1 to 25 of 39 Ruby Jobs in London

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
from monoliths to microservices, upskilling colleagues and customers, always learning from others, while constantly striving to be nice humans. Our teams have used Java, Ruby, Python, ES6 with React, as well as C# with .NET Core. We don’t limit ourselves as a company and we expect all our Engineers ...

Software Engineer (Full stack indicatively 50:50 - Mid-Senior Level)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
TypeScript, Node, Shopify Liquid, Bicep, Azure DevOps and Pipelines Experience with other modern front‐end frameworks (e.g., React, Vue.js) and backend technologies (e.g. Python, Ruby). Hands‐on experience with microservices architecture, serverless functions, and cloud infrastructure (Azure preferred, but AWS or GCP transferable). Interest in emerging technologies ...

AWS Principal Platform Engineer - UK Security Clearance eligibility required.

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
implementing scalable, resilient, and secure platforms. Automation: Expertise in infrastructure‐as‐code (IaC) practices, automation tools (e.g., Terraform, CloudFormation) and scripting languages (e.g. Python, Ruby). Container Orchestration: In‐depth knowledge and hands‐on experience with Kubernetes and its managed counterparts (EKS, AKS, GKE). Public Cloud Expertise: In‐depth ...

Backend Developer

Hiring Organisation
Robert Half
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
backend applications in production environments. Proficiency in at least two or morebackend programming languages such as: Python Go Java Kotlin C# TypeScript/Node.js Ruby Rust Experience designing and consuming RESTful and/or GraphQL APIs. Strong understanding of SQL and database design principles. Experience with cloud platforms such ...

Senior Software Engineer (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
consulting engagements from discovery to production Written production‐quality code using a variety of languages and frameworks, that include: Python, Java, JavaScript, TypeScript, React, Ruby, Scala, R, SQL, and Go Built high‐quality, maintainable software collaboratively, incrementally, and through an approach tailored towards the unique needs of the clients ...

Solutions Architect

Hiring Organisation
Jobleads-UK
Location
City Of London, England, United Kingdom
Code (IaC) and security control Security & Resilience: Deep understanding of threat modelling, authentication patterns, and observability Modern Development: Familiarity with languages such as Ruby, Python, or Java, alongside CI/CD, TDD, and containerisation Communication: Exceptional ability to simplify complex topics and build consensus across diverse groups Desirable Attributes Experience ...

Azure Principal Platform Engineer - UK Security Clearance eligibility required

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
videos Skills Platform engineering: designing and implementing scalable, resilient, and secure platforms Automation: infrastructure‐as‐code practices, tools (e.g., Terraform), and scripting languages (Python, Ruby) Container orchestration: Kubernetes and managed services (AKS) Public cloud expertise: Azure services, architecture, landing zones and best practices DevOps mastery: CI/CD, containerization, serverless ...

Entry Level - Site Reliability Engineer - (Remote - United Kingdom)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Linux and an enthusiasm for learning more (we use Ubuntu but any distro is fine). Command of your favorite modern programming language: Python, Ruby, Go, Java, C++, etc. Hands‐on experience with public cloud platforms (we use AWS, but Azure/GCP are fine). Practical background in Infrastructure ...

AWS Technical Architect

Hiring Organisation
Opus Recruitment Solutions
Location
Remote work, South Bank, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£0 - £600/day
assurance processes. Strong technical architecture background - experience designing secure, scalable systems using modern technologies (cloud, open source, and languages like Java, Python, JavaScript or Ruby). Leadership & communication skills - able to guide teams, influence stakeholders, and clearly communicate with both technical and non-technical audiences. Agile & strategic mindset - experience working ...

Senior Software Engineer, Unified Platform - Analytics - Middle Office

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
more than one of the following: Elm, Erlang, Haskell, Scala, Kotlin, Clojure, F# Python, or more than one of the following languages: JavaScript, TypeScript, Ruby, Python, Java, C# Data structures and design/analysis of algorithms Exchange-traded financial assets, statistics, or financial engineering Personal traits Possesses the ability ...

Senior Software Engineer, Unified Platform - Reference Data

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
problem‐solving skills Comfort working within a globally‐distributed team A background in some of the following a bonus: Java experience Python experience Ruby experience Big data technologies: Spark, Trino, Kafka Financial Markets experience SQL: Postgres, Oracle Cloud‐native deployments: AWS, Docker, Kubernetes Observability: Splunk, Prometheus, Grafana #J-18808-Ljbffr ...

Software Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£48000/annum
Design, develop, and maintain applications using Java/JEE technologies Build and enhance web applications using frameworks and languages such as Java, Groovy, or Ruby Write clean, secure, well-tested code following test-driven development (TDD) principles Develop reusable, open, and maintainable code components Contribute to modern development standards ...

