Founding Engineer - AI Agents

We are partnering with a profitable, pe-backed company building systematic trading infrastructure for real-world markets. Live events generate tens of billions of dollars annually in secondary ticket transactions, yet the market remains fragmented, inefficient, and largely driven by manual decision-making. Pricing is inconsistent, liquidity is uneven, and execution lacks the rigor seen in mature financial markets.Our client is changing that.Backed by an established brokerage with multiple years of track record and eight-figure annual revenue, they are building a technology-driven trading platform to bring discipline, liquidity, and intelligent pricing to this market.This is not a typical marketplace.This is a trading system... applied to real-world assets.The OpportunityAs a Founding Engineer, you will architect and build the core systems that power valuation, capital deployment, and execution across secondary markets.You will own the platform from first principles, including architecture, core services, and production performance, while working directly with the founder to translate strategy into real systems that deploy capital daily.This role starts at the Staff / Principal IC level with a clear path into engineering leadership as the company scales.What You’ll OwnDesign and build the core trading infrastructure powering pricing and executionDevelop systems for valuation, order placement, and post-trade trackingBuild and maintain data pipelines that ingest, normalize, and react to real-time market dataImplement pricing logic informed by liquidity, demand signals, and historical performanceCreate monitoring systems, dashboards, and internal tooling for system health and performanceEstablish safeguards for data integrity, execution failures, and edge casesPartner directly with the founder to prioritize initiatives and run experimentsContinuously improve system performance and decision-making through tight feedback loopsWhat We’re Looking ForProven experience building production systems in high-stakes environments(e.g., trading systems, fintech, marketplaces, pricing engines, ad tech, or similar)Strong backend and infrastructure expertiseAPIs and external integrationsRelational databases (PostgreSQL or similar)Cloud infrastructure (AWS or GCP)Proficiency in Python or Go preferredDeep experience building data pipelines that operate reliably under messy, real-world conditionsStrong system design skills with a focus on performance, reliability, and scalabilityEntrepreneurial mindset with high ownership and bias toward actionAbility to clearly communicate system behavior, tradeoffs, and constraints to non-technical stakeholdersWhy This RoleDirect ownership of a system that deploys real capital dailyOpportunity to build trading infrastructure in an untapped asset classWork alongside a founder with an existing profitable foundationInfluence both technical architecture and business strategy from day oneClear path into engineering leadership as the company grows