1 to 25 of 830 React Jobs in London

Staff Frontend Engineer

Location
Greater London, England, United Kingdom
Staff Frontend Engineer Shape frontend architecture and platform direction across React, React Native and our Nx monorepo, making product teams faster and raising quality at scale. Our mission is to enable everyone to build wealth We reinvent how trading and investing work by creating exceptional products people love. That takes … assets under management. At that scale, frontend architecture, performance and product quality have material business consequences. Our frontend platform spans web and mobile: TypeScript, React, React Native and React Native Web in an Nx and pnpm monorepo, with TanStack Query, Zustand, Playwright, Detox and Jest. Around 95% of our code ...

Front-End Developer (React and React Native)

Hiring Organisation
Foresters Financial
Location
Bromley, London, United Kingdom
Employment Type
Contract, Work From Home
Front-End Developer (React and React Native) Competitive salary Bromley, Kent Fixed Term Contract Full-Time Were looking for an experienced Frontend Developer (React & React Native) to join our Digital Solutions team on a 12-month fixed-term contract. In this hands-on role, youll play a key part … involved across the full development lifecycle from collaborating with the business to understand customer needs, through design and build, to testing and release. Strong React and React Native expertise, a passion for clean, scalable front-end development, and a customer-first mindset will be critical to your success. What ...

Front-End Developer (React and React Native)

Hiring Organisation
Foresters Financial
Location
Bromley, Kent, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Front-End Developer (React and React Native) Competitive salary Bromley, Kent Fixed Term Contract Full-Time We’re looking for an experienced Frontend Developer (React & React Native) to join our Digital Solutions team on a 12-month fixed-term contract. In this hands-on role, you’ll play … involved across the full development lifecycle from collaborating with the business to understand customer needs, through design and build, to testing and release. Strong React and React Native expertise, a passion for clean, scalable front-end development, and a customer-first mindset will be critical to your success. What ...

Staff Engineer

Location
Greater London, England, United Kingdom
Staff Engineer specialising in front-end and mobile, who's excited to forge a new way to save! You set the technical bar for React and React Native across a tribe of squads, drive cross-team initiatives, and act as a force multiplier - coaching engineers, shaping architecture, and representing Flagstone … horizontal engineering initiatives across the tribe; author and shepherd RFCs from proposal to adoption. Solution Delivery: Contribute directly to building and maintaining high-quality React and React Native systems while supporting and unblocking other engineers. Architecture & Design: Own cross‐platform architecture decisions for web and mobile (React, React Native, TypeScript ...

Full-Stack Engineer

Hiring Organisation
Wheely
Location
London, UK
Employment Type
Full-time
help build it. ResponsibilitiesWork on privacy-focused systems and architecture that keep users' location data inaccessible — even to us. Work across the stack using React, TypeScript, and Node.js or Golang to deliver high-quality solutions. Collaborate closely with Product Managers, Designers, and Software Engineers to shape technical solutions from concept … Full-Stack or Frontend Engineer with backend experience. Commercial experience with Node.js. Golang is nice to have. Strong frontend development experience with TypeScript, React, React Query, Redux or alternative state management libraries (e.g. MobX).Solid understanding of HTML, CSS, JavaScript, and modern browser APIs. Familiarity with modern frontend tooling (Vite ...

Senior Full-Stack Engineer

Location
Greater London, England, United Kingdom
wants to grow their range across web and mobile and all the technologies that support them. Our Tech Stack Web: Next.js, TypeScript, Zustand, SCSS, React Testing Library, Storybook Mobile: React Native, TypeScript, React Navigation, React Hook Form, Reanimated, Firebase, Braintree Backend: .NET API (OpenAPI/Swagger) Testing & CI/… Jest, React Testing Library, Azure DevOps, CodePush Environment/Platform: Azure Cloud, templated infrastructure Key Responsibilities Development and maintenance of several customer-facing products, including websites and mobile apps written with Next.js and React Native. Integration of our REST APIs using typed, code-generated (OpenAPI/Swagger) clients. Contribute ...

