Senior Full Stack Software Developer (React.js focus)

Lightspeed Commerce, Inc.Toronto, ON
$140,000 - $150,000Hybrid

About The Position

The Financial Automation team at Lightspeed streamlines merchant operations by replacing labor-intensive manual processes like sales reconciliation with intelligent, AI driven, automated systems. We bridge the gap between complex data and actionable insights, enabling our users to manage their growth without increasing their headcount. As a Senior Full Stack Software Developer, in this role you will be responsible for the development and maintenance of various features within our mission-critical financial products, with a strong focus and ownership on Frontend Development. You will make valuable contributions to the overall codebase by delivering new features, resolving bugs, improving our user experience, and supporting other related activities. You are expected to bring strong technical expertise, help the team accomplish their goals, evolve team processes and tooling, and take an active role in various production operations, including on-call rotations.

Requirements

  • Strong software engineering and computer science fundamentals
  • A minimum of 5 years of experience working as a Software Developer
  • Experience working for a SaaS product-based company
  • Strong experience building modern, scalable frontend applications using React and/or NextJS
  • Proficient with TypeScript and Design Systems at scale
  • Proven experience deploying scalable, reliable applications on the cloud (AWS/GCP)
  • Experience leading initiatives and feature work from system design to production deployment
  • Strong sense of ownership and self-improvement, with a growth mindset
  • Fluency in English as a working language is required

Nice To Haves

  • Experience with Kotlin, Java or NodeJS, including designing and maintaining APIs and services, is a plus

Responsibilities

  • Drive strategic collaboration in development planning, retrospectives, and demos
  • Lead the system design and architecture for new, large-scale features, ensuring solutions are robust, scalable, and maintainable
  • Break down high-level requirements into well-defined development tasks and work items
  • Manage and communicate expectations, priorities, release status, and project schedules to stakeholders and the team
  • Lead effort estimation for sprint and product roadmap deliverables
  • Champion continuous improvement of our software delivery processes and practices
  • Actively mentor and coach team members
  • Shape the future of the engineering workforce by actively participating in the recruitment process
  • Provide technical and process guidance
  • Elevate coding standards and best practices by conducting rigorous code reviews in a knowledge-sharing environment
  • Continuously improve our existing tools and products to ensure technological advantage

Benefits

  • Lightspeed equity scheme (we are all owners)
  • Flexible paid time off policy
  • Health Insurance
  • Health and wellness benefit of $500 per year
  • Paid leave and assistance for new parents
  • Mental health online platform and counselling & coaching services
  • Volunteer day
  • Work abroad policy
  • medical, dental, wellness, life and disability insurance, RRSP plan and match, paid parental leave top-up, and paid time off
© 2026 Teal Labs, Inc
Privacy PolicyTerms of Service