System Engineer

About ToutixToutix is building the fan-data intelligence layer for live events. Ticketmaster owns the fan relationship today. We are changing that with white-label ticketing, Fan Passport (a persistent fan identity layer), Fan CRM and Fan Oracle, our AI insight surface.We are backed, growing, and hiring engineer #1.The roleThis is a systems role first. You will architect the core platform from scratch and own the decisions that everything else gets built on: reliability, concurrency, multi-tenancy, data isolation and disaster recovery. You choose the stack. You shape the engineering culture. You work directly with a hands-on CTO.This is not a ticket-taker role with a task list. You will be handed hard problems, not specs.The problems you will ownOn-sale traffic spikes: 50,000 people clicking buy at the same momentReal-time inventory locking that never oversells and never deadlocksMulti-tenant architecture with strict data isolation between clientsIdempotent payment flows that stay correct under retries and failuresA platform designed to scale from day one without being over-engineered on day oneWhat we are looking forExceptional systems thinking. You reason about architecture from first principles: consistency models, failure modes, back-pressure, what breaks at 100x loadExperience building high-concurrency transactional systems (payments, fintech, ticketing, marketplaces, or similar)Roughly 5 to 8 years of dense, hands-on backend and infrastructure workYou have been an early engineer at a startup that scaled, or built something of your ownYou ship independently. Given a problem and a deadline, you design the solution and deliver itYou use AI coding agents daily and treat them as a force multiplier, not a noveltyWhat we offerMeaningful founding equity with a standard 4-year vestCompetitive base salary plus milestone bonuses tied to what actually gets builtReal architectural ownership: your decisions define the platformA seat at the table as we scale the team and the companyNot the right fit ifYou want to manage rather than build (this is 100% hands-on IC work)You need a spec before you can startYou are remote-only (we build together in London)