Senior Python and LLM Developer

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

🔹 Develop and deploy advanced AI/ML solutions leveraging LLMs, NLP, and Agentic AI frameworks

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

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

🔹 Develop scalable backend services and high-performance APIs using Python, FastAPI, HTTP, and gRPC

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

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

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

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

🔹 Stay at the forefront of emerging AI technologies and drive innovation across the organization

🔥 Must-Have Skills

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

✔ Extensive hands-on experience with:

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

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

✔ Strong expertise in:

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

✔ Experience building scalable APIs using FastAPI

✔ Strong understanding of:

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

✔ Experience deploying production-grade AI solutions on enterprise platforms

⭐ Nice to Have

✔ Experience with Vector Databases:

  • Pinecone
  • Chroma
  • FAISS

✔ Experience with Knowledge Graph technologies:

  • Neo4j
  • RDF
  • Graph Databases

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

✔ Open-source contributions, AI research, publications, or GitHub projects

🎓 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

🏅 Preferred Certifications

✔ AWS / Azure / GCP Cloud Certifications

✔ AI / Machine Learning Certifications

💡 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

📩 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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Job Details

Company
Mphasis
Location
City of London, London, United Kingdom
Posted