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Senior Python and LLM Developer

London Area, United Kingdom Full-time Posted 2 weeks ago

We're Hiring: Senior Python & LLM Developer (10+ Years Experience)

Are you passionate about building intelligent systems powered by Large Language Models (LLMs), Agentic AI, RAG Architectures, and Conversational AI?

We are looking for a highly skilled Senior Python & LLM Developer to join our AI engineering team and help shape the next generation of AI-driven products. This is an exciting opportunity to work on cutting-edge technologies including LangChain, LangGraph, Agentic Frameworks, RAG Pipelines, Vector Databases, Knowledge Graphs, and Cloud AI Services.

🌟 What You'll Do

As a Senior Python & LLM Developer, you will play a critical role in designing, building, and deploying enterprise-grade AI solutions that solve complex business challenges.

Key Responsibilities

πŸ”Ή Develop and deploy advanced AI/ML solutions leveraging LLMs, NLP, and Agentic AI frameworks

πŸ”Ή Design and implement sophisticated Retrieval-Augmented Generation (RAG) architectures to deliver accurate, context-aware AI experiences

πŸ”Ή Build intelligent, stateful AI agents and multi-agent workflows using LangChain, LangGraph, StateGraph, CrewAI, LlamaIndex, and similar frameworks

πŸ”Ή Develop scalable backend services and high-performance APIs using Python, FastAPI, HTTP, and gRPC

πŸ”Ή Create next-generation conversational AI platforms, chatbots, and virtual assistants through advanced prompt engineering and agent orchestration

πŸ”Ή Integrate AI applications with SQL, NoSQL, Vector Databases, Knowledge Graphs, and third-party systems

πŸ”Ή Implement MLOps best practices and contribute to CI/CD pipelines using Docker, Kubernetes, and Cloud Platforms

πŸ”Ή Collaborate with Data Scientists, Architects, Product Managers, and Engineering teams to deliver innovative AI solutions

πŸ”Ή Stay at the forefront of emerging AI technologies and drive innovation across the organization


πŸ”₯ Must-Have Skills

βœ” 10+ years of professional software development experience with strong expertise in Python

βœ” Extensive hands-on experience with:

  • LangChain
  • LangGraph
  • StateGraph
  • LlamaIndex
  • CrewAI
  • Agentic AI Frameworks

βœ” Proven experience designing and implementing RAG (Retrieval-Augmented Generation) solutions

βœ” Strong expertise in:

  • Prompt Engineering
  • Conversational AI
  • NLP Applications
  • AI Agent Development

βœ” Experience building scalable APIs using FastAPI

βœ” Strong understanding of:

  • HTTP & gRPC
  • Docker & Kubernetes
  • MLOps & AI Deployment
  • Cloud AI Services (AWS, Azure, or GCP)

βœ” Experience deploying production-grade AI solutions on enterprise platforms


⭐ Nice to Have

βœ” Experience with Vector Databases:

  • Pinecone
  • Chroma
  • FAISS

βœ” Experience with Knowledge Graph technologies:

  • Neo4j
  • RDF
  • Graph Databases

βœ” Exposure to additional languages such as Java, C#, or JavaScript

βœ” Open-source contributions, AI research, publications, or GitHub projects


πŸŽ“ Qualifications

  • Bachelor's or Master's Degree in Computer Science, Artificial Intelligence, Machine Learning, or a related field
  • Demonstrable portfolio of AI, NLP, LLM, or Agentic AI projects


πŸ… Preferred Certifications

βœ” AWS / Azure / GCP Cloud Certifications

βœ” AI / Machine Learning Certifications


πŸ’‘ Why Join Us?

✨ Work on cutting-edge Generative AI and Agentic AI initiatives

✨ Build large-scale enterprise AI applications used by global customers

✨ Collaborate with top AI Engineers, Data Scientists, and Architects

✨ Influence technical direction and AI strategy

✨ Continuous learning and exposure to the latest advancements in LLMs, RAG, Agents, and AI Platforms

✨ Opportunity to solve real-world business problems using transformative AI technologies


πŸ“© Ready to build the future of AI?

If you're excited about LLMs, Agentic AI, RAG, Conversational AI, Knowledge Graphs, and scalable AI platforms, we'd love to connect with you.

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