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Senior Machine Learning Engineer (Knowledge Graph expert) - Selby Jennings

Jobs via eFinancialCareers
City of London
1 week ago
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Senior Machine Learning Engineer (Knowledge Graph expert) - Selby Jennings

Our client, a leading multi-strategy hedge fund managing over $20 billion of AUM, is seeking a Senior ML Engineer to join their high-performing Applied AI team, driving a new era of intelligent systems that underpin the organisation’s most critical decision‑making. You will be developing production‑grade AI systems that empower portfolio managers, analysts, and researchers with intelligent, data‑driven capabilities, designing scalable systems that integrate cutting‑edge AI models, including LLMs, and leveraging expertise in Knowledge Graphs and Graph Databases (Neo4j preferred).


Responsibilities

  • Design and build intelligent data retrieval systems that power AI‑driven investment tools.
  • Collaborate with ML researchers to prototype, develop, and deploy new AI/ML products.
  • Work with frontend engineers to integrate backend systems into user‑facing applications.
  • Lead architectural decisions and contribute to the evolution of AI infrastructure.
  • Participate in the full software development lifecycle, from design through deployment and support.
  • Mentor junior engineers and contribute to a culture of technical excellence.
  • Support critical infrastructure through on‑call rotations and incident response.

Requirements

  • 10+ years of professional software engineering experience, with 4+ years focused on ML systems.
  • Must have expertise in Knowledge Graphs and Graph Databases (Neo4j preferred).
  • Advanced proficiency in Python, including ML libraries (e.g., PyTorch, scikit‑learn).
  • Strong experience with distributed systems, data engineering, and API development.
  • Proficiency in both SQL and NoSQL databases.
  • Familiarity with Docker, Kubernetes, and CI/CD pipelines.
  • Experience integrating LLMs and RAG systems into production environments.
  • Familiarity with OpenAI, Anthropic Claude, or similar AI platforms.
  • Experience with vector databases and semantic search.
  • Understanding of AI agent architectures and multi‑agent systems.
  • Exposure to observability tools like Grafana, Prometheus, or Sentry.


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