Senior AI / ML Engineer / Remote / LLMs / RAG / AI Platform

Job Description

An early-stage startup is hiring a remote full-time AI/ML Engineer to help build a next-generation communication platform from the ground up. The product is designed to make team collaboration faster, smarter, and more focused by deeply integrating AI into the core user experience.

This is a rare chance to join a well-funded founding team with a strong track record in scaling products used by millions. You’ll be part of a small, fast-moving engineering group focused on rapid iteration, elegant design, and exceptional UX.

Required Skills & Experience
· 5+ years of engineering experience, ideally including ML, NLP, or applied AI
· 2+ years hands-on with LLMs, transformers, and production-grade generative AI systems
· 2+ years experience with a server-side language (Go, TypeScript, Python, etc.)
· Experience building RAG systems using LangChain, LlamaIndex, or custom stacks
· Familiarity with evaluation tooling (e.g., Braintrust, Promptfoo) and quality metrics
· Experience with multi-modal inputs, fine-tuning open models, or agent-style orchestration

Desired Skills & Experience
· Startup experience or comfort with fast-paced environments
· Strong communication and collaboration skills
· Side projects or open-source contributions in AI/ML
· Experience with hybrid retrieval, vector store tuning, and relevance optimization

What You Will Be Doing

Tech Breakdown
· 40% LLMs / RAG Systems
· 30% Backend Development (Go, Python, TypeScript)
· 30% Evaluation, Monitoring, and Optimization

Daily Responsibilities
· 80% Hands On
· 20% Team Collaboration

The Offer
· Equity included

You will receive the following benefits:
· Medical, Dental, and Vision Insurance

Applicants must be currently authorized to work in the US on a full-time basis now and in the future.