Software EngineerNew York, New York, United StatesAbout the Job Software EngineerWe're looking for a Senior Backend Engineer to join a fast-moving infrastructure team building highly flexible, developer-first commerce systems. This role is ideal for someone who thrives in high-ownership environments, enjoys solving complex technical challenges, and has deep experience working on products with significant architectural complexity.Responsibilities:Design, build, and maintain backend systems using Node.js and PostgresArchitect and evolve complex distributed systems that support large-scale workflows, data models, and APIsCollaborate closely with product and developer experience teams to deliver features that unlock new capabilities for customersWork with early customers to understand use cases and guide them through architectural decisionsBuild reliable, performant services with strong observability, testing, and security practicesContribute to internal engineering standards, tooling, and documentationIdentify bottlenecks, propose solutions, and drive improvements across the infrastructureHelp shape foundational components of a managed services platform for hosted commerce infrastructureMust-Haves:8+ years of backend engineering experience with strong proficiency in Node.js or PostgresBased in East Coast Americas or EuropeExperience working with complex products, such as:Developer tooling (e.g., Snyk, Sentry, Postman, Prisma)Orchestration or workflow tooling (e.g., Temporal, Alloy)Payments infrastructure (e.g., Stripe, Checkout, Adyen)Delivery or ride-sharing applicationsHands-on experience building large distributed systemsExperience scaling early-stage startups, ideally from Seed through Series A/BStrong individual contributor (IC) background; recent roles should be hands-onFamiliarity with e-commerce, payments, logistics, or API-driven infrastructure is a plusNice-to-Haves:Based in NYCIC (individual contributor) role in the last two positionsEx-CTO or founder experienceExperience with distributed systemsCommerce experienceWhat You'll Bring:Strong technical judgment with the ability to simplify complex problemsA product mindset and deep appreciation for developer experienceHigh ownership, autonomy, and a bias for actionExcellent communication and cross-functional collaboration skillsWhy This Role Is Exciting:You'll be working on the core technology behind a new generation of commerce infrastructure. You'll have meaningful ownership over architecture, influence foundational engineering decisions, and contribute to a team that values craftsmanship, speed, and clarity.Or refer someone