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Immersum

Javascript Developer

Immersum
United Kingdom · Full-time · Mid-Senior

Senior Javascript Engineer (Node.js / AI) | Publishing

📍 London (Hybrid – min. 1 day per week)

💰 Up to £80,000 (pro rata)

📄 6-month Fixed Term Contract


We’re partnering with a well-established publishing organisation undergoing a major digital and AI-led transformation. With a strong global presence, they’re investing heavily in modern engineering and intelligent systems to reshape how content is created, discovered and delivered.


They’re now looking for a Senior Backend Engineer with strong Node.js and AI integration experience to join on an initial 6-month FTC.


The Role

You’ll play a key role in building scalable backend services and AI-powered platforms, working on large-scale systems that power content and data experiences.

This is a hands-on engineering role with exposure to cutting-edge AI workflows and distributed systems.


You’ll:

  • Develop APIs and services using Node.js and TypeScript
  • Contribute to scalable, distributed systems and cloud architecture (AWS)
  • Work with structured and unstructured data across varied storage solutions
  • Build and integrate RAG pipelines and AI-driven workflows
  • Implement LLM integration patterns and multi-step orchestration
  • Collaborate with cross-functional teams to deliver robust, high-quality systems


What They’re Looking For

  • Strong experience with Node.js and TypeScript in production
  • Experience building scalable systems in AWS (or similar cloud platforms)
  • Solid understanding of data storage (MySQL, document stores, blob storage)
  • Hands-on experience with AI/LLM integrations
  • Exposure to tools such as:
  • Amazon Bedrock (or equivalent)
  • Vector/semantic search (e.g. OpenSearch)
  • Experience building AI-driven workflows and pipelines


Why This Role?

  • Opportunity to contribute to a high-impact AI transformation project
  • Work on real-world AI applications at scale
  • Strong engineering environment with modern tooling
  • Flexible hybrid setup (min. 1 day onsite in London)


If you’re a backend engineer with AI experience looking for your next contract, this is a great opportunity to get stuck into a forward-thinking project quickly.

📩 Apply via the link or reach out for a confidential conversation.

Key Skills

Ranked by relevance

ai cloud javascript storage mysql aws
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Posted
Apr 14, 2026
Type
Full-time
Level
Mid-Senior
Location
London Area
Company
Immersum

Industries

Book Periodical Publishing

Categories

Engineering Information Technology

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