AI agents · finance systems · data engineering

Hi, I'm Sim Sze Yu.
I make ideas
executable.

AI-native builder working across data engineering, finance systems, and agentic workflows.

Explore work Hackathons Contact

Sze Yu OSidentity

4 core areas

AI-native builder

FocusAI agents, finance systems, data engineering

BaseComputer Science, Universiti Malaya

ModeWorkflow-first product builder

practical software

What I build

AgentsRAG, MCP tools, orchestration

FinanceMarket data, backtesting, decision support

DataETL pipelines, quality, cloud workflows

18 hackathons

Proof of work

UM DatathonChampion, Bitcoin quant strategy

Alibaba Cloud2nd Runner Up, FundSight AI

KitaHackFinance planner and Medimate

Medium notes

Writing loop

Pydantic AIAgent development guide

AI workflowHow to get more out from AI

CI/CDuv cache and GitHub Actions notes

Scroll state01 / 04

Featured work

Selected builds.

Scroll through the work, hover a line, then open the project page for the full proof.

01Agentic AI / QuantVibe QuantOpen 02AI SystemsAgentic AI / MCP SystemsOpen 03Quant / DataUM Datathon Bitcoin StrategyOpen

Capabilities

Capability stack.

Scroll through four lanes. Each card peels away into the next working mode.

Lane 01

LLM Agents

Agentic AI

Building autonomous agents that reason, use tools, maintain memory, and produce validated structured outputs.

Toolchain

LLM AgentsMCPPydanticAIRAGQdrant

Proof

Vibe Quant / Pydantic AI writing

Lane 02

Airflow

Data Engineering

Production pipelines, warehouse architecture, and data quality systems built to survive 3am incidents.

Toolchain

AirflowSnowflakedbtKubernetesOSS / S3

Proof

Ryt Bank / YTL AI Labs

Lane 03

Backtesting

Quant & Finance

Systematic research, signal design, backtesting infrastructure, and market reasoning systems.

Toolchain

BacktestingMarket DataStock MetricsSignalsExpert Systems

Proof

Vibe Quant / UM Datathon

Lane 04

Next.js

Product & Web

Full-stack delivery from FastAPI backends to Next.js frontends — whatever it takes to ship.

Toolchain

Next.jsReactTypeScriptTailwindFastAPI

Proof

Hackathon products / Portfolio system

Career.

Roles behind the work: product delivery, AI systems, data workflows, and leadership.

Download CV

01Ryt BankJul 2025 — Jan 2026
Data Engineer Intern
Built and maintained data pipeline workflows across orchestration, cloud storage, warehouse integration, and CI/CD validation.
02GDGoC Universiti MalayaOct 2024 — Jul 2025
Technical Advisor
Advised GenAI, ML, CyberSec, and Developer teams while helping technical leads turn club initiatives into working delivery plans.
03YTL AI LabsApr 2025 — Jun 2025
Data Intern (Part Time)
Wrote web data crawling scripts and used LLM-assisted workflows to generate synthetic data for ILMU, a Malaysia-based LLM.
04EmbeddedLLMJul 2024 — Sep 2024
AI Fullstack Developer Intern
Built practical GenAI application experience across LLM-based systems, product surfaces, and supporting infrastructure.
05Programming League National 2024Jan 2024 — May 2024
Director
Directed a national programming competition and built operating discipline across logistics, technical coordination, and participant experience.
06Techtics Solutions Sdn BhdApr 2022 — Jun 2022
Software Engineer Intern
Gained practical exposure to blockchain, decentralised finance systems, and professional software development workflows.