, JavaScript, Node.js

🗄️Data Engineering & Cloud

Databricks, Apache Spark, AWS, Snowflake, ETL Pipelines

📊Data Analytics & BI

Pandas, NumPy, Power BI (DAX), Tableau, Matplotlib, Vintage Analysis

⚙️Automation & Tools

UiPath, Advanced Excel

💡Core Competencies

Analytical Problem-Solving, Continuous Learning, Adaptability, Communication, Teamwork, Time Management

Let's Connect.

I am always open to discussing data strategy, open-source projects, or the latest in cloud tech. Feel free to reach out via LinkedIn or email me 😀