1 to 25 of 75 React Jobs in the City of London

Senior Fullstack Developer

Hiring Organisation
Tiro Partners
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85000 - £95000/annum bonus
systems What You Need 5+ years experience as a Software Engineer with strong Java/J2EE expertise (Java 8+, Spring, Hibernate) Frontend Angular experience (React may be considered) Cloud experience with microservices (AWS preferred) Docker and Kubernetes hands-on experience Fintech/regulated industry experience preferred Why Join? Java-focused ...

Senior Full Stack Software Developer

Hiring Organisation
Engineered Arts
Location
City of London, London, United Kingdom
experienced developers, designers, long-term customers and a mature yet fast-moving codebase. Qualifications, Knowledge, Key Skills and Experience Essential: Experience with TypeScript and React for building dynamic, responsive front-end applications. Back-end development experience in Python , particularly with frameworks like Django or Flask, or equivalent experience in other ...

C#/.NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£46000 - £70000/annum pension, health care, perks
client stakeholders. Key Responsibilities Design and build applications using ASP.NET Core, C# and modern JavaScript frameworks Develop responsive, accessible front-end interfaces using React, Angular or Blazor/Razor Contribute to cloud-native architectures on AWS or Azure Implement modern DevOps practices including CI/CD pipelines and automated testing ...

GenAI Full Stack Engineer - Consultant / Senior Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
experience: 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 or JavaScript ...

Senior Software Engineer

Hiring Organisation
Ontik
Location
City of London, London, United Kingdom
drive projects forward Proficiency in full-stack development using any object oriented language (we use .NET) and any modern javascript framework (we use React) Experience working with databases (SQL and NoSQL), APIs, and web technologies. Experience with cloud platforms (AWS, GCP, Azure) Solid understanding of software engineering principles, including clean ...

.NET Developer, CMS, Sitecore, EpiServer, Umbraco

Hiring Organisation
Noir
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £75,000 per annum
Sitecore, Optimizely, Umbraco, Alterian, Immediacy, Ektron, Kentico, Sitefinity or dotnetnuke. Our client can provide you with industry recognised training in: .NET 10.0, JavaScript, React, Angular 21, Microservices, MongoDB, Vue.js, TypeScript, Azure, AWS, ASP.NET Core Web API, Entity Framework, Node.js, Elasticsearch, Agile, TDD, BDD, Scrum, Kanban and MongoDB. This ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
experience: 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 or JavaScript ...

Generative AI Consultant

Hiring Organisation
83zero Ltd
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 45,000 - 70,000 Annual
experience: 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 or JavaScript ...

Solutions Engineer

Hiring Organisation
Anson McCade
Location
City of London, London, United Kingdom
engagement, and advisory skills. Desirable Experience with Generative AI, LLMs, RAG, LangChain, or Semantic Kernel. Familiarity with Microsoft Power Platform. Front-end experience with React, Angular, Vue.js, Flutter, or Progressive Web Apps. Exposure to edge computing, VR/AR, or robotics. What You’ll Bring Curiosity and passion for emerging ...

Full Stack Engineer Java JavaScript - HealthTech

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
days. About you: You have strong Java backend software development skills including Spring Boot You also have front end experience with JavaScript, Angular or React You have experience with relational databases and SQL query writing You have a strong understanding of REST APIs, real-time systems, CI/ ...

Full Stack Engineer

Hiring Organisation
Fortice
Location
City of London, London, United Kingdom
public sector Cloud experience (AWS, Azure, or GCP) Strong experience with Java or Python Front-end experience using modern JavaScript frameworks (e.g. React, Angular, Vue) Familiarity with RESTful APIs, databases, and version control Experience working in agile delivery environments Desirable DevOps or CI/CD exposure Experience working ...

Backend Engineer

Hiring Organisation
algo1
Location
City of London, London, United Kingdom
tools such as CoPilot or Cursor a collaborator and accelerator of development. Nice to Have: Experience in frontend development (eg. Javascript, Typescript, React.js) Worked with real-time data collection and/or processing Worked in an IoT or Edge-oriented architectures Experience or knowledge in retail POS, inventory, or loyalty ...

CRO Engineer

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
selves to work. The must haves: 5+ years of developing A/B/MVT optimisation experience campaigns Front end development experience in either REACT or Angular framework Proficiency knowledge in JavaScript, jQuery, Vanilla JS, CSS and HTML A passion for great online experience and an understanding ...

Software Engineer, Frontend

Hiring Organisation
Travelex
Location
City of London, London, United Kingdom
accessibility Skills, knowledge, and experience Must have: 3+ years of experience in frontend development, building dynamic and responsive web applications Demonstrated fluency with TypeScript, React and frameworks such as NextJS Familiarity with state management libraries (Zustand, Redux, MobX etc.) Experience working with GraphQL/REST APIs Knowledge ...

