Founding Software Engineer, Full-Stack

Eloquent AI (YC X25); San Francisco (CA); On-site; USD 120,000 - 180,000; Full time

Job summary

Join Eloquent AI as a Founding Full-Stack Engineer, where you will design and scale innovative AI-powered applications that transform enterprise interactions. Leverage your expertise in modern web technologies and cloud infrastructures to build responsive, real-time solutions that enhance user experiences and automate workflows.

Qualifications

• 4+ years of hands-on experience in full-stack production applications.
• Experience with modern web technologies (React, TypeScript, Node.js).
• Familiarity with AI applications and cloud infrastructure (AWS, GCP, Azure).

Responsibilities

• Design and build full-stack applications for AI-driven workflows.
• Develop high-performance front-end interfaces and scalable backends.
• Collaborate with AI researchers and ML engineers for application integration.

Skills

Full-stack development

Software engineering

Collaboration

Problem solving

Tools

React

TypeScript

Node.js

Python

Go

AWS

GCP

Azure

Job description

As a Founding Full-Stack Engineer at Eloquent AI, you will be at the forefront of building and scaling AI-powered applications, transforming how enterprises interact with intelligent agents. You’ll work across the entire stack, developing high-performance front-end experiences and scalable back-end systems that power real-time AI-driven workflows.

This role requires strong software engineering skills, a deep understanding of full-stack development, and the ability to work in a fast-paced, AI-first environment. You’ll collaborate with engineers, AI researchers, and product teams to build enterprise-grade solutions that enable seamless AI-human interactions.

You will:

• Design and build full-stack applications that power AI-driven workflows for enterprise users.
• Develop high-performance front-end interfaces for AI agent control, monitoring, and visualization.
• Build scalable backend services that support real-time AI interactions, knowledge retrieval, and automation.
• Optimize AI-powered UIs to ensure seamless and intuitive user experiences.
• Work closely with AI researchers and ML engineers to integrate LLMs, Retrieval-Augmented Generation (RAG), and automation into production-ready applications.
• Ship robust, minimal-dependency code that performs efficiently in enterprise environments.
• Continuously iterate and refine AI-driven products, balancing user needs with technical feasibility.

Requirements:

• 4+ years of hands-on experience building full-stack production applications.
• Proficiency in modern web technologies, including React, TypeScript, and Node.js.
• Experience with backend development using Python, Go, or similar languages.
• Strong knowledge of cloud infrastructure (AWS, GCP, or Azure) and scalable architectures.
• Understanding of AI-powered applications, including LLMs, chat interfaces, and agentic workflows.
• Ability to work in a fast-paced, high-autonomy environment, solving complex problems and delivering impact.
• Strong collaboration skills, with experience working in cross-functional teams with engineers, designers, and AI researchers.

Bonus Points If…

• You have experience building AI-powered applications with LLM integrations.
• You’ve worked in high-performance startups or enterprise AI environments.
• You have a sharp eye for UI/UX design and have built intuitive, AI-driven interfaces.
• You have experience with GraphQL, WebSockets, or real-time data streaming.
• You’ve contributed to open-source projects or have built developer tools for AI.