Senior Full-Stack Engineer (TypeScript & LLM Integration) - £110K, Remote UK (United Kingdom)
Senior Full-Stack Engineer (TypeScript & LLM Integration) - £110K, Remote UK (United Kingdom)

Senior Full-Stack Engineer (TypeScript & LLM Integration) - £110K, Remote UK (United Kingdom)

Full-Time 48000 - 66000 £ / year (est.) Home office possible
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At a Glance

  • Tasks: Join a dynamic team to build innovative AI-powered software using TypeScript and advanced LLMs.
  • Company: Be part of an exciting AI start-up at the forefront of technology and innovation.
  • Benefits: Enjoy remote work flexibility, competitive salary, and equity options.
  • Why this job: Contribute to cutting-edge projects that enhance user experiences and shape the future of AI.
  • Qualifications: Experience with TypeScript, Next.js, and integrating AI models is essential.
  • Other info: Ideal for passionate developers eager to learn and grow in a fast-paced environment.

The predicted salary is between 48000 - 66000 £ per year.

A hugely exciting AI start-up is seeking several experienced Full-Stack Engineers to join a dynamic product team, focused on building innovative software powered by cutting-edge AI technologies. This is a unique opportunity for a passionate developer to contribute to an ambitious product and work at the forefront of AI integration.

About the Role

The successful candidate will work within a unified codebase that powers both the B2B software platform and its custom AI capabilities. Responsibilities will span the full feature lifecycle, from design (including data structures) to AI integration, enhancing user experiences through advanced Large Language Models.

Key Responsibilities

  • Build and maintain web application features using TypeScript, React, Node + Next.js
  • Contribute to and maintain a monorepo that includes both the B2B SaaS platform and AI/LLM modules
  • Integrate and optimize commercially available LLMs (e.g., OpenAI, Gemini) via prompt engineering and inference pipeline management
  • Implement multi-step LLM workflows using orchestration frameworks such as LangChain.
  • Design and optimize the MySQL database
  • Develop and maintain type-safe RPC endpoints using tRPC and TypeScript to ensure smooth frontend-backend communication
  • Rapidly onboard to a modern TypeScript stack to support high-velocity feature development

Required Qualifications

  • Proven experience working in a unified codebase combining application logic and AI/LLM components
  • Strong proficiency in building modern web applications with Next.js, tRPC, TypeScript, and Prisma
  • Practical experience integrating with AI models such as ChatGPT or Gemini, including prompt engineering and API management
  • Familiarity with tools like LangChain (or similar) to implement multi-step AI workflows
  • A demonstrated ability to learn quickly and deliver functional features in a fast-paced environment

Preferred Qualifications

  • Experience deploying and fine-tuning custom AI models
  • Prior experience developing B2B software platforms with multi-user functionality
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Contact Detail:

Placed Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Senior Full-Stack Engineer (TypeScript & LLM Integration) - £110K, Remote UK (United Kingdom)

Tip Number 1

Familiarise yourself with the latest advancements in AI and LLM technologies. Being able to discuss recent developments or trends during your interview can showcase your passion and knowledge, making you a more attractive candidate.

Tip Number 2

Engage with the developer community on platforms like GitHub or Stack Overflow. Contributing to open-source projects related to TypeScript or AI can not only enhance your skills but also demonstrate your commitment to continuous learning and collaboration.

Tip Number 3

Prepare to discuss specific projects where you've integrated AI models or worked with TypeScript and Next.js. Having concrete examples ready will help you illustrate your experience and problem-solving abilities effectively.

Tip Number 4

Network with current employees or alumni from the company. They can provide insights into the company culture and expectations, which can be invaluable when tailoring your approach during interviews.

We think you need these skills to ace Senior Full-Stack Engineer (TypeScript & LLM Integration) - £110K, Remote UK (United Kingdom)

Proficiency in TypeScript
Experience with React
Knowledge of Node.js and Next.js
Familiarity with tRPC and Prisma
Understanding of Large Language Models (LLMs)
Prompt engineering skills
Experience with AI model integration (e.g., ChatGPT, Gemini)
Ability to design and optimise MySQL databases
Experience with orchestration frameworks like LangChain
Strong understanding of web application architecture
Experience with monorepo management
Ability to work in a fast-paced environment
Strong problem-solving skills
Excellent communication skills
Adaptability to new technologies

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights your experience with TypeScript, Next.js, and AI integration. Use specific examples of projects where you've built web applications or worked with LLMs to demonstrate your skills.

Craft a Compelling Cover Letter: In your cover letter, express your passion for AI technologies and how your background aligns with the role. Mention specific experiences that relate to the responsibilities outlined in the job description, such as integrating AI models or working in a unified codebase.

Showcase Relevant Projects: If you have any personal or professional projects that involve the technologies mentioned (like TypeScript, React, or AI models), include them in your application. This can help illustrate your hands-on experience and problem-solving abilities.

Highlight Soft Skills: Don't forget to mention soft skills that are crucial for a fast-paced environment, such as adaptability, teamwork, and communication. These qualities are often just as important as technical skills in a dynamic product team.

How to prepare for a job interview at Placed

Showcase Your Technical Skills

Be prepared to discuss your experience with TypeScript, Next.js, and AI integration in detail. Bring examples of past projects where you've successfully implemented these technologies, as this will demonstrate your capability to handle the responsibilities outlined in the job description.

Understand the Company’s AI Focus

Research the latest trends in AI and how they relate to the company's products. Being able to discuss how you can contribute to their AI initiatives, especially with LLMs, will show your genuine interest and understanding of their mission.

Prepare for Problem-Solving Questions

Expect technical questions that assess your problem-solving skills, particularly around integrating AI models and optimising workflows. Practise explaining your thought process clearly, as communication is key in a collaborative environment.

Ask Insightful Questions

Prepare thoughtful questions about the team dynamics, the technology stack, and future projects. This not only shows your enthusiasm for the role but also helps you gauge if the company culture aligns with your values.

Senior Full-Stack Engineer (TypeScript & LLM Integration) - £110K, Remote UK (United Kingdom)
Placed
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  • Senior Full-Stack Engineer (TypeScript & LLM Integration) - £110K, Remote UK (United Kingdom)

    Full-Time
    48000 - 66000 £ / year (est.)
  • P

    Placed

    50-100
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