Full-Stack Software Engineer

Eloquent AI (YC X25); London; On-site; USD 55,000 - 95,000; Full time

Job summary

A fast-growing AI company is seeking a Full-Stack Software Engineer to build and scale innovative AI-powered applications. As a key player, you will develop high-performance front-end experiences and robust back-end systems that redefine enterprise interactions with intelligent automation. We value collaboration, creativity, and technical excellence in a dynamic environment.

Qualifications

• 4+ years of experience building full-stack production applications.
• Strong knowledge of web technologies like React and Node.js.
• Familiarity with cloud infrastructure and scalable architectures.

Responsibilities

• Design and build applications that power AI workflows.
• Develop front-end interfaces for AI agents.
• Build backend services supporting real-time AI interactions.

Skills

React

TypeScript

Node.js

Python

Go

AWS

GCP

Azure

UI/UX Design

Job description

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This range is provided by Eloquent AI (YC X25). Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

Base pay range

$55,000.00/yr - $95,000.00/yr

As a 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.

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Engineering and Information Technology

• Industries

  Software Development

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