Home
Jobs
Sartre Group
Senior Full Stack Engineer – AI Platform

Senior Full Stack Engineer – AI Platform

Hybrid

New york city, United states

$ 300,000 /year

Senior

Full Time

17-09-2025

Share this job:

Score my CV

Skills

Python TypeScript SQL Research Architecture react node.js AWS JS Next.js OpenAI Langchain

Job Specifications

Senior/Staff Full Stack (JS) Engineer - AI Platform (NYC, Hybrid)

Location: Midtown NYC (Hybrid, 3-4 days onsite)

Compensation: $150,000-$300,000 base + bonus (DOE)

We're working with a fully funded AI startup backed by a major investment firm. The team builds internal tools that use LLMs to extract insights from financial data (e.g., earnings calls, broker notes, internal research). The platform is live and used daily across the business.

You'll be part of a small engineering team, building full-stack systems from scratch - real-time UIs, backend services, and LLM integrations.

Tech Stack

Frontend: React, Next.js, TypeScript
Backend: Node.js, Python, WebSockets, AWS
AI/ML: OpenAI API, LangChain (or similar)

Requirements

4+ years software engineering experience
Strong in React/Next.JS, TypeScript and Node.js or Python and SQL
Experience building and owning end-to-end systems
Comfortable working onsite 3-4 days/week in NYC
Interest or experience in AI/LLMs (integration-level is fine)

Nice to Have

Event-driven architecture, real-time data tools
Experience in startups or small engineering teams
Background in internal tools, data platforms, or finance (not required)
Experience mentoring, levelling up developers

If you're interested, apply here. Only considering NYC-based candidates or those relocating. No remote.

About the Company

Sartre Group is an executive search firm providing strategic recruitment solutions to companies across the United States, Europe and Asia. Our core expertise lie in servicing some of the world’s most reputable companies in the Investment Industry, particularly those utilizing sophisticated quantitative methods and state-of-the-art machine learning/Artificial intelligence techniques. Our key clients are hedge funds, Investment banks, trading companies and businesses deploying advanced data analytics. At Sartre Group we pride... Know more