Issa Kobayashi
Senior Full Stack Developer
About
Senior Full-Stack × Blockchain × AI Engineer
Building production end-to-end systems fusing AI + Blockchain + Modern Web into scalable, reliable products.
I design, own, and ship full architectures - solo or with teams.
🔧 Tech Stacks
Backend & Systems
• Python: FastAPI (primary), Django, Flask
• Node.js/TS: NestJS, Express
• Go (Golang) - concurrency & performance
• DBs: PostgreSQL, Redis, Supabase, Firebase, MongoDB
• Arch: Async APIs, workers (Celery, BullMQ, RQ), event-driven (Kafka, RabbitMQ, NATS)
Frontend
• React, Next.js (App Router + Server Components)
• Data/State: TanStack Query, SWR, Zustand, real-time (WebSockets, Socket.io)
• Tight backend + on-chain UI integration
Blockchain / Web3
• Contracts: EVM (Solidity), Sui (Move), Solana (Rust basics)
• Systems: staking, prediction markets, tokenomics, DeFi primitives
• Off-chain: indexers (The Graph, custom), relayers, API bridges
• Wallets (WalletConnect, injected), gas opt, security focus
AI / LLM / ML
• RAG pipelines + vector DBs (Pinecone, PGVector, Weaviate, Qdrant)
• ML: PyTorch, TensorFlow, scikit-learn, Hugging Face
• Voice/Multimodal: TTS (ElevenLabs, OpenAI, Google), STT (Whisper, AssemblyAI, Deepgram), voice agents, real-time audio
• Agents, workflows, eval, tracing, cost opt
• Deep production AI integration
Infra & DevOps
• Docker, K8s basics, CI/CD (GitHub Actions, GitLab, CircleCI)
• Clouds: AWS (EC2, Lambda, RDS, S3), GCP, Azure, Vercel, Render, Fly.io
• Observability: ELK/Datadog logs, Prometheus/Grafana metrics, OpenTelemetry tracing
Specialize in AI-powered dApps, voice agents, high-throughput DeFi - systems that actually ship and scale.
Always open to serious projects, collabs, or tech chats.
Skills
Languages
Starting from
Key Information
Work mode
Remote
Mission Duration
No preference
Location
Toronto, ON
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