AI Platform Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £130,000 per annum
Bedrock or serverless tooling Experience with modern web technologies including React and JavaScript or TypeScript Comfortable working in evolving codebases, with exposure to Ruby on Rails or Node.js beneficial A track record of seeing products through build, launch and iteration ...

Senior QA Consultant

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
using toolsets like JMeter, BlazeMeter, and K6, is highly desirable. Accessibility testing experience desirable. Hands-on experience in Playwright, Selenium Grid & WebDriver C#, SQL, Ruby, Specflow, and Cucumber. Experience in using AI technologies such as Co-Pilot. Javascript experience. Good exposure to SOAP, REST based APIs. Good exposure to DevOps ...

Ruby Developer

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 70,000 - 80,000 Annual
Ruby on Rails Developer Hybrid work 2/3 days onsite per month We are seeking an experienced Ruby on Rails Developer to join our clients growing engineering team. This is an exciting opportunity for a passionate developer who thrives in dynamic environments and enjoys solving complex technical challenges. … eager to work with modern tooling, cloud services, and containerised deployments, we'd love to hear from you. Key Skills 4+ years' experience with Ruby on Rails Strong understanding of OOP & Rails architecture Extensive experience with PostgreSQL (performance tuning, complex queries) Background job processing with Sidekiq & Redis Expertise in RESTful ...

Site Reliability Engineer, Region Services

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
systems, operating systems, and hands‐on systems engineering Experience programming with at least one modern language such as C++, C#, Java, Python, Golang, PowerShell, Ruby Preferred Qualifications Experience with Ansible (preferred), PowerShell or JavaScript/TypeScript Amazon is an equal opportunity employer and does not discriminate on the basis ...

London: Principal Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
development and delivery of production‐grade software using a variety of languages and frameworks, including but not limited to: Python, Java, JavaScript, TypeScript, React, Ruby, Scala, R, SQL, and Go Evaluated and strategically applied AI‐assistive development tools to accelerate delivery and improve quality A track record of understanding, assessing ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
these areas. Pride in readable, well‐designed, well‐tested software Experience writing web‐based applications in any language, and an interest in learning (Go, Ruby/Rails, Python, Scala, or Rust) Familiarity and practical experience with relational databases (PostgreSQL, MySQL) Familiarity and practical experience with web architecture at scale (20krpm ...

Head of Technology

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience building technology platforms for organisations - you have the battle scars to show as well as depth of technical experience. Our Stack is Vue, Ruby on Rails, Postgres, Terraform, dbt, AWS, GCP - you’ll have many years of experience in these technologies. Demonstrated success managing software development, systems architecture, infrastructure ...

Senior Engineer (Servicing)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
initiative, seeking out answers where they may not immediately be clear and driving clarity from ambiguity What we’re looking for 🌱 Experience working in Ruby or Python Strong fundamental programming skills Ability to quickly grasp and understand complex back end systems It’s beneficial, but not essential if you have ...

Senior+ Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
with Kubernetes, cloud platforms, or the CNCF and HashiCorp ecosystems. You have proficiency in Golang and Kubernetes, and one or more languages such as Ruby, Rust, or Python, with a willingness to learn whatever new tools help get the job done. You care deeply about engineering excellence practicing Extreme Programming ...

Solutions Architect, Platforms - UK

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
opportunities. Thorough understanding of the software development lifecycle and API architectures. A background in writing code in any of Stripe’s primary deployment languages (Ruby, Python, JavaScript, Java, Go, etc.) is a plus. Outstanding spoken and written communication skills, presentation skills, and confident in explaining complex concepts to both technical ...

Solutions Architect (Platforms, UK)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
opportunities. Thorough understanding of the software development lifecycle and API architectures. A background in writing code in any of Stripe’s primary deployment languages (Ruby, Python, JavaScript, Java, Go, etc.) is a plus. Outstanding spoken and written communication skills, presentation skills, and confident in explaining complex concepts to both technical ...

Principal Engineer, Fin AI Agent

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
least ~10+ years of experience , with significant time as a technical leader driving complex projects across multiple teams and stakeholders. Stack agnostic. We use Ruby on Rails, React (migrating from Ember), and AWS. But AI tools increasingly abstract the stack — what matters is your ability to learn, build, and operate ...

Senior Engineer, Loan Servicing Platform (Hybrid – London)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
loan infrastructure for accuracy and speed, solving complex problems, and working collaboratively in a hybrid environment. Ideal candidates will have programming experience in Ruby or Python and strong problem-solving skills. The company offers a competitive salary, flexible benefits, and modern workspace amenities including barista coffee and subsidized meals. #J ...