Senior .NET/React Full-Stack Developer

RBC • Toronto, ON

7d • Hybrid

About The Position

This role is for a Senior .NET/React Full-Stack Developer who will play a key role in advancing medical billing applications, driving innovation to maximize efficiency and effectiveness across Dr. Bill’s platform. The role combines frontend expertise in React with backend proficiency in .NET to create scalable, user-centric tools that streamline workflows and empower agents to deliver exceptional service. Dr. Bill is an RBCx Ventures company focused on simplifying medical billing. The position offers the benefits of working for RBC with a start-up mindset and agility.

Requirements

• 5+ years of experience in React (with Material UI) and .NET Core (C#, MVC, REST/SOAP APIs).
• Strong proficiency in TypeScript, HTML, CSS, and frontend build tools (Webpack, npm).
• Deep experience with databases (relational) and data structures.
• Expertise in unit/integration testing and CI/CD pipelines.
• Ability to design scalable frontend/backend architectures and integrate APIs.
• Excellent communication skills for cross-functional collaboration.
• Experience with Git, Jira, and async teamwork tools (Slack, Confluence).

Nice To Haves

• Post-secondary degree in Computer Engineering or equivalent experience.
• Familiarity with cloud environments (Docker, Kubernetes) and DevOps tools (GitHub, SonarQube).
• Exposure to Ruby, Python, and Rust.
• Experience with ORM solutions (e.g., Entity Framework/NHibernate).
• Experience with compliance standards (ISO 27001, SOC 2) and application security.
• Knowledge of monitoring tools (Dynatrace, Splunk) and Open API specifications.
• Authentication experience with OAuth 2.0/OIDC and JWT token management.

Responsibilities

• Develop robust, high-performance .NET Core (C#) applications, APIs (SOAP/REST), and database integrations to support agent workflows.
• Design and implement intuitive, responsive interfaces using React, Material UI, TypeScript, HTML, and CSS to improve agent productivity.
• Engineer scalable frontend/backend solutions, ensuring seamless integration between React components and .NET services.
• Write unit, integration, and functional tests using modern testing frameworks (Vitest/Jest-compatible, Playwright) and React Testing Library to ensure reliability and performance.
• Work closely with product, design, and engineering teams to refine requirements, participate in code reviews, and contribute to sprint planning.
• Create clear technical documentation, enforce coding standards, and mentor team members on best practices.
• Track progress via Jira or Kanban, estimate effort, and deliver projects on time in a fast-paced, iterative environment.

Benefits

• Bonuses
• Flexible benefits
• Competitive compensation
• Commissions
• Stock (where applicable)
• Leaders who support your development through coaching and managing opportunities
• Ability to make a difference and lasting impact
• Work in a dynamic, collaborative, progressive, and high-performing team
• A world-class training program in financial services
• Opportunities to do challenging work

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: Associate degree