Tommy Chung
Full-Stack AI Developer
Based in Toronto, Canada. Senior Data Science Engineer at Robots and Pencils. Passionate about Generative AI, Web Development, and building scalable solutions.
Experience
Robots and Pencils ULC
June 2024 – CurrentSenior Data Science Engineer•🇨🇦 Canada
- Innovate with Generative AI and Agentic AI for client in educational technology
- Develop Conversational Simulation Solution with OpenAI GPT 4o, Vercel AI SDK, React Router and Koa.js
- Participant in development of in-house semantic search engine, LLMOps solution adoption
Caribou Technology Limited
Aug 2023 – June 2024Lead Developer•🌐 Freelance / Remote
- Lead system design and development for client-facing applications
- Implement Next.js apps with Vercel, AWS EventBus, AWS Lambda, orchestrated with SST.dev
- Design and build chatbot system with GPT4, Claude3, LangChain
Mad Head App Limited
June 2022 – June 2023Senior Programmer•🇭🇰 Hong Kong
- Maintained internal game configuration tools with React and MUI
- Built campaign apps serving 400k users with Koa.js, MongoDB, GCP Cloud Function
- Modernized dev tools, reducing start time by ~60% and CI/CD time by ~50%
PrimeCredit
April 2021 – April 2022Data Scientist•🇭🇰 Hong Kong
- Built chatbot and NLP projects with Python, Pytorch and Hugging Face
- Revamped Customer Data Platform, saving ~CAD$175k per year using n8n and MariaDB
- Coached junior colleagues and promoted innovation culture
DataTech.ai
June 2019 – April 2021Data Scientist•🇭🇰 Hong Kong
- Developed Topic Mining System for popular forum with Next.js, Python, FastAPI
- Built Data Solution/ETL Pipeline for Cosmetic/Retail client
- Analysed Customer Data and made recommendations on business strategies
Projects
Skills
Languages & Frameworks
JavaScriptTypeScriptNode.jsReact.jsNext.jsReact RouterReact NativeExpressJSKoa.jsPythonPandas
Databases
MySQLPostgresqlMongoDBMariaDBD1 (SQLite)
Cloud & Infrastructure
AWS (CDK, SQS, S3...)SST.devDockerKubernetesGCP Cloud FunctionCloudflare
Tools
GitVerceln8nExpoHasura (GraphQL)