Founding Full-Stack Engineer - AI Infra, Equity

Recruiting from Scratch; New York (NY); On-site; USD 150,000 - 230,000; Full time

Benefits offered by this job

Early equity

Direct founder access

Define new AI infra

High technical ownership

In-person collaboration

Career growth

Job summary

Recruiting from Scratch is seeking a founding Full-Stack Engineer in New York City to build and scale core platform services for context-aware AI systems. You will develop full-stack applications, APIs, data systems, and customer-facing interfaces, and design semantic query systems enabling AI agents to reason over business data.

This is an early engineering hire with high ownership and direct collaboration with founders.

Qualifications

• 3+ years of experience building and shipping production software systems.
• Strong full-stack engineering across backend, APIs, databases, and modern web applications.
• Experience with LLMs, retrieval systems, embeddings, knowledge graphs, or AI infrastructure.
• Hands-on ML system deployment in production, including evaluation, monitoring, and model lifecycle management.
• Familiarity with LLM orchestration frameworks, agent architectures, or multi-agent systems.
• Systems-thinking mindset for complex data flows and business processes.
• Experience operating in ambiguous, fast-moving startup environments.
• Excellent communication skills and ability to work directly with customers and stakeholders.
• High ownership mentality with a track record of independently driving projects from concept through deployment.

Responsibilities

• Build and scale core platform services that power context-aware AI systems in production.
• Develop full-stack applications across backend infrastructure, APIs, data systems, and customer-facing interfaces.
• Design and implement semantic query systems that enable AI agents to reason about business data beyond traditional database access patterns.
• Build retrieval systems, knowledge infrastructure, and context management layers that support enterprise AI workflows.
• Create self-improving data models and feedback systems that evolve alongside customer usage patterns.
• Develop integrations across enterprise systems, data warehouses, CRMs, analytics platforms, and business applications.
• Design and maintain APIs that translate natural language intent into structured, verifiable outcomes.
• Partner directly with customers to understand complex business workflows and transform them into scalable platform capabilities.
• Contribute to architecture decisions across product, infrastructure, and AI systems as an early member of the engineering team.
• Ship quickly in a highly iterative environment while maintaining strong engineering standards.

Skills

Full-stack development

Backend APIs

Databases

LLMs knowledge

Production software

Startup experience

Customer interaction

Python

JavaScript/TypeScript

Tools

LLM orchestration frameworks

Embeddings

Knowledge graphs

Vector databases

Job description

Recruiting from Scratch is seeking a founding Full-Stack Engineer in New York City to build and scale core platform services for context-aware AI systems. You will develop full-stack applications, APIs, data systems, and customer-facing interfaces, and design semantic query systems enabling AI agents to reason over business data.

This is an early engineering hire with high ownership and direct collaboration with founders.