This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Web Developer based in Canada.
You will join a mission-driven engineering team focused on building high-performance web experiences that power real-time voice and messaging at massive scale. In this role, you will design and develop feature-rich web applications that enable seamless communication for millions of users. You will work on complex real-time systems involving voice, chat, and notifications, ensuring reliability, speed, and scalability across the platform. The environment is fast-moving and product-focused, where your work ships directly to end users and has immediate impact. You will collaborate closely with product managers, designers, and engineers to turn ideas into intuitive and performant experiences. This is a high-ownership role where engineering quality and user experience are equally important.
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Web Developer based in Canada.
You will join a mission-driven engineering team focused on building high-performance web experiences that power real-time voice and messaging at massive scale. In this role, you will design and develop feature-rich web applications that enable seamless communication for millions of users. You will work on complex real-time systems involving voice, chat, and notifications, ensuring reliability, speed, and scalability across the platform. The environment is fast-moving and product-focused, where your work ships directly to end users and has immediate impact. You will collaborate closely with product managers, designers, and engineers to turn ideas into intuitive and performant experiences. This is a high-ownership role where engineering quality and user experience are equally important.
Accountabilities:
- Design, develop, and maintain high-quality web applications focused on real-time voice, messaging, and communication features at scale.
- Build and optimize frontend systems using JavaScript, HTML, CSS, and modern frameworks such as React, ensuring performance and maintainability.
- Implement and support real-time communication capabilities including chat, notifications, and voice/video integrations.
- Collaborate with cross-functional teams including product, design, and engineering to define, build, and deliver new features end to end.
- Troubleshoot and resolve performance issues, bugs, and system instability to ensure a smooth user experience across devices.
- Optimize application performance with a focus on latency, bandwidth efficiency, and real-time responsiveness.
- Contribute to experimentation and data-driven decision-making to continuously improve product experience and engagement.
- Own features from concept through deployment, ensuring high-quality delivery to millions of users.
- 5+ years of experience in web application development with strong proficiency in JavaScript, HTML, and CSS.
- Solid experience with modern frontend frameworks such as React (or similar) and component-based architecture.
- Strong understanding of real-time communication systems, ideally including WebRTC, SIP, or related technologies.
- Experience working with real-time notifications, networking behavior, and event-driven web applications.
- Familiarity with testing frameworks including unit, integration, and UI testing practices.
- Strong debugging and performance optimization skills in complex web environments.
- Good understanding of UX principles with the ability to translate complex problems into simple user experiences.
- Strong ownership mindset with experience delivering features end-to-end in fast-paced environments.
- Bonus: exposure to tools for real-time media, desktop notifications, or large-scale messaging systems.
- Competitive compensation with equity opportunities
- Fully flexible work arrangements (remote, hybrid, or office-based depending on preference)
- Unlimited vacation policy and generous paid holidays
- Comprehensive health, dental, and vision coverage
- RRSP matching (Canada) and retirement savings support
- Learning and development budget for professional growth
- Annual wellness or healthcare spending allowance
- Parental leave and family support benefits
- Regular company off-sites, team events, and travel opportunities
- Free phone service and employee product access for testing and usage
Requirements:
Benefits: