Onsite NYC Full-Stack AI Engineer: Zero-to-One Builder

Tom Trese Networking LLC; New York (NY); On-site; USD 140,000 - 210,000; Full time

Job summary

Tom Trese Networking LLC in New York City is partnering with an early-stage AI startup to hire a Full Stack AI Engineer with strong zero-to-one product-building experience. This onsite role requires living within commuting distance to Manhattan and working from the office five days a week.

You will build AI-native products across frontend, backend, and AI systems, taking ownership from idea to production. You will build AI-native products from the ground up, collaborating with founders to shape

Qualifications

• Experience building and launching products from zero to one in a startup setting.
• Strong experience with frontend and backend development using modern stacks.
• Proficiency with React/Next.js and API-driven architectures is required.

Responsibilities

• Build, test, launch, and improve full-stack products from zero to one.
• Develop modern frontend applications using React, Next.js, or similar technologies.
• Build backend services, APIs, databases, and third-party integrations.
• Create AI-powered features using large language models and multimodal models.
• Build AI agents that can use tools, complete workflows, and interact with external systems.
• Develop retrieval-augmented generation, embeddings, vector search, and knowledge systems.
• Integrate voice AI, speech-to-text, text-to-speech, or real-time conversational systems.
• Implement structured outputs, tool calling, model routing, and human approval workflows.
• Build evaluation, monitoring, and testing systems for AI performance.
• Improve application reliability, scalability, security, latency, and AI inference costs.
• Work directly with founders, users, and product stakeholders.
• Help make product, architecture, and technology decisions.

Skills

Frontend and backend development

Strong TypeScript/JavaScript

Startup experience

Product ownership

Tools

React

Next.js

Node.js

Python

Go

FastAPI

APIs

PostgreSQL

Cloud infrastructure

Job description

Tom Trese Networking LLC in New York City is partnering with an early-stage AI startup to hire a Full Stack AI Engineer with strong zero-to-one product-building experience. This onsite role requires living within commuting distance to Manhattan and working from the office five days a week.

You will build AI-native products across frontend, backend, and AI systems, taking ownership from idea to production. You will build AI-native products from the ground up, collaborating with founders to shape