full stack ruby engineer jobs in London

Confidential | Elite Global Hedge Fund | Central London, Mayfair Area4 days on-siteWe are seeking an exceptional Full Stack Software Engineer capable of engineering sophisticated, high-performance applications supporting investment decision-making, trading, portfolio management and risk.This is not a conventional full stack development position. Engineers...

Atos in the United Kingdom (Greater London) is seeking an experienced Designer / Lead Developer to join our Public Sector team. You will lead architecture, design and hands-on implementation for Ophthalmic system components, working independently and guiding a small development and testing team.The role requires expert Java, Spring, Hibernate, and CI/CD...

Job Description Join a team where your engineering decisions matter at scale. At JPMorganChase, we build production-grade software that powers critical Global Banking businesses — and we're looking for engineers who take ownership, raise the bar, and grow fast. You'll work in a culture of strong code reviews, fast feedback, and scalable architecture, with...

Dex is seeking a skilled full-stack engineer to own features from database schema design in Postgres to Django-based back-end logic and lightweight HTMX front ends. You will also work with Terraform for infrastructure, delivering reliable data pipelines from contracts to structured data for AI agents.The role emphasizes building robust, maintainable systems...

GetGround, a UK proptech company, is hiring a hybrid London engineer to work across the stack, shaping AI-driven features for the property-investment lifecycle. You’ll collaborate with product, design, and other engineers to deliver real-world impact for investors and institutional clients.You’ll thrive in a fast-paced, high-quality team that values...

About Portal BiotechPortal Biotech has built the world's only platform capable of sequencing full-length proteins at the single-molecule level. Using our nanopore technology, we read intact proteins of any size, capturing both sequence and post-translational modifications in a way no other system can. This opens up entirely new ways to understand protein...

We're putting together a talented team to build the #1 training platform for Runners We help everyday runners become outstanding by building an incredible app providing world-class training, coaching and community for everyone, whether you're improving your 5k time or training for your first marathon. We’re growing extremely fast! In November 2023 we...

Jacobi in the United Kingdom is seeking an experienced Full-Stack Software Engineer to contribute to the evolution of Jacobi’s platform, delivering robust, scalable Java-based services and modern web interfaces.You will work with a globally distributed engineering team, take meaningful ownership, participate in architectural decisions and collaborate with...

Oritain is a global leader in forensic origin verification, based in London. We seek an Experienced Product Engineer to design and deliver customer-facing applications and APIs, spanning backend services and modern front-end experiences in a cloud-native Azure environment.You will collaborate with cross-functional teams to deliver features end-to-end, taking...

LA International is recruiting a Full Stack Developer to support a major Public Sector technology programme in London. You will design and deliver cloud-native solutions using Azure, Vue.js and C#/.NET across the full development lifecycle.The role requires strong Azure experience, REST API design, and frontend work with Vue.js/TypeScript. You will...

5 Days onsite (London) must.Someone with 15+ years of industry experience , preferable 5+ years in banking , trade management.Understanding of Vanilla products ( Macro, Credit, Securitisation). Experience of working with HTML5, Angular, REACT, NPM, Java Spring Boot, Post Gres/Cloud SQL. Understanding of containerised deployment – Kubernetes, ECS on...

Salt Search is expanding its London engineering team and seeking a talented Full Stack Software Engineer to build and scale their cloud-native AI platform, applying Go, Python, React and TypeScript to real-time video and sensor data.You will own features end-to-end, design scalable APIs, contribute to distributed systems, and collaborate with product and ML...

Help shape how AI is built, deployed, and scaled across JPMorganChase. You will work on business-critical products that apply modern machine learning to software, cybersecurity, and technology infrastructure. You will partner with engineers and research teams to take ideas from prototype to production. If you enjoy solving complex problems and building...

A leading AI production studio in Greater London is seeking a Full Stack Engineer to develop innovative applications and systems for digital characters. The role requires 5+ years of full stack experience, working collaboratively in a fast-paced environment, and offering real ownership over projects. You’ll be involved in building prototypes and...

Millennium is seeking a highly skilled software engineer to design, build, and support the Meteorite Web platform. You will work closely with Product Managers and stakeholders to translate requirements into robust technical solutions and deliver end-to-end features that power intraday positions, P&L, and risk data.You will develop backend services in Java...

Are you passionate about building secure, scalable software and cloud infrastructure that supports critical services in production? Do you enjoy collaborating across teams, improving engineering practices, and helping others grow while delivering high-quality solutions? About Our Team Working within Information Security & Data Protection division, the...

Corgi Insurance Inc. in London is hiring a Full Stack Software Engineer to build systems powering our insurance operations and internal tooling. You will design backend services, APIs, and scale existing platforms, working across the stack with Python, TypeScript, Django, and AWS.You’ll collaborate with product and leadership to deliver features quickly,...

Bond Williams is recruiting a Full-Stack Software Engineer for a biotech in West London to build a cloud-based data analysis platform that will accelerate scientific discovery. You will join a small, talented team using AI-assisted tools to speed development and productivity.The ideal candidate will own crucial components, deliver data workflows, contribute...

RemoteStar is hiring a Senior Full Stack Engineer (AI enablement) for Lifecycle. You will own AI-powered tooling, work across the Java backend and frontend, and ensure safe integration with Jira, Confluence, and GitLab. The role focuses on delivering robust software with strong testing and ownership from design to production.You will collaborate with...

Wayve in London is seeking a hands-on Full-Stack Software Engineer to join the Model Development Platform. You will design, build, and operate the applications and services that support the development and testing of autonomous driving models.You will work across the full technology stack, own significant technical areas, mentor others, and contribute to...