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Software Engineer / Developer (Python TypeScript AWS Ruby) London to £110k. The loan origination and servicing platform has been built using Ruby on Rails (with a PostgreSQL database backend) hosted entirely in AWS (Amazon Web Services). You'll be working across the full technology stack, the front

RSpec, RuboCop, RubyCritic, SimpleCov, SonarCloud, SonarQube.

Hands-on in our codebase: working primarily with Ruby on Rails (including Hotwire/Turbo) and occasionally with React Native. Ruby on Rails (Hotwire experience a big plus).

A forward-thinking tech company in the United Kingdom is seeking a talented Ruby on Rails developer to join their expanding engineering team. Ideal candidates have over 3 years' experience with Ruby and Rails, strong API development skills, and familiarity with modern development tools like Git.

Required: Ruby on Rails (or Python and willing to learn Ruby on Rails). Optimise endpoints that touch billions of rows in the database, by applying profiling to ruby code and understanding crucial performance details of ClickHouse queries.

A leading consultancy firm seeks a Senior Ruby Developer to join their London team. The ideal candidate will have extensive experience with Ruby and related frameworks, and a solid understanding of software engineering principles.

You will be responsible for developing and maintaining core applications using Ruby, Rails, React, and TypeScript.

A technology consulting firm is seeking a Full Stack Software Engineer to work on diverse projects in Ruby on Rails and more.

A leading tech platform in the UK is seeking a skilled Ruby Developer to join their team. You will design, build, and maintain Ruby applications that drive the success of web platforms. Ideal candidates should have experience in Ruby on Rails, RESTful APIs, and relational databases.

A luxury tech brand in Greater London seeks a Backend Engineer with expertise in Ruby to design and implement scalable systems for their e-commerce platform.

Good understanding of the syntax of Ruby development and its nuances. A knack for writing clean, readable Ruby code.

The candidate should have a solid understanding of Ruby and enjoy working in a TDD environment.

Working on our Ruby on Rails monolith, building data models, APIs, and business logic services. Cleo is built as a Ruby on Rails monolith with a single React Native app frontend, utilising TypeScript. Technical interview – Live Coding in Ruby (2 hours).

Director - Ruby Specialist at KE Technology. Ruby Developer - Remote (UK-based) - Up to £85K. Are you a Senior Ruby on Rails Developer looking to work on scalable, high-traffic applications in a modern, engineering-led environment? We’re growing rapidly and need engineers who can build, optimise,

You will be working with Ruby and have the ability to get stuck into React. If you are an experienced Ruby Developer, that is looking to own their own function then APPLY NOW!.

The successful candidate will shape the architecture and delivery of their mortgage origination and servicing platform using Ruby on Rails.

Knowledge and experience of building cloud‑hosted applications, using Ruby on Rails, in a start‑up, public service or charitable setting.

A leading AI innovation company seeks a Freelance Software Developer (Ruby) to contribute to advanced AI projects. This part-time role allows you to work remotely while leveraging your software development skills, particularly in Ruby and key ecosystem tools.

You’ll be working in Ruby for most of the backend, with Rails, PostgreSQL and Redis making up most our core product. Not essential, but nice to have: Experience with Ruby on Rails.

Senior Ruby Engineer - Fully Remote UK - Tech for good!. Specialising in recruiting Ruby developers - Principal Consultant. Solid experience with Ruby in production environments.

The ideal candidate will have experience in building cloud-hosted applications using Ruby on Rails and be skilled in data processing.

The role emphasizes modern development practices with Ruby on Rails, PostgreSQL, and a culture of code review.

Our primary stack is Ruby on Rails version 7, with the intention to upgrade all our apps to Rails 8 in the coming months. You deploy, monitor and maintain existing services within our Ruby on Rails and AWS‑based stack. Bring 5+ years of professional experience as a software engineer with Ruby on R

A financial services provider in Greater London is seeking a Lead Engineer to guide the technical development of their mortgage origination and servicing platform.This role requires significant hands-on engineering expertise and experience in financial platforms, as well as strong leadership skills

Avon Ruby is a family‑run building company specialising in refurbishments, renovations, and reactive emergency works.

