Drive evolution of core global payments platform for fintech startup by modernizing legacy systems and architecting scalable infrastructures. Build and own product features end-to-end to support rapid user growth.
Responsibilities
Modernize legacy services into scalable, distributed systems
Build and own product features end-to-end, from design to production
Design systems for high availability, low latency, and peak-load performance
Translate FX and financial logic into precise, production-grade code
Use modern tooling (including AI-assisted development tools) to improve velocity and code quality
Requirements
Strong experience with Node.js, TypeScript, and production databases (MySQL and MongoDB)
Minimum of 5 years experience in relevant field
Experience refactoring or modernizing legacy systems while still shipping features
Comfort working with distributed systems and event-driven architectures
High ownership, strong problem-solving instincts, and attention to detail
Ability to communicate technical trade-offs clearly to non-engineers.
Intern participating in low - level software development for Linux platforms at OPAL - RT Technologies. Working in a collaborative environment on driver projects and software integration.
Principal Software Developer specializing in AI systems at Laivly, developing innovative customer service technology. Mentoring engineers and solving complex challenges in real - world environments.
Experienced full - stack developer managing backend infrastructure for cybersecurity services. Responsibilities include building core platform components and owning system design, architecture, and direction.
Full Stack Developer at Button is responsible for modernizing enterprise applications and services, collaborating with stakeholders and mentoring team members in Canada.
Staff Software Engineer leading frontend system initiatives at a fintech company. Influencing architecture and mentoring team members to enhance code quality.
Senior iOS/tvOS Developer contributing to CNN's mobile and CTV technology strategy. Collaborating with Product, Design, and Engineering to build consumer experience solutions.
Software Engineer developing Sage ERP solutions for Aktion Associates in a remote setting. Collaborating on integrations and customizations in the construction industry.
Lead technical direction for Supabase CLI and local tooling across platforms. Engage with engineering and open - source communities to improve developer experience.
Senior / Staff Software Engineer for the Integrations team at Air - tek. Delivering production - grade integrations and leading technical improvements with a diverse team in Toronto.