LLM Systems Engineer - AI Prototyping & Deployment

PA Consulting; Greater London; Hybrid; GBP 60,000 - 95,000; Full time

Benefits offered by this job

Hybrid working

Private healthcare

25 days annual leave

Pension scheme

Performance-based bonus

PA share ownership

Cycle to work

Job summary

PA Consulting seeks software engineers or data scientists who are passionate about AI to join our cross-functional teams. You’ll prototype and problem-solve with clients, whiteboard collaboratively, and experiment with LangChain, LlamaIndex, and other AI frameworks.

You’ll build RAG prototypes, develop agentic architectures on the Genie Platform, and explore MLOps tooling and cloud deployments across AWS, Azure, or GCP.

Qualifications

• Software engineers with a passion for AI – or data scientists who’ve embraced engineering.
• People who experiment, prototype, and explore emerging AI tools in their own time.
• Strong foundation in a language suited to AI system development and data workflows.
• Experience integrating models with APIs, data sources, or production systems.
• Curiosity about LLMs, RAG pipelines, and agent frameworks.
• Understanding of cloud-native and DevOps practices.
• A collaborative mindset and willingness to share, learn, and teach.
• Understanding of prompt and context engineering and model evaluation.
• Solid grasp of distributed systems, microservices, and RESTful APIs.
• An understanding of LLMOps tools for managing GenAI workflows.

Responsibilities

• Work to agile best practices and cross-functional with multiple teams and stakeholders.
• Live in-person whiteboarding sessions to problem solve as a team.
• Experimenting with Generative AI frameworks and tools.
• Building retrieval-augmented generation (RAG) prototypes with vector stores and knowledge graphs.
• Developing and testing agentic architectures through our Genie Platform.
• Exploring LLMOps and model observability tools.
• Deploying solutions on cloud and DevOps environments with the right tools.
• Constantly learning, testing, and sharing findings across our AI community.

Skills

AI engineering

Prototyping

Experimentation

REST APIs

Cloud platforms

DevOps

Team collaboration

Prompt engineering

Tools

LangChain

LlamaIndex

Hugging Face

OpenAI API

Anthropic API

Job description

PA Consulting seeks software engineers or data scientists who are passionate about AI to join our cross-functional teams. You’ll prototype and problem-solve with clients, whiteboard collaboratively, and experiment with LangChain, LlamaIndex, and other AI frameworks.

You’ll build RAG prototypes, develop agentic architectures on the Genie Platform, and explore MLOps tooling and cloud deployments across AWS, Azure, or GCP.