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 current 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

Key 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 adaptable/remote
Need to be EST, Canada, preference for candidates within 2 hours of Kitchener-Waterloo (London, Toronto, Hamilton etc)

📌 Staff Software Engineer Toronto
🏢 Junip
📍 Toronto