Small Door is a membership-based veterinary care concept designed with human standards that is better for pets, pet parents, and veterinarians alike. We designed and delivered a reimagined veterinary experience via a membership that includes exceptional care, 24/7 telemedicine, and transparent pricing — delivered with modern hospitality in spaces designed by animal experts to be stress-free. We opened our flagship location in Manhattan's West Village in 2019 and have expanded across the East Coast. Small Door now operates in New York City, Boston, Washington DC, Maryland and Virginia with continued expansion plans in 2026.
This is the fifth company that Small Door’s founders have been involved in building. In building Small Door, they partnered with the people responsible for beloved consumer experiences like Warby Parker and Sweetgreen, in addition to healthcare innovators such as One Medical, CityMD and Flatiron Health. Small Door has raised capital from Lerer Hippeau, Primary Ventures, Brand Foundry, Toba Capital, and Pentland Group. The broader management team brings experience from Casper, One Medical, Soulcycle, Warby Parker, Sweetgreen, Peloton, Gilt Groupe, Lightspeed, and Outbrain.
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.
We are seeking a Senior Full Stack Developer with a Bachelor’s degree in Computer Science, Information Technology, or a related field, coupled with a minimum of 5 years of proven experience in the industry. The ideal candidate will exhibit exceptional proficiency in modern front-end frameworks such as ReactJS and proficiency in back-end languages like Ruby or Python. Strong preference will be given to candidates with expertise in Ruby on Rails. Soft skills are paramount in this role, and we’re looking for someone with excellent communication skills, both verbal and written, to effectively collaborate with cross-functional teams. The ability to mentor junior developers and provide technical guidance is highly valued. You should be proficient in English, as clients that we support are based outside of Quebec, and will require communication in English. Additionally, strong problem-solving skills and a proactive mindset are essential for diagnosing and resolving issues across the entire application stack.
What you’ll do
- 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
Who you are
- A minimum of 5 years of relevant experience as a Full Stack Developer. (Startups and fast-paced environments preferred). A Bachelor's degree in Computer Science, Information Technology, or related field is a plus.
- Proven experience as a Full-Stack Developer utilizing modern front-end frameworks (e.g., ReactJS, NextJS) and back-end frameworks (e.g., Ruby on Rails, Django, Laravel). Strong preference for ReactJS and Ruby on Rails.
- Expertise in JavaScript, CSS, HTML, and proficiency in back-end languages like Python or Ruby.
- Solid understanding of Model-View-Controller (MVC) design patterns for building maintainable and scalable web applications.
- Experience with testing frameworks to ensure code quality and application stability.
- Proficiency with AI-assisted software engineering practices, including the use of agentic coding tools (e.g., Claude Code, GitHub Copilot, Cursor) to accelerate development workflows, code generation, and debugging.
- Familiarity with browser-based debugging tools and performance testing software for optimizing user experience.
- Strong troubleshooting skills with the ability to diagnose and resolve issues across front-end and back-end systems.
- A willingness to share knowledge and support teammates through code reviews and pair programming.
- Solid skills to organize, prioritize, and deliver projects effectively.
- Familiarity with multiple application architectures (e.g., microservices, monolith) is a plus.
What you’ll get
- 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
- An opportunity to make a real impact on the people around you
- A collaborative group of people who live our core values and have your back
Joignez Small Door!
Small Door est une société à but lucratif et une entreprise certifiée B Corp. Nous nous engageons à créer un lieu de travail diversifié, inclusif et équitable. Nous cherchons à construire une culture où les employés peuvent être les plus complets et où leurs contributions individuelles sont appréciées.
Les personnes qui sont queer, trans, non-binaires, noires, autochtones, de couleur, handicapées, parents, qui ont été touchées par le système, sont des immigrants et toutes celles qui ont subi une oppression systémique et/ou sont sous-représentées dans l’industrie sont invitées à postuler.
#sdalljobs
Small Door is proudly committed to creating a diverse, inclusive and equitable workplace. We encourage qualified applicants of every background, ability, and life experience to apply to appropriate employment opportunities.
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