# Senior Software Developer, ML Platform & Infrastructure Wealthsimple Toronto Headquarters Full-time Full-time AI & Machine Learning---## About this role Wealthsimple is hiring a Senior Software Developer, ML Platform & Infrastructure (Toronto Headquarters). This is an on-site AI & machine learning role listed on the official Wealthsimple careers site. About the Role: We're proud of what we've built — and we're just getting started. Read our Culture Manual and learn more about how we work. Key Responsibilities:- Turn MLOps expertise to Gen AI: Transition traditional ML lifecycle and serving patterns into state-of-the-art LLM inference engines and GPU orchestration systems- Build model-routing architecture: Design low-latency routing frameworks (e.G., Lite LLM integration) to dynamically direct requests across managed cloud providers (AWS Bedrock) and self-hosted open-source models- Provision & scale GPU infrastructure: Architect and manage high-performance GPU serving environments on Kubernetes using engines like v LLM, Ray, and Triton- Develop evaluation & benchmarking tooling: Build automated Evals and observability frameworks to empower engineers and data scientists to validate model quality, latency, and drift...- Empower self-serve ML across Wealthsimple:



Partner with product engineering and data science teams to build framework-agnostic platform tooling that abstracts infrastructure complexity Requirements & Details:- Drive cost & performance optimization: Improve price-performance across self-hosted and managed inference by optimizing capacity, utilization, batching, routing, and model selection while meeting quality...- 7+ years of software engineering experience in ML Infrastructure, MLOps, ML Tooling, or Data Platform engineering- Deep experience in MLOps/ML Platform practices: Proven track record building and operating self-serve ML platforms, model registry workflows, experiment tracking, or production serving infrastructure...- Solid platform fundamentals: Advanced proficiency in Python, container orchestration via Kubernetes, infrastructure-as-code ( Terraform ), and cloud provider ecosystem (AWS)- Strong appetite to specialize in LLM serving: A genuine desire to leverage your existing MLOps skillset to tackle LLM-specific challenges (v LLM, model routing, prompt... Salary: CA$152 K – CA$189 K - Offers Equity Job Type: Full-time Work Mode: On-site Apply directly on the Wealthsimple careers page using the Apply button.#J-18808-Ljbffr

📌 11773 (Toronto)
🏢 4FMV
📍 Toronto