Founding Full-Stack Engineer for AI Infrastructure

Recruiting from Scratch LLC; New York (NY); On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

Meaningful equity

Direct collaboration with founders

Early-stage startup environment

In-person collaboration

Job summary

Recruiting from Scratch LLC in New York City seeks a Founding Full-Stack Engineer to help define a new AI infrastructure platform. You will join an early engineering team building semantic query and context-management systems.

You will own end-to-end features, deploy ML components, work with customers, and ship rapidly in a highly iterative startup environment.

This in-person role offers meaningful equity and close collaboration with the founders.

Qualifications

• 3+ years of experience building and shipping production software systems.
• Strong full-stack capabilities across backend, APIs, databases, and modern web applications.
• Experience with LLMs, retrieval systems, embeddings, vector databases, knowledge graphs, or related AI infrastructure.
• Hands-on experience deploying machine learning systems in production, including evaluation, monitoring, and lifecycle management.
• Familiarity with LLM orchestration frameworks, agent architectures, or multi-agent systems.
• Strong systems-thinking mindset and ability to reason about 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.

Responsibilities

• Build and scale core platform services powering context-aware AI systems in production.
• Develop full-stack applications across backend, APIs, data systems, and customer interfaces.
• Design semantic query systems enabling AI agents to reason about business data.
• Build retrieval systems, knowledge infrastructure, and context management layers.
• Create self-improving data models and feedback systems aligned with customer usage.
• Develop integrations across enterprise systems, data warehouses, CRMs, analytics platforms, and business apps.
• Design and maintain APIs translating natural language into structured outcomes.
• Partner with customers to translate complex workflows into scalable platform capabilities.
• Contribute to architecture decisions across product, infrastructure, and AI systems as an early engineer.
• Ship quickly in a highly iterative environment while maintaining engineering standards.

Skills

Full-stack development

LLMs & AI infra

ML deployment

Systems thinking

Startup experience

Customer collaboration

Ownership

Job description

Recruiting from Scratch LLC in New York City seeks a Founding Full-Stack Engineer to help define a new AI infrastructure platform. You will join an early engineering team building semantic query and context-management systems.

You will own end-to-end features, deploy ML components, work with customers, and ship rapidly in a highly iterative startup environment.

This in-person role offers meaningful equity and close collaboration with the founders.