ruby

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. Responsibilities include designing evaluation cases and collaborating with engineers. This part-time,...

Booking Experts (BEX) in the UK seeks a Software Engineer to join a product-oriented team. Working full-stack with Ruby on Rails, you will build features impacting thousands of users and help shape architectural decisions.Based near Chester with hybrid working, you will collaborate with Product and Design, optimize data flows, and ensure scalability and...

Opus Recruitment Solutions is seeking a Tech Lead for a hybrid position in Reading, focusing on leading a Ruby engineering team and driving technical direction. Ideal candidates will have extensive experience in Ruby/Rails, strong architectural skills, and a hands-on approach to coding.The role offers a salary up to £120,000, 25 days of holiday, and a...

A dynamic IT solutions provider in Harrow is looking for a Senior Software Engineer specializing in Ruby on Rails. You will design and develop software solutions while contributing to the team's mission of delivering high-quality IT services. The ideal candidate has experience in software engineering, particularly with Ruby on Rails and PostgreSQL. This...

Senior Backend Engineer (Ruby) Role type - Permanent Location - London (Hybrid) About Zuno Zuno is the cutting-edge technology platform powering the success of home heating and cooling experts, BOXT. Zuno is scaling for significant growth by continually developing its proprietary tech stack to empower both our installers and the homeowners of brands such as...

GitLab is hiring for a Backend Engineer on the Pipeline Authoring team. You will help mature the Catalog and Component functionality, improve performance and security, and ensure a smooth, scalable CI/CD experience across GitLab's platform.You will collaborate with product managers, designers, and other engineers in a globally distributed, async environment....

Solirius Reply in London seeks an experienced Ruby Backend Developer to build and maintain scalable, secure backend systems. You will work within a collaborative, agile team delivering high-performance services and RESTful APIs.You will contribute to architecture, code reviews, and DevOps practices with a focus on security, data integrity, and performance....

Commerce is seeking a Software Engineer II - Backend to design, implement, and maintain Ruby on Rails services for the payments offering on the BigCommerce platform. This hybrid role is based in London, United Kingdom, with collaboration across product and operations to ensure secure, scalable checkout experiences.You'll work on high-availability services,...

Senior Ruby on Rails Engineer Remote (UK-based) | £70,000 – £80,000 About the Company Our client is a growing technology business delivering a data and AI platform to a specialist professional services market. They work with demanding, commercially‑minded clients and build products that need to perform to a high standard: reliably, at scale, and with...

A leading IT services provider is looking for a Senior Software Engineer specializing in Ruby on Rails. The ideal candidate will have over 5 years of professional software engineering experience and 3 years specifically with Ruby on Rails. This position includes technical leadership, developing new features, and maintaining existing systems. The role...

Koinly is a tax solution for cryptocurrency investors and accountants. Anyone who owns multiple exchange accounts or wallets knows the pains when it comes to declaring taxes. Koinly was built to solve this very problem by integrating with all major blockchain exchanges.Experience and Qualifications:Experience with high-volume CSV/data ingestion...

Welcome to the Agentic Commerce EraAt Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI‑driven commerce ecosystem. As the parent company of BigCommerce, Feedonomics, and Makeswift, we connect the tools and systems that power growth, enabling businesses to unlock the full potential of their data, deliver seamless...

## Software Engineer II - Backend (Ruby/PHP/Scala)Applyremote type: Hybridlocations: London, United Kingdomtime type: Full timeposted on: Posted Todayjob requisition id: JR102659# **Welcome to the Agentic Commerce Era**## At Commerce, our mission is to empower businesses to innovate, grow, and thrive with our open, AI-driven commerce ecosystem. As...

Solirius Reply, part of the Reply Group, is seeking an experienced Ruby Backend Developer to build scalable, secure backend systems. You will work in an agile team, delivering high-performance services and RESTful APIs.Responsibilities include designing APIs, collaborating across engineering, QA, and DevOps, and ensuring robust, testable code with a focus on...

Commerce, the parent of BigCommerce, is building a robust Ruby on Rails backend for payments on the BigCommerce platform. Join a team delivering high‑availability checkout services, APIs, and secure payment integrations that power merchants worldwide.We value production‑grade engineering, strong CI/CD, and thoughtful design, with a focus on reliability,...

Insight Recruitment Group is expanding its development team to meet growing demand in health tech. You will join a fast-moving environment building, scaling and maintaining code in Ruby, with opportunities to work on React interfaces and to improve automation across the CD pipeline.You’ll collaborate closely with product teams, embrace learning new...

We’re really lucky to have an Engineering team spread across three jurisdictions working on the Hnry product. While that gives us the opportunity to hire great people globally, we’re always keen to hear from those interested in joining our founding team in London.We’re really proud of the team we’ve built so far, and while we’re not actively hiring...

Gigs is building the operating system for mobile services, enabling platforms to embed global connectivity with ease. We design scalable APIs and back-end systems that span Ruby, Go, TypeScript and Elixir, while embracing AI as a core part of our workflow.You will own end-to-end features, ship quickly, and drive impact in a fast-growing crew of engineers....

Koinly is a tax solution for cryptocurrency investors and accountants. Anyone who owns multiple exchange accounts or wallets knows the pains when it comes to declaring taxes. Koinly was built to solve this very problem by integrating with all major blockchain exchanges.Experience and Qualifications:Experience with high-volume CSV/data ingestion...

Insight Recruitment Group is seeking a Senior Ruby Developer to take ownership of architecture and contribute to the product's future. You will join a team of eight developers who value testing and code quality.The role offers opportunities to improve DevOps, backend, and build services, with flexibility for some remote work. The ideal candidate has at least...