Senior Frontend Engineer (React/React Native)

Location
Greater London, England, United Kingdom
Senior Frontend Engineer (React/React Native) Office: London About the company Emma is the app to manage all things money. Our mission is to empower millions of people to live a better and more fulfilling financial life. Emma was founded by engineers, who are extremely focused on coding, product … plethora of new features and integrations, which you will be part of. Our tech stack: Languages: TypeScript, Javascript Libraries and frameworks: gRPC, Redux, React Native, React, Next.js Datastores: Vitess, MySQL, CockroachDB, BigQuery, Redis Infrastructure: Google Cloud Platform, Kubernetes, Docker, PubSub, Terraform Monitoring: Grafana, Prometheus, Sentry, Metabase About ...

Fullstack Developer (DV Cleared)

Hiring Organisation
Experis
Location
London, United Kingdom
Employment Type
Permanent
Salary
£70,000
technologies. Strong programming skills in languages such as JavaScript/TypeScript, Java, C#, Python, or Node.js. Experience with front-end frameworks such as React, Angular, or Vue.js. Experience building and consuming RESTful APIs and microservices. Knowledge of software engineering best practices, including testing, CI/CD, and version control ...

Senior Software Developer

Hiring Organisation
Addition
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
will also have: Strong experience writing maintainable production code in Python and TypeScript. Proven experience building complex user interfaces and software integrations using React or similar technologies. Strong knowledge of JavaScript, HTML and CSS. A good understanding of programming concepts, data structures, algorithms and HTML DOM components. Experience working with ...

Software Engineer - QuantumBlack, AI by McKinsey

Hiring Organisation
McKinsey & Company
Location
London, UK
Employment Type
Full-time
with other developers, as well as technical and non-technical people within software teams Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL)Experience with LLM frameworks, prompt ...

Senior Software Engineer - QuantumBlack, AI by McKinsey

Hiring Organisation
McKinsey & Company
Location
London, UK
Employment Type
Full-time
strongly preferred Experience working collaboratively with technical and non-technical team members and stakeholders Hands-on experience and willingness to learn across frontend (TypeScript, React, Angular, Vue, Next.js, Tailwind), backend (Python, Node.js, Java/Spring, C#/.NET), and databases (SQL, NoSQL, vector databases, ETL)Experience with LLM frameworks, prompt ...

Software Project Manager

Hiring Organisation
PEN Group
Location
City of London, London, United Kingdom
software applications. Strong understanding of software architecture and software engineering principles. Experience with one or more modern technology stacks such as: JavaScript/TypeScript React/Next.js Node.js PHP/Laravel .NET Java Good understanding of APIs and system integrations. Experience working with relational databases such as PostgreSQL or MySQL. ...

AI Product Engineer – Kings Cross, London

Location
Greater London, England, United Kingdom
organisation. Skills & Experience Strong software engineering skills across front-end, back-end and data-driven product development. Strong experience developing modern web interfaces using React, TypeScript, JavaScript, HTML and CSS. Experience using component libraries and design systems such as Material UI to build consistent and accessible user interfaces. Experience building ...

Senior Engineering Manager Software engineering London

Location
Greater London, England, United Kingdom
proactive problem-solving skills. Technologies we work with Back end (primary): .NET/C#, REST APIs, event-driven and microservice architectures. Front end: React, TypeScript. Machine learning: Python, model training and serving, and the infrastructure to run models in production. Data & platform: SQL, plus experience designing batch and stream data ...

GenAI Full Stack Engineer - Consultant / Senior Consultant - Digital Excellence

Location
Greater London, England, United Kingdom
Technical Expertise*** **Backend Development**: Experience in building microservices using either Python with **FastAPI**, or TypeScript with **Express** or equivalent* **Frontend Development**: Experience in building React applications using TypeScript, leveraging frameworks such as **Next.js** or **Vite**.* **GenAI Frameworks**: Familiarity with tools like **LangChain**, **LangGraph**, **CrewAI**, or **Vercel AI** (in Python ...

Manager, Senior Platform Software Engineer

Hiring Organisation
Baringa
Location
London, UK
Employment Type
Full-time
technologies (e.g. AWS, Azure) and Infrastructure as Code (e.g. Terraform, Pulumi) You have worked across the technology stack with experience of established frameworks (e.g. React/Angular/Vue/Blazor frontends and/or FastAPI/Spring Boot/.NET backends) You have experience building and supporting different architectural ...

