76 to 100 of 153 Ruby Jobs in London

Senior Software Engineer — Hybrid London | Equity & Impact

Location
Greater London, England, United Kingdom
code structure and architecture while leading project planning to maximise efficiency and reliability across production systems. We seek deep experience across web stacks (Go, Ruby/Rails, Python, Scala, Rust) and a passion for scalable, well-tested software in a fast-moving marketplace. #J-18808-Ljbffr ...

Back-end Developer

Location
Greater London, England, United Kingdom
Back-end developer Comprehensive knowledge of the web development procedure (design, development and deployment) Practical knowledge of programming languages include Python, PHP, Ruby, and Java Working familiarity with the cms framework Knowledge of front-end programming languages (e.G. Html, javascript and css) Outstanding analytical and time management abilities Teamwork abilities ...

Trading Systems Software Engineer

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Trading Systems Software Engineer MUST have: MSc and above with 5 years commercial development experience World class development skills in C++ Good scripting (Python, Ruby, Lua) Solid foundation in Linux/Unix Comfortable with the entire development lifecycle A track record of commitment to their employer A team player ...

IT Security Engineer

Location
City of Westminster, England, United Kingdom
degree in CS, IT, or similar field CISSP, Security+, or other security related or linux or cloud related certifications Previous scripting experience (Python, Perl, Ruby, or PHP) You possess strong time prioritization skills You are proactive and look for ways to continuously increase efficiency We can see that you have ...

Software Engineer

Location
Greater London, England, United Kingdom
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 ...

Virtualisation and Storage Infrastructure Architect

Location
Greater London, England, United Kingdom
belonging schemes. And many more exciting benefits drop us a note to find out more. Remote Work : No Employment Type : Full-time Key Skills Ruby,Disaster Recovery,Active Directory,SOA,Cloud,IaaS,PowerShell,AWS,Infrastructure,Linux,VPN,Hyper-V,VM,IP,Identity Experience : years Vacancy : 1 #J-18808-Ljbffr ...

Application Security Engineer, Amazon Application Security

Hiring Organisation
Amazon
Location
London, England, United Kingdom
equivalent- Knowledge of networking protocols such as HTTP(S), DNS, and TCP/IP- Experience in one of the following programming languages: Java, Python, Ruby, Node.js, C#, or CPreferred qualification - Experience with any combination of the following: threat modeling, secure coding, identity management and authentication, software development, cryptography, system administration ...

Senior II - Back-End Engineer

Location
Greater London, England, United Kingdom
prior experience with it isn't mandatory. We take a tech-agnostic approach and welcome engineers from various backgrounds, such as Java, Node.js, Ruby, Scala, .NET, PHP, or Go. What we truly look for is an eagerness to learn the language and the adaptability to hit the ground running with ...

Staff Product Engineer, AI

Location
Greater London, England, United Kingdom
love learning and are willing to work hard to invest in your development. Deep knowledge of a high-level programming language (for example, Ruby, Python, Javascript etc.) but it doesn’t need to be a language that we use here! Strong willingness to fight for good outcomes Bias towards progress ...

Staff / Senior Staff Security Engineer, Vinted Pay

Location
Greater London, England, United Kingdom
gates. Demonstrated ability to influence without authority and translate technical risk into business consequence for senior audiences, internal and external. Comfortable in our stack - Ruby on Rails, Go, MySQL, Temporal, AWS, SIEM and CSPM tooling - or eager to learn it, with a real interest in security and privacy ...

Senior Backend Engineer – Real-Time Marketplace

Location
Greater London, England, United Kingdom
Software Engineer to help build and maintain high-performance systems powering our hyper-local marketplace. You’ll design and scale backend services in Go, Ruby, or Python, improve architecture, and ensure production health. This role is based in our London office with a hybrid setup, typically 3 days ...

Platform Experience Engineer — Secure Auth & AI Tools

Location
Greater London, England, United Kingdom
security for enterprise clients, shaping scalable product features from day one. You will collaborate with a highly experienced engineer, apply a stack including Ruby, TypeScript (React), Python and Java, and leverage AI coding tools to move faster while upholding engineering standards. #J-18808-Ljbffr ...

Staff Product Engineer — AI-Driven, Global Scale

Location
Greater London, England, United Kingdom
will drive technical direction, scale systems for a global audience, and push AI-driven iterations that impact 100,000+ users daily. We use Ruby on Rails, Typescript, PostgreSQL on GCP, with React + TS on the client and shadcn design system. Equity and strong benefits accompany the role. #J ...

Mobile Engineer (iOS & Android) for a Scalable Property Platform

Location
Greater London, England, United Kingdom
enabling users to connect, message, and transact securely. The role requires extensive experience with iOS, Objective-C, Android and Java, plus backend skills in Ruby, Python or PHP. A startup mindset and a passion for privacy and security are essential. #J-18808-Ljbffr ...

