Looks like you have JavaScript disabled. For the full Twine experience, you will need to re-enable it.

I am a full-stack software engineer specializing in AI-powered applications, with hands-on experience building production-ready systems using React, Node.js, PostgreSQL, and Python. I enjoy turning complex problems into scalable, delightful user experiences. I have a track record of integrating LLMs with domain-specific engines such as KataGo to deliver interactive coaching, analysis, and decision-support features, and I thrive in collaborative environments that push the boundaries of technology to solve real customer needs.…I am a full-stack software engineer specializing in AI-powered applications, with hands-on experience building production-ready systems using React, Node.js, PostgreSQL, and Python. I enjoy turning complex problems into scalable, delightful user experiences. I have a track record of integrating LLMs with domain-specific engines such as KataGo to deliver interactive coaching, analysis, and decision-support features, and I thrive in collaborative environments that push the boundaries of technology to solve real customer needs.

Zetphy Deng

Web Developer, Front-End Developer, Back-End Developer, +4





I am a full-stack software engineer specializing in AI-powered applications, with hands-on experience building production-ready systems using React, Node.js, PostgreSQL, and Python. I enjoy turning complex problems into scalable, delightful user experiences. I have a track record of integrating LLMs with domain-specific engines such as KataGo to deliver interactive coaching, analysis, and decision-support features, and I thrive in collaborative environments that push the boundaries of technology to solve real customer needs.…I am a full-stack software engineer specializing in AI-powered applications, with hands-on experience building production-ready systems using React, Node.js, PostgreSQL, and Python. I enjoy turning complex problems into scalable, delightful user experiences. I have a track record of integrating LLMs with domain-specific engines such as KataGo to deliver interactive coaching, analysis, and decision-support features, and I thrive in collaborative environments that push the boundaries of technology to solve real customer needs.

Available to hire

I am a full-stack software engineer specializing in AI-powered applications, with hands-on experience building production-ready systems using React, Node.js, PostgreSQL, and Python. I enjoy turning complex problems into scalable, delightful user experiences.
I have a track record of integrating LLMs with domain-specific engines such as KataGo to deliver interactive coaching, analysis, and decision-support features, and I thrive in collaborative environments that push the boundaries of technology to solve real customer needs.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

English

Fluent

Work Experience

Software Engineer Intern at IMTG

January 1, 2026 - Present

Built an AI-powered Go coaching platform combining the KataGo analysis engine with LLM-generated explanations, enabling players to understand move quality and strategic mistakes. Improved backend reliability by introducing Jest unit tests and API validation, reducing regression issues during feature updates. Increased deployment consistency by containerising services with Docker and supporting automated CI/CD pipelines. Built end-to-end full-stack features with React, Node.js, and PostgreSQL, supporting game-state management, analysis workflows, and shareable user experiences.

Software Engineer Intern (Full-Stack) at IMTGSydney

January 1, 2026 - Present

Developed a production-oriented interactive web application using Svelte and TypeScript, focusing on clean component design and predictable state management. Implemented core application workflows and engine-backed validation logic to improve correctness and user experience. Structured the codebase into reusable modules to support maintainability and future feature development. Containerised supporting services with Docker and deployed the frontend on Vercel, enabling repeatable local development and deployment workflows.

Front-End Developer Intern at JD.com

November 1, 2025 - January 31, 2026

Built internal dashboard interfaces using React (Next.js) and TypeScript, developing reusable data-driven components for enterprise analytics systems. Improved frontend data workflows by building data-driven components with structured JSON datasets. Enhanced analytics visibility by developing interactive dashboards with D3.js and Chart.js. Improved rendering performance for data-heavy interfaces through optimisation in Agile sprint cycles. Increased development efficiency by using Cursor for AI-assisted coding, debugging, and UI prototyping.

Front-End Developer Intern (Remote) at JD.com

November 1, 2025 - December 1, 2025

Contributed to a large internal admin dashboard built with Next.js and TypeScript, delivering multiple production features for 200+ internal users. Implemented complex, data-heavy table workflows including filtering, editing, and custom sorting to support operational efficiency. Designed a custom virtualised table solution supporting 10,000+ records, reducing browser memory usage by 60% and improving application stability.

Store Team Member at Woolworths Metro

February 1, 2025 - Present

Designed and implemented a secure Role-Based Access Control (RBAC) system using JWT and custom middleware, ensuring strict data isolation between Tenants and Agents in a multi-tenant environment. Engineered the full lifecycle work-order module utilizing WebSockets (Socket.io) for bi-directional communication, enabling instant status updates and chat functionality without page reloads. Developed 15+ RESTful APIs using Node.js/Express and Prisma Transactions to ensure ACID compliance during complex booking workflows. Optimized high-volume database queries by implementing indexing strategies and offset-based pagination in PostgreSQL, ensuring sub-100ms response times for property listings. Orchestrated a secure deployment pipeline utilizing AWS EC2 for the backend and AWS S3/CloudFront for static asset delivery; implemented GitHub Actions for CI, linting, and automated testing prior to production release.