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Senior Javascript Engineer

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Immediate Media Co

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Location:
United Kingdom , London

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Category:
IT - Software Development

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Contract Type:
Not provided

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Salary:

76000.00 GBP / Year
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Job Description:

You’ll be working on Fabric, our digital publishing platform, to design and build scalable APIs and AI powered text, audio and video content services, that integrate internal systems with third party platforms. Reporting to the Lead UI Developer, the Senior JavaScript Engineer will be expected to develop, maintain, and support our digital products in accordance with the business and technology objectives.

Job Responsibility:

  • Immerse yourself in our technical ecosystem
  • Develop and test new features, and support existing ones
  • Build reusable code, packages and libraries for future use
  • Optimise code for maximum speed and scalability against an agreed performance budget
  • Use testing frameworks to ensure automated test coverage for platform functionality
  • Collaborate with other team members Delivery Manager and Product Owner to help plan new functionality or major enhancements
  • Write and improve technical documentation when necessary

Requirements:

  • Developing JavaScript APIs and services using Node.js and TypeScript
  • Working with Node/TypeScript within large-scale projects
  • Distributed systems, scalability and cloud architecture (preferably AWS)
  • Building and working with mixed data formats (structured and unstructured) and storage (e.g. blob storage, MySQL, Document Storage)
  • Building and integrating with RAG pipelines
  • Building and maintaining multi-step workflows and processes orchestrated by AI
  • LLM integration patterns
  • Implementing AI solutions using AWS, or an equivalent, such as: Model access and orchestration e.g. Amazon Bedrock
  • Vector and semantic search e.g. Amazon OpenSearch
What we offer:
  • A relaxed working environment with regular socials including a summer festival
  • Immediate Community webinars, well-being initiatives and Mental Health First aiders
  • 25 days holiday plus a day for your birthday. Our offices will be closed between Christmas and New Year’s which are in addition to your annual entitlement
  • Tailored training and development through our Love Learning platform
  • A progressive and transparent culture with clear career progression
  • Flexible / hybrid working plus early finish Fridays
  • Cycle to work scheme
  • Enhanced Family Policies including paternity, adoption and surrogacy leave. We also provide a pregnancy loss, fertility, and carers policy
  • Competitive pension plans and Life Assurance
  • A newly renovated modern office with lots of collaborative spaces

Additional Information:

Job Posted:
March 13, 2026

Employment Type:
Fulltime
Work Type:
Hybrid work
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