Ruby on Rails Backend Engineer for AI Financial Assistant

Cleo; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Cleo is hiring Backend Engineers to join cross-functional squads and build features that improve users' financial health. You will work on our Ruby on Rails monolith, develop data models, APIs, and business logic services, and collaborate with product, design and analytics to ship impactful changes.

You will participate in agile processes, deliver with tests and feature flags, and mentor teammates to grow as engineers while contributing to broader engineering improvements.

Qualifications

• Solid experience with Ruby on Rails and building data models, APIs and business logic services in a production monolith.
• Comfortable delivering with agile methodologies and practices like automated testing, observability, A/B testing and feature flags.
• Collaborative approach with product, design and analytics partners, and willingness to shape work beyond technical bits.
• Experience mentoring colleagues and supporting their growth as engineers.

Responsibilities

• Work on our Ruby on Rails monolith, building data models, APIs, and business logic services.
• Collaborate with peers across your squad and pillar to ship features.
• Deliver work using agile methodologies and tests, observability, A/B tests and feature flags.
• Mentor colleagues to help them grow as engineers and support their development.
• Contribute to cross-cutting concerns that raise the bar across engineering.
• Shape squad work through product ideation, user research, design reviews and retrospectives.

Skills

Ruby on Rails

APIs

Data models

Agile

Mentoring

Tools

PostgreSQL

AWS

Kubernetes

TypeScript

Job description

Cleo is hiring Backend Engineers to join cross-functional squads and build features that improve users' financial health. You will work on our Ruby on Rails monolith, develop data models, APIs, and business logic services, and collaborate with product, design and analytics to ship impactful changes.

You will participate in agile processes, deliver with tests and feature flags, and mentor teammates to grow as engineers while contributing to broader engineering improvements.