Senior AI Engineers - Generative AI & Information Retrieval

Hybrid London (1–2 days/week onsite)

Up to £130k + Equity + Benefits

We’re hiring three Senior AI Engineers to join two rapidly growing teams within a high-growth fintech/data intelligence scaleup. You’ll work on cutting-edge Generative AI, LLMs, NLP, and Information Retrieval, building production systems used by global customers.

You’ll join a highly talented AI organisation (reporting into the Senior ML Manager) and work closely with product, backend, and frontend teams to ship impactful, user-facing AI features.

Open Senior Roles (3 Total)

1. Senior GenAI Engineer - Client Features

Build the next generation of customer-facing GenAI features.

You will:

• Build LLM-powered workflows, chat systems, and assistant-style features.
• Develop simple, reliable systems that solve real customer problems (no over-engineering).
• Work closely with product and UX to shape user-facing AI experiences.
• Deploy LLM models and agentic components in production.

You bring:

• Strong hands-on experience with GenAI, LLMs, agentic frameworks, or chat/workflow apps.
• Excellent Python and software engineering fundamentals.
• Solid cloud experience (AWS preferred, GCP/Azure fine).
• Product-minded approach and ability to work cross-functionally.

2. Senior AI Engineer - Information Retrieval (Engineering-Focused)

Own engineering for large-scale Information Retrieval/NLP pipelines.

You will:

• Build and optimise retrieval, ranking, and document processing systems.
• Implement transformers, embeddings, search pipelines and evaluation frameworks.
• Deploy and maintain ML/IR models in production.

You bring:

• Strong ML engineering background.
• Experience in document processing, NLP, embeddings, transformers.
• Python expertise, solid engineering foundations.
• Experience shipping IR/ML systems in production environments.

3. Senior AI Engineer - Information Retrieval (Research-Focused)

Drive applied research within a production-focused Information Retrieval team.

You will:

• Research and improve retrieval and NLP models.
• Design experiments, run evaluations, and iterate on modelling approaches.
• Collaborate closely with engineering to transition research into production.

You bring:

• Strong applied research experience (PhD or academic work a plus).
• Deep background in retrieval, NLP, LLM evaluation, document understanding.
• Python & cloud experience and ability to contribute to production code when needed.

What We’re Looking For Across All Senior Roles

Technical Requirements

• Strong Python skills
• Cloud experience (AWS preferred)
• Experience deploying ML/LLM/IR models
• Background in at least one of:
• LLMs & GenAI
• Information Retrieval
• NLP / Document Processing
• Transformer-based architectures
• Agentic or retrieval-augmented systems

Soft Skills & Mindset

• Collaborative and pragmatic
• Comfortable in high-growth, product-driven teams
• Able to work fast without over-engineering
• Passionate about modern AI and problem-solving

These positions do not provide visa sponsorship and require existing right to work in the UK.

Please note: Due to the high volume of applications we are not always able to respond to all applicants, if you have not had a response within 7 days of your application it is likely it has been unsuccessful.

If your skillset matched, please apply within.