1 to 25 of 108 React Jobs in the City of London

Senior .Net Engineer

Hiring Organisation
Stealth iT Consulting
Location
City of London, London, United Kingdom
practices. Must-Have Skills: Strong hands-on experience with ASP.NET Core and C# in a production environment Solid understanding of modern frontend frameworks like React, Angular, or Blazor/Razor Familiarity with cloud platforms such as Microsoft Azure or AWS Experience with CI/CD tools such as GitHub Actions ...

Lead Fullstack Software Engineer - .Net - React.JS - Azure

Hiring Organisation
TPXImpact Holdings Plc
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£70,000
About The Role Job Level: 10 UK Wide - We work in a hybrid-first way. This role includes regular travel to the London or Leeds offices (on average once per week), and were happy to ...

Founding Senior Full-Stack Engineer

Hiring Organisation
Barrington James
Location
City of London, London, United Kingdom
Looking For 3+ years of experience building full-stack applications in a production environment. Proven experience with modern front-end frameworks (e.g., React, Vue, Angular) and strong JavaScript/TypeScript skills. Solid backend experience with one or more languages/frameworks (e.g., Node.js, Python, Go, Java, Ruby). Experience designing ...

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 ...

Software Engineer

Hiring Organisation
Opus Enterprise Ltd T/A Real Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
years experience in software engineering and a solid understanding of the software development lifecycle (SDLC). Technical experience with OOAD, SOA, Java, J2EE, Spring, React.js, Node JS, Hibernate, SOAP/REST web services, Spring security, SpringBoot, and AMQP/RabbitMQ. Experience with application servers (Jboss/WebSphere). Experience ...

Lead 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 ...

Senior Full Stack Engineer (Golang/Typescript/Kubernetes)

Hiring Organisation
Safe Intelligence
Location
City of London, London, United Kingdom
Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Engineering on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and enhance our Kubernetes-based cloud platform to ensure high-availability, scalability, and cost-efficient ...

.Net Developer

Hiring Organisation
Wave Talent
Location
City of London, London, United Kingdom
focused role Nice to Have Experience with cloud platforms (Azure preferred; AWS also acceptable) Knowledge of Docker and containerised applications Frontend experience with Angular, React or Blazor CI/CD experience using Azure DevOps, GitHub Actions or similar Experience in financial services or other regulated environments ...

Software Engineer

Hiring Organisation
Cocentric
Location
City of London, London, United Kingdom
work well across disciplines Bonus: experience with identity systems (e.g. Microsoft Entra ID/Azure AD), SSO, or HRIS integration OUR TECH STACK Frontend: React, JavaScript Backend: C#, .Net, Azure Service Fabric, Kubernetes Infrastructure: Azure, Service Fabric, Cosmos DB WHY COCENTRIC Be a key part of a product that ...

Senior Software Engineer

Hiring Organisation
Harrington Starr
Location
City Of London, England, United Kingdom
Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer to join their growing team! This ...

Senior Software Engineer LLM

Hiring Organisation
Client Server
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
/CD practices and Cloud infrastructure (they use GCP but AWS experience is also fine) You have some experience with front end work using React (or similar) You're comfortable in a fast paced, sometimes ambiguous start-up environment with changing priorities You're collaborative and pragmatic with great communication ...

Senior Software Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£53.85 - £61.68 per hour
Vertex AI, Docker, and Kubernetes. Required Skills & Experience Strong proficiency in Python for AI/ML workflows . Strong proficiency in Angular (primary frontend); React optional. Hands-on experience with LangChain, LangGraph, and Indexify , with a deep understanding of RAG architectures . Expert-level SQL and experience with BigQuery ...

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 ...

Web Developer

Hiring Organisation
Reed
Location
City of London, London, England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £50,000 per annum, Inc benefits
work experience in web development. Proficiency in C#, Core, JavaScript, HTML, CSS, MVC, and JSON. Experience with UI binding frameworks such as Vue.js, AngularJS, React, or Knockout is beneficial. Strong understanding of the MVC pattern, REST APIs, and asp.net controllers. Knowledge of security practices, particularly those identified in OWASP ...

Head of Engineering

Hiring Organisation
NearTech Search
Location
City of London, London, United Kingdom
Lead and grow a 6‐person onshore/offshore engineering team • Set technical strategy and evolve a scalable, secure architecture. • Familia with Typescript, JavaScript & React full stack engineering environments. • Drive delivery quality with improvements across CI/CD, DevOps, testing and reviews • Partner with the CEO and Product to align ...

Senior Full Stack Software Engineer

Hiring Organisation
Wondercraft
Location
City of London, London, United Kingdom
stack engineer in a fast-growing product-led company (experience as a founding engineer or engineering lead is a plus) Strong proficiency in Python, React, TypeScript, Next.js, AWS, and Terraform Experience owning features end-to-end, from design through to production release A track record of delivering high-quality work ...

Senior Machine Learning Engineer (LLM)

Hiring Organisation
AdvisoryAI
Location
City of London, London, United Kingdom
rocket ship company. This is your chance to join early, build something that matters, and win big. 🧑🏻‍💻 Our Current Tech Infrastructure : Python 3.11+, FastAPI, React/TypeScript, AWS (Lambda, ECS, Bedrock, SageMaker), PostgreSQL + Qdrant, Redis, Docker, Kubernetes, GitHub Actions, Terraform Vector Search : Pinecone, pgvector, hybrid retrieval (dense + sparse ...

Software Engineer

Hiring Organisation
The Portfolio Group
Location
City of London, London, Cathedrals, United Kingdom
Employment Type
Permanent
Salary
£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 ...

Engineering Manager / Tech Lead (contract)

Hiring Organisation
Morgan Philips Group
Location
City of London, London, United Kingdom
Employment Type
Temporary
Salary
£650 - £800/day
membership platforms, subscriptions platforms and any other E-commerce platforms. Experience with managing third party vendors, good stakeholder management skills Coding languages such as React, JavaScript, AngularJS, .Net, C#, TypeScript, HTML, CSS, This will be initially a six-month day rate contract inside IR35 via umbrella company from our supplier ...

SC Cleared Microsoft Dynamics 365 Developer

Hiring Organisation
Data Careers
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
solutions integrated with Power Platform Knowledge of Power Platform governance and Center of Excellence practices Experience with PCF controls and modern web technologies (TypeScript, React) Understanding of Power Platform performance optimisation and profiling Experience with Azure integration services such as Service Bus, Event Grid, or API Management Personal Attributes Strong ...

Full Stack Engineer

Hiring Organisation
algo1
Location
City of London, London, United Kingdom
overall system design: service boundaries, data ownership, scaling, and observability Essential Qualifications: Built modern full-stack applications (Python/Java/Go + React) Worked with a variety of storage technologies (eg. Postgres, Mongo, Redis, Object) Experience with async and bi-directional communication protocols and patterns (eg. WebSockets, SSE) Designed ...

Senior Engineer

Hiring Organisation
permutable.ai
Location
City of London, London, United Kingdom
Pragmatic decision-maker who balances speed with robustness Bonus: exposure to LLM, Transformers or financial/market data products Tech We Work With Python, React, JavaScript AWS, Docker, Pulumi, Postgres Agile Transformer building, LLMs, time-series models Real-time data pipelines & scalable APIs Why Join Permutable? A wide network ...