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Senior Engineers II - Ruby

cleoLondon, United Kingdom
RubyRuby on RailsAPIs
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What you 9ll be doing

  • Joining a cross-functional product squad and collaborating with a mix of engineers, designers, analysts and other disciplines to develop features that enhance our users' financial health.
  • Collaborating with other senior peers in your squad and pillar to provide technical insight into upcoming work, and leading the delivery by helping pull everyone together to get it shipped.
  • Mentoring colleagues to help them grow as engineers and actively supporting their development.
  • Working on our Ruby on Rails monolith, building data models, APIs, and business logic services.
  • Delivering your work using agile methodologies and tools like tests, observability, AB-tests, and feature flags.
  • Analyzing data to identify problems and generate new ideas, using various sources such as our database, application logs, and user research data.
  • Supporting colleagues through in-hours support and optionally joining the compensated out-of-hours on-call rotation.
  • Contributing to cross-cutting concerns that improve our engineering efforts.
  • Taking part in shaping the work of your squad beyond technical aspects, participating in product ideation, user research, design reviews, retrospectives, and more.
  • Building a secured credit card
  • Launching new budget analysis features
  • Implementing pricing experiments for subscriptions

About you

You are passionate about making a positive difference in society by improving the financial health of our users. You align with our and , which drive our ways of working and software delivery.

As this is a SE3-SE4 position we 9re looking for someone who has at least 4 years industry experience of using Ruby on Rails. If it 9s not quite that much, maybe you want to look at our standard Backend role.

You 9re based in the UK or Europe; we hire hybrid & remote in the UK & fully remotely across the EU. We love distributed teams. For this role, we 9re ideally looking for candidates based within one hour either side of London time, to keep collaboration smooth and calendars sane.

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FAQ

Is the Senior Engineers II - Ruby position at cleo remote?
Yes. This role was posted on Remote Frontend Jobs, a job board that lists exclusively fully remote positions.
When was this Senior Engineers II - Ruby job posted?
This listing was posted on May 11, 2026 and is still open for applications.
How do I apply for the Senior Engineers II - Ruby position at cleo?
Use the apply button on this page — it takes you directly to the employer’s application page.

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