AI Engineer at Sequence, London (Visa Sponsorship Available)

Looking for AI engineer jobs in London with visa sponsorship? Sequence is hiring an AI Engineer to build reliable AI infrastructure for agentic workflows and intelligent collections on its revenue platform.

Photo: Profession IT Office via Wikimedia Commons, public domain.

AI Engineer Jobs in London: Overview

About the Employer

Sequence is building an AI-powered revenue platform for modern finance teams. It processes over $1 billion in annual invoice volume and is backed by investors including 645 Ventures and a16z.

Job Responsibilities

• Build and own AI infrastructure including agentic workflows, prompt iteration, tools and evals
• Develop flexible natural-language approval routing for enterprise deals
• Create an intelligent collections agent that runs workflows autonomously
• Ensure correctness and reliability for systems processing high volumes of financial data
• Shape architecture as an early member of a growing engineering team

Requirements

• Experience shipping LLM-based systems to real customers and understanding production failure modes
• Knowledge of agentic system building blocks such as embeddings, memory, tool use and recovery
• Experience building evals infrastructure including datasets, LLM-as-judge and monitoring
• Comfort writing resilient software on non-deterministic models
• Experience with production backend systems and customer focus

Visa Sponsorship and International Applicants

Sequence states that visa sponsorship is available. International applicants are welcome to apply.

Salary and Benefits

• Meaningful share options
• 25 days holiday plus bank holidays
• Modern flexible pension via Penfold with salary sacrifice

How to Apply

Applications are submitted through the company’s Ashby-hosted careers page. Prepare a CV and any relevant project examples.

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