Open to opportunities

Chris Chan

@chrischan1

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AI Backend Engineer with over 7 years of experience in AI technologies.

Canada

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What I'm looking for

I am looking for a role that fosters innovation and collaboration, where I can leverage my AI and backend development skills to create impactful solutions while growing professionally.

I'm an AI Backend Engineer with over 7 years of experience in AI technologies and backend development. My expertise lies in modern AI systems, including LLM integration, RAG implementation, MLOps, and DevOps workflows. I am proficient in Rust and Go, and I have strong familiarity with Python and JavaScript, which I utilize to build reliable services and tools.

Throughout my career, I have worked on diverse projects, such as architecting a web-based chatbot using Retrieval-Augmented Generation and developing a Telegram mini-app for voice interaction. My experience includes backend development with microservices, distributed systems, and database design using both SQL and NoSQL. I have a proven track record of optimizing performance and enhancing user experiences in various applications.

Experience

Work history, roles, and key accomplishments

AI Distributed System Engineer

LUDEX

Sep 2024 - Jun 2025 (9 months)

Architected a web-based chatbot using Retrieval-Augmented Generation with models like GPT-4o, LLaMA, and Mistral, managing a repository of 300,000 vectors with Qdrant and Pinecone. Developed a Telegram mini-app for voice interaction with Deepgram for speech-to-text and Libkit for text-to-speech, supporting eight major languages.

RAG MLOps Kubernetes AWS Sagemaker GCP AWS Lambda Qdrant Pinecone

Backend Engineer

Dexterity Capital

Apr 2021 - Sep 2024 (3 years 5 months)

Architected Go-based microservices to aggregate exchange data and relay it to the backend, leveraging Kafka as a message broker and deploying on Amazon EKS for auto-scaling and load balancing. Engineered a multi-threaded Rust WebSocket proxy server using Rust's Tokio runtime and Axum framework to manage WebSocket subscriptions and efficiently serve the market data to the frontend and trading algor

Go)Rust Microservices Kafka Amazon EKS Redis Elasticsearch Grafana

Backend Developer

Dreamshub Limited

Jun 2018 - Feb 2021 (2 years 8 months)

Directed the development of a hotel and flight reservation platform using Nest.js and PostgreSQL, integrating cryptocurrency and multi-bank payment processing. Created a Go-based WebRTC streaming service with Kafka, Kubernetes, and AI-powered speech-to-text translation for multilingual support.

Nest PostgreSQL Go)WebRTC Kafka Kubernetes AWS Lambda MongoDB Jenkins Ansible Terraform

Backend Developer

DynaSys Solutions Limited

Sep 2016 - May 2018 (1 year 8 months)

Designed and implemented a web-based computer screen monitoring system using React and Django, boosting productivity tracking by 30% for 18+ enterprise clients through real-time activity insights and automated performance reports. Developed an advanced biometric authentication system across 10 locations, reducing unauthorized access by 80% with dual-modal fingerprint and facial recognition technol