101 to 125 of 833 React Jobs in London

Senior Full Stack Engineer

Location
Greater London, England, United Kingdom
principles (SOLID, DRY, ER modelling) Professional experience with a server‐side language, ideally JVM based Professional experience building web‐based single page applications, using React/Typescript or an equivalent Knowledge of front‐end development, able to build rich user interfaces following a responsive design HTML/CSS experience, including ...

Senior Forward Deployed Engineer

Location
Greater London, England, United Kingdom
roles. Proven success building and deploying AI/ML or data‐intensive applications in production. Deep full‐stack development skills (Python, Node.js/Go, React/Vue) and DevOps experience (Docker, K8s, CI/CD). Expertise in building data pipelines and integrating with enterprise systems (REST, Python, SQL, GraphQL ...

Senior Scala Developer

Hiring Organisation
Netcompany
Location
London, UK
Employment Type
Full-time
product to our clients? We work with a wide range of different technologies including Scala, .Net, C #, Java, Salesforce, SharePoint, Dynamics CRM, Sitecore, ReactJS, Angular, Docker, Azure, Azure DevOps and Octopus. We always use the most suitable, and preferably the latest, technology for each project, giving you the opportunity ...

Product Engineer - Full Stack

Location
London, United Kingdom
will build and maintain backend services and APIs using Python frameworks such as Django or FastAPI, while also developing modern, responsive frontend experiences using React and TypeScript. You'll take ownership of features from design through to deployment and iteration, ensuring that your work delivers real value to end users. ...

Product Engineer - Full Stack

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
will build and maintain backend services and APIs using Python frameworks such as Django or FastAPI, while also developing modern, responsive frontend experiences using React and TypeScript. You'll take ownership of features from design through to deployment and iteration, ensuring that your work delivers real value to end users. ...

Senior Lead Software Engineer - CDAO Data Platforms

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
design and functionality problems independently with little to no oversightPractical cloud native experiencePreferred qualifications, capabilities, and skills Experience building UI and UX solutions with React Knowledge of Scala Domain Specific Language design and interpretation Knowledeg of domain driven design Knowledge of SQL/No-SQL databases J.P. Morgan ...

Senior Software Engineer (GoLang)

Location
Greater London, England, United Kingdom
plus) A good understanding of development methodologies and design patterns C# ASP.NET, .Net Core also a plus but not necessary Cloudflare Experience with React, Typescript, Astro and NodeJS are definitely a plus. You don't need to tick off everything on this list - so don't let that hold ...

Intermediate/Senior DevOps

Hiring Organisation
Global Relay
Location
London, UK
Employment Type
Full-time
Jenkins, SonarQube, Artifactory, Bitbucket, Maven, Xcode Build, HelmInstrumentation and monitoring: Loki, Prometheus, Grafana, Mimir, Tempo TracingLanguages and frameworks: Bash, Java or Kotlin, Groovy, Python, ReactJS, SwiftWhere you have knowledge gaps, training and mentoring will be provided. About you: You have an automation-first mindset. You enjoy sharing your knowledge ...

Senior Lead Software Engineer - CDAO Data Platforms

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
functionality problems independently with little to no oversight Practical cloud native experience Preferred qualifications, capabilities, and skills Experience building UI and UX solutions with React Knowledge of Scala Domain Specific Language design and interpretation Knowledeg of domain driven design Knowledge of SQL/No-SQL databases ABOUT US J.P. Morgan ...

Senior Lead Software Engineer - CDAO Data Platforms

Location
Westminster, West End, United Kingdom
functionality problems independently with little to no oversight Practical cloud native experience Preferred qualifications, capabilities, and skills Experience building UI and UX solutions with React Knowledge of Scala Domain Specific Language design and interpretation Knowledeg of domain driven design Knowledge of SQL/No-SQL databases ABOUT US J.P. Morgan ...

Lead Software Engineer - Python / Java

Location
Greater London, England, United Kingdom
understanding of how system issues can impact quoting, booking, and hedging Preferred Qualifications, Capabilities, and Skills: Formal training or certification in software engineering concepts React experience J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world’s most prominent corporations, governments, wealthy individuals ...

Principal Software Engineer - Java - Global Technology Asset Management

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
Computer Engineering, Mathematics, or a related technical fieldPreferred qualifications, capabilities, and skillsKnowledge and experience with PythonKnowledge and experience with frontend technologies (e.g. Typescript/React)J.P. Morgan is a global leader in financial services, providing strategic advice and products to the world's most prominent corporations, governments, wealthy individuals ...

Senior Engineer - Payments

Location
Greater London, England, United Kingdom
client-facing web applications. Backend Expertise: Deep hands-on experience with Python , FastAPI , PostgreSQL , Redis , and secure RESTful APIs. Frontend Proficiency: Mastery of TypeScript , React , Jest , and Storybook . (Experience with Micro-Frontends is a massive bonus). DevOps & Cloud: Comfort with AWS , Docker , Kubernetes , and Terraform for Infrastructure ...

