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Senior Full Stack Engineer

Toronto💼 Full-time💰 $100,000–$150,000🗓 2026-05-21 → 2026-09-26

Core

Design, build, and evolve core services and platform capabilities for a mission-critical SaaS financial platform serving K-12 schools.

Role type

Senior Full Stack Engineer (C#/.NET + React)

Builds

Core SaaS services, APIs, and user-facing experiences for financial transaction management

Domain

Fintech / K-12 Education / SaaS

Deliverable

production ML models | product features

Required skills

C#, ASP.NET, React, JavaScript, SQL, System Design, Distributed Systems, Cloud Operations, Unit/Integration Testing

Preferred skills

Azure, Event-driven patterns, Financial systems experience

Technologies

C#, ASP.NET, React, JavaScript, SQL, Azure

Responsibilities

Design and build core services and platform capabilities; Develop user-facing experiences with React and backend services with C#/.NET; Ensure financial workflows are resilient and secure; Diagnose production issues and improve observability; Optimize relational data models and SQL queries; Write clean, maintainable, and well-tested code

Seniority

Senior, hands-on IC

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