Senior Full Stack Engineer - TypeScript, LLMs

JR United Kingdom; United Kingdom; Remote; GBP 50,000 - 80,000; Full time

Job summary

A growing AI start-up in the UK seeks a Senior Full Stack Engineer to work with cutting-edge technologies. This fully remote role involves developing web applications, integrating AI models, and optimizing user experiences. Ideal candidates will have strong skills in TypeScript and experience in B2B software solutions.

Qualifications

• Experience with Next.js, tRPC, TypeScript, Prisma.
• Strong database skills, ideally with MySQL.
• Hands-on experience integrating AI models (e.g., ChatGPT, Gemini).

Responsibilities

• Develop and maintain web applications using TypeScript, React, Node, and Next.js.
• Contribute to a monorepo encompassing B2B SaaS and AI modules.
• Integrate Large Language Models (LLMs) through prompt engineering.

Skills

TypeScript

React

Node

Next.js

MySQL

AI integration

tRPC

Prisma

Job description

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Senior Full Stack Engineer - TypeScript, LLMs, United Kingdom

Client: Oliver Bernard

Location: United Kingdom

Job Category: Other

EU work permit required: Yes

Job Views: 1

Posted: 23.05.2025

Expiry Date: 07.07.2025

Job Description:

Senior Full Stack Engineer - TypeScript, LLMs

Fully Remote - UK based

Oliver Bernard has partnered with a growing AI start-up that has recently secured another round of funding. They are looking for talented Senior Full Stack Engineers to shape the product and company from the ground up.

We are seeking a Mid Level Engineer to join our client's dynamic product team. This is an incredible opportunity to work with cutting-edge AI technologies and drive innovation in B2B software solutions.

Role Overview:

As a Senior Full-Stack Engineer, you will contribute to a unified codebase powering both B2B platforms and custom AI integrations. You will be involved in the full feature lifecycle, from design and development to optimising AI-driven user experiences.

Key Responsibilities:

• Develop and maintain web applications using TypeScript, React, Node, and Next.js.
• Contribute to a monorepo encompassing B2B SaaS and AI modules.
• Integrate Large Language Models (LLMs) like OpenAI and Gemini through prompt engineering.
• Optimise MySQL databases for performance and scalability.
• Build type-safe RPC endpoints with tRPC and TypeScript.

Requirements:

• Experience with Next.js, tRPC, TypeScript, Prisma.
• Strong database skills, ideally with MySQL.
• Hands-on experience integrating AI models (e.g., ChatGPT, Gemini).
• Familiarity with LangChain or similar orchestration tools.
• Fast learner, adaptable in high-paced environments.

Preferred Skills:

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