Ruby Backend Engineer for AI-Powered Finance

Cleo; Greater London; On-site; GBP 90,000 - 130,000; Full time

Benefits offered by this job

Equity

Health insurance

Pension

Sabbatical after 4 years

Learning platform

Job summary

Cleo is hiring Backend Engineers to join cross-functional squads, building data models, APIs, and services in a Ruby on Rails monolith. You’ll collaborate with engineers, designers, analysts, and product to ship features that improve users’ financial health.

You’ll embrace agile ways of working, write tests, and mentor teammates while contributing to product ideation and user research. Join a fast-growing unicorn with a strong engineering culture, equity, generous benefits, and opportunities to

Qualifications

• Solid experience with Ruby on Rails, 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.
• A collaborative approach—works well with product, design, and analytics partners, and enjoys shaping work beyond just the technical bits.
• Experience mentoring colleagues and supporting their growth as engineers.
• Alignment with our company values and engineering principles.

Responsibilities

• Work on our Ruby on Rails monolith, building data models, APIs, and business logic services.
• Collaborate with peers across your squad and pillar, providing technical insight into upcoming work and helping pull the team together to ship it.
• Deliver your work using agile methodologies and tools like tests, observability, A/B tests, and feature flags.
• Mentor colleagues to help them grow as engineers, and actively support their development.
• Contribute to cross-cutting concerns that raise the bar across engineering.
• Shape your squad's work beyond the technical - take part in product ideation, user research, design reviews, and retrospectives.

Job description

Cleo is hiring Backend Engineers to join cross-functional squads, building data models, APIs, and services in a Ruby on Rails monolith. You’ll collaborate with engineers, designers, analysts, and product to ship features that improve users’ financial health.

You’ll embrace agile ways of working, write tests, and mentor teammates while contributing to product ideation and user research. Join a fast-growing unicorn with a strong engineering culture, equity, generous benefits, and opportunities to