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CHIEF TECHNOLOGY OFFICER
v4.2.0 · Toronto, Canada · 2026
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Gagan Deep Singh.
CTO | Scalable Architecture • AI Automation • Blockchain Infrastructure
I architect systems that scale. Over 14 years as CTO, I've designed backend infrastructures handling millions of concurrent users, built AI automation pipelines, and shipped blockchain protocols processing $100M+ in transaction volume.
14+
Years as CTO
400+
Engineers Led
10M+
Users Served
10K+
Clients Global
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About

Building Systems for 10M+ Users across 6 international locations. Currently leading 400+ engineers across Code Brew Labs and BlockTech Brew, shipping products for 10,000+ clients globally.


B.E. Computer Science — Panjab University (2009–2013)

Based in Toronto, Ontario, Canada

⚡ Scalable Systems

Event-driven architectures using Kafka, Redis, PostgreSQL handling 50K+ req/s. Kubernetes with auto-scaling managing 10x traffic spikes while cutting cloud costs by 35%.

🤖 AI Automation

LLM-powered dev workflows for automated code review, test generation. Production AI across 50+ enterprise deployments including recommendation engines and NLP systems.

🔗 Blockchain Infrastructure

250+ production smart contracts across Ethereum, Solana, Avalanche, TON. DeFi protocols handling $100M+ TVL with security-first architecture.

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Experience

Chief Technology Officer
BlockTech Brew · Full-time
Aug 2018 – Present · 7+ years · Dubai, UAE (Remote)

Leading technical strategy and architecture for a Web3-focused development firm serving enterprise clients across USA, UK, Dubai, and India.

  • Scaled engineering team from 15 to 80+ developers
  • Architected and deployed 250+ smart contracts across Ethereum, Solana, Avalanche, and TON
  • Built DeFi protocols handling $100M+ TVL including custom AMM implementations
  • RWA tokenization platform with ERC-3643 compliance and on-chain KYC
  • Reduced deployment time by 60% via CI/CD pipelines and microservices patterns
Chief Technology Officer
Code Brew Labs · Full-time
Jan 2013 – Present · 13+ years · Chandigarh, India (Remote)

Built and scaled a mobile-first development company from a 5-person team to 400+ engineers, serving 10,000+ clients globally.

  • Designed backend systems for applications serving 10M+ users
  • Led architecture for 500+ mobile applications across React Native and Flutter
  • Achieved <2s cold start times and 99.9% crash-free rates
  • Reduced API response times by 70% with event-driven architectures
  • Established engineering culture: code quality, documentation, continuous learning
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Tech Stack

Backend

Node.js Python Go Rust NestJS Express

Frontend

React Next.js React Native Flutter

Data

PostgreSQL MongoDB Redis TimescaleDB Kafka RabbitMQ

Infrastructure

AWS GCP Kubernetes Terraform Docker

Blockchain

Solidity Rust (Solana) Hyperledger Fabric Ethereum Avalanche TON

AI / ML

LangChain OpenAI APIs Fine-tuning NLP Predictive Analytics
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Key Projects

DeFi Protocol Suite
BlockTech Brew · Ethereum, Solana

Custom AMM implementations, staking mechanisms, and cross-chain bridges. $100M+ TVL with security-first architecture and gas optimization.

SolidityRustWeb3.js
RWA Tokenization Platform
BlockTech Brew · ERC-3643

Real-world asset tokenization with ERC-3643 compliance and on-chain KYC integration. Bringing traditional assets on-chain with regulatory compliance.

EthereumERC-3643KYC
AI Automation Pipeline
Code Brew Labs · Enterprise

LLM-powered development workflows: automated code review, test generation, and documentation. Deployed across 50+ enterprise clients, cutting operational overhead by 80%.

LangChainOpenAIPython
Mobile Platform (500+ Apps)
Code Brew Labs · Cross-platform

Architecture for 500+ mobile applications with reusable component libraries. <2s cold start times, 99.9% crash-free rates, serving 10M+ users globally.

React NativeFlutterAWS
HyperLedger Fabric Airline Management
Open Source · GitHub

Blockchain-based airline management system built on HyperLedger Fabric for transparent, tamper-proof booking and operations management.

HyperLedgerJavaScriptBlockchain
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Contact