Staff Fullstack Engineer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Staff Fullstack Engineer based in Canada.

This is a staff-level individual contributor opportunity within an AI-native fintech SaaS environment focused on modern financial planning and analysis solutions. You will work closely with technical leadership to shape platform architecture, product direction, and engineering practices from an early stage. The role offers significant ownership across the full technology stack, from system design through implementation, testing, deployment, and operation. You will build scalable, reliable features while helping establish engineering standards that support long-term growth. Collaboration with product, design, operations, executives, and fellow engineers will be central to your impact. This is an ideal opportunity for an experienced engineer who wants to remain deeply technical while influencing architecture, mentoring peers, and raising the effectiveness of the broader engineering organization.

• Partner with technical leadership and engineering teammates to prioritize initiatives and execute against the product roadmap.
• Design, develop, test, deploy, and own complex software features and components across the full stack.
• Build robust, scalable, maintainable, and well-tested applications that support the growth of the platform.
• Shape and evolve system architecture, making sound technical decisions for scalability, performance, reliability, and maintainability.
• Establish and promote engineering best practices, development standards, and effective technical processes.
• Help build a high-performing and collaborative engineering culture through technical leadership, mentorship, and knowledge sharing.
• Collaborate closely with Design and Operations teams to identify opportunities for continuous product and engineering improvements.
• Work with executives and cross-functional stakeholders to translate business strategy and requirements into practical technical solutions and deliverables.
• Take ownership of technical challenges and drive initiatives from initial design through production operation.

Requirements

• 8+ years of professional software development experience , including at least 3 years contributing to system design or software architecture.
• Strong full-stack engineering expertise with  TypeScript and JavaScript , including frontend development with  React and backend development with  Node.js .
• Hands-on experience with  Google Cloud Platform (GCP)and  BigQuery , including designing, deploying, and operating scalable cloud services.
• Strong experience modeling, querying, and optimizing  MongoDB schemas for performance and scalability.
• Demonstrated discipline around unit, integration, and end-to-end testing.
• Proven staff-level technical leadership, including architecture ownership, mentoring engineers, and improving overall engineering effectiveness.
• Strong communication and collaboration skills, with the ability to work effectively with executives, engineers, and cross-functional teams.
• Ability to define technical strategy, clarify requirements, and translate business objectives into high-quality engineering outcomes.
• Genuine interest in pursuing a senior individual-contributor career path rather than transitioning into an executive or people-management role in the near term.
• Demonstrated history of stable and sustained tenure with previous employers.
• Strong problem-solving skills, technical judgment, ownership, and ability to operate effectively in an evolving environment.

Benefits

• Annual salary range of $185,000–$240,000 USD .
• Fully remote work opportunity.
• Open to candidates based in  Canada or the United States .
• Visa sponsorship available .
• Staff-level ownership and meaningful influence over platform architecture and engineering direction.
• Opportunity to work on an  AI-native fintech SaaS platform addressing modern FP&A needs.
• Strong individual-contributor career path with opportunities to mentor engineers and shape engineering standards.
• Close collaboration with technical leadership and cross-functional teams.
• Opportunity to influence product development, engineering culture, and long-term platform scalability.
• Environment focused on continuous learning, technical excellence, and collaborative problem-solving.