Software Engineer (£100-130k + Equity) at Joinkult.ai

  • Jack & Jill/External ATS
  • 22/05/2026
Full time Information Technology Telecommunications

Job Description

Job Title

Software Engineer

Salary

£100k-130k + Equity

Company Description

Joinkult.ai - Building a real time AI copilot for gamers

Job Description

As the second engineer at Kult, you will build a real time AI voice assistant that watches gameplay and provides expert advice without needing an alt tab. You will orchestrate complex LLM pipelines, develop low latency voice interactions, and scale a deep game knowledge engine to enhance the experience for players across every genre.

Location

London, UK

Why this role is remarkable
  • Join as the second engineer and founding team member, directly shaping the technical architecture and product direction from the ground up.
  • Work at the absolute bleeding edge of AI, integrating real time computer vision, voice pipelines (WebRTC), and complex RAG architectures for gaming.
  • Build a product for a passionate global audience of gamers, solving high speed interaction challenges that haven't been solved in the industry yet.
What you will do
  • Design and implement real time voice interaction systems that feel natural and responsive enough for high stakes competitive gaming environments.
  • Architect a massive knowledge engine that extracts and models complex game mechanics, items, and strategies from diverse, unstructured data sources.
  • Develop computer vision systems to recognize game states and player context in milliseconds, delivering proactive assistance through natural conversation.
The ideal candidate
  • Expert level TypeScript full stack skills with deep experience in Node.js, React, and Postgres, capable of owning features from schema to UI.
  • Proven experience building with LLMs, specifically orchestrating multi step reasoning, prompt engineering, and managing context assembly under strict latency constraints.
  • A dedicated gamer with deep domain expertise in RPGs, strategy, or competitive titles who intuitively understands what players need mid session.