Senior AI Product Engineer

Elliptic Enterprises Limited

Job Overview

Location

London, United Kingdom

Job Type

Full-time

Full Job Description

📋 Description

• Senior AI Product Engineer role focused on building AI systems that power Elliptic's copilot, enabling compliance teams to investigate financial crime on blockchains.
• Day-to-day responsibilities include designing agentic workflows using LangChain/LangGraph, building backend services in TypeScript/Node.js, leading evaluation frameworks for LLM outputs, and mentoring junior engineers.
• Join a focused AI team at Elliptic Enterprises Limited that values ownership, technical excellence, and real-world impact in blockchain analytics and financial crime prevention.
• Opportunity to ship production AI capabilities end-to-end, influence technical direction, improve team practices in AI reliability and observability, and grow as a mentor and technical leader.

🎯 Requirements

• 5-8+ years of software engineering experience with at least 1-2 years building LLM-powered features in production
• Direct experience with LLM frameworks such as LangChain, LangGraph, or similar
• Hands-on experience building agentic systems including tool use, multi-step reasoning, planning, memory, and human-in-the-loop patterns
• Strong backend skills in TypeScript/Node.js with solid API design and cloud experience (AWS Lambda, ECS, S3)
• Experience building and running evaluations for LLM outputs (eval sets, LLM-as-judge, regression testing)
• Demonstrated ability to mentor and coach other engineers

🏖️ Benefits

• Hybrid working with option to work from almost anywhere for up to 90 days per year
• £500 remote working budget for home office setup
• $1,000 Learning & Development budget for agreed-upon growth activities
• 25 days annual leave + bank holidays plus an extra birthday day
• 16 weeks fully-paid enhanced parental leave for all eligible employees
• Private Health Insurance (Vitality), full access to Spill Mental Health Support, Life Assurance (4x salary), Cycle to Work Scheme

Skills & Technologies

JavaScript

TypeScript

Node.js

PostgreSQL

AWS

Senior

Remote

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Elliptic Enterprises Limited

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About Elliptic Enterprises Limited

Elliptic is a global leader in crypto-asset risk management. The company provides a comprehensive suite of tools and services designed to help businesses, regulators, and law enforcement agencies understand and manage the risks associated with cryptocurrencies. Their technology analyzes blockchain data to detect illicit activity, identify high-risk transactions, and ensure compliance with anti-money laundering (AML) and counter-terrorist financing (CTF) regulations. Elliptic's solutions are used by financial institutions, exchanges, and governments worldwide to protect against financial crime, enhance security, and foster the safe adoption of digital assets.

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