Founding Full Stack Engineer

Founding Full Stack Engineer We're seeking a Founding Full Stack Engineer to help build and scale an AI-powered SaaS platform that automates complex business workflows for enterprise customers. This is an opportunity to join an early-stage startup as one of the first engineering hires, taking ownership of the product from concept to production. You'll work directly with leadership, solve real customer problems, and build mission-critical software that integrates with external business systems. Key Responsibilities Own customer-facing features from ideation through production deployment. Design and develop scalable backend services and APIs. Build secure, auditable data models and event-driven workflows. Develop real-time dashboards and customer-facing applications. Build and maintain integrations with third-party platforms, ERP systems, logistics providers, and external business applications. Design resilient synchronization systems to keep multiple platforms in sync. Improve platform reliability through monitoring, observability, alerting, and operational best practices. Work across the full technology stack, including backend, frontend, APIs, and data engineering. Collaborate directly with customers to understand business workflows and translate requirements into software solutions. Required Qualifications Technical Skills 2–5 years of professional software engineering experience. Strong experience with TypeScript and Node.js. Solid experience designing applications with PostgreSQL. Full Stack development experience using React. Experience building REST APIs and backend services. Familiarity with: Event-driven architectures, Webhooks, Asynchronous processing, Third-party system integrations. Ownership & Execution Ability to independently take projects from concept to production. Comfortable working with minimal direction in a fast-paced startup environment. Strong problem-solving skills with a focus on delivering practical solutions. Passion for building highly reliable, production-grade software. Willingness to take ownership and support critical production systems when needed. Communication Excellent written and verbal communication skills. Comfortable working directly with both technical and non-technical stakeholders. Collaborative mindset with a low-ego, team-first attitude. Preferred Qualifications Experience as an early engineering hire or founding engineer at a startup. Background in B2B SaaS or industries such as logistics, supply chain, freight, or consumer products. Experience with EDI platforms (e.g., SPS Commerce, TrueCommerce, or similar). Experience working at logistics or supply chain technology companies. Familiarity with modern technologies such as Next.js, Supabase, AI Agents, Large Language Models (LLMs), Agentic AI workflows. Benefits Competitive base salary Equity opportunity Health insurance High-impact role with significant ownership and career growth Work Environment Hybrid role based in Brooklyn, NY. Strong preference for candidates who can work onsite most of the week. Fast-paced startup environment with high ownership and close collaboration across the team.