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AI Research Engineer, Model Optimization and Inference at Iconic Interactive

Iconic Interactive is seeking an AI Research Engineer to build the engine that breathes life into virtual worlds. You’ll optimize massive LLMs and TTS models to run in real-time on consumer hardware, bridging the gap between research and interactive entertainment. Join a team of experts from top AI labs and game studios to redefine digital performance using C++, CUDA, and state-of-the-art inference techniques. This is a rare chance to shape the future of gaming at a seed-stage startup in London.

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Iconic Interactive

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Location

London, United Kingdom

Compensation

Not Disclosed

Company

Iconic Interactive

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Role overview

As an AI Research Engineer at Iconic Interactive, you will bridge the gap between massive research models and real-time interactive entertainment. You’ll architect high-performance inference pipelines for multimodal LLMs and TTS models, optimizing them to run on consumer hardware. Your work ensures digital entities perform seamlessly within the constraints of a game loop.

Iconic Interactive (Iconic) is an AI-native video game studio that builds intelligent, “living” game worlds and voice-driven interactive experiences, positioning itself at the intersection of artificial intelligence and AAA-quality game development.[17][4][13] The company focuses on creating AI-driven systems for dynamic storytelling, voice-based player interactions, and procedurally adaptive worlds, enabling previously impossible game experiences that respond in real time to player intent.[17][14] Its technology aims to make high-budget, AAA-style game production faster, cheaper, and more creative by using advanced machine learning and generative AI to streamline content creation and in-game behavior, allowing smaller teams to deliver rich, varied experiences traditionally requiring much larger studios.[13][4][16] Backed by a $4M pre-seed round and a subsequent $13M seed round led by prominent venture investors, Iconic is building a new category of AI-first, on-device, voice-driven games and “iconic universes” designed for broad, mainstream audiences.[2][4][10]

What you will do

  • Architect and maintain low-latency inference pipelines for Multimodal LLMs, TTS, and Vision models targeting server-side and consumer edge environments.
  • Implement state-of-the-art optimization techniques like Speculative Decoding, KV-Cache quantization, and custom CUDA/Triton kernels to minimize latency and maximize throughput.
  • Collaborate with game engineering teams to integrate thread-safe, non-blocking asynchronous inference directly into the game loop using C++ wrappers.

Who this is a fit for

  • Holds an MSc or PhD in Computer Science or ML with deep expertise in model optimization techniques like quantization, pruning, and distillation.
  • Possesses strong proficiency in C/C++ and Python, with hands-on experience deploying latency-sensitive ML models using frameworks like PyTorch or JAX.
  • Demonstrates specialized knowledge in LLM-specific optimizations such as KV-cache management, speculative decoding, and high-performance runtimes like TensorRT or ONNX.

Why this role is remarkable

  • Lead the technical frontier by taking cutting-edge research models and making them run in real-time on consumer hardware for interactive digital experiences.
  • Join a seed-stage startup founded by AI lab and game studio veterans, offering significant autonomy and end-to-end ownership of the inference engine.
  • Work at the unique intersection of System ML and Game Tech, shaping the core intelligence of virtual actors in next-generation entertainment.

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