Principal Full Stack Engineer (React & AI-Driven) - Remote - Canada

FullStack Labs

• $110K — $130K *
US-AnywhereRemote in Ottawa, ON
Information Technology
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • 8+ years of experience in software engineering, focusing on scalable, full-stack applications.
  • Advanced English proficiency is essential.
  • Bachelor's degree in a relevant field is required.
  • Expertise in modern front-end technologies like React and TypeScript.
  • Experience with AI-assisted engineering tools to enhance productivity.
  • Proficient in back-end solutions, particularly GraphQL or Ruby on Rails.
  • Experience mentoring senior engineers and establishing technical best practices.

Responsibilities

  • Design and develop scalable full-stack applications.
  • Lead complex technical initiatives across teams.
  • Create and maintain clear architectural design documents.
  • Implement continuous integration and delivery for applications.
  • Mentor senior engineers on best practices and trade-offs.
  • Contribute to libraries and resolve challenging technical issues.
  • Collaborate with Agile/Scrum teams to deliver high-quality solutions.

Benefits

  • Remote work flexibility.
  • Engagement with both leading startups and Fortune 500 companies.
  • Opportunities for continuing education and professional growth.
  • Career advancement prospects.
Full Job Description
The Position

What We Are Looking For

  • 8+ years of professional software engineering experience designing and building scalable, full-stack applications.
  • Advanced English is required.
  • Successful completion of a four-year college degree is required.
  • Deep technical expertise in modern front-end development using React and TypeScript.
  • Hands-on proficiency with AI-assisted engineering workflows and agentic AI tools (e.g., Cursor, Claude Code, Copilot) to accelerate delivery.
  • Proven track record of leading complex technical initiatives across multiple teams and writing clear architectural design documents (RFCs, ADRs).
  • Strong background in back-end technologies, with hands-on production experience in GraphQL or Ruby on Rails.
  • Demonstrated experience mentoring senior engineers, driving technical best practices, and evaluating trade-offs for org-wide initiatives.
  • Experience with mobile development (particularly React Native, iOS, or Android) is a strong plus.
  • Ability to work through new and difficult issues and contribute to libraries as needed.
  • Ability to create and maintain continuous integration and delivery of applications.
  • Forensic attention to detail.
  • A positive mindset and a can-do attitude.
  • Experience working on Agile / Scrum teams.
  • Meaningful experience working on large, complex systems.
  • Ability to take extreme ownership over your work. Every day is a challenge to ensure you are performing to the expectations you and your team have agreed upon.
  • Ability to identify with the goals of FullStack's clients, and dedicate yourself to delivering on the commitments you and your team make to them.


What We Offer

  • Competitive pay.
  • 100% remote work.
  • The ability to work with leading startups and Fortune 500 companies.
  • Continuing education opportunities.
  • Opportunity to grow and expand your career.


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