Full Stack GCP Engineer

Hiring Organisation
Consortia
Location
London, UK
Employment Type
Full-time
DoingDeveloping, deploying and maintaining scalable backend services and APIs on Google Cloud Platform (GCP)Building and enhancing user-facing applications across web (React) and mobile (React Native)Designing and optimising automated data pipelines using Cloud Functions, Cloud Run and Cloud ComposerImproving system performance, reliability and security across a cloud-native … software engineering background. Essential experience includes: Hands-on experience with Google Cloud Platform (GCP)Strong programming skills in at least one of: Python, JavaScript, React, React Native or SQLExperience building and deploying cloud-based applications (GCP preferred)Experience working with large or complex datasetsFamiliarity with modern DevOps practices including ...

Senior Software Engineer

Hiring Organisation
IBEX RECRUITMENT LTD
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
teams, stakeholders and other engineers Technical Environment You'll work across a modern engineering stack including: C#/.NET/.NET Core TypeScript & JavaScript React Python Node.js REST APIs & Microservices SQL & NoSQL databases Docker & Kubernetes CI/CD pipelines Highly Desirable Experience We're particularly interested in engineers who have ...

Senior Software Engineer C# Python AI

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Patterns and are comfortable with system design You understand what makes a good frontend and how to ensure connectivity between front and backend systems, React or Angular skills preferred You have a good understanding of cloud native architectures (Azure/AWS), event driven systems, microservices, CI/CD, Terraform, Kubernetes ...

Sr Software Engineer

Hiring Organisation
Wellington Management
Location
London, UK
Employment Type
Full-time
Jest, Java, Python or related technologies5+ years of demonstrated experience designing and developing web applications using HTML5, CSS and modern UI frameworks such as React or AngularExperience with, and a demonstrated understanding of, modern software development and testing methodologies such as Artifactory, GIT, and Jenkins CIExperience developing applications with ...

Senior Full Stack/Native Cloud Engineer (Vice President)

Hiring Organisation
Jefferies Financial Group
Location
London, UK
Employment Type
Full-time
REST, OpenAPI, GraphQL, and gRPC. Practical experience with relational and NoSQL data platforms, including PostgreSQL, MongoDB, and Redshift. Frontend development experience using Angular or React, with a focus on reliable, maintainable, and responsive UI delivery. Strong understanding of software engineering best practices, including automated testing, clean code, code reviews ...

Senior SRE

Hiring Organisation
Pigment
Location
London, UK
Employment Type
Full-time
workflow automation platformOthers: ArgoCD, Istio, Vault, Github, Docker (for local development)Backend: Microservices written in C# ASP.NET Core 8 (running exclusively on Linux) & GolangFrontend: React + Typescript, Jest, Cypress, Vite...Who you areMore than knowledge of a specific cloud provider, language, or automation framework, we are looking for great engineering skills ...

Senior Engineering Manager

Hiring Organisation
Checkout.com
Location
London, UK
Employment Type
Full-time
management and proactive problem-solving skills. Technologies we work withBack end (primary): .NET/C#, REST APIs, event-driven and microservice architectures. Front end: React, TypeScript. Machine learning: Python, model training and serving, and the infrastructure to run models in production. Data & platform: SQL, plus experience designing batch and stream ...

Backend Software Engineer Python C# AI

Hiring Organisation
Client Server
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Patterns and are comfortable with system design You understand what makes a good frontend and how to ensure connectivity between front and backend systems, React or Angular skills preferred You have a good understanding of cloud native architectures (Azure/AWS), event driven systems, microservices, CI/CD, Terraform, Kubernetes ...

Principal Software Engineer

Location
Greater London, England, United Kingdom
Software Engineer with strong capability in one or more of the following: Backend development (Java Spring Boot, Maven, Python) Frontend development (JavaScript/TypeScript, React, npm) Proven experience designing, developing, and deploying scalable backend systems. Familiarity with DevOps, CI/CD and containerisation technologies (Jenkins, Kubernetes, Docker, AWS). Strong ...