Staff Software Engineer, Full Stack

Job Description Staff Software Engineer, Full StackHybrid | North America | IC-OnlyRead This Before ApplyingThis role is for engineers who have owned real systems end-to-end — built them, scaled them, fixed them when they broke, and lived with the consequences.If you need:perfect specsheavy processa management pathor a soft landing this is not the role.The WorkYoull own mission-critical product and payments-adjacent systems that move real money and sit directly on customer trust.This is a small, senior engineering org where:Ownership is obviousdecisions stickshortcuts get paid back with interestWhat Youll Be Trusted WithLeading ambiguous, high-stakes initiatives from design production iterationBuilding and owning full-stack product surfaces (frontend + backend)Designing APIs and services tied to real financial workflowsMaking hard tradeoffs between speed, correctness, and scaleWorking directly with product, growth, and customer stakeholdersMentoring by example — no org charts, no theatreLeaving systems materially better than you found themThe Bar (Non-Negotiable)You should clearly recognize yourself here:6–15 years of professional engineering experienceProven Staff-level ownership of real systems (not just influence)Strong full-stack capabilityHands-on React or Ruby on Rails experience (at least one)Background in B2B SaaS, fintech, marketplace, or payments-adjacent productsExperience shipping and operating production software used by real customersComfort operating without perfect informationStrong SignalsEarly or growth-stage startup experienceBuilt something, lived with it, improved itProduct-minded engineers who care about outcomes, not abstractionsExperience working close to customers, partners, or revenueClear Non-FitsEngineering managers looking for an IC resetBackend-only or infra-only profilesFully remote-only candidatesEngineers whose recent work is exclusively large-company, low-ownership workHeavy Java-only backgroundsTech (Kept Boring on Purpose)ReactRuby on RailsPostgreSQLProven tools. No résumé-driven architecture.Compensation & OwnershipBase Salary: $225k–$300k USD (location-adjusted)Equity: $200k–$400k in meaningful ownershipThis is not a refresh equity. This is early, material ownership tied directly to the systems you build and scale.If you want upside without accountability, this isnt it.Work ModelHybrid requiredMajor U.S. & Canadian tech hubs~3 days/week in the office on averageRemote-only candidates should not applyInterview Process (Direct and Practical)Recruiter screenLive technical pairing (practical, not LeetCode)System designTechnical depth discussion (projects you personally led)Final behavioural interview with engineering leadershipOptional (Strongly Recommended)Include one project you personally led end-to-end:What you builtWhat brokeWhat you fixedWhat youd do differently nowFinal WordThis role is for engineers who want:real ownershipreal consequencesreal upsideIf this excites you, you're probably a good fit.If it doesn't, that's the filter doing its job.