full stack ruby engineer jobs in London

A leading global financial services firm is seeking a Senior Vice President, Full-Stack Engineer to lead high-impact teams in London. This role involves end-to-end delivery of mission-critical software, elevating engineering standards, and collaborating closely with product and business stakeholders. Ideal candidates should have proven leadership of...

IBM Consulting UK FutureNow in the public sector is hiring engineers to design, develop, test, and maintain full‑stack applications using modern front-end and back-end technologies. You will work on secure, scalable AWS cloud solutions and collaborate with architects, product owners, and security specialists to deliver business‑aligned outcomes.Expect to...

JPMorganChase in London seeks a Software Engineer II to ship secure, full-stack features using Java, Spring Boot, and microservices. You will work on scalable architectures, CI/CD pipelines, and AI-assisted development tools from day one, contributing to a culture focused on quality and continuous improvement.The role emphasizes debugging, performance...

Harnham in London is hiring for an AI-first backend role, blending Java or Kotlin on the Spring stack with modern AI-powered workflows. The role involves contributing across the full stack and collaborating in agile squads to deliver high-quality products.You will use Claude and N8N to automate workflows, work with APIs, CI/CD, AWS, Docker and Kubernetes,...

PULL UP LTD in Greater London is looking for a senior software engineer to join our core engineering team. Your role will involve designing scalable backend services and building user interfaces using TypeScript, React, and Node.js. You will also mentor junior engineers and contribute to architecture decisions.With more than 5 years of experience required,...

Staff Software Engineer – Full Stack (Bangkok based, Relocation provided) 16 hours ago – Be among the first 25 applicants About Agoda At Agoda, we bridge the world through travel. Our story began in 2005, when two lifelong friends and entrepreneurs, driven by their passion for travel, launched Agoda to make it easier for everyone to explore the world....

Descrial is hiring full-stack engineers to build the product end‑to‑end, from database to interface. The role emphasizes security, tenant isolation, auditability and a polished user experience for confidential financial data.You’ll use TypeScript and React on the frontend and Python (FastAPI or Django) on the backend, with PostgreSQL on AWS. Join a...

A leading recruitment agency is looking for a Full Stack Developer to join a global law firm's Engineering team. The ideal candidate will have strong skills in HTML5, CSS3, and RESTful APIs, and will thrive in an Agile environment. Key responsibilities include building scalable solutions and collaborating with UX designers. This full-time position offers an...

Client Server Limited in London seeks a Full Stack Engineer with C# and TypeScript to join a scaling AI startup. Hybrid work with in-office presence twice a week and WFH options. You will build SaaS products, leverage AI tooling, and maintain strong technical standards.You should be proficient in Azure, a strong communicator, and hold a STEM degree. The role...

SBU - Invent CU - Business Technology Global Grade - B At Capgemini Invent, we believe difference drives change. As inventive transformation consultants, we blend our strategic, creative and scientific capabilities, collaborating closely with clients to deliver cutting-edge solutions. Join us to drive transformation tailored to our client's challenges of...

Infused Solutions is seeking a Senior Full-Stack Engineer to join an early-stage AI startup in London, working four days per week in the office. You’ll own features across the stack, influence architecture, and help shape the product as the company scales.You’ll work with a small, high-performing team, using TypeScript, Node.js and React, and you’ll...

Build intuitive user interfaces and APIs for Trovix products, working closely with our AI and product teams. You will work closely with a team of engineers, domain experts and regulated industry clients to deliver AI products that genuinely change how professionals work. This is not a research role - you will ship production features used daily by...

Salary: £50,000 - 80,000 per year Requirements Extensive Java development experience, including Java 17+ Strong Spring Boot and microservices experience Strong React experience; Angular also considered Experience developing REST APIs Experience with cloud platforms such as AWS, Azure, or GCP Experience with Docker and Kubernetes Experience with CI/CD...

Journi, a London-based technology consultancy, is seeking a Full Stack Engineer skilled in .NET and Vue to build and fine-tune web applications across frontend and backend. The role involves designing robust systems, implementing TDD, and collaborating within an Agile/Scrum team.You will work largely remotely within the United Kingdom, with one day a month...

IBM Consulting UK FutureNow seeks a Senior Full Stack Quality Engineer to lead automation across UI, API, services and integration layers during major migration programs. You will design scalable automation, integrate tests into CI/CD and mentor teams in a complex, multi-supplier environment.You’ll work closely with client teams, architects, developers and...

A cutting-edge technology startup in London is seeking a Founding Full Stack Engineer to lead the development of an AI-powered platform aimed at transforming consumer decisions. The role requires a strong background in both frontend and backend systems with a focus on product development and learning. Competitive salary of up to £120,000 plus stock options....

Atos is seeking a Lead Full Stack Engineer to shape secure, AI-enabled, production-grade software for government and enterprise clients. You will write production code, own delivery, and set engineering standards while remaining hands-on.Eligibility to obtain SC clearance is required or can be demonstrated quickly; you will mentor teams, design complex...

Radley James is seeking an experienced Full Stack Engineer to build high-performance trading products, client portals and internal applications in a fast-moving environment.You will own features across the full stack, collaborating with engineering, product and trading teams to design scalable platforms, from backend services and real-time APIs to modern...

Fanatics is seeking a Software Engineer III (Full Stack) to lead the development of their web app, focusing on creating scalable, high-quality user experiences. Ideal candidates should have over 4 years of experience in modern JavaScript/TypeScript, particularly with React and Next.js. The role offers flexibility for remote work based in the UK, making it an...

iProov provides science-based biometric solutions that enable the world’s most security-conscious organizations to streamline secure remote onboarding and authentication for digital and physical access. Our award-winning liveness technology and iSOC offer unmatched resilience against deepfakes and generative AI threats while ensuring effortless, scalable...