Singaporean / M.Comp CS @ NUS

Ibuildwhatworks,wherevertheworkleads.

AI Engineering and Data Science Consultant at Kyndryl, with roots in full-stack development and enterprise banking systems. This portfolio is a record of the systems, tools, and ideas I'm exploring along the way.

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capability map

Capability

AI Systems Engineering

Production AI apps, enterprise workflows, and deployment discipline.

Capability

Agentic Workflows

Tool-using agents, multi-step orchestration, and practical automation.

Capability

Retrieval Systems

RAG, GraphRAG, vector search, and hybrid lexical-semantic retrieval.

Capability

ML Systems

Model evaluation, inference pipelines, MLOps, and explainability.

Study

Applied Deep Learning

Deep learning, AI coursework, and systems-level academic grounding.

Practice

AI Transformation

Education, adoption, stakeholder translation, and product judgment.

Read capability noteshover to pause

Selected work

Indie Hacking Moments

A small set of systems and prototypes across applied AI, product engineering, and full-stack delivery.

Project 01

NUS MarketPlace - IT5007 Final Project

NUS MarketPlace is a full-stack NUS-only marketplace for students to buy and sell campus essentials securely. Built with React, Node.js, GraphQL, PostgreSQL, Prisma, Docker, and Stripe, it delivers verified authentication, searchable listings, payments, and campus-based discovery. Its standout feature is an AI vision model powered by local llava:7b, which turns uploaded item photos into ready-to-use listing details such as title, description, category, condition, and price, making selling faster, smarter, and privacy-friendly.

DockerHuggingFaceNextJSVercelViteTypeScript

Code Demo

Project 02

AI Code Reviewer

Pull Request Code Reviewer powered by Llama 3.1B and GROQ AI Interpreter. It leverages version control and history, with code editing seamlessly offloaded to Bitbucket. UOB GBT Hackathon 2024 First Runner Up

FlaskPythonVercelNextJSTypeScript

Code Demo

Project 03

CoCreate

AI-powered tool for optimizing and splitting social media content. Built with Next.js, Supabase, and Tailwind CSS, it refines text for platform limits with real-time feedback and Google OAuth.

PythonFastAPIHuggingFaceLangchainNextJS

Code Demo

Project 04

Personal Website V2

Personal portfolio website built with Next.js and deployed on Vercel, featuring Shadcn UI components and Tailwind CSS for sleek styling, and integrated with Notion CMS for seamless, code-free content updates anytime, anywhere; created to deliver a dynamic, easily maintainable online presence.

NotionNextJSShadcnTailwindcssTypeScript

Demo

Project 05

RAG Health Chatbot: Podcast-Powered LLM for Targeted Health Advice

Discover Eva Health, your intelligent health assistant that draws wisdom from the world’s best online podcasts. Powered by a cutting-edge Retrieval Augmented Generation (RAG) engine, Eva instantly fetches expert health advice, practical tips, and science-backed guidance across specialized categories—including Neurology, Optometry, Cardiovascular wellness, Fitness, Self-Help, and General Wellbeing. Whether you want to optimize your brain, care for your eyes, or boost your everyday health, Eva delivers trusted answers and curated recommendations—direct from the podcast voices you admire. Your shortcut to smarter living, backed by the latest in AI and health science.

ChromaDBDockerFastAPIHuggingFaceLangchain

Code Demo

Project 06

Studentecho.com

A completed project showcasing elegant UI/UX, property listings, feature pages, and contact functionality. The client later assumed licensing and maintenance, and it is no longer managed by our team.

AWSNextJSTypeScriptTailwindcss

Demo

Project 07

InnovPay Banking Web Application

InnovPay, Frontend Proof of Concept of a currency exchange saving app for UOB capstone 1

ReactNodeJSJavaScriptGitMaterialUI

Code Demo

Project 08

Banking CLI Terminal

A robust Java CLI banking app with Oracle integration, featuring secure registration, authentication, and transaction management for UOB Capstone 2.

JavaOracleLinuxGithubSpringboot

Code Demo

Project 09

Banking Mgt System using Java Spring Boot

A simple banking management system for UOB Capstone 3, built with Java Spring Boot. It enables bankers and tellers to transfer funds, process withdrawals and deposits, and manage account statuses such as freezing or termination.

JavaSpringbootOracleGithubHTML

Code

Project 10

Personal Website V1

Personal Portfolio V1 – Built from scratch using Figma, Vite, JavaScript, TailwindCSS and ReactJS.

JavaScriptTypeScriptReactTailwindcssVite

Code Demo

Contact

Useful work starts with a clear problem.

I am open to applied AI, product engineering, and technical collaboration where the goal is concrete: ship something useful, reliable, and understandable.

Emailliawjianwei@outlook.comopenLinkedInliawjianweiopenGitHubJianwei07open