Join the Lucy Team

Help scale an enterprise AI concierge platform serving luxury hotels globally. You'll work with proven technology, real guests, and meaningful economics.

What is Lucy?

The Product

  • ✓Production-ready AI concierge for luxury hotels
  • ✓28 languages, 40+ dialects with real-time voice translation
  • ✓Voice latency: 85ms average (production-proven)
  • ✓Restaurant/vendor booking integrations with payment processing
  • ✓PMS integrations (Mews, PMS360, cloud-based systems)
  • ✓Real-time guest memory & preference learning

The Scale

  • ✓Load tested: 10,000 concurrent users
  • ✓152ms avg latency, 100% success rate under peak load
  • ✓Single-tenant architecture (Kubernetes pods per hotel)
  • ✓Multi-hotel deployment framework ready
  • ✓Operating cost: £300/hotel/month (DigitalOcean)
  • ✓Revenue model: £2,500/hotel/month → 88% gross margin

Open Roles

Senior Full-Stack Engineer

Scale & Performance

£70-90k + equity

Lead the expansion from single hotel to multi-hotel deployment. Optimize database queries, voice processing pipelines, and real-time synchronization.

Voice & AI Integration Engineer

Voice Performance

£65-85k + equity

Own the voice pipeline: transcription, translation, synthesis. Ensure <85ms latency across 28 languages with cultural intelligence.

PMS & Integrations Engineer

Hotel Systems

£60-80k + equity

Build & maintain integrations with Mews, PMS360, Opera, and custom hotel systems. Ensure guest data consistency and real-time sync.

What's Already Built & Proven

✓ Core Voice AI — 28 languages, real-time transcription, translation, synthesis

✓ Booking System — Restaurant, vendor, activity integrations with Stripe payments

✓ PMS Sync — Guest data, reservations, check-in/out workflows

✓ Memory System — Persistent guest preferences, conversation history, learning

✓ Load Testing — Validated at 10K concurrent users, 152ms latency, 100% success rate

✓ Security — PCI DSS compliance, voice biometric encryption, data isolation

✓ Deployment — Single-tenant Kubernetes (DigitalOcean) infrastructure proven

✓ Documentation — Golden Rules enforcement, operational runbooks, audit trails

The Real Work Ahead

Scale to 50+ Hotels: Automate onboarding, build multi-hotel dashboards, implement hotel-specific configurations without touching code.

Global Expansion: Handle timezone nuances, regional compliance (GDPR, local data residency), regional voice preferences.

Cost Optimization: Keep LLM costs under control as volume increases. Implement caching, deduplication, and smart fallbacks.

Reliability at Scale: Build observability, alerting, and automated recovery for production systems. Zero tolerance for downtime.

Competitive Moat: Continuously improve voice latency, add languages/dialects, implement advanced features (room control, staff portals, revenue analytics).

Real Revenue Model

£2,500/hotel/month → 88% gross margin. This is a sustainable business, not a VC-dependent toy.

Real Guests

Live hotel deployments with actual guests relying on Lucy daily. Your code affects real user experiences.

Real Impact

Global hotel network, multi-language support, complex AI reasoning. This is enterprise-grade work.

Ready to Build?

Send your CV, GitHub profile, and a brief note about why Lucy excites you to: hiring@lucy.ai

What we need from you:

  • ✓ Portfolio with past projects (links to GitHub or deployed apps)
  • ✓ Brief technical approach to one of the open roles
  • ✓ Availability timeline
  • ✓ Why you're interested in Lucy specifically (not a template response)