15 of 15 Permanent Ruby Jobs in the City of London

with multiple technical teams to deliver scalable, secure solutions. Design secure cloud‐native service architectures with automation-first principles. Develop automation using Shell, YAML, Ruby, Python, and Go for detection, remediation, and platform improvements. Implement SRE guardrails, system modeling, and platform governance. Participate in on‐call rotation to support critical ...

credit/debit cards. Experience working with cloud-based technologies, APIs, databases, and integration frameworks. Hand-on experience with technologies like JavaScript/Ruby/Python and SQL Experience with MS Office, Confluence, Jira (including epics, stories, and sprints) Excellent communication skills, with the ability to effectively translate technical concepts ...

also work at times that suit you. About you: You have a strong software engineering skills with technologies such as, Elixir, Rust, Scala, Ruby or Python in a SaaS environment You have a good knowledge of AWS You're able to conduct code reviews and provide coaching and mentoring ...

Experience in offensive security tool development, customization or expansion. Ability to code comfortably in one or more interpreted languages (eg. Python, Bash, PowerShell, Perl, Ruby) and one or more compiled languages (eg. C, C++, C#, Golang, Rust, Java, Objective-C) One or more of the following certifications (OSCP, OSCE, GPEN ...

including NIST FRTE and FIDO Alliance requirements Design and optimize Python-based AI/ML backend systems for biometric processing, with integration points across Ruby and Elixir microservices Collaborate with cross-functional teams to implement privacy-compliant solutions adhering to BIPA, CUBI, ETSI, and GDPR regulations Mentor and guide engineering … Previous work in biometrics, computer vision, or identity verification domains Knowledge of privacy regulations (GDPR, BIPA, CCPA) and their technical implementation requirements Experience with Ruby on Rails, Elixir/Phoenix, or other backend frameworks beyond Python Understanding of zero-knowledge proof systems and their practical applications Experience with mobile ...

evolve systems into scalable AI-native platforms, and make strong trade-offs between velocity and durability. If you're backend-leaning: You'll use Ruby, Python, TypeScript to build and improve a high-performance platform — designing APIs, data models, and integrations that scale. If you're frontend-leaning ...

problem solving ability Strong attention to detail and consistency Interest in programming with basic proficiency in at least one language (Python, C++, Go, Scala, Ruby, Lua, VBA or similar) Curiosity about trading, technology and how complex systems behave under pressure This opportunity is ideal for someone who wants a front ...

Senior Ruby Developer - Leading Health Tech - Hybrid Salary: Paying £75,000 - £105,000 + Equity Industry: Health Tech (Tech for Good) Location: Hybrid, 2 days a week in Central London Office Tech Stack: Ruby on Rails, TypeScript, AWS 👩🏻 💻 The Company 🚀 We're excited to have partnered with a leading health … This is the right role for someone seeking fulfilling and rewarding place of work. This is a backend leaning full stack role Desired Skills ⚙️ Ruby on Rails TypeScript React or Vue.js AWS They are willing to move quickly with this role, please apply now if interested. Senior Ruby Developer - Leading ...

live environments. Our Passenger Assistance platform turns passenger assistance requests into coordinated action inside live rail operations. We are hiring a Mid-Senior Ruby on Rails Engineer to own and evolve our operational systems, ensuring stability and production reliability in close collaboration with cross-functional teams. Strategic Context Transreport exists … reliability and deployment confidence. Contribute to longer-term backend architecture improvements and scalability planning. Responsibilities Own & Evolve Backend Systems: Maintain and improve our Ruby on Rails applications supporting operational workflows. Technical Quality: Write clean, well-tested code and uphold strong security and data integrity standards. Integrations: Manage third-party integrations ...

Jungle, it’s never been a more exciting time to join! Key Responsibilities: Develop, evolve, and maintain our core web application using Ruby, Rails, React, and TypeScript. Collaborate closely with product managers and other stakeholders to deeply understand business needs and translate them into technical solutions. Contribute actively … Champion best practices in areas like system design, performance, security, and operational excellence. About you: 5+ years of professional experience building web applications using Ruby, Rails, React, and TypeScript. Strong backend development skills with a willingness to contribute across the full stack Proactive and self-driven, able to take ownership ...

join our product engineering team. You'll be someone who thinks of yourself as an engineer first, with deep hands-on experience in Ruby on Rails and a genuine passion for building great frontend experiences. You'll take pride in the quality of what users see and interact with, while … years of professional software engineering experience (we care more about the quality of that experience than the exact number!) Strong proficiency in Ruby on Rails - you've built and maintained production Rails apps and feel genuinely at home in the framework A strong eye for frontend quality - you care about ...

you... A software Engineer with 5+ years experience, working with modern programming with one or more programming languages, Python and/or Golang, Java, Ruby, TypeScript etc? Experienced working on cloud platform such as AWS, Google Cloud, Azure and have a good understanding of cloud infrastructure? Experienced working with Containers … that have the ability to work across a range of tooling in the following areas: Programming: with at least one language; Python, Go, Java, Ruby, TypeScript etc Cloud: Either AWS, GCP or Azure Container/Orchestration: Docker, Kubernetes IAC: Terraform, Cloud Formation, CrossPlane, Ansible (Config Mgt) CI/CD: CircleCI ...

Role Summary We are seeking a skilled DevOps Engineer to collaborate with our development and operations teams to design, implement, and manage scalable infrastructure and deployment pipelines. The ideal candidate will have experience with cloud ...

My client, a prestigious systematic boutique hedge fund, is seeking a junior Software Developer/Computer Science Graduate to join their London team. This is a rare opportunity to join a forward-thinking firm with ...

lending capabilities for some of the world's most recognised brands. We're a fast-growing company, and we're looking for an experienced Ruby on Rails Engineer to join our team on a full-time basis to provide critical global coverage. While our core engineering team is based … Product, Design, and other teams to refine deliverables and bring new features to life. What We're Looking For We're seeking a passionate Ruby on Rails expert backend engineer who can solve complex technical problems and communicate solutions with ease. Required Experience: Ability to work standard UK business hours ...