Staff Backend Engineer — AI Financial Assistant

Cleo

United Kingdom

Hybrid

GBP 110,000 - 150,000

Full time

8 days ago
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Benefits offered by this job

Equity
Health insurance
Pension
Sabbatical after 4 years
Learning platform

Job summary

Cleo is hiring a Staff Backend Engineer for the Financial Assistant Pillar to shape technical direction and drive delivery across multiple squads. You will stay hands-on in Rails while mentoring engineers and aligning teams around a shared architectural vision.

You will partner with senior peers to define architecture, ship ambitious product work that improves users’ financial health, and build scalable services across the monolith and services layer.

Qualifications

  • Senior backend experience with Ruby on Rails.
  • Proven ability to lead multiple squads across domains.
  • Strong architectural judgment for scalable systems.
  • Mentor engineers and tech leads to grow capabilities.

Responsibilities

  • Define architecture and drive delivery across product squads.
  • Lead complex, high-impact initiatives with senior peers.
  • Build shared systems, patterns, and tooling across teams.
  • Stay hands-on with Rails APIs, data models and scalable services.
  • Mentor engineers and future tech leaders.

Skills

Ruby on Rails
Architecture
Distributed systems
Mentoring
Leadership
Ruby

Tools

AWS
Kubernetes
PostgreSQL

Job description

Cleo is hiring a Staff Backend Engineer for the Financial Assistant Pillar to shape technical direction and drive delivery across multiple squads. You will stay hands-on in Rails while mentoring engineers and aligning teams around a shared architectural vision.

You will partner with senior peers to define architecture, ship ambitious product work that improves users’ financial health, and build scalable services across the monolith and services layer.

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