Spoon

Senior Python Engineer – AI Agents, Forecasting

Spoon

full-time

Posted on:

Location Type: Hybrid

Location: LondonUnited Kingdom

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Salary

💰 £80,000 - £120,000 per year

Job Level

Tech Stack

About the role

  • You'll architect and build the core infrastructure of the Numinous platform. This is the backbone that allows autonomous AI agents to ingest data, reason, compete, and forecast.
  • Designing and building the agent orchestration pipeline that allows AI forecasters to ingest data, reason, and produce predictions.
  • Building and optimising the signal pipeline that feeds real-world data into forecasting models.
  • Experimenting with different forecasting architectures to find optimal approaches for linking targets to signals.
  • Writing production-grade Python that handles complexity at scale, not scripts that work in a notebook.
  • Contributing to technical strategy alongside the founders. You'll have a voice in what gets built and why.
  • Evaluating and vetting technical candidates as the engineering team grows.

Requirements

  • 5+ years building production-grade Python backends. You know the internals, not just the syntax.
  • Hands-on experience with LLM orchestration frameworks such as LangChain or LangGraph (agent memory, tool calling, state management)
  • Dagster in production (assets, sensors, partitions) or equivalent pipeline orchestration
  • Strong backend fundamentals including API design, async programming, and database modelling
  • You've built systems that had to work reliably at scale, not just pass a demo
  • Worked at an early-stage startup or high-growth environment. You understand the pace.
  • Built and shipped production systems, not just prototypes
  • Comfortable being the most senior engineer in the room, or the only one
Benefits
  • Equity: Competitive for the right candidate
Applicant Tracking System Keywords

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

Hard Skills & Tools
PythonLLM orchestration frameworksLangChainLangGraphDagsterAPI designasync programmingdatabase modellingproduction-grade systemsforecasting architectures
Soft Skills
technical strategy contributionevaluating technical candidatesleadershipcommunicationadaptability