Web Design jobs in United Kingdom

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Opus Recruitment Solutions

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4

10.06.2025

25.07.2025

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I am currently recruiting on behalf of a forward-thinking technology company that is pioneering the integration of AI into B2B software solutions. We are seeking a highly skilled Senior Full-Stack Engineer with a strong foundation in TypeScript and a keen interest in working with Large Language Models (LLMs).

This role offers the opportunity to contribute to a unified codebase that supports both a robust SaaS platform and advanced AI capabilities. You will be involved in the full development lifecycle—from architectural design and database modelling to the integration of LLMs—helping to shape intelligent, user-centric features.

Key Responsibilities

• Design, develop, and maintain web application features using Next.js and TypeScript
• Contribute to a monorepo encompassing both SaaS and AI/LLM components
• Integrate and optimize LLMs (e.g., OpenAI, Gemini) through prompt engineering and API orchestration
• Implement multi-step AI workflows using frameworks such as LangChain
• Design and optimize relational databases, particularly MySQL
• Develop type-safe RPC endpoints using tRPC for seamless frontend-backend communication
• Rapidly adapt to a modern development stack and contribute to high-velocity feature delivery

Required Qualifications

• Demonstrated experience working within integrated codebases that include both application logic and AI/LLM components
• Proficiency in React.js, Next.js, tRPC, TypeScript, and Prisma
• Strong understanding of MySQL, including schema design and performance optimization
• Practical experience integrating with LLMs, including prompt design and API management
• Familiarity with orchestration tools such as LangChain or similar
• Ability to learn quickly and deliver high-quality features in a dynamic, fast-paced environment

Preferred Qualifications

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

If you are a driven engineer looking to work at the intersection of modern web development and AI innovation, I would be delighted to discuss this opportunity with you further