Senior Back-End Engineer

Overview
Finofo is seeking a Back-End Engineer who can build fast, iterate faster, and work tightly with Front-End Engineers and a UI Designer. You’ll help wire up real product features with real-world consequences, and when the design changes mid-implementation, you’ll collaborate with your team to adjust on the fly. This is foundational build work, not a maintenance role.This is a VC-backed company with global ambition, requiring intensity, resilience, and ownership.What You’ll Do
Build and evolve core back-end systems using Python and PostgreSQLOwn APIs that power key product flows, and shape how they evolveWork side-by-side with front-end engineers and designers to iterate fast and ship UI-driven featuresWrite and maintain tests, and monitor your servicesParticipate in architecture discussions and raise the bar for system designOwn production issues end-to-end: investigate, fix, and follow throughIdeate, iterate, and debug live with the team;
even if it’s 9PM on a FridayWho You Are
8+ years of experience
designing, building, and operating back-end systems in production at scaleExpert in Python (or a similar OOP language), with strong proficiency in
PostgreSQLProven track record in API design and hands-on experience with cloud infrastructure (preferably AWS)2+ years of hands-on experience with AI/ML
— building classifiers, training models, and applying machine learning techniques in productionFounder-speed mindset : you put in the effort it takes to winYou understand that back-end decisions shape front-end experiences — and vice versaYou prefer to work closely with people: designers, front-end devs, productYou communicate clearly, give direct feedback, and take ownershipYou don’t measure success by tickets closed, but by what actually gets shipped and worksBonus: fintech experience or experience in another industry where some features just can’t start failing randomlyLet\ 's Be Honest
This isn’t a lifestyle job. We’re building a VC-backed company with global ambition. That means intensity. We’re not training for a casual 5K jog — we\ 're trying to win gold at the
Olympics of Tech .That requires more than talent and smarts. It requires hours, effort, resilience, a winning attitude and pride in your work.If you\ 're looking for a cushy 9 to 5 job, this isn’t the place. But if you\ 're looking for meaning, impact, and the chance to do your life’s best work, let’s talk.Our Stack
How We Use AI
We’re obsessed with speed and leverage every edge we can. From Cursor to Codex, we use AI to write, review, and refactor faster. We’re always on the hunt for new tools that boost engineering velocity. The pace of innovation in AI is accelerating, and we don’t plan on being laggards. If you\ 're AI-curious and love experimenting to move quicker, you\ 'll fit right in.What We Offer
Equity with real upside. Participate meaningfully in the win.Relocation support to Calgary if you’re currently elsewhere in Canada.Gorgeous downtown office (C Train-adjacent) where we work hard but also have fun together.A founding-team-level seat in a company that’s going placesHigh-trust, high-responsibility culture where builders thriveInterview Process (Fast + Focused)
Intro Call
– Culture + contextTake-Home Exercise
– 2 to 3 hour logic exerciseTechnical Round
– Live problem solving & system design (real-world scenarios)Founder Round
– Conversation about mindset, ambition, and team fitReady to build something massive? Apply now and let\ 's ship.
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