johnsonsu.com - session

Current work

Principal Architect @ Rails

whenFeb 2025 - PresenttypePermanent Full-timewhereToronto, Canada

  • Develop and maintain business-critical software that is reliable, scalable, and maintainable.
  • Leverage AWS and GitHub to build codified infrastructure and automated CI/CD pipelines for seamless deployment.
  • Design and implement tailored EVM Smart Contracts that meet business requirements and pass professional audits.
  • Mentor and guide engineers through system design, code examples, and comprehensive code reviews.
  • Integrate AI into workflows to enhance productivity, streamline development, and create more time for mentorship.

Past experience

Staff Software Engineer @ Grindr

whenSep 2021 - Oct 2023typePermanent Full-timemodeRemote

  • Led full-stack web application development from design and prototyping to production scaling and provisioning.
  • Built an engineering team from the ground up through candidate screening, interviews, mentoring, and knowledge sharing.
  • Supported partner teams across Marketing, Privacy, and Customer Support through consultation and domain expertise.

Senior Software Engineer @ Coinsquare

whenJul 2019 - Oct 2020typePermanent Full-timewhereToronto, Canada

  • Delivered full-stack blockchain and stablecoin development initiatives.
  • Launched BTC, ETH, and Canadian Dollar stablecoin flows on the Stellar blockchain.
  • Implemented secure transaction signing and broadcast services, plus SEP-based Stellar asset integrations with partners.
  • Owned anchor integration UX for StellarX and XCM.com on/off-ramp experiences.