Polyglot Engineer (JS/Python/Go)

Location
Greater London, England, United Kingdom
with the ability to rapidly learn new languages; Experience with modern frameworks across the stack (FastAPI, Gin, Express, etc.); Production experience with React, modern build tools, state management, responsive design, and accessibility standards; Comprehensive testing experience (unit, integration, E2E, security) and performance optimization; Scalable system design patterns, load balancing ...

Software Engineer – Ads & Commercial Development

Location
Greater London, England, United Kingdom
backend services and build tooling. Low-Level DOM Manipulation: Proven experience working directly with the DOM and Browser APIs without relying on abstraction frameworks (React, Vue, etc.). DevOps & Infrastructure: Solid hands-on experience with Docker containers, Kubernetes (K8s) , and building robust CI/CD pipelines . Software Engineering Fundamentals ...

Senior Engineer - Payments

Hiring Organisation
ebury
Location
London, UK
Employment Type
Full-time
client-facing web applications. Backend Expertise: Deep hands-on experience with Python, FastAPI, PostgreSQL, Redis, and secure RESTful APIs. Frontend Proficiency: Mastery of TypeScript, React, Jest, and Storybook. (Experience with Micro-Frontends is a massive bonus).DevOps & Cloud: Comfort with AWS, Docker, Kubernetes, and Terraform for Infrastructure as Code. Engineering ...

Lead Software Engineer - JAVA - Equities - Vice President

Hiring Organisation
JP Morgan Chase
Location
London, UK
Employment Type
Full-time
engineering concepts and 3+ years applied experience. Experience with Java/JVM and the Java/JVM ecosystem, Spring boot frameworkExperience of TypeScript/React developmentDemonstrated experience leading effective use of approved AI-assisted software development tools (e.g., for coding, code review, test acceleration, troubleshooting) with the ability ...

Software Engineering Manager - SAP Decoupling

Location
City of Westminster, England, United Kingdom
priorities with technical requirements and drive pragmatic outcomes. Tech Stack The teams use a variety of technologies, including: Java, Spring, Spring Boot and Micronaut React, Next.js, TypeScript and Angular Azure Cloud, Kubernetes and Dynatrace SQL Server and MongoDB Ignite and Redis Additional technologies for this programme are expected to include ...

Senior Software Engineer - Agentic Workflows

Hiring Organisation
Causaly
Location
London, UK
Employment Type
Full-time
built around models rather than a modelling role. No model training, fine-tuning or publication record is expected. Frontend specialism. You will work in React, but the role is weighted towards backend and platform and we are not looking for a frontend specialist. Technology StackThe list below is indicative ...

Senior Software Engineer I (JavaScript))

Hiring Organisation
Elsevier
Location
London, UK
Employment Type
Full-time
design, write, test, and improve software. About the role: We are seeking a talented and self-motivated Frontend Software Engineer with strong skills in React and Node.js and a collaborative mindset. You will work as part of a cross-functional product development team building modern web applications used by millions ...

Forward Deployed Engineer - AI Agents

Location
Greater London, England, United Kingdom
track record of shipping production-grade systems and strong architecture, testing, and engineering rigour. Genuine full-stack expertise across Python, C#, TypeScript/React, advanced SQL, and complex data modelling, working with both structured and unstructured data. Proven applied AI/LLM experience, shipping production solutions using RAG, embeddings/ ...

Software Architect

Location
Greater London, England, United Kingdom
Django on a service‐oriented architecture deployed at scale on Kubernetes. The rest of the tech stack includes Django REST Framework, FastAPI, PostgreSQL, AWS, React.js, Docker, Redis, Celery, Pandas, NumPy, Git, Jenkins, and Elasticsearch. We put significant emphasis on design patterns, code readability, automated testing, maintainability, and extensibility. As Software ...

Python/React Developer

Hiring Organisation
Mphasis
Location
London Area, United Kingdom
looking for an experienced Full Stack Developer with strong expertise in Python and React.js to design, develop, and maintain scalable web applications. The ideal candidate should have hands-on experience building microservices, REST APIs, cloud-native applications, and modern frontend solutions. Key Responsibilities Design, develop, and maintain web applications using … Python Experience with FastAPI , Flask , or Django REST API and Microservices development Object-Oriented Programming (OOP) SQL and database design Frontend Strong knowledge of React.js JavaScript (ES6+), TypeScript HTML5, CSS3 Redux, React Hooks Responsive UI development Databases PostgreSQL, MySQL, SQL Server MongoDB (preferred) Cloud & DevOps AWS, Azure, or GCP Docker ...

React Developer

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
working with a well-funded startup who are hunting for a React Developer to join their team near Liverpool Street. They're at an exciting time right now as they're popular in the UK market but would eventually like to be a global brand. To do this they … scalable. They have an engineering team of around 40 currently which is split down into agile squads. In the squads you'll find a React Developer, Back End Developer, Tech Lead, Designer, and Product Manager. Some key considerations: Produce tested, clean, scalable codeCollab with x-functional teamsRotate teams ...

.net Core Developer - Fintech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Agile Scrum activities Software Developer must have: At least 2 years experience in software development C# ASP.Net/.Net Core/MVC Angular/React/Blazor SPA Advance SQL Git/Bitbucket Experience with CI/CD/Azure DevOps The Culture of the firm is startup esc with ...