Full Stack Engineer - AI, LLM

Base pay range

This range is provided by Oliver Bernard. Your actual pay will be based on your skills and experience — talk with your recruiter to learn more.

As a Full Stack Engineer, you will be an integral part of their product team, working within a unified codebase that powers their B2B software and custom AI modules. Your role will encompass the entire feature lifecycle, from initial design and data structuring to advanced AI integration, ensuring robust, scalable, and high-performance solutions.

• Design, build, and maintain web application features using Next.js, Node, Type Script and React
• Contribute to and optimise their monorepo, which includes both B2B SaaS platforms and AI/LLM modules.
• Integrate and fine-tune commercially available LLMs (e.g., OpenAI, Gemini) through prompt engineering and inference pipeline management.
• Implement multi-step LLM workflows using orchestration frameworks like Lang Chain.
• Design, optimise, and manage database architecture using MySQL.
• Develop and maintain type-safe RPC endpoints with tRPC and Type Script for seamless front-end and back-end communication.
• Rapidly onboard to their modern Type Script stack, ensuring high-velocity feature delivery.

• Proven experience working within complex, unified codebases that combine application logic with AI/LLM components.
• Expertise in modern web development with Next.js, tRPC, Type Script, and Prisma.
• Strong understanding of database design and optimisation, particularly with MySQL.
• Hands-on experience integrating with AI models like ChatGPT or Gemini, including prompt crafting and API management.
• Familiarity with Lang Chain or similar orchestration tools for multi-step AI workflows.
• Ability to quickly learn new technologies and deliver production-ready features in a dynamic environment.

• Experience deploying and fine-tuning custom AI models.
• Background in developing B2B software platforms with multi-user support.

• Mid-Senior level

• Full-time

• Information Technology and Engineering

• Software Development