Join our client, a forward-thinking SME Tech for Good SaaS company, as they seek a talented Ruby on Rails developer to join their expanding engineering team. As a Ruby on Rails Developer, you will lead the way in developing and maintaining cutting-edge, sustainable software solutions. With a habit o

A progressive health tech company in Greater London is seeking an experienced Ruby Developer to join their expanding development team. The ideal candidate will have strong Ruby skills with some knowledge of React.

Joining the Connectivity Group you’ll be working in a team that primarily uses Ruby on Rails, PostgreSQL, BigQuery and Prometheus in Google Cloud with some Sentry tracing added to the mix. Professional experience of building applications in Ruby.

A leading FinTech startup is looking for an experienced Ruby on Rails Engineer to join their remote team covering UK hours. Applicants need a minimum of 5 years in Ruby on Rails, experience with database performance tuning, and excellent communication skills.

Plumbing Engineer — Avon Ruby is a family-run building company specialising in refurbishments, renovations, and reactive emergency works.

Ruby on Rails at production level.

Ideal candidates will have experience in B2B SaaS, Ruby on Rails, and external APIs.

If You Want To Know What To Expect, Listen To Andreeas Story From Our Ruby Zoe In London. You think travelling is more than just the next summer holiday, but the feeling of being at home anywhere in the world? That your workplace should be a place with personality and soul, where new ideas come to

Sorcer Ruby provided pay range: This range is provided by Sorcer Ruby. Base pay range: Direct message the job poster from Sorcer Ruby. Mid-Level Ruby on Rails Developer – Remote (UK).

Full Stack Software Engineer - Ruby on Rails. We are seeking a mid-level full stack Software Engineer with experience in Ruby on Rails to join the team. Exciting tech stack including Ruby on Rails and modern JavaScript frameworks.

Senior Ruby Developer - Leading Health Tech - Hybrid. Ruby on Rails, TypeScript, AWS 👩🏻 💻.

Ideal candidates should have experience in Ruby and a problem-solving mindset.

A fast-growing technology business is looking for a Ruby on Rails Developer in London (hybrid). The role requires 2+ years' experience in Ruby on Rails or Python, and offers ownership in a scaling environment with performance-linked bonuses and equity eligibility.

A technology company in Greater London seeks an experienced Senior Backend Developer with expertise in Ruby on Rails.

A dynamic IT solutions provider in Harrow is looking for a Senior Software Engineer specializing in Ruby on Rails. The ideal candidate has experience in software engineering, particularly with Ruby on Rails and PostgreSQL.

A leading AI consulting firm is seeking a Freelance Software Developer (Ruby) to contribute to Generative AI projects remotely. The ideal candidate has 3+ years of experience, excellent skills in Ruby, and familiarity with tools like Docker and Git.

A tech-driven financial services company in the United Kingdom seeks a Senior Product Engineer specializing in Ruby on Rails to enhance user financial health.

The Ruby Team provide continuity of care to a caseload of women including teenagers, those with learning disabilities, victims of domestic abuse, substance abusers, women experiencing moderate to severe mental health issues, and women with complex safeguarding issues.

A leading sports and gaming marketing company in Greater London is looking to hire a Senior Software Engineer to shape the technical foundation of their product.You will design and implement scalable systems while collaborating with a diverse team.The ideal candidate should be proficient in JavaScri

The Ruby Team provide continuity of care to a caseload of women including teenagers, those with learning disabilities, victims of domestic abuse, substance abusers, women experiencing moderate to severe mental health issues, and women with complex safeguarding issues.

Lead development of Ruby on Rails applications, ensuring high performance, quality, and responsiveness. Stay updated with the latest Ruby developments and advocate for best practices in coding, testing, and deployment. Extensive experience with Ruby on Rails and a strong command of full-stack web de

A financial services organization in Greater London is seeking Ruby on Rails Software Engineers for its Home Finance Product Engineering team. Ideal candidates will have experience with Ruby on Rails, SQL, and cloud platforms, under agile and DevOps practices.

Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript. Ruby, Rails, React, and TypeScript.