Senior AI Engineer
The Portfolio Group · London · posted 16 days ago
Going rate £54,900UK median £60,288London £74,574
Home Office going rates from
Occupation
2133IT business analysts, architects and systems designers
Going rate for this occupation: £54,900 · UK median pay £60,288
Home Office going rates from
Where this salary sits
- UK pay for this occupation
- This role£80,000 to £100,000stated
- Going rate£54,900
- UK median£60,288
View these figures as a table
| Percentile | Pay |
|---|---|
| 10th | £35,504 |
| 25th | £45,860 |
| 50th | £60,288 |
| 75th | £81,932 |
| 90th | £100,418 |
| Going rate | £54,900 |
| UK median | £60,288 |
Sponsorship
Sponsorship chance
Low
- Not matched to a licence on the register
- Occupation is eligible for Skilled Worker
- Salary clears the going rate
On the public records we hold, sponsorship for this role looks unlikely: not matched to a licence on the register, and occupation is eligible for Skilled Worker.
We hold the employer, the occupation, a stated salary and the advert's own wording.
Why
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We are partnering with an established organisation currently investing significantly in its AI and generative search capabilities. They are looking to appoint a Senior AI Engineer to play a key role in designing and delivering production-grade AI systems focused on accuracy, scalability, and real-world impact.
This position sits within a growing AI function and will focus heavily on Retrieval-Augmented Generation (RAG), agentic workflows, evaluation frameworks, and LLM optimisation.
Key Responsibilities:
Design and develop scalable RAG pipelines and generative AI workflows Build solutions using LangChain, LangGraph, and LlamaIndex Implement retrieval strategies including reranking, chunking, and retrieval fusion Develop agentic workflows with a focus on robustness and maintainability Contribute to experimentation, evaluation, and AI quality frameworks Support fine-tuning, instruction tuning, and model optimisation initiatives Mentor junior engineers and contribute to technical best practices
Key Requirements:
Strong Python engineering experience Commercial experience building production-grade AI/ML systems Hands-on experience with RAG architectures and LLM workflows Experience with LangChain, LangGraph, and/or Llama Index Understanding of evaluation methodologies for generative AI Experience working within scalable cloud environments (AWS preferred) Ability to operate in a senior or technical leadership capacity
Desirable:
Graph-RAG experience Databricks exposure Experience deploying customer-facing AI systems
This is an excellent opportunity to join a forward-thinking organisation where AI is a genuine strategic priority and engineering quality is highly valued.
51752MSR2
INDLON
The Portfolio Group are acting on behalf of our client in recruiting for this position.
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