Hi, my name is

Low Ren Hwa.

AI Engineer

I build agentic AI systems and the infrastructure that runs them.

View my workGet in touch

01. About

I'm an AI Engineer focused on agentic workflows, LLM infrastructure and automation. At Carro I design systems that handle tens of thousands of support tickets a month while keeping costs low.

Outside work I run a self-hosted homelab of AI agents, and I climb, cook and play guitar.

Off the clock

  • ▹Rock climbing
  • ▹Cooking
  • ▹Guitar

02. Experience

  1. AI Engineer

    @ Carro

    Aug 2025 — Present

    Built 12 agentic workflows handling 60k+ support tickets a month, cutting LLM costs by ~80%. Designed Carro's AI infrastructure on GCP with LiteLLM + Langfuse, and shipped n8n automations that drove ~30% revenue growth.

  2. AI Engineer

    @ AI Singapore

    2024 — 2025

    Worked on generative AI for 3D character animation from text — PyTorch diffusion models and multimodal video LLMs.

  3. Research Assistant

    @ NIE (Nanyang Technological University)

    2023 — 2024

    Research on speaker diarization and automatic speech recognition using NVIDIA NeMo.

  4. Machine Learning Intern

    @ Singapore Dept. of Statistics

    2023 — 2023

    Built LLM-powered tooling with LangChain and GPT-3.5 for statistical data workflows.

  5. Database Admin Intern

    @ Tessaract.io

    2022 — 2022

    Wrote PL/pgSQL for data pipelines and managed 300k+ records.

03. Tech I use

Languages

  • Python
  • TypeScript
  • SQL

Backend & Tools

  • FastAPI
  • Django
  • Docker
  • Bash
  • n8n
  • Git

AI / LLM

  • LangChain
  • LangGraph
  • Google ADK
  • Langfuse
  • LiteLLM
  • PyTorch

Cloud & Infra

  • GCP
  • Azure
  • Terraform
  • AWS

04. Projects

Kanta

A film-camera app that brings the analog shooting experience to your phone.

  • FastAPI
  • Azure
  • AWS Lambda
  • Python

Echo

An LLM digital clone fine-tuned to talk like you.

  • LLaMA 3
  • Gemma 3
  • Unsloth
  • FastAPI
  • AWS S3

Homelab & Agent Fleet

A self-hosted platform running a fleet of Telegram AI agents.

  • Docker
  • Dokploy
  • Traefik
  • n8n
  • Tailscale

05. Get in touch

I'm always happy to talk about AI systems, infrastructure, or a good climb. My inbox is open.

Say hello