Software Engineer (Backend, AI Systems)

Hiring Organisation
Locai Labs
Location
City of London, London, United Kingdom
event-driven or real-time systems (Kafka, Pub/Sub, etc.) Knowledge of API authentication, access control, or multi-tenant architectures Familiarity with React or other front-end frameworks (for internal tools) Interest in applied AI research, model fine-tuning, or reasoning agents Environment and Culture You will join ...

Full Stack Engineer

Hiring Organisation
Alexander Ash Consulting
Location
City of London, London, United Kingdom
programming skills and understanding of backend fundamentals (APIs, data handling, business logic) Front-end development experience using modern web technologies (e.g. JavaScript, HTML, CSS, React or similar) Practical awareness of UX/UI principles, including usability, layout, and user flow design Ability to take ownership of features while collaborating effectively ...

DevOps Engineer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £478/day
tools and processes that enable rapid development and high-quality software development. Tech Stack Required: Kafka Java docker Spring (framework boot, Data) K8 Helm React Typescript/JavaScript Postgres Open Search/ElasticSearch Playwright Wiremock Grafana Prometheus Dynatrace Git NodeJS Rest API All profiles will be reviewed against the required ...

Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, Cathedrals, United Kingdom
Employment Type
Permanent
Salary
£35000 - £55000/annum
Node Exposure of Laravel and/or Python (Django or Flask a plus) Familiarity with Drupal and some knowledge of modern front-end frameworks (React, Vue, etc.) What You'll Do: Build scalable applications using modern frameworks and clean architecture Contribute to backend services and APIs (Python or Laravel-based ...

Lead Java Engineer

Hiring Organisation
ARM
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £650/day Inside IR35 (Negotiable rate)
development in Java, SQL, Search Technologies, Messaging Technologies with a good understanding of Kubernetes, Dockers and preferably some exposure to GCP (Google Cloud Platform), ReactJS, Python, Big Data Technologies like Spark, Beam Excellent personal organisation, completer/finisher, consensus builder with excellent communication skills and able to lead global development ...

Frontend Developer

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
Friday (37.5 hours) The must haves: 5+ years of developing A/B/MVT optimisation experience campaigns Front end development experience in either REACT or Angular framework Proficiency knowledge in JavaScript, jQuery, Vanilla JS, CSS and HTML A passion for great online experience and an understanding ...

Java Software Engineer (SC Cleared)

Hiring Organisation
Sanderson Government & Defence
Location
City of London, London, United Kingdom
innovation, and tactical upskilling across emerging technologies. Key Skills & Experience Strong commercial experience with Spring Boot and Java Enterprise development. Front-end proficiency with React , Vue.js , or AngularJS . Experience with modern testing frameworks and TDD. Ability to work across UI, API, and data layers. Technically curious and willing ...

Full Stack Engineer - Play a pivotal role in a scaling company and reap the rewards of having a stake in the business

Hiring Organisation
Connecting Education
Location
City of London, London, United Kingdom
impatient for progress, then we're the place you'll thriveRegular Mario Kart action! To be successful, you will...Have experience with React/NodeJSHave expertise in Typescript/JavaScript, with proven experience in development role(s)Have exceptional problem-solving abilities, proven in diagnosing and fixing complex technical issuesHave excellent ...

Solutions Architect - AWS / Python / Lead

Hiring Organisation
Oscar Associates (UK) Limited
Location
City of London, London, United Kingdom
Employment Type
Permanent
Implement and maintain secure, scalable cloud environments Stay hands-on across the full stack, contributing to development of system built in Python, TypeScript, Node.js, React, and Postgres/NoSQL Essential Experience: 5+ years experience in Cloud Architecture & DevOps Experience designing and implementing secure systems Leadership experience Desirable Skills: Exposure ...

Senior Software Engineer (Full-stack)

Hiring Organisation
Primis
Location
City of London, London, United Kingdom
genuine enthusiasm to learn) Collaboration style - You work well with others but are equally effective independently Nice to Have: Experience with modern frontend frameworks (React, etc) Background in API development or distributed systems For more information, please apply! *Please note that this role will not be able to provide sponsorship ...

Founding (Senior) Software Engineer

Hiring Organisation
Klyk
Location
City of London, London, United Kingdom
fast-moving, unstructured environments. Nice-to-haves (none required) Experience in SaaS platforms, IT systems, automation, or cybersecurity. Familiarity with frameworks such as React/Next.js, Node.js, TypeScript. Experience in device lifecycle management or IT support. 💚 Why Join Klyk? 🌱 Purpose-driven work Make a measurable impact on reducing e-waste ...