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Machine Learning Engineer

Stealth iT Consulting
Bristol
2 days ago
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About the Role

We’re looking for a Machine Learning Engineer to design, build, and optimise next-generation Conversational AI systems that power intelligent, human-like digital assistants across the public sector. This is a permanent position offering remote working and flexibility with occasional client visits, expenses covered.


You’ll work on agentic AI workflows, fine-tune large language models, and ensure our systems are reliable, explainable, and secure - directly contributing to innovations that help government services run smarter and faster.


What You’ll Do

  • 🧠 Design & Build: Develop agentic AI workflows using frameworks like LangChain or LlamaIndex for complex, multi-step reasoning.
  • ⚙️ Model Optimisation: Fine-tune LLMs to improve accuracy, reduce latency, and lower infrastructure costs.
  • 🧪 Evaluation & Reliability: Build robust model evaluation frameworks to ensure consistency across model and code changes.
  • 🧩 Core Engineering: Develop scalable backend services in Python 3 with Git, FastAPI, or Django REST Framework.
  • ☁️ Cloud Integration: Work with Google Vertex AI, Amazon Bedrock, and Azure AI to integrate foundation models and APIs.
  • 🗂️ Contextual Retrieval: Use vector databases and retrieval systems to enhance contextual understanding.
  • 🤝 Collaboration: Partner with data scientists, engineers, and designers to continuously improve agent performance and reasoning.


Who You Are

You’re a hands-on engineer who’s excited by the intersection of AI, language, and systems engineering - someone who thrives in a collaborative, mission-driven environment.


You bring:

  • Proven experience deploying machine learning models into production environments.
  • Strong Python skills and experience with LLM frameworks (LangChain, LlamaIndex, HuggingFace Transformers).
  • Knowledge of conversational AI platforms (Dialogflow, Lex, Rasa).
  • Familiarity with TensorFlow, PyTorch, Keras, scikit-learn, and Pandas.
  • Experience integrating with cloud-based AI services (AWS, Google Cloud, Azure).
  • The ability to communicate complex technical concepts clearly and confidently.


Desirable (Not Essential)

  • Experience with AI application interfaces (MCP protocol).
  • Knowledge of multi-agent orchestration (LangGraph, AutoGen, CrewAI).
  • Familiarity with AI safety and observability tools (TruLens, Helicone, Guardrails AI).
  • Experience with Axolotl, LoRA, or QLoRA fine-tuning methods.


Why Join Us

  • 💡 Work on cutting-edge AI systems that make a tangible difference in how public services are delivered.
  • 🌍 Fully remote, flexible culture.
  • 🧭 Contribute to meaningful projects in science, innovation, and technology.
  • ⚡ Rapid, 1-stage interview process — no bureaucracy, just great conversations.

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