Sibylline Ltd

Senior Full-Stack Software Engineer

Sibylline Ltd

full-time

Posted on:

Location Type: Remote

Location: Remote • 🇬🇧 United Kingdom

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Job Level

Senior

Tech Stack

AzureCloudJavaScript.NETNode.jsPythonReactTypeScript

About the role

  • Designing, building, and maintaining data ingestion pipelines from internal and third-party sources
  • Developing and maintaining backend services and APIs that power the platform
  • Building front-end features and data visualisations used by analysts and intelligence teams
  • Working with LLMs and AI-enabled workflows (e.g. enrichment, summarisation, search, discovery)
  • Collaborating closely with analysts, product managers, and engineers to translate intelligence needs into reliable software
  • Owning solutions end-to-end, from design through to production support

Requirements

  • Strong experience as a senior full-stack developer in production environments
  • Experience building and integrating with APIs and data pipelines
  • Hands-on cloud experience, ideally Azure
  • Interest in AI/LLMs and applied machine learning in real products
  • A genuine curiosity about corporate intelligence, geopolitics, security, or risk
  • Computer science background (or equivalent real-world experience)
  • React, TypeScript, and modern visualisation libraries
  • Backend engineering experience (e.g. Python, Node.js, .NET)
  • Experience working with LLM APIs
  • Experience working with data-intensive cloud applications
Benefits
  • Fantastic opportunities for career progression
  • Exposure to high-profile clients and challenges

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard skills
full-stack developmentAPI integrationdata pipelinescloud computingAzureAImachine learningReactTypeScriptPython
Soft skills
collaborationcommunicationcuriosityproblem-solving