Senior Software Engineer — Infrastructure & Platform · Montréal, QC

8 years scaling international commerce and financial platforms. I work on distributed systems, infrastructure deployment, and high-throughput financial services — and ship complex migrations with LLM-assisted workflows.

📧 wl.wailau@gmail.com · 💼 LinkedIn · 🐙 GitHub

Coinbase — Software Engineer · 2022–2026

• Built a high-throughput financial ledger on Aeron.
• Led a Cadence → Temporal migration across services.
• Cut AWS spend $500K/yr via storage optimization.
• Unified dual CI/CD pipeline architectures.

Shopify — Production Engineer · 2019–2022

• Multi-region search failover over ~150TB of indexed data.
• Drove p99 latency from 400ms → 50ms for international users.
• macOS/iOS build infrastructure.

Nuance Communications — Software Developer · 1 yr

• Internal tooling and automation for speech/NLP teams.

Education: B.Eng. Software Engineering (Co-op), Concordia University — Dean's List

Go Ruby Python Java JavaScript · AWS GCP Kubernetes Docker Terraform · Kafka Elasticsearch PostgreSQL · gRPC Buf Temporal · Datadog · Claude Code MCP

• emet — Self-hosted, MCP-queryable personal knowledge graph. Your data is the durable asset; the LLM is interchangeable.
• exec-fn — Self-hosted planning assistant. FastAPI + Claude pipeline: kanban, day-planner timeline, nudge loop.
• hosaka — Local near-real-time TTS: Kokoro presets + Chatterbox voice cloning + Parler baking, on an RTX 5070 Ti.
• nightfall — Browser cyberpunk RPG. TypeScript + React + Webpack.