LLM Platform Engineer - AI-First Data Tools + Equity

Uncountable; New York (NY); Hybrid; USD 125,000 - 160,000; Full time

Benefits offered by this job

Health and Dental Insurance

401K with Employer Contribution

Competitive Salary and Equity

Job summary

Uncountable Engineering is seeking experienced engineers to lead the transformation of our platform into an AI-first R&D ecosystem. We are building next-generation tools that empower scientists at Fortune 500 companies to accelerate discovery through Generative AI.

As an LLM Applications Engineer, you will architect our LLM infrastructure, designing retrieval systems, agentic workflows, and data pipelines that connect complex experimental data with actionable AI insights.

Qualifications

• 2+ years of software development experience with full-stack web applications.
• Proven experience with LLM orchestration frameworks (LangChain, LlamaIndex, Haystack).
• Proficiency in Python and JavaScript/TypeScript: ability to work across AI backend and React frontend.
• Solid API design, asynchronous processing, and performance optimization.

Responsibilities

• Design, build, and scale the LLM infrastructure and user-facing AI features.
• Connect LLM capabilities with core SQL databases and data analysis engines to ensure grounded AI responses.
• Collaborate across frontend and backend teams to deploy LLMs in production.

Skills

Full-stack development

LLM orchestration

Python

TypeScript

API design

Education

BS in CS or related field

Tools

Flask

Postgres

React

TypeScript

Redux

Sass

Job description

Uncountable Engineering is seeking experienced engineers to lead the transformation of our platform into an AI-first R&D ecosystem. We are building next-generation tools that empower scientists at Fortune 500 companies to accelerate discovery through Generative AI.

As an LLM Applications Engineer, you will architect our LLM infrastructure, designing retrieval systems, agentic workflows, and data pipelines that connect complex experimental data with actionable AI insights.