Work Experience

My work experiences across different companies and roles.

All Experiences(4 experiences)

Dizzaract

Dizzaract

AI Backend Lead

Sep 2024 - Feb 2026

United Arab Emirates (Remote)

  • Orchestrated backend development for the FAR AI decentralized inference network at FAR Labs, enabling distributed compute across networks instead of centralized cloud infrastructure.
  • Provisioned GPU clusters using Kubernetes to support scalable, distributed, and decentralized AI inference across heterogeneous compute environments.
  • Accelerated distributed inference for large language models exceeding 70B parameters on lowperformance GPUs, reaching ~10 tokens/sec through model and network optimization.
  • Constructed a Rust (Axum) service for managing centralized exchange (CEX) accounts, including a data pipeline and dashboards for financial and business insights.
  • Fine-tuned LoRA models on Stable Diffusion XL (SDXL) using RTX 5090 GPUs and integrated the workflow with ComfyUI for avatar generation.
  • Launched multiple Telegram applications, including an AGI-powered chatbot and an AI assistant tailored for gaming users.
CoinRoutes

CoinRoutes

Backend Engineer

Apr 2021 - Sep 2024

United States (Remote)

  • Architected Go-based microservices to aggregate exchange data and relay it to backend systems using Kafka on Amazon EKS for auto-scaling and load balancing.
  • Engineered a multi-threaded Rust WebSocket proxy using Tokio runtime and Axum to manage subscriptions and distribute market data.
  • Extended the SaaS backend with Nest.js, improving trade operation workflows and user interaction handling.
  • Rewrote the order book implementation from TypeScript to Rust, improving execution speed and memory efficiency.
  • Integrated APIs from Coinbase, Binance, Kraken, and Deribit for spot, futures, and options trading, including conformance testing.
  • Reduced latency by optimizing database queries and introducing Redis caching to improve concurrency in TypeScript services.
  • Strengthened logging and monitoring with Elasticsearch and Grafana, improving system visibility and debugging.
  • Resolved over 50 production issues by working with client support and applying targeted fixes.
Laputa Technologies

Laputa Technologies

Backend Developer

Jun 2018 - Feb 2021

Hong Kong

  • Directed development of a hotel and flight reservation platform using Nest.js and PostgreSQL with cryptocurrency and multi-bank payment integration.
  • Implemented a Go-based WebRTC streaming service using Kafka and Kubernetes, incorporating AIpowered speech-to-text translation.
  • Expanded global user reach through geolocation-based deployments across Asia, Europe, and North America.
  • Decomposed more than 5 monolithic systems into microservices using Nest.js and Gin, improving scalability and performance.
  • Configured sharded MongoDB clusters for stock and cryptocurrency data processing.
  • Applied AWS Lambda for serverless functions within a reinforcement learning AI service to improve cost efficiency.
  • Authored technical documentation, including API specifications, in collaboration with product managers.
  • Streamlined CI/CD pipelines using Jenkins, Ansible, and Terraform to reduce release errors.
ICO Technologies Limited

ICO Technologies Limited

Backend Developer

Sep 2016 - May 2018

Hong Kong

  • Designed a web-based computer screen monitoring system using React and Django, increasing productivity tracking by 30% for 18+ enterprise clients.
  • Deployed a biometric authentication system across 10 locations, reducing unauthorized access by 80% using fingerprint and facial recognition.
  • Delivered more than 5 projects on schedule using Agile practices, TDD, and CI, reducing critical post-deployment bugs by 20%.

Design & Developed by Chris Chan
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