Staff Software Engineer

Junip is looking for a Staff Software Engineer who wants to help shoppers make the right purchasing decisions when shopping online. **The Junip product** We operate a review platform at significant scale (10,000+ customers / merchants, tens of millions of shoppers / reviews). We also have new agentic product that is growing quickly. They both work together to help shoppers make purchasing decisions when buying from ecommerce stores. **What You'll Do** * Design and implement new features end to end, primarily using Rails and React * Solve performance and infrastructure challenges to scale while improving speed & reliability * Actively collaborate with CX and other team members to fold learnings back into the product experience * Keep a high quality bar for the Junip codebase & product while moving quickly **Some of the technology you'll work with** Ruby on Rails, PostgreSQL, RubyLLM, Vector DB(s), Redis, Sidekiq, AWS etc **Need to have** * Experience building web applications at significant scale, ideally in Ruby on Rails and/or adjacent technologies * Deep understanding of the software development lifecycle, crafting maintainable code * Comfort & eagerness to ship to production daily * Confidence in crafting public APIs, leveraging webhooks and building scalable services (finding solutions to N+1 query problems, maintaining endpoint speed and reliability) * Excellent written communication, able to clearly articulate complex ideas / plans * Experience using AI tools to accelerate both your pace & quality of software development **Nice to have** * Experience building for ecommerce merchants * Experience building agentic tools **Important things to know** * Competitive benefits, PTO & compensation * We’re a small team * Profitable + growing * We have an office in Kitchener * Day to day is typically flexible/remote * Need to be EST, Canada, preference for candidates within 2 hours of Kitchener-Waterloo (London, Toronto, Hamilton etc)