full stack ruby engineer jobs in London

Hirematic (Integration) in London is seeking an experienced Senior Software Engineer to join our fast-growing team building innovative e-commerce solutions for global brands.You will design, develop, and maintain scalable web applications using TypeScript, React, and Node.js, collaborating with product managers and UX/UI designers to deliver new features...

IFS is adopting cutting-edge AI-driven industrial emissions solutions and is seeking a Lead Software Engineer to shape scalable cloud-native platforms. The role spans front-end and back-end work with React and GoLang, emphasizing API-first design, reliability, and DevOps practices.You will lead technical decisions, mentor engineers, and collaborate across...

B4B Payments, part of the Banking Circle Group, is seeking versatile engineers to own features end-to-end across the full software development lifecycle. You will design, build, test and ship software in a regulated payments environment, using AI-assisted delivery and a polyglot stack (Ruby, Node, Go) on AWS.This hybrid London-based role may accommodate...

Runna is building the #1 training platform for runners in London. We’re hiring a Staff Software Engineer (Full Stack) to provide architectural direction across multiple squads and drive engineering excellence in a fast‑paced, mission‑driven environment.You’ll mentor engineers, define scalable solutions, champion AI in our SDLC, and own end‑to‑end...

Viasat is seeking a highly skilled Full-Stack Engineer to join our data-driven product team. You will develop and shape platform ecosystems, build web portals, automated document systems, and cloud applications that process billions of records.You’ll contribute to architectural decisions, integrate BigQuery data pipelines, Salesforce, and enterprise...

ARC IT Recruitment is partnering with a fast-growing marketplace tech business in Greater London to hire a frontend-focused developer. You will start with a strong React emphasis, working on high-traffic features and state management, with a clear pathway toward a balanced React/Node.js stack.A mobile app is on the roadmap, offering future expansion...

JPMorganChase is seeking a Software Engineer III in London to own end-to-end delivery of secure, full stack features. You will design, implement, and operate services built on microservices, Kafka, and CI/CD pipelines, while driving performance, resiliency, and secure coding practices across production systems.Expect collaboration across teams, design...

Reelables in London (N1, hybrid) is hiring a Full Stack Engineer to join our product engineering team. You’ll work across the stack, delivering customer-facing features end-to-end—from intuitive user interfaces to APIs and data models that power real-time tracking.You’ll own features, collaborate with customers to translate operational needs into...

Square One Resources is looking for a Full Stack Developer proficient in Java (Spring Boot) and Angular (17+) to join an agile team. The role involves designing and maintaining scalable cloud-native applications, implementing robust UI management, and ensuring high-quality software delivery.The ideal candidate will have over 5 years of experience in Java,...

A leading technological organization is hiring a Senior Fullstack Engineer with a backend focus to join their remote team. This role involves core product engineering on the Feeld mobile app and backend systems, requiring extensive backend development experience with TypeScript and AWS technologies. The company promotes an inclusive work culture, offering...

Liberty Global Plc is seeking a hands-on Full Stack Engineer to design, build and evolve AI-first telecom platforms serving millions of customers across countries. You will work with the VP Software Engineering to translate architectural direction into production software, balancing performance and security.You will contribute across backend, frontend, APIs...

We’re looking for a Lead Python Full-Stack Engineer (AI Integration) to join our team in the United Kingdom in a hybrid working mode. In this role, you will lead the design and delivery of enterprise-grade solutions, combining backend development, modern front-end capabilities and AI/ML integrations in a cloud-native environment. You will drive...

Smart Communications is seeking an experienced full stack developer to help build and scale our enterprise-grade customer engagement platform. This remote role offers occasional visits to our Covent Garden office, and a highly competitive salary.You will own features from conception to production, collaborate with product management, and contribute to a...

Luxoft in City of London is seeking a highly technical, hands-on Java developer to maintain and evolve backend and web applications within a trading platform. You will work with product owners and QA to deliver robust software across markets and time zones.Requirements include 8+ years of software engineering, strong Java 21, Spring Boot, REST APIs, React...

Arthur Recruitment is seeking a Full Stack .NET Developer for a growing insurance company in London. You will build cloud-based applications using .NET/C#, React, and Azure services, while integrating DevOps, REST APIs, and AI-driven enhancements.The role emphasizes microservices, event-driven architectures, and IaC with Terraform, Docker, and Kubernetes....

Journi, a London-based technology consultancy, seeks a Full Stack Engineer with expertise in .NET and Vue to design, develop and refine web applications across frontend and backend. You will work hands-on with .NET 6+, EF Core, JavaScript, Prime Faces and VueJS 2/3 to deliver engaging interfaces.Responsibilities include building scalable applications,...

Spirit It Services is seeking a hands-on full-stack developer to join our team in London. You will enhance our in-house frameworks and core applications, tackling new features and bug fixes with JavaScript, Node.js, and React.Collaborate with project managers, designers and engineers to tailor solutions that meet business needs, uphold quality, and embrace...

C3 AI is seeking Forward Deployed Engineers to design, develop, and deploy full-stack, AI-driven enterprise applications on the C3 AI Platform. You will work directly with customers to deliver production apps, demos, and proofs-of-technology.Ideal candidates will have strategic and analytical aptitude, solid software development experience, and strong...

HelloKindred invites applications for a Java Full Stack Developer – Broker Dealer, in a hybrid UK-based role. You will design, develop, and maintain scalable enterprise apps supporting critical business functions with a focus on Java backend and modern front-end components.Experience in UK broker-dealer and capital markets is essential, along with...

Applied Data Science Partners Ltd. is seeking engineers to design, build, and deploy robust software solutions. You will work on data pipelines, backend services, and APIs to ensure scalability and performance, with a focus on code quality, security, and best practices. Knowledge of cloud deployments and Docker is essential.You will mentor juniors, review...