Senior AI-Driven Product Engineer

Location
Greater London, England, United Kingdom
growing team. You will help develop technology that empowers caseworkers and enhances client support. The ideal candidate has experience with modern tech stacks, including Ruby on Rails, and thrives in cross-functional teams. This role offers competitive salaries, significant autonomy, and the chance to contribute to meaningful work that ...

IOS and Android Engineer

Location
Greater London, England, United Kingdom
platform for renters. As part of this position you must have: Extensive IOS, Objective-C, Android and Java experience. Backend desktop development experience either (Ruby, Python or PHP). A passion for building scalable apps, with beautiful designs, whilst keeping user privacy and security at the forefront of the build. ...

Senior GPU Top Design Engineer

Location
Greater London, England, United Kingdom
Qualifications Understanding of computer architecture and physical design Experience with large-scale SoC or GPU design Experience of scripting languages (for example Python/Ruby/Tcl) At Apple, we're not all the same. And that's our greatest strength. We draw on the differences ...

Incident response investigator

Location
Greater London, England, United Kingdom
level Bonus points Experience in Malware Analysis to a minimum level of behavioral analysis Familiarity with one or more scripting language such as Python, Ruby, PowerShell or Bash is desirable Experience of common cloud technologies Vendor independent qualification in Incident Response and Forensics such as GIAC, IISFA, IACIS, ISFCE, ECCouncil ...

Security Operations Engineer, AWS Security Cloud Response, Amazon Security Cloud Security Response

Hiring Organisation
Amazon
Location
London, UK
Employment Type
Full-time
qualifications- Bachelor's degree in computer science or equivalent- Knowledge of networking protocols such as DNS and TCP/IP- Experience programming in Python, Ruby, Go, Swift, Java, .Net, C++ or similar object oriented language- Knowledge of system security vulnerabilities and remediation techniques, including penetration testing and the development ...

Application Security Engineer, AppSTAR

Location
Greater London, England, United Kingdom
Bachelor's degree in computer science or equivalent- Knowledge of networking protocols such as HTTP, DNS and TCP/IP- Experience programming in Python, Ruby, Go, Swift, Java, .Net, C++ or similar object oriented language- AI/LLM-based automation of security workflows- Experience with any combination of the following ...

Senior Software Engineer, Backoffice Platform

Location
Greater London, England, United Kingdom
established codebases, and the judgement to tell when a system should be extended, reworked, or replaced outright, including the confidence to say so unprompted. Ruby on Rails will help you get to grips with what we have today, though we care more about your range than any one language ...

Senior Software Engineer (Full-Stack) New London, UK

Location
Greater London, England, United Kingdom
flows, sales data, and treasury information to automatically select optimal forecasting algorithms and improve accuracy by over 30%. You’ll work on sophisticated Ruby on Rails and React software that turns diverse financial data into clear analysis, giving customers sharp insight and forecasting through intuitive dashboards. This … Experience with Docker or other containerisation technologies Proven Git proficiency, including collaborative branching workflows Proficiency in at least one major programming language (such as Ruby, Python, or Java) Experience employing AI tools throughout the development lifecycle to speed up problem-solving and delivery Experience testing with RSpec Preferred Knowledge/ ...

Sr. Software Engineer, Fullstack (UK)

Location
Greater London, England, United Kingdom
Proven full stack fluency - you're comfortable across frontend, backend, and the database layer. A polyglot mindset — you evolve with the tech. Familiarity with Ruby on Rails, TypeScript, Node.js, Go, or React.js is a strong plus. Proven full-stack experience across frontend (React.js), backend, and database layers. Contribute to production … desire to teach and lift others. Strong communication skills and openness to collaborative idea-sharing across teams. Preferred Qualifications: Core Stack Experience: Familiarity with Ruby (including Ruby on Rails), TypeScript, Node.js, Go, or React.js is a strong plus. Why Firstup? Because you care - about people, the work ...

Back-end Engineer: Build Scalable Web Apps & APIs

Location
Greater London, England, United Kingdom
ideal candidate will work closely with developers to maintain system consistency and improve user experiences. Strong knowledge of programming languages such as Python, PHP, Ruby, and Java along with a BSc in Computer Science or a related field is required. #J-18808-Ljbffr ...

Graphics Architect

Location
Greater London, England, United Kingdom
working as part of large cross-functional teams Software skills and proficiency in C/C++ and a scripting language such as Python or Ruby Experience with creating adaptive or machine learning based algorithms Interpersonal skills and creativity to help the team solve design challenges Degree in Computer Science, Electrical ...