Senior AI System Software Developer

Build something people loveWealthsimple's mission is to help everyone achieve financial freedom – by making financial services simple, transparent, and low-cost. We're Canada's largest fintech, trusted by over 3 million clients with more than $100 billion in assets. We move fast, we own our work, and we care deeply about the people using our products. If that sounds like you, keep reading.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.About the teamThe AI Systems team is focused on building Wealthsimple's first-party AI tools and platforms. We design, develop, and operate the systems that bring AI capabilities directly into the hands of our teams and clients - from intelligent assistants and workflow automation to internal productivity tools powered by large language models.We're looking for software developers who are excited about building production-grade AI systems end-to-end: from frontend interfaces to backend services, infrastructure to deployment. This isn't a research role - it's a hands-on engineering role where you'll ship real products, collaborate with stakeholders across the company, and continuously evolve our AI platform as the technology and our needs grow.In this role, you'll have the opportunity to:Design, build, and operate first-party AI tools and platforms that serve internal teams and Wealthsimple clients.Develop full-stack features across React frontends and Golang backend services, delivering complete, production-ready systems.Work closely with stakeholders across product, engineering, operations, and business teams to identify opportunities for AI-driven features and translate them into working software.Build and maintain containerized microservices, ensuring our AI platforms are reliable, scalable, and easy to deploy.Integrate large language models and other AI capabilities into our tools through well-designed APIs and service layers.Contribute to platform arch