Lead Backend Engineer at VC-backed AI startup automating property management

Company: Jack & Jill
Apply for the Lead Backend Engineer at VC-backed AI startup automating property management
Location: London
Job Description:

Job Title

Lead Backend Engineer

Salary

Not Disclosed

Location

London, UK

Company Description

Stealth‑mode AI startup building the operating system for property management, led by a Head of Engineering who scaled a Fintech to a $35M Series B and backed by Entrepreneur First and Cambridge alumni.

Job Description

As the most senior backend hire, you will architect the core systems powering a sophisticated AI assistant designed to automate 90% of property management workflows. You will lead from the front, designing event‑driven architectures and scaling APIs for a platform already pilot‑testing with high demand as it moves toward revenue.

Why this role is remarkable

  • Rare chance to join a category‑defining AI company as the senior technical lead, working directly with a founding team of ex‑Revolut and industry experts.
  • Massive market impact, building automation for a sector where teams currently spend 75% of their time on repetitive manual admin.
  • High‑influence leadership role where you will shape the engineering culture, technical standards, and backend architecture from the ground up.

What You Will Do

  • Architect and build scalable backend services and APIs using Node.js and TypeScript within a microservices and event‑driven environment.
  • Integrate backend systems with LLMs and AI models to automate real‑time communications, compliance, and maintenance workflows.
  • Mentor the engineering team, lead code reviews, and collaborate across AI and product functions to translate complex business needs into technical reality.

The ideal candidate

  • At least 7 years of professional experience with deep expertise in Node.js, TypeScript, and relational databases like PostgreSQL.
  • Proven track record of designing and operating production‑grade microservice or event‑driven architectures in high‑growth startup environments.
  • Strong leadership profile with experience mentoring engineers and a genuine ownership mentality toward building robust, maintainable systems.

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Posted: June 13th, 2026