Senior Full-Stack Developer

Small Door is membership-based veterinary care designed with human standards that is better for pets, pet parents, and veterinarians alike. This role will play an important part in shaping the next chapter of our combined organization and advancing our shared mission to transform veterinary care. The Full-Stack Developer will report directly to the VP of Data and Technology and will work closely with the growth, design and product management team and is based in Montreal.

Responsibilities

Become an expert on our technical systems; Collaborate with our team to define what the ideal veterinary experience is and how technology can enhance it; Help the planning, execution and release of technical projects; Steer technical decisions about infrastructure and architecture; Seek the right balance between moving quickly and improving the operability and scalability of the systems we build; Implement new features across our web and mobile clients to improve our member experience; Collaborate cross-functionally with product, growth, operations and more

Requirements

Bachelor's degree in Computer Science, Information Technology, or a related field; Minimum of 5 years of relevant experience as a Full Stack Developer; Proven experience utilizing modern front-end frameworks (e.g., ReactJS, NextJS) and back-end frameworks (e.g., Ruby on Rails, Django, Laravel); Exceptional proficiency in modern front-end frameworks such as ReactJS; Proficiency in back-end languages like Ruby or Python; Solid understanding of Model-View-Controller (MVC) design patterns; Experience with testing frameworks; Proficiency with AI-assisted software engineering practices, including agentic coding tools (e.g., Claude Code, GitHub Copilot, Cursor); Familiarity with browser-based debugging tools and performance testing software; Strong troubleshooting skills; Willingness to share knowledge and support teammates through code reviews and pair programming; Solid skills to organize, prioritize, and deliver projects effectively; Excellent communication skills, verbal and written; Ability to mentor junior developers and provide technical guidance; Proficiency in English

Nice to have

Expertise in Ruby on Rails; Strong preference for ReactJS; Startups and fast-paced environments preferred; Familiarity with multiple application architectures (e.g., microservices, monolith) is a plus

Benefits

Competitive salary; Equity ownership; Health, dental + vision insurance; Upward mobility and growth opportunities; Generous paid-time off, parental leave, and company-wide holidays; Discounted veterinary care for your loved ones; Growth opportunities; Opportunity to make a real impact on the people around you; Collaborative group of people who live our core values and have your back