Senior Software Engineer, Canvas Core

The role

You will design, build, and improve the Canvas platform to ensure the Mural editor is reliable, high-performing, and intuitive. You will work on systems for real-time collaboration, shared document editing, rendering performance, and developer APIs.

What you will do

• Own and deliver new Canvas platform capabilities from definition through iteration
• Partner with Product and Design to shape user experiences
• Design and build maintainable Canvas platform systems
• Contribute to developer-friendly APIs and platform contracts
• Use AI-assisted tools and agentic workflows in engineering practice
• Strengthen the team through design reviews, code reviews, and mentoring
• Build and evolve canvas systems with rich document and object models
• Work on large-scale concurrent and real-time collaboration systems
• Design, build, and integrate AI-enabled product capabilities
• Improve performance through profiling and optimization

Required qualifications

• Fluency in modern JavaScript/TypeScript
• Familiarity in React, Node.js, or comparable modern frameworks
• 6+ years building and shipping large-scale production software as part of an agile engineering team
• Experience designing and delivering scalable, reliable, high-performance systems and developer-facing abstractions
• Experience designing clean API contracts and service boundaries
• Experience building distributed, concurrent, collaborative, or low-latency systems
• Performance optimization experience
• Practical experience using AI-assisted tools to prototype, implement, test, document, and measure engineering work
• Communication and collaboration skills

Nice to have

• Exposure to complex systems with rich object models
• Interest in AI-enabled product capabilities, or hands-on experience building or integrating them in production
• Familiarity with parallel processing, off-main-thread architectures, rendering pipelines, background computation, or other multithreaded systems
• Comfort operating in high-growth, fast-paced environments or scale-ups

About the company

The Canvas Core team at Mural builds and maintains the foundational platform that powers Mural’s visual thinking experience.