Top Tech Jobs & Startup Jobs

Lead development, testing, and maintenance of quantitative market risk models (VaR, SVaR, stress testing). Produce methodology documentation, model CIRO 5000 margin impacts, write production-quality code, collaborate across risk and reporting teams, and proactively identify and fix model performance issues.

Hire and lead a platform engineering team to define and build Wealthsimple's observability foundation. Own roadmap, instrumentation (OpenTelemetry), SDKs, high-cardinality event data models, SLO/SLI-driven reliability, vendor strategy, pilots, and AI-agent accessible production tooling while remaining hands-on for architecture and prototypes.

Design and build an events-first observability platform: architect high-throughput ingest, storage, and query pipelines; ship SDKs and instrumentation; define standards (OpenTelemetry, SLOs); enable AI-agent investigation and mentor senior engineers while leading cross-team technical initiatives.

Lead paid social creative strategy and operate a high-volume testing engine from insight and concept through production, launch, reporting, and iteration. Partner with performance marketing, creative, influencer, and UGC teams to produce performance-oriented ads that meet iCAC targets, build documentation and AI-enabled workflows, and continuously optimize creative across Meta and TikTok.

Lead and grow the Financial Risk Engineering team to detect and respond to fraud. Own the technical roadmap, collaborate with product, compliance, and data science, stay hands-on in code and architecture, and operationalize fraud signals into real-time systems while shaping AI tool usage across the team.

Lead full-stack development for Wealthsimple's Tax team: design, build, and operate frontend and backend systems (React, Python), modernize legacy frontend code, deliver reliable tax services, mentor engineers, shape technical direction, and collaborate with product, design, compliance, and operations.

The Senior Data Scientist will influence Wealthsimple's crypto experience by leveraging data analysis, problem-solving skills, and strong collaboration with cross-functional teams to shape product strategy and improve customer engagement and retention.

Build and operate Wealthsimple's ML platform to take models from experimentation to production: design architecture, build framework-agnostic training/inference services, ensure scalability and observability, enable self-serve tooling for data scientists, and own long-lived ML infra projects (Kubernetes, Ray, LLM integrations).

The role focuses on providing client support, simplifying financial concepts, and ensuring client satisfaction through effective problem-solving and collaboration with various teams.

Lead design and build of Wealthsimple's in-house card infrastructure end-to-end (issuance, authorization, tokenization, transaction processing, disputes, lifecycle). Own greenfield projects, make architectural decisions, ensure reliability and observability, mentor engineers, partner with Product and Design, and leverage AI-centric workflows to ship safely at scale.