Product Engineer

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• Remote (GMT-5 to GMT+1 overlap) UK & EU Only | Optional hubs: London / New York
  
• Full-time | Mid–Senior
  
• Our client — AI-native LegalTech company
  
• Travel: London every 5–6 weeks
  

• 
  
• Must be eligible to work in the UK, EU
  
• No visa sponsorship currently specified
  
• Must be able to travel to London every 5–6 weeks
  

Our client is rebuilding legal services from the ground up. Backed by $9M+ from a tier-1 US VC, the team is creating a Cursor-like environment where lawyers collaborate with AI agents on real legal work.

You will join a small, high-caliber engineering team growing from 2 to 5, with direct ownership over systems used daily by real lawyers.

This is a product-first backend role where reliability, safety, and extensibility are mission-critical.

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• Core product APIs powering matters, documents, chats, and permissions
  
• Agent-facing backend primitives enabling safe autonomous actions
  
• Production infrastructure focused on reliability and observability
  
• Systems that remain auditable, reversible, and correct in real legal workflows
  

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• Python (core backend language)
  
• Postgres (primary datastore)
  
• Cloud infrastructure (GCP preferred)
  

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• Strong production experience with Python backend systems
  
• Proven API and data model design capability
  
• Experience translating product goals into reliable backend architecture
  
• Track record of owning systems end-to-end in fast environments
  
• Comfortable working remotely with required time zone overlap
  

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• Experience building products from zero to one or early-stage startup experience
  
• Experience xcfaprz with Postgres at scale
  
• Exposure to Temporal or background job systems
  
• Familiarity with GCP environments
  
• Background in collaborative or workflow-heavy SaaS
  

• 
  
• Meaningful equity in a well-funded early-stage company
  
• Unlimited budget for AI coding tools
  
• Real product ownership from day one
  
• Annual Mallorca offsite + regular team gatherings
  
• Tight feedback loop with real legal users
  

Early-stage, real users, real ownership — if you build backend systems that must work flawlessly in production, we'